diff --git a/.noir-sync-commit b/.noir-sync-commit index 9bbde85e56b..0421ede08e4 100644 --- a/.noir-sync-commit +++ b/.noir-sync-commit @@ -1 +1 @@ -68c32b4ffd9b069fe4b119327dbf4018c17ab9d4 +e9d3ccf5bae50241d8183ba5972dce62fbd700a4 diff --git a/noir/noir-repo/.github/workflows/formatting.yml b/noir/noir-repo/.github/workflows/formatting.yml index 08c02af519f..ab92d452c79 100644 --- a/noir/noir-repo/.github/workflows/formatting.yml +++ b/noir/noir-repo/.github/workflows/formatting.yml @@ -15,18 +15,11 @@ concurrency: jobs: clippy: name: cargo clippy - runs-on: ${{ matrix.runner }} + runs-on: ubuntu-latest timeout-minutes: 30 env: RUSTFLAGS: -Dwarnings - strategy: - fail-fast: false - matrix: - include: - - runner: ubuntu-latest - target: x86_64-unknown-linux-gnu - steps: - name: Checkout uses: actions/checkout@v4 @@ -34,18 +27,41 @@ jobs: - name: Setup toolchain uses: dtolnay/rust-toolchain@1.74.1 with: - targets: ${{ matrix.target }} + targets: x86_64-unknown-linux-gnu components: clippy, rustfmt - uses: Swatinem/rust-cache@v2 with: - key: ${{ matrix.target }} + key: x86_64-unknown-linux-gnu cache-on-failure: true save-if: ${{ github.event_name != 'merge_group' }} - name: Run `cargo clippy` run: cargo clippy --all-targets --workspace --locked --release + rustfmt: + name: cargo fmt + runs-on: ubuntu-latest + timeout-minutes: 30 + env: + RUSTFLAGS: -Dwarnings + + steps: + - name: Checkout + uses: actions/checkout@v4 + + - name: Setup toolchain + uses: dtolnay/rust-toolchain@1.74.1 + with: + targets: x86_64-unknown-linux-gnu + components: clippy, rustfmt + + - uses: Swatinem/rust-cache@v2 + with: + key: x86_64-unknown-linux-gnu + cache-on-failure: true + save-if: ${{ github.event_name != 'merge_group' }} + - name: Run `cargo fmt` run: cargo fmt --all --check @@ -88,7 +104,6 @@ jobs: run: | mkdir dist cp ./target/release/nargo ./dist/nargo - 7z a -ttar -so -an ./dist/* | 7z a -si ./nargo-x86_64-unknown-linux-gnu.tar.gz - name: Upload artifact uses: actions/upload-artifact@v4 diff --git a/noir/noir-repo/.github/workflows/gates_report.yml b/noir/noir-repo/.github/workflows/gates_report.yml deleted file mode 100644 index 0b0a527b69e..00000000000 --- a/noir/noir-repo/.github/workflows/gates_report.yml +++ /dev/null @@ -1,94 +0,0 @@ -name: Report gates diff - -on: - push: - branches: - - master - pull_request: - -jobs: - build-nargo: - runs-on: ubuntu-latest - strategy: - matrix: - target: [x86_64-unknown-linux-gnu] - - steps: - - name: Checkout Noir repo - uses: actions/checkout@v4 - - - name: Setup toolchain - uses: dtolnay/rust-toolchain@1.74.1 - - - uses: Swatinem/rust-cache@v2 - with: - key: ${{ matrix.target }} - cache-on-failure: true - save-if: ${{ github.event_name != 'merge_group' }} - - - name: Build Nargo - run: cargo build --package nargo_cli --release - - - name: Package artifacts - run: | - mkdir dist - cp ./target/release/nargo ./dist/nargo - 7z a -ttar -so -an ./dist/* | 7z a -si ./nargo-x86_64-unknown-linux-gnu.tar.gz - - - name: Upload artifact - uses: actions/upload-artifact@v4 - with: - name: nargo - path: ./dist/* - retention-days: 3 - - - compare_gates_reports: - needs: [build-nargo] - runs-on: ubuntu-latest - permissions: - pull-requests: write - - steps: - - uses: actions/checkout@v4 - - - name: Install `bb` - run: | - ./scripts/install_bb.sh - echo "$HOME/.bb/" >> $GITHUB_PATH - - - name: Download nargo binary - uses: actions/download-artifact@v4 - with: - name: nargo - path: ./nargo - - - name: Set nargo on PATH - run: | - nargo_binary="${{ github.workspace }}/nargo/nargo" - chmod +x $nargo_binary - echo "$(dirname $nargo_binary)" >> $GITHUB_PATH - export PATH="$PATH:$(dirname $nargo_binary)" - nargo -V - - - name: Generate gates report - working-directory: ./test_programs - run: | - ./rebuild.sh - ./gates_report.sh - mv gates_report.json ../gates_report.json - - - name: Compare gates reports - id: gates_diff - uses: noir-lang/noir-gates-diff@1931aaaa848a1a009363d6115293f7b7fc72bb87 - with: - report: gates_report.json - summaryQuantile: 0.9 # only display the 10% most significant circuit size diffs in the summary (defaults to 20%) - - - name: Add gates diff to sticky comment - if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target' - uses: marocchino/sticky-pull-request-comment@v2 - with: - # delete the comment in case changes no longer impact circuit sizes - delete: ${{ !steps.gates_diff.outputs.markdown }} - message: ${{ steps.gates_diff.outputs.markdown }} diff --git a/noir/noir-repo/.github/workflows/gates_report_brillig.yml b/noir/noir-repo/.github/workflows/gates_report_brillig.yml deleted file mode 100644 index e7ec30923f0..00000000000 --- a/noir/noir-repo/.github/workflows/gates_report_brillig.yml +++ /dev/null @@ -1,92 +0,0 @@ -name: Report Brillig bytecode size diff - -on: - push: - branches: - - master - pull_request: - -jobs: - build-nargo: - runs-on: ubuntu-latest - strategy: - matrix: - target: [x86_64-unknown-linux-gnu] - - steps: - - name: Checkout Noir repo - uses: actions/checkout@v4 - - - name: Setup toolchain - uses: dtolnay/rust-toolchain@1.74.1 - - - uses: Swatinem/rust-cache@v2 - with: - key: ${{ matrix.target }} - cache-on-failure: true - save-if: ${{ github.event_name != 'merge_group' }} - - - name: Build Nargo - run: cargo build --package nargo_cli --release - - - name: Package artifacts - run: | - mkdir dist - cp ./target/release/nargo ./dist/nargo - 7z a -ttar -so -an ./dist/* | 7z a -si ./nargo-x86_64-unknown-linux-gnu.tar.gz - - - name: Upload artifact - uses: actions/upload-artifact@v4 - with: - name: nargo - path: ./dist/* - retention-days: 3 - - compare_brillig_bytecode_size_reports: - needs: [build-nargo] - runs-on: ubuntu-latest - permissions: - pull-requests: write - - steps: - - uses: actions/checkout@v4 - - - name: Download nargo binary - uses: actions/download-artifact@v4 - with: - name: nargo - path: ./nargo - - - name: Set nargo on PATH - run: | - nargo_binary="${{ github.workspace }}/nargo/nargo" - chmod +x $nargo_binary - echo "$(dirname $nargo_binary)" >> $GITHUB_PATH - export PATH="$PATH:$(dirname $nargo_binary)" - nargo -V - - - name: Generate Brillig bytecode size report - working-directory: ./test_programs - run: | - chmod +x gates_report_brillig.sh - ./gates_report_brillig.sh - mv gates_report_brillig.json ../gates_report_brillig.json - - - name: Compare Brillig bytecode size reports - id: brillig_bytecode_diff - uses: noir-lang/noir-gates-diff@d88f7523b013b9edd3f31c5cfddaef87a3fe1b48 - with: - report: gates_report_brillig.json - header: | - # Changes to Brillig bytecode sizes - brillig_report: true - summaryQuantile: 0.9 # only display the 10% most significant bytecode size diffs in the summary (defaults to 20%) - - - name: Add bytecode size diff to sticky comment - if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target' - uses: marocchino/sticky-pull-request-comment@v2 - with: - header: brillig - # delete the comment in case changes no longer impact brillig bytecode sizes - delete: ${{ !steps.brillig_bytecode_diff.outputs.markdown }} - message: ${{ steps.brillig_bytecode_diff.outputs.markdown }} \ No newline at end of file diff --git a/noir/noir-repo/.github/workflows/gates_report_brillig_execution.yml b/noir/noir-repo/.github/workflows/gates_report_brillig_execution.yml deleted file mode 100644 index 0ef98f5045b..00000000000 --- a/noir/noir-repo/.github/workflows/gates_report_brillig_execution.yml +++ /dev/null @@ -1,92 +0,0 @@ -name: Report Brillig opcodes executed diff - -on: - push: - branches: - - master - pull_request: - -jobs: - build-nargo: - runs-on: ubuntu-latest - strategy: - matrix: - target: [x86_64-unknown-linux-gnu] - - steps: - - name: Checkout Noir repo - uses: actions/checkout@v4 - - - name: Setup toolchain - uses: dtolnay/rust-toolchain@1.74.1 - - - uses: Swatinem/rust-cache@v2 - with: - key: ${{ matrix.target }} - cache-on-failure: true - save-if: ${{ github.event_name != 'merge_group' }} - - - name: Build Nargo - run: cargo build --package nargo_cli --release - - - name: Package artifacts - run: | - mkdir dist - cp ./target/release/nargo ./dist/nargo - 7z a -ttar -so -an ./dist/* | 7z a -si ./nargo-x86_64-unknown-linux-gnu.tar.gz - - - name: Upload artifact - uses: actions/upload-artifact@v4 - with: - name: nargo - path: ./dist/* - retention-days: 3 - - compare_brillig_execution_reports: - needs: [build-nargo] - runs-on: ubuntu-latest - permissions: - pull-requests: write - - steps: - - uses: actions/checkout@v4 - - - name: Download nargo binary - uses: actions/download-artifact@v4 - with: - name: nargo - path: ./nargo - - - name: Set nargo on PATH - run: | - nargo_binary="${{ github.workspace }}/nargo/nargo" - chmod +x $nargo_binary - echo "$(dirname $nargo_binary)" >> $GITHUB_PATH - export PATH="$PATH:$(dirname $nargo_binary)" - nargo -V - - - name: Generate Brillig execution report - working-directory: ./test_programs - run: | - chmod +x gates_report_brillig_execution.sh - ./gates_report_brillig_execution.sh - mv gates_report_brillig_execution.json ../gates_report_brillig_execution.json - - - name: Compare Brillig execution reports - id: brillig_execution_diff - uses: noir-lang/noir-gates-diff@d88f7523b013b9edd3f31c5cfddaef87a3fe1b48 - with: - report: gates_report_brillig_execution.json - header: | - # Changes to number of Brillig opcodes executed - brillig_report: true - summaryQuantile: 0.9 # only display the 10% most significant bytecode size diffs in the summary (defaults to 20%) - - - name: Add bytecode size diff to sticky comment - if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target' - uses: marocchino/sticky-pull-request-comment@v2 - with: - header: brillig_execution - # delete the comment in case changes no longer impact brillig bytecode sizes - delete: ${{ !steps.brillig_execution_diff.outputs.markdown }} - message: ${{ steps.brillig_execution_diff.outputs.markdown }} \ No newline at end of file diff --git a/noir/noir-repo/.github/workflows/lockfile.yml b/noir/noir-repo/.github/workflows/lockfile.yml deleted file mode 100644 index 190e01745af..00000000000 --- a/noir/noir-repo/.github/workflows/lockfile.yml +++ /dev/null @@ -1,23 +0,0 @@ -name: Lockfile check - -on: - pull_request: - -# This will cancel previous runs when a branch or PR is updated -concurrency: - group: ${{ github.workflow }}-${{ github.head_ref || github.ref || github.run_id }} - cancel-in-progress: true - -jobs: - yarn-lock: - runs-on: ubuntu-latest - timeout-minutes: 30 - - steps: - - name: Checkout - uses: actions/checkout@v4 - - # Errors if installation would result in modifications to yarn.lock - - name: Install - run: yarn --immutable - shell: bash diff --git a/noir/noir-repo/.github/workflows/release.yml b/noir/noir-repo/.github/workflows/release.yml index 7e0909224e5..59c3d9a1415 100644 --- a/noir/noir-repo/.github/workflows/release.yml +++ b/noir/noir-repo/.github/workflows/release.yml @@ -15,7 +15,7 @@ jobs: steps: - name: Run release-please id: release - uses: google-github-actions/release-please-action@v4 + uses: googleapis/release-please-action@v4 with: token: ${{ secrets.NOIR_RELEASES_TOKEN }} diff --git a/noir/noir-repo/.github/workflows/reports.yml b/noir/noir-repo/.github/workflows/reports.yml new file mode 100644 index 00000000000..8f8aeabb65e --- /dev/null +++ b/noir/noir-repo/.github/workflows/reports.yml @@ -0,0 +1,235 @@ +name: Reports + +on: + push: + branches: + - master + pull_request: + +jobs: + build-nargo: + runs-on: ubuntu-latest + + steps: + - name: Checkout Noir repo + uses: actions/checkout@v4 + + - name: Setup toolchain + uses: dtolnay/rust-toolchain@1.74.1 + + - uses: Swatinem/rust-cache@v2 + with: + key: x86_64-unknown-linux-gnu + cache-on-failure: true + save-if: ${{ github.event_name != 'merge_group' }} + + - name: Build Nargo + run: cargo build --package nargo_cli --release + + - name: Package artifacts + run: | + mkdir dist + cp ./target/release/nargo ./dist/nargo + + - name: Upload artifact + uses: actions/upload-artifact@v4 + with: + name: nargo + path: ./dist/* + retention-days: 3 + + + compare_gates_reports: + name: Circuit sizes + needs: [build-nargo] + runs-on: ubuntu-latest + permissions: + pull-requests: write + + steps: + - uses: actions/checkout@v4 + + - name: Install `bb` + run: | + ./scripts/install_bb.sh + echo "$HOME/.bb/" >> $GITHUB_PATH + + - name: Download nargo binary + uses: actions/download-artifact@v4 + with: + name: nargo + path: ./nargo + + - name: Set nargo on PATH + run: | + nargo_binary="${{ github.workspace }}/nargo/nargo" + chmod +x $nargo_binary + echo "$(dirname $nargo_binary)" >> $GITHUB_PATH + export PATH="$PATH:$(dirname $nargo_binary)" + nargo -V + + - name: Generate gates report + working-directory: ./test_programs + run: | + ./rebuild.sh + ./gates_report.sh + mv gates_report.json ../gates_report.json + + - name: Compare gates reports + id: gates_diff + uses: noir-lang/noir-gates-diff@1931aaaa848a1a009363d6115293f7b7fc72bb87 + with: + report: gates_report.json + summaryQuantile: 0.9 # only display the 10% most significant circuit size diffs in the summary (defaults to 20%) + + - name: Add gates diff to sticky comment + if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target' + uses: marocchino/sticky-pull-request-comment@v2 + with: + # delete the comment in case changes no longer impact circuit sizes + delete: ${{ !steps.gates_diff.outputs.markdown }} + message: ${{ steps.gates_diff.outputs.markdown }} + + compare_brillig_bytecode_size_reports: + name: Brillig bytecode sizes + needs: [build-nargo] + runs-on: ubuntu-latest + permissions: + pull-requests: write + + steps: + - uses: actions/checkout@v4 + + - name: Download nargo binary + uses: actions/download-artifact@v4 + with: + name: nargo + path: ./nargo + + - name: Set nargo on PATH + run: | + nargo_binary="${{ github.workspace }}/nargo/nargo" + chmod +x $nargo_binary + echo "$(dirname $nargo_binary)" >> $GITHUB_PATH + export PATH="$PATH:$(dirname $nargo_binary)" + nargo -V + + - name: Generate Brillig bytecode size report + working-directory: ./test_programs + run: | + ./gates_report_brillig.sh + mv gates_report_brillig.json ../gates_report_brillig.json + + - name: Compare Brillig bytecode size reports + id: brillig_bytecode_diff + uses: noir-lang/noir-gates-diff@d88f7523b013b9edd3f31c5cfddaef87a3fe1b48 + with: + report: gates_report_brillig.json + header: | + # Changes to Brillig bytecode sizes + brillig_report: true + summaryQuantile: 0.9 # only display the 10% most significant bytecode size diffs in the summary (defaults to 20%) + + - name: Add bytecode size diff to sticky comment + if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target' + uses: marocchino/sticky-pull-request-comment@v2 + with: + header: brillig + # delete the comment in case changes no longer impact brillig bytecode sizes + delete: ${{ !steps.brillig_bytecode_diff.outputs.markdown }} + message: ${{ steps.brillig_bytecode_diff.outputs.markdown }} + + compare_brillig_execution_reports: + name: Brillig execution trace sizes + needs: [build-nargo] + runs-on: ubuntu-latest + permissions: + pull-requests: write + + steps: + - uses: actions/checkout@v4 + + - name: Download nargo binary + uses: actions/download-artifact@v4 + with: + name: nargo + path: ./nargo + + - name: Set nargo on PATH + run: | + nargo_binary="${{ github.workspace }}/nargo/nargo" + chmod +x $nargo_binary + echo "$(dirname $nargo_binary)" >> $GITHUB_PATH + export PATH="$PATH:$(dirname $nargo_binary)" + nargo -V + + - name: Generate Brillig execution report + working-directory: ./test_programs + run: | + ./gates_report_brillig_execution.sh + mv gates_report_brillig_execution.json ../gates_report_brillig_execution.json + + - name: Compare Brillig execution reports + id: brillig_execution_diff + uses: noir-lang/noir-gates-diff@d88f7523b013b9edd3f31c5cfddaef87a3fe1b48 + with: + report: gates_report_brillig_execution.json + header: | + # Changes to number of Brillig opcodes executed + brillig_report: true + summaryQuantile: 0.9 # only display the 10% most significant bytecode size diffs in the summary (defaults to 20%) + + - name: Add bytecode size diff to sticky comment + if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target' + uses: marocchino/sticky-pull-request-comment@v2 + with: + header: brillig_execution + # delete the comment in case changes no longer impact brillig bytecode sizes + delete: ${{ !steps.brillig_execution_diff.outputs.markdown }} + message: ${{ steps.brillig_execution_diff.outputs.markdown }} + + generate_memory_report: + name: Peak memory usage + needs: [build-nargo] + runs-on: ubuntu-latest + permissions: + pull-requests: write + + steps: + - uses: actions/checkout@v4 + + - name: Download nargo binary + uses: actions/download-artifact@v4 + with: + name: nargo + path: ./nargo + + - name: Set nargo on PATH + run: | + nargo_binary="${{ github.workspace }}/nargo/nargo" + chmod +x $nargo_binary + echo "$(dirname $nargo_binary)" >> $GITHUB_PATH + export PATH="$PATH:$(dirname $nargo_binary)" + nargo -V + + - name: Generate Memory report + working-directory: ./test_programs + run: | + ./memory_report.sh + mv memory_report.json ../memory_report.json + + - name: Parse memory report + id: memory_report + uses: noir-lang/noir-bench-report@ccb0d806a91d3bd86dba0ba3d580a814eed5673c + with: + report: memory_report.json + header: | + # Memory Report + memory_report: true + + - name: Add memory report to sticky comment + if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target' + uses: marocchino/sticky-pull-request-comment@v2 + with: + header: memory + message: ${{ steps.memory_report.outputs.markdown }} diff --git a/noir/noir-repo/.github/workflows/test-js-packages.yml b/noir/noir-repo/.github/workflows/test-js-packages.yml index 4a5d0b8179b..6a9a918b955 100644 --- a/noir/noir-repo/.github/workflows/test-js-packages.yml +++ b/noir/noir-repo/.github/workflows/test-js-packages.yml @@ -13,6 +13,19 @@ concurrency: cancel-in-progress: true jobs: + yarn-lock: + runs-on: ubuntu-latest + timeout-minutes: 30 + + steps: + - name: Checkout + uses: actions/checkout@v4 + + # Errors if installation would result in modifications to yarn.lock + - name: Install + run: yarn --immutable + shell: bash + build-nargo: runs-on: ubuntu-22.04 timeout-minutes: 30 @@ -78,7 +91,6 @@ jobs: ./tooling/noirc_abi_wasm/web retention-days: 10 - build-noir-wasm: runs-on: ubuntu-latest timeout-minutes: 30 @@ -519,12 +531,25 @@ jobs: fail-fast: false matrix: project: - # Disabled as these are currently failing with many visibility errors - - { repo: AztecProtocol/aztec-nr, path: ./ } + - { repo: noir-lang/ec, path: ./ } + - { repo: noir-lang/eddsa, path: ./ } + - { repo: noir-lang/mimc, path: ./ } + - { repo: noir-lang/noir_sort, path: ./ } + - { repo: noir-lang/noir-edwards, path: ./ } + - { repo: noir-lang/noir-bignum, path: ./ } + - { repo: noir-lang/noir_bigcurve, path: ./ } + - { repo: noir-lang/noir_base64, path: ./ } + - { repo: noir-lang/noir_string_search, path: ./ } + - { repo: noir-lang/sparse_array, path: ./ } + - { repo: noir-lang/noir_rsa, path: ./lib } + - { repo: AztecProtocol/aztec-packages, path: ./noir-projects/aztec-nr } - { repo: AztecProtocol/aztec-packages, path: ./noir-projects/noir-contracts } - # Disabled as aztec-packages requires a setup-step in order to generate a `Nargo.toml` - #- { repo: AztecProtocol/aztec-packages, path: ./noir-projects/noir-protocol-circuits } - - { repo: noir-lang/noir-edwards, path: ./, ref: 3188ea74fe3b059219a2ea87899589c266256d74 } + - { repo: AztecProtocol/aztec-packages, path: ./noir-projects/noir-protocol-circuits/crates/parity-lib } + - { repo: AztecProtocol/aztec-packages, path: ./noir-projects/noir-protocol-circuits/crates/private-kernel-lib } + - { repo: AztecProtocol/aztec-packages, path: ./noir-projects/noir-protocol-circuits/crates/reset-kernel-lib } + - { repo: AztecProtocol/aztec-packages, path: ./noir-projects/noir-protocol-circuits/crates/rollup-lib } + - { repo: AztecProtocol/aztec-packages, path: ./noir-projects/noir-protocol-circuits/crates/types } + name: Check external repo - ${{ matrix.project.repo }} steps: - name: Checkout @@ -554,9 +579,12 @@ jobs: # Github actions seems to not expand "**" in globs by default. shopt -s globstar sed -i '/^compiler_version/d' ./**/Nargo.toml - - name: Run nargo check + + - name: Run nargo test working-directory: ./test-repo/${{ matrix.project.path }} - run: nargo check + run: nargo test --silence-warnings + env: + NARGO_IGNORE_TEST_FAILURES_FROM_FOREIGN_CALLS: true # This is a job which depends on all test jobs and reports the overall status. # This allows us to add/remove test jobs without having to update the required workflows. @@ -566,6 +594,7 @@ jobs: # We want this job to always run (even if the dependant jobs fail) as we want this job to fail rather than skipping. if: ${{ always() }} needs: + - yarn-lock - test-acvm_js-node - test-acvm_js-browser - test-noirc-abi diff --git a/noir/noir-repo/Cargo.lock b/noir/noir-repo/Cargo.lock index 94a84b89d05..2f19ed704b2 100644 --- a/noir/noir-repo/Cargo.lock +++ b/noir/noir-repo/Cargo.lock @@ -2789,6 +2789,7 @@ dependencies = [ "dirs", "file-lock", "fm", + "fxhash", "iai", "iter-extended", "lazy_static", @@ -3151,6 +3152,7 @@ dependencies = [ "serde_json", "serde_with", "similar-asserts", + "test-case", "thiserror", "tracing", ] diff --git a/noir/noir-repo/acvm-repo/acir/src/circuit/brillig.rs b/noir/noir-repo/acvm-repo/acir/src/circuit/brillig.rs index a9714ce29b2..ef75d088f8c 100644 --- a/noir/noir-repo/acvm-repo/acir/src/circuit/brillig.rs +++ b/noir/noir-repo/acvm-repo/acir/src/circuit/brillig.rs @@ -5,7 +5,7 @@ use serde::{Deserialize, Serialize}; /// Inputs for the Brillig VM. These are the initial inputs /// that the Brillig VM will use to start. -#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug)] +#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug, Hash)] pub enum BrilligInputs { Single(Expression), Array(Vec>), @@ -14,7 +14,7 @@ pub enum BrilligInputs { /// Outputs for the Brillig VM. Once the VM has completed /// execution, this will be the object that is returned. -#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug)] +#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug, Hash)] pub enum BrilligOutputs { Simple(Witness), Array(Vec), @@ -23,7 +23,7 @@ pub enum BrilligOutputs { /// This is purely a wrapper struct around a list of Brillig opcode's which represents /// a full Brillig function to be executed by the Brillig VM. /// This is stored separately on a program and accessed through a [BrilligPointer]. -#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Default, Debug)] +#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Default, Debug, Hash)] pub struct BrilligBytecode { pub bytecode: Vec>, } diff --git a/noir/noir-repo/acvm-repo/acir/src/circuit/mod.rs b/noir/noir-repo/acvm-repo/acir/src/circuit/mod.rs index 33982065c2a..88605d3bdab 100644 --- a/noir/noir-repo/acvm-repo/acir/src/circuit/mod.rs +++ b/noir/noir-repo/acvm-repo/acir/src/circuit/mod.rs @@ -25,7 +25,7 @@ use self::{brillig::BrilligBytecode, opcodes::BlockId}; /// Bounded Expressions are useful if you are eventually going to pass the ACIR /// into a proving system which supports PLONK, where arithmetic expressions have a /// finite fan-in. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default)] +#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default, Hash)] pub enum ExpressionWidth { #[default] Unbounded, @@ -36,13 +36,13 @@ pub enum ExpressionWidth { /// A program represented by multiple ACIR circuits. The execution trace of these /// circuits is dictated by construction of the [crate::native_types::WitnessStack]. -#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Default)] +#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Default, Hash)] pub struct Program { pub functions: Vec>, pub unconstrained_functions: Vec>, } -#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Default)] +#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Default, Hash)] pub struct Circuit { // current_witness_index is the highest witness index in the circuit. The next witness to be added to this circuit // will take on this value. (The value is cached here as an optimization.) @@ -69,13 +69,13 @@ pub struct Circuit { pub assert_messages: Vec<(OpcodeLocation, AssertionPayload)>, } -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)] pub enum ExpressionOrMemory { Expression(Expression), Memory(BlockId), } -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)] pub struct AssertionPayload { pub error_selector: u64, pub payload: Vec>, @@ -355,7 +355,7 @@ impl std::fmt::Debug for Program { } } -#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Default)] +#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Default, Hash)] pub struct PublicInputs(pub BTreeSet); impl PublicInputs { diff --git a/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes.rs b/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes.rs index 06effd3c5b6..f47c40b0dd7 100644 --- a/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes.rs +++ b/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes.rs @@ -15,7 +15,7 @@ pub use black_box_function_call::{ }; pub use memory_operation::{BlockId, MemOp}; -#[derive(Clone, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Hash)] pub enum BlockType { Memory, CallData(u32), @@ -29,7 +29,7 @@ impl BlockType { } #[allow(clippy::large_enum_variant)] -#[derive(Clone, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Hash)] pub enum Opcode { /// An `AssertZero` opcode adds the constraint that `P(w) = 0`, where /// `w=(w_1,..w_n)` is a tuple of `n` witnesses, and `P` is a multi-variate diff --git a/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes/black_box_function_call.rs b/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes/black_box_function_call.rs index fa51caf5155..e756eedefbc 100644 --- a/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes/black_box_function_call.rs +++ b/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes/black_box_function_call.rs @@ -9,13 +9,13 @@ use thiserror::Error; // Note: Some functions will not use all of the witness // So we need to supply how many bits of the witness is needed -#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Hash)] pub enum ConstantOrWitnessEnum { Constant(F), Witness(Witness), } -#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Hash)] pub struct FunctionInput { input: ConstantOrWitnessEnum, num_bits: u32, @@ -79,7 +79,7 @@ impl std::fmt::Display for FunctionInput { } } -#[derive(Clone, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Hash)] pub enum BlackBoxFuncCall { AES128Encrypt { inputs: Vec>, diff --git a/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes/memory_operation.rs b/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes/memory_operation.rs index 90e3ee0563a..c9a78983204 100644 --- a/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes/memory_operation.rs +++ b/noir/noir-repo/acvm-repo/acir/src/circuit/opcodes/memory_operation.rs @@ -7,7 +7,7 @@ pub struct BlockId(pub u32); /// Operation on a block of memory /// We can either write or read at an index in memory -#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug)] +#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug, Hash)] pub struct MemOp { /// A constant expression that can be 0 (read) or 1 (write) pub operation: Expression, diff --git a/noir/noir-repo/acvm-repo/acvm_js/build.sh b/noir/noir-repo/acvm-repo/acvm_js/build.sh index c07d2d8a4c1..16fb26e55db 100755 --- a/noir/noir-repo/acvm-repo/acvm_js/build.sh +++ b/noir/noir-repo/acvm-repo/acvm_js/build.sh @@ -25,7 +25,7 @@ function run_if_available { require_command jq require_command cargo require_command wasm-bindgen -#require_command wasm-opt +require_command wasm-opt self_path=$(dirname "$(readlink -f "$0")") pname=$(cargo read-manifest | jq -r '.name') diff --git a/noir/noir-repo/acvm-repo/brillig/src/black_box.rs b/noir/noir-repo/acvm-repo/brillig/src/black_box.rs index 3264388c8ef..cbb268c0a50 100644 --- a/noir/noir-repo/acvm-repo/brillig/src/black_box.rs +++ b/noir/noir-repo/acvm-repo/brillig/src/black_box.rs @@ -3,7 +3,7 @@ use serde::{Deserialize, Serialize}; /// These opcodes provide an equivalent of ACIR blackbox functions. /// They are implemented as native functions in the VM. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Hash)] pub enum BlackBoxOp { /// Encrypts a message using AES128. AES128Encrypt { diff --git a/noir/noir-repo/acvm-repo/brillig/src/opcodes.rs b/noir/noir-repo/acvm-repo/brillig/src/opcodes.rs index 8b72b5a9b41..1cb31ca3d0a 100644 --- a/noir/noir-repo/acvm-repo/brillig/src/opcodes.rs +++ b/noir/noir-repo/acvm-repo/brillig/src/opcodes.rs @@ -56,7 +56,7 @@ impl MemoryAddress { } /// Describes the memory layout for an array/vector element -#[derive(Debug, Clone, Eq, PartialEq, Serialize, Deserialize)] +#[derive(Debug, Clone, Eq, PartialEq, Serialize, Deserialize, Hash)] pub enum HeapValueType { // A single field element is enough to represent the value with a given bit size Simple(BitSize), @@ -81,7 +81,7 @@ impl HeapValueType { } /// A fixed-sized array starting from a Brillig memory location. -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy)] +#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy, Hash)] pub struct HeapArray { pub pointer: MemoryAddress, pub size: usize, @@ -94,13 +94,13 @@ impl Default for HeapArray { } /// A memory-sized vector passed starting from a Brillig memory location and with a memory-held size -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy)] +#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy, Hash)] pub struct HeapVector { pub pointer: MemoryAddress, pub size: MemoryAddress, } -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy, PartialOrd, Ord)] +#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy, PartialOrd, Ord, Hash)] pub enum IntegerBitSize { U1, U8, @@ -152,7 +152,7 @@ impl std::fmt::Display for IntegerBitSize { } } -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy, PartialOrd, Ord)] +#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy, PartialOrd, Ord, Hash)] pub enum BitSize { Field, Integer(IntegerBitSize), @@ -181,7 +181,7 @@ impl BitSize { /// While we are usually agnostic to how memory is passed within Brillig, /// this needs to be encoded somehow when dealing with an external system. /// For simplicity, the extra type information is given right in the ForeignCall instructions. -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy)] +#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Copy, Hash)] pub enum ValueOrArray { /// A single value passed to or from an external call /// It is an 'immediate' value - used without dereferencing. @@ -198,7 +198,7 @@ pub enum ValueOrArray { HeapVector(HeapVector), } -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)] pub enum BrilligOpcode { /// Takes the fields in addresses `lhs` and `rhs` /// Performs the specified binary operation @@ -314,7 +314,7 @@ pub enum BrilligOpcode { } /// Binary fixed-length field expressions -#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Hash)] pub enum BinaryFieldOp { Add, Sub, @@ -332,7 +332,7 @@ pub enum BinaryFieldOp { } /// Binary fixed-length integer expressions -#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Hash)] pub enum BinaryIntOp { Add, Sub, diff --git a/noir/noir-repo/compiler/integration-tests/package.json b/noir/noir-repo/compiler/integration-tests/package.json index e33179f31e7..a9d437da792 100644 --- a/noir/noir-repo/compiler/integration-tests/package.json +++ b/noir/noir-repo/compiler/integration-tests/package.json @@ -13,7 +13,7 @@ "lint": "NODE_NO_WARNINGS=1 eslint . --ext .ts --ignore-path ./.eslintignore --max-warnings 0" }, "dependencies": { - "@aztec/bb.js": "portal:../../../../barretenberg/ts", + "@aztec/bb.js": "0.63.1", "@noir-lang/noir_js": "workspace:*", "@noir-lang/noir_wasm": "workspace:*", "@nomicfoundation/hardhat-chai-matchers": "^2.0.0", diff --git a/noir/noir-repo/compiler/noirc_driver/src/debug.rs b/noir/noir-repo/compiler/noirc_driver/src/debug.rs index f5eaede89b2..6044e6c0e65 100644 --- a/noir/noir-repo/compiler/noirc_driver/src/debug.rs +++ b/noir/noir-repo/compiler/noirc_driver/src/debug.rs @@ -8,7 +8,7 @@ use std::{ /// For a given file, we store the source code and the path to the file /// so consumers of the debug artifact can reconstruct the original source code structure. -#[derive(Clone, Debug, Serialize, Deserialize)] +#[derive(Clone, Debug, Serialize, Deserialize, Hash)] pub struct DebugFile { pub source: String, pub path: PathBuf, diff --git a/noir/noir-repo/compiler/noirc_driver/src/lib.rs b/noir/noir-repo/compiler/noirc_driver/src/lib.rs index 72ea464805f..5bedefaf563 100644 --- a/noir/noir-repo/compiler/noirc_driver/src/lib.rs +++ b/noir/noir-repo/compiler/noirc_driver/src/lib.rs @@ -13,7 +13,7 @@ use noirc_abi::{AbiParameter, AbiType, AbiValue}; use noirc_errors::{CustomDiagnostic, FileDiagnostic}; use noirc_evaluator::create_program; use noirc_evaluator::errors::RuntimeError; -use noirc_evaluator::ssa::SsaProgramArtifact; +use noirc_evaluator::ssa::{SsaLogging, SsaProgramArtifact}; use noirc_frontend::debug::build_debug_crate_file; use noirc_frontend::hir::def_map::{Contract, CrateDefMap}; use noirc_frontend::hir::Context; @@ -70,6 +70,11 @@ pub struct CompileOptions { #[arg(long, hide = true)] pub show_ssa: bool, + /// Only show SSA passes whose name contains the provided string. + /// This setting takes precedence over `show_ssa` if it's not empty. + #[arg(long, hide = true)] + pub show_ssa_pass_name: Option, + /// Emit the unoptimized SSA IR to file. /// The IR will be dumped into the workspace target directory, /// under `[compiled-package].ssa.json`. @@ -126,11 +131,19 @@ pub struct CompileOptions { #[arg(long)] pub skip_underconstrained_check: bool, - /// Setting to decide on an inlining strategy for brillig functions. + /// Setting to decide on an inlining strategy for Brillig functions. /// A more aggressive inliner should generate larger programs but more optimized /// A less aggressive inliner should generate smaller programs #[arg(long, hide = true, allow_hyphen_values = true, default_value_t = i64::MAX)] pub inliner_aggressiveness: i64, + + /// Setting the maximum acceptable increase in Brillig bytecode size due to + /// unrolling small loops. When left empty, any change is accepted as long + /// as it required fewer SSA instructions. + /// A higher value results in fewer jumps but a larger program. + /// A lower value keeps the original program if it was smaller, even if it has more jumps. + #[arg(long, hide = true, allow_hyphen_values = true)] + pub max_bytecode_increase_percent: Option, } pub fn parse_expression_width(input: &str) -> Result { @@ -321,6 +334,8 @@ pub fn compute_function_abi( /// /// On success this returns the compiled program alongside any warnings that were found. /// On error this returns the non-empty list of warnings and errors. +/// +/// See [compile_no_check] for further information about the use of `cached_program`. pub fn compile_main( context: &mut Context, crate_id: CrateId, @@ -542,6 +557,15 @@ pub const DEFAULT_EXPRESSION_WIDTH: ExpressionWidth = ExpressionWidth::Bounded { /// Compile the current crate using `main_function` as the entrypoint. /// /// This function assumes [`check_crate`] is called beforehand. +/// +/// If the program is not returned from cache, it is backend-agnostic and must go through a transformation +/// pass before usage in proof generation; if it's returned from cache these transformations might have +/// already been applied. +/// +/// The transformations are _not_ covered by the check that decides whether we can use the cached artifact. +/// That comparison is based on on [CompiledProgram::hash] which is a persisted version of the hash of the input +/// [`ast::Program`][noirc_frontend::monomorphization::ast::Program], whereas the output [`circuit::Program`][acir::circuit::Program] +/// contains the final optimized ACIR opcodes, including the transformation done after this compilation. #[tracing::instrument(level = "trace", skip_all, fields(function_name = context.function_name(&main_function)))] pub fn compile_no_check( context: &mut Context, @@ -556,8 +580,6 @@ pub fn compile_no_check( monomorphize(main_function, &mut context.def_interner)? }; - let hash = fxhash::hash64(&program); - let hashes_match = cached_program.as_ref().map_or(false, |program| program.hash == hash); if options.show_monomorphized { println!("{program}"); } @@ -571,13 +593,28 @@ pub fn compile_no_check( || options.show_ssa || options.emit_ssa; - if !force_compile && hashes_match { - info!("Program matches existing artifact, returning early"); - return Ok(cached_program.expect("cache must exist for hashes to match")); + // Hash the AST program, which is going to be used to fingerprint the compilation artifact. + let hash = fxhash::hash64(&program); + + if let Some(cached_program) = cached_program { + if !force_compile && cached_program.hash == hash { + info!("Program matches existing artifact, returning early"); + return Ok(cached_program); + } } + let return_visibility = program.return_visibility; let ssa_evaluator_options = noirc_evaluator::ssa::SsaEvaluatorOptions { - enable_ssa_logging: options.show_ssa, + ssa_logging: match &options.show_ssa_pass_name { + Some(string) => SsaLogging::Contains(string.clone()), + None => { + if options.show_ssa { + SsaLogging::All + } else { + SsaLogging::None + } + } + }, enable_brillig_logging: options.show_brillig, force_brillig_output: options.force_brillig, print_codegen_timings: options.benchmark_codegen, @@ -589,6 +626,7 @@ pub fn compile_no_check( emit_ssa: if options.emit_ssa { Some(context.package_build_path.clone()) } else { None }, skip_underconstrained_check: options.skip_underconstrained_check, inliner_aggressiveness: options.inliner_aggressiveness, + max_bytecode_increase_percent: options.max_bytecode_increase_percent, }; let SsaProgramArtifact { program, debug, warnings, names, brillig_names, error_types, .. } = diff --git a/noir/noir-repo/compiler/noirc_driver/src/program.rs b/noir/noir-repo/compiler/noirc_driver/src/program.rs index 88460482928..4b4d6662e8e 100644 --- a/noir/noir-repo/compiler/noirc_driver/src/program.rs +++ b/noir/noir-repo/compiler/noirc_driver/src/program.rs @@ -9,7 +9,7 @@ use serde::{Deserialize, Serialize}; use super::debug::DebugFile; -#[derive(Debug, Serialize, Deserialize, Clone)] +#[derive(Debug, Serialize, Deserialize, Clone, Hash)] pub struct CompiledProgram { pub noir_version: String, /// Hash of the [`Program`][noirc_frontend::monomorphization::ast::Program] from which this [`CompiledProgram`] diff --git a/noir/noir-repo/compiler/noirc_errors/src/debug_info.rs b/noir/noir-repo/compiler/noirc_errors/src/debug_info.rs index 77028f739bd..a5e12b37712 100644 --- a/noir/noir-repo/compiler/noirc_errors/src/debug_info.rs +++ b/noir/noir-repo/compiler/noirc_errors/src/debug_info.rs @@ -94,7 +94,7 @@ impl ProgramDebugInfo { } #[serde_as] -#[derive(Default, Debug, Clone, Deserialize, Serialize)] +#[derive(Default, Debug, Clone, Deserialize, Serialize, Hash)] pub struct DebugInfo { /// Map opcode index of an ACIR circuit into the source code location /// Serde does not support mapping keys being enums for json, so we indicate diff --git a/noir/noir-repo/compiler/noirc_evaluator/Cargo.toml b/noir/noir-repo/compiler/noirc_evaluator/Cargo.toml index e25b5bf855a..bb8c62cfd95 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/Cargo.toml +++ b/noir/noir-repo/compiler/noirc_evaluator/Cargo.toml @@ -33,6 +33,7 @@ cfg-if.workspace = true proptest.workspace = true similar-asserts.workspace = true num-traits.workspace = true +test-case.workspace = true [features] bn254 = ["noirc_frontend/bn254"] diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/acir/acir_variable.rs b/noir/noir-repo/compiler/noirc_evaluator/src/acir/acir_variable.rs index a42426e6c04..9f2c649ee3e 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/acir/acir_variable.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/acir/acir_variable.rs @@ -92,7 +92,7 @@ impl<'a> From<&'a SsaType> for AcirType { SsaType::Numeric(numeric_type) => AcirType::NumericType(*numeric_type), SsaType::Array(elements, size) => { let elements = elements.iter().map(|e| e.into()).collect(); - AcirType::Array(elements, *size) + AcirType::Array(elements, *size as usize) } _ => unreachable!("The type {value} cannot be represented in ACIR"), } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/acir/mod.rs b/noir/noir-repo/compiler/noirc_evaluator/src/acir/mod.rs index 69679495b92..76f0dea95bb 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/acir/mod.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/acir/mod.rs @@ -571,7 +571,7 @@ impl<'a> Context<'a> { AcirValue::Array(_) => { let block_id = self.block_id(param_id); let len = if matches!(typ, Type::Array(_, _)) { - typ.flattened_size() + typ.flattened_size() as usize } else { return Err(InternalError::Unexpected { expected: "Block params should be an array".to_owned(), @@ -816,7 +816,9 @@ impl<'a> Context<'a> { let inputs = vecmap(arguments, |arg| self.convert_value(*arg, dfg)); let output_count = result_ids .iter() - .map(|result_id| dfg.type_of_value(*result_id).flattened_size()) + .map(|result_id| { + dfg.type_of_value(*result_id).flattened_size() as usize + }) .sum(); let Some(acir_function_id) = @@ -948,7 +950,7 @@ impl<'a> Context<'a> { let block_id = self.block_id(&array_id); let array_typ = dfg.type_of_value(array_id); let len = if matches!(array_typ, Type::Array(_, _)) { - array_typ.flattened_size() + array_typ.flattened_size() as usize } else { Self::flattened_value_size(&output) }; @@ -1444,7 +1446,7 @@ impl<'a> Context<'a> { // a separate SSA value and restrictions on slice indices should be generated elsewhere in the SSA. let array_typ = dfg.type_of_value(array); let array_len = if !array_typ.contains_slice_element() { - array_typ.flattened_size() + array_typ.flattened_size() as usize } else { self.flattened_slice_size(array, dfg) }; @@ -1539,7 +1541,7 @@ impl<'a> Context<'a> { let value = self.convert_value(array, dfg); let array_typ = dfg.type_of_value(array); let len = if !array_typ.contains_slice_element() { - array_typ.flattened_size() + array_typ.flattened_size() as usize } else { self.flattened_slice_size(array, dfg) }; @@ -1810,7 +1812,7 @@ impl<'a> Context<'a> { return_values .iter() - .fold(0, |acc, value_id| acc + dfg.type_of_value(*value_id).flattened_size()) + .fold(0, |acc, value_id| acc + dfg.type_of_value(*value_id).flattened_size() as usize) } /// Converts an SSA terminator's return values into their ACIR representations @@ -2156,7 +2158,7 @@ impl<'a> Context<'a> { let inputs = vecmap(&arguments_no_slice_len, |arg| self.convert_value(*arg, dfg)); let output_count = result_ids.iter().fold(0usize, |sum, result_id| { - sum + dfg.try_get_array_length(*result_id).unwrap_or(1) + sum + dfg.try_get_array_length(*result_id).unwrap_or(1) as usize }); let vars = self.acir_context.black_box_function(black_box, inputs, output_count)?; @@ -2180,7 +2182,7 @@ impl<'a> Context<'a> { endian, field, radix, - array_length as u32, + array_length, result_type[0].clone().into(), ) .map(|array| vec![array]) @@ -2194,12 +2196,7 @@ impl<'a> Context<'a> { }; self.acir_context - .bit_decompose( - endian, - field, - array_length as u32, - result_type[0].clone().into(), - ) + .bit_decompose(endian, field, array_length, result_type[0].clone().into()) .map(|array| vec![array]) } Intrinsic::ArrayLen => { @@ -2220,7 +2217,7 @@ impl<'a> Context<'a> { let acir_value = self.convert_value(slice_contents, dfg); let array_len = if !slice_typ.contains_slice_element() { - slice_typ.flattened_size() + slice_typ.flattened_size() as usize } else { self.flattened_slice_size(slice_contents, dfg) }; diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block.rs index 1fa4985295a..9c88c559b59 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block.rs @@ -1823,7 +1823,7 @@ impl<'block> BrilligBlock<'block> { Type::Array(_, nested_size) => { let inner_array = BrilligArray { pointer: self.brillig_context.allocate_register(), - size: *nested_size, + size: *nested_size as usize, }; self.allocate_foreign_call_result_array(element_type, inner_array); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block_variables.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block_variables.rs index 393d4c967c2..bf0a1bc7347 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block_variables.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_block_variables.rs @@ -142,7 +142,7 @@ pub(crate) fn allocate_value( } Type::Array(item_typ, elem_count) => BrilligVariable::BrilligArray(BrilligArray { pointer: brillig_context.allocate_register(), - size: compute_array_length(&item_typ, elem_count), + size: compute_array_length(&item_typ, elem_count as usize), }), Type::Slice(_) => BrilligVariable::BrilligVector(BrilligVector { pointer: brillig_context.allocate_register(), diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_fn.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_fn.rs index 2779be103cd..3dea7b3e7f5 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_fn.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_gen/brillig_fn.rs @@ -59,7 +59,7 @@ impl FunctionContext { vecmap(item_type.iter(), |item_typ| { FunctionContext::ssa_type_to_parameter(item_typ) }), - *size, + *size as usize, ), Type::Slice(_) => { panic!("ICE: Slice parameters cannot be derived from type information") diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/brillig_variable.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/brillig_variable.rs index 81d61e05cc4..0bb18448670 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/brillig_variable.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/brillig_ir/brillig_variable.rs @@ -88,7 +88,7 @@ pub(crate) fn type_to_heap_value_type(typ: &Type) -> HeapValueType { ), Type::Array(elem_type, size) => HeapValueType::Array { value_types: elem_type.as_ref().iter().map(type_to_heap_value_type).collect(), - size: typ.element_size() * size, + size: typ.element_size() * *size as usize, }, Type::Slice(elem_type) => HeapValueType::Vector { value_types: elem_type.as_ref().iter().map(type_to_heap_value_type).collect(), diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/mod.rs b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/mod.rs index 1b61ae1a864..cb8c35cd8e0 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/brillig/mod.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/brillig/mod.rs @@ -12,7 +12,7 @@ use self::{ }, }; use crate::ssa::{ - ir::function::{Function, FunctionId, RuntimeType}, + ir::function::{Function, FunctionId}, ssa_gen::Ssa, }; use fxhash::FxHashMap as HashMap; @@ -59,7 +59,7 @@ impl std::ops::Index for Brillig { } impl Ssa { - /// Compile to brillig brillig functions and ACIR functions reachable from them + /// Compile Brillig functions and ACIR functions reachable from them #[tracing::instrument(level = "trace", skip_all)] pub(crate) fn to_brillig(&self, enable_debug_trace: bool) -> Brillig { // Collect all the function ids that are reachable from brillig @@ -67,9 +67,7 @@ impl Ssa { let brillig_reachable_function_ids = self .functions .iter() - .filter_map(|(id, func)| { - matches!(func.runtime(), RuntimeType::Brillig(_)).then_some(*id) - }) + .filter_map(|(id, func)| func.runtime().is_brillig().then_some(*id)) .collect::>(); let mut brillig = Brillig::default(); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/errors.rs b/noir/noir-repo/compiler/noirc_evaluator/src/errors.rs index 994e97eabb8..75a3ceb3a72 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/errors.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/errors.rs @@ -63,7 +63,7 @@ pub enum RuntimeError { UnknownReference { call_stack: CallStack }, } -#[derive(Debug, Clone, Serialize, Deserialize)] +#[derive(Debug, Clone, Serialize, Deserialize, Hash)] pub enum SsaReport { Warning(InternalWarning), Bug(InternalBug), @@ -107,7 +107,7 @@ impl From for FileDiagnostic { } } -#[derive(Debug, PartialEq, Eq, Clone, Error, Serialize, Deserialize)] +#[derive(Debug, PartialEq, Eq, Clone, Error, Serialize, Deserialize, Hash)] pub enum InternalWarning { #[error("Return variable contains a constant value")] ReturnConstant { call_stack: CallStack }, @@ -115,7 +115,7 @@ pub enum InternalWarning { VerifyProof { call_stack: CallStack }, } -#[derive(Debug, PartialEq, Eq, Clone, Error, Serialize, Deserialize)] +#[derive(Debug, PartialEq, Eq, Clone, Error, Serialize, Deserialize, Hash)] pub enum InternalBug { #[error("Input to brillig function is in a separate subgraph to output")] IndependentSubgraph { call_stack: CallStack }, diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa.rs index 97c1760d87c..8f31023f790 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa.rs @@ -44,9 +44,16 @@ mod opt; pub(crate) mod parser; pub mod ssa_gen; +#[derive(Debug, Clone)] +pub enum SsaLogging { + None, + All, + Contains(String), +} + pub struct SsaEvaluatorOptions { /// Emit debug information for the intermediate SSA IR - pub enable_ssa_logging: bool, + pub ssa_logging: SsaLogging, pub enable_brillig_logging: bool, @@ -67,6 +74,11 @@ pub struct SsaEvaluatorOptions { /// The higher the value, the more inlined brillig functions will be. pub inliner_aggressiveness: i64, + + /// Maximum accepted percentage increase in the Brillig bytecode size after unrolling loops. + /// When `None` the size increase check is skipped altogether and any decrease in the SSA + /// instruction count is accepted. + pub max_bytecode_increase_percent: Option, } pub(crate) struct ArtifactsAndWarnings(Artifacts, Vec); @@ -85,46 +97,49 @@ pub(crate) fn optimize_into_acir( let mut ssa = SsaBuilder::new( program, - options.enable_ssa_logging, + options.ssa_logging.clone(), options.force_brillig_output, options.print_codegen_timings, &options.emit_ssa, )? - .run_pass(Ssa::defunctionalize, "After Defunctionalization:") - .run_pass(Ssa::remove_paired_rc, "After Removing Paired rc_inc & rc_decs:") - .run_pass(Ssa::separate_runtime, "After Runtime Separation:") - .run_pass(Ssa::resolve_is_unconstrained, "After Resolving IsUnconstrained:") - .run_pass(|ssa| ssa.inline_functions(options.inliner_aggressiveness), "After Inlining (1st):") + .run_pass(Ssa::defunctionalize, "Defunctionalization") + .run_pass(Ssa::remove_paired_rc, "Removing Paired rc_inc & rc_decs") + .run_pass(Ssa::separate_runtime, "Runtime Separation") + .run_pass(Ssa::resolve_is_unconstrained, "Resolving IsUnconstrained") + .run_pass(|ssa| ssa.inline_functions(options.inliner_aggressiveness), "Inlining (1st)") // Run mem2reg with the CFG separated into blocks - .run_pass(Ssa::mem2reg, "After Mem2Reg (1st):") - .run_pass(Ssa::simplify_cfg, "After Simplifying (1st):") - .run_pass(Ssa::as_slice_optimization, "After `as_slice` optimization") + .run_pass(Ssa::mem2reg, "Mem2Reg (1st)") + .run_pass(Ssa::simplify_cfg, "Simplifying (1st)") + .run_pass(Ssa::as_slice_optimization, "`as_slice` optimization") .try_run_pass( Ssa::evaluate_static_assert_and_assert_constant, - "After `static_assert` and `assert_constant`:", + "`static_assert` and `assert_constant`", + )? + .run_pass(Ssa::loop_invariant_code_motion, "Loop Invariant Code Motion") + .try_run_pass( + |ssa| ssa.unroll_loops_iteratively(options.max_bytecode_increase_percent), + "Unrolling", )? - .run_pass(Ssa::loop_invariant_code_motion, "After Loop Invariant Code Motion:") - .try_run_pass(Ssa::unroll_loops_iteratively, "After Unrolling:")? - .run_pass(Ssa::simplify_cfg, "After Simplifying (2nd):") - .run_pass(Ssa::flatten_cfg, "After Flattening:") - .run_pass(Ssa::remove_bit_shifts, "After Removing Bit Shifts:") + .run_pass(Ssa::simplify_cfg, "Simplifying (2nd)") + .run_pass(Ssa::flatten_cfg, "Flattening") + .run_pass(Ssa::remove_bit_shifts, "After Removing Bit Shifts") // Run mem2reg once more with the flattened CFG to catch any remaining loads/stores - .run_pass(Ssa::mem2reg, "After Mem2Reg (2nd):") + .run_pass(Ssa::mem2reg, "Mem2Reg (2nd)") // Run the inlining pass again to handle functions with `InlineType::NoPredicates`. // Before flattening is run, we treat functions marked with the `InlineType::NoPredicates` as an entry point. // This pass must come immediately following `mem2reg` as the succeeding passes // may create an SSA which inlining fails to handle. .run_pass( |ssa| ssa.inline_functions_with_no_predicates(options.inliner_aggressiveness), - "After Inlining (2nd):", + "Inlining (2nd)", ) - .run_pass(Ssa::remove_if_else, "After Remove IfElse:") - .run_pass(Ssa::fold_constants, "After Constant Folding:") - .run_pass(Ssa::remove_enable_side_effects, "After EnableSideEffectsIf removal:") - .run_pass(Ssa::fold_constants_using_constraints, "After Constraint Folding:") - .run_pass(Ssa::dead_instruction_elimination, "After Dead Instruction Elimination:") - .run_pass(Ssa::simplify_cfg, "After Simplifying:") - .run_pass(Ssa::array_set_optimization, "After Array Set Optimizations:") + .run_pass(Ssa::remove_if_else, "Remove IfElse") + .run_pass(Ssa::fold_constants, "Constant Folding") + .run_pass(Ssa::remove_enable_side_effects, "EnableSideEffectsIf removal") + .run_pass(Ssa::fold_constants_using_constraints, "Constraint Folding") + .run_pass(Ssa::dead_instruction_elimination, "Dead Instruction Elimination (1st)") + .run_pass(Ssa::simplify_cfg, "Simplifying:") + .run_pass(Ssa::array_set_optimization, "Array Set Optimizations") .finish(); let ssa_level_warnings = if options.skip_underconstrained_check { @@ -146,14 +161,11 @@ pub(crate) fn optimize_into_acir( let ssa = SsaBuilder { ssa, - print_ssa_passes: options.enable_ssa_logging, + ssa_logging: options.ssa_logging.clone(), print_codegen_timings: options.print_codegen_timings, } - .run_pass( - |ssa| ssa.fold_constants_with_brillig(&brillig), - "After Constant Folding with Brillig:", - ) - .run_pass(Ssa::dead_instruction_elimination, "After Dead Instruction Elimination:") + .run_pass(|ssa| ssa.fold_constants_with_brillig(&brillig), "Inlining Brillig Calls Inlining") + .run_pass(Ssa::dead_instruction_elimination, "Dead Instruction Elimination (2nd)") .finish(); drop(ssa_gen_span_guard); @@ -226,7 +238,7 @@ impl SsaProgramArtifact { } } -/// Compiles the [`Program`] into [`ACIR``][acvm::acir::circuit::Program]. +/// Compiles the [`Program`] into [`ACIR`][acvm::acir::circuit::Program]. /// /// The output ACIR is backend-agnostic and so must go through a transformation pass before usage in proof generation. #[tracing::instrument(level = "trace", skip_all)] @@ -411,14 +423,14 @@ fn split_public_and_private_inputs( // This is just a convenience object to bundle the ssa with `print_ssa_passes` for debug printing. struct SsaBuilder { ssa: Ssa, - print_ssa_passes: bool, + ssa_logging: SsaLogging, print_codegen_timings: bool, } impl SsaBuilder { fn new( program: Program, - print_ssa_passes: bool, + ssa_logging: SsaLogging, force_brillig_runtime: bool, print_codegen_timings: bool, emit_ssa: &Option, @@ -433,7 +445,7 @@ impl SsaBuilder { let ssa_path = emit_ssa.with_extension("ssa.json"); write_to_file(&serde_json::to_vec(&ssa).unwrap(), &ssa_path); } - Ok(SsaBuilder { print_ssa_passes, print_codegen_timings, ssa }.print("Initial SSA:")) + Ok(SsaBuilder { ssa_logging, print_codegen_timings, ssa }.print("Initial SSA:")) } fn finish(self) -> Ssa { @@ -450,19 +462,28 @@ impl SsaBuilder { } /// The same as `run_pass` but for passes that may fail - fn try_run_pass( - mut self, - pass: fn(Ssa) -> Result, - msg: &str, - ) -> Result { + fn try_run_pass(mut self, pass: F, msg: &str) -> Result + where + F: FnOnce(Ssa) -> Result, + { self.ssa = time(msg, self.print_codegen_timings, || pass(self.ssa))?; Ok(self.print(msg)) } fn print(mut self, msg: &str) -> Self { - if self.print_ssa_passes { + let print_ssa_pass = match &self.ssa_logging { + SsaLogging::None => false, + SsaLogging::All => true, + SsaLogging::Contains(string) => { + let string = string.to_lowercase(); + let string = string.strip_prefix("after ").unwrap_or(&string); + let string = string.strip_suffix(':').unwrap_or(string); + msg.to_lowercase().contains(string) + } + }; + if print_ssa_pass { self.ssa.normalize_ids(); - println!("{msg}\n{}", self.ssa); + println!("After {msg}:\n{}", self.ssa); } self } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/data_bus.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/data_bus.rs index e4a2eeb8c22..bd2585a3bfa 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/data_bus.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/function_builder/data_bus.rs @@ -160,7 +160,7 @@ impl FunctionBuilder { for value in values { self.add_to_data_bus(*value, &mut databus); } - let len = databus.values.len(); + let len = databus.values.len() as u32; let array = (len > 0 && matches!(self.current_function.runtime(), RuntimeType::Acir(_))) .then(|| { @@ -223,9 +223,11 @@ impl FunctionBuilder { ssa_params: &[ValueId], mut flattened_params_databus_visibility: Vec, ) -> Vec { - let ssa_param_sizes: Vec<_> = ssa_params + let ssa_param_sizes: Vec = ssa_params .iter() - .map(|ssa_param| self.current_function.dfg[*ssa_param].get_type().flattened_size()) + .map(|ssa_param| { + self.current_function.dfg[*ssa_param].get_type().flattened_size() as usize + }) .collect(); let mut is_ssa_params_databus = Vec::with_capacity(ssa_params.len()); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/dfg.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/dfg.rs index e3f3f33682b..827944e22d1 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/dfg.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/dfg.rs @@ -307,13 +307,13 @@ impl DataFlowGraph { instruction_id: InstructionId, ctrl_typevars: Option>, ) { - self.results.insert(instruction_id, Default::default()); + let result_types = self.instruction_result_types(instruction_id, ctrl_typevars); + let results = vecmap(result_types.into_iter().enumerate(), |(position, typ)| { + let instruction = instruction_id; + self.values.insert(Value::Instruction { typ, position, instruction }) + }); - // Get all of the types that this instruction produces - // and append them as results. - for typ in self.instruction_result_types(instruction_id, ctrl_typevars) { - self.append_result(instruction_id, typ); - } + self.results.insert(instruction_id, results); } /// Return the result types of this instruction. @@ -370,22 +370,6 @@ impl DataFlowGraph { matches!(self.values[value].get_type(), Type::Reference(_)) } - /// Appends a result type to the instruction. - pub(crate) fn append_result(&mut self, instruction_id: InstructionId, typ: Type) -> ValueId { - let results = self.results.get_mut(&instruction_id).unwrap(); - let expected_res_position = results.len(); - - let value_id = self.values.insert(Value::Instruction { - typ, - position: expected_res_position, - instruction: instruction_id, - }); - - // Add value to the list of results for this instruction - results.push(value_id); - value_id - } - /// Replaces an instruction result with a fresh id. pub(crate) fn replace_result( &mut self, @@ -463,7 +447,7 @@ impl DataFlowGraph { /// If this value is an array, return the length of the array as indicated by its type. /// Otherwise, return None. - pub(crate) fn try_get_array_length(&self, value: ValueId) -> Option { + pub(crate) fn try_get_array_length(&self, value: ValueId) -> Option { match self.type_of_value(value) { Type::Array(_, length) => Some(length), _ => None, diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/function.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/function.rs index b1233e3063e..6413107c04a 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/function.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/function.rs @@ -197,6 +197,12 @@ impl Function { } } +impl Clone for Function { + fn clone(&self) -> Self { + Function::clone_with_id(self.id(), self) + } +} + impl std::fmt::Display for RuntimeType { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { match self { diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction.rs index f606fffbf91..e34e0070d4b 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction.rs @@ -11,7 +11,7 @@ use fxhash::FxHasher64; use iter_extended::vecmap; use noirc_frontend::hir_def::types::Type as HirType; -use crate::ssa::opt::flatten_cfg::value_merger::ValueMerger; +use crate::ssa::{ir::function::RuntimeType, opt::flatten_cfg::value_merger::ValueMerger}; use super::{ basic_block::BasicBlockId, @@ -315,7 +315,12 @@ pub(crate) enum Instruction { /// else_value /// } /// ``` - IfElse { then_condition: ValueId, then_value: ValueId, else_value: ValueId }, + IfElse { + then_condition: ValueId, + then_value: ValueId, + else_condition: ValueId, + else_value: ValueId, + }, /// Creates a new array or slice. /// @@ -389,9 +394,22 @@ impl Instruction { // This should never be side-effectful MakeArray { .. } => false, + // Some binary math can overflow or underflow + Binary(binary) => match binary.operator { + BinaryOp::Add | BinaryOp::Sub | BinaryOp::Mul | BinaryOp::Div | BinaryOp::Mod => { + true + } + BinaryOp::Eq + | BinaryOp::Lt + | BinaryOp::And + | BinaryOp::Or + | BinaryOp::Xor + | BinaryOp::Shl + | BinaryOp::Shr => false, + }, + // These can have different behavior depending on the EnableSideEffectsIf context. - Binary(_) - | Cast(_, _) + Cast(_, _) | Not(_) | Truncate { .. } | IfElse { .. } @@ -478,8 +496,19 @@ impl Instruction { | ArraySet { .. } | MakeArray { .. } => true, + // Store instructions must be removed by DIE in acir code, any load + // instructions should already be unused by that point. + // + // Note that this check assumes that it is being performed after the flattening + // pass and after the last mem2reg pass. This is currently the case for the DIE + // pass where this check is done, but does mean that we cannot perform mem2reg + // after the DIE pass. + Store { .. } => { + matches!(function.runtime(), RuntimeType::Acir(_)) + && function.reachable_blocks().len() == 1 + } + Constrain(..) - | Store { .. } | EnableSideEffectsIf { .. } | IncrementRc { .. } | DecrementRc { .. } @@ -608,11 +637,14 @@ impl Instruction { assert_message: assert_message.clone(), } } - Instruction::IfElse { then_condition, then_value, else_value } => Instruction::IfElse { - then_condition: f(*then_condition), - then_value: f(*then_value), - else_value: f(*else_value), - }, + Instruction::IfElse { then_condition, then_value, else_condition, else_value } => { + Instruction::IfElse { + then_condition: f(*then_condition), + then_value: f(*then_value), + else_condition: f(*else_condition), + else_value: f(*else_value), + } + } Instruction::MakeArray { elements, typ } => Instruction::MakeArray { elements: elements.iter().copied().map(f).collect(), typ: typ.clone(), @@ -671,9 +703,10 @@ impl Instruction { | Instruction::RangeCheck { value, .. } => { f(*value); } - Instruction::IfElse { then_condition, then_value, else_value } => { + Instruction::IfElse { then_condition, then_value, else_condition, else_value } => { f(*then_condition); f(*then_value); + f(*else_condition); f(*else_value); } Instruction::MakeArray { elements, typ: _ } => { @@ -836,7 +869,7 @@ impl Instruction { None } } - Instruction::IfElse { then_condition, then_value, else_value } => { + Instruction::IfElse { then_condition, then_value, else_condition, else_value } => { let typ = dfg.type_of_value(*then_value); if let Some(constant) = dfg.get_numeric_constant(*then_condition) { @@ -855,11 +888,13 @@ impl Instruction { if matches!(&typ, Type::Numeric(_)) { let then_condition = *then_condition; + let else_condition = *else_condition; let result = ValueMerger::merge_numeric_values( dfg, block, then_condition, + else_condition, then_value, else_value, ); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction/call.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction/call.rs index 67222d06ea8..72d781c6e95 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction/call.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/instruction/call.rs @@ -56,11 +56,13 @@ pub(super) fn simplify_call( if let (Some(constant_args), Some(return_type)) = (constant_args, return_type.clone()) { let field = constant_args[0]; let limb_count = if let Type::Array(_, array_len) = return_type { - array_len as u32 + array_len } else { unreachable!("ICE: Intrinsic::ToRadix return type must be array") }; - constant_to_radix(endian, field, 2, limb_count, dfg, block, call_stack) + constant_to_radix(endian, field, 2, limb_count, |values| { + make_constant_array(dfg, values.into_iter(), Type::bool(), block, call_stack) + }) } else { SimplifyResult::None } @@ -71,11 +73,19 @@ pub(super) fn simplify_call( let field = constant_args[0]; let radix = constant_args[1].to_u128() as u32; let limb_count = if let Type::Array(_, array_len) = return_type { - array_len as u32 + array_len } else { unreachable!("ICE: Intrinsic::ToRadix return type must be array") }; - constant_to_radix(endian, field, radix, limb_count, dfg, block, call_stack) + constant_to_radix(endian, field, radix, limb_count, |values| { + make_constant_array( + dfg, + values.into_iter(), + Type::unsigned(8), + block, + call_stack, + ) + }) } else { SimplifyResult::None } @@ -351,7 +361,7 @@ pub(super) fn simplify_call( Intrinsic::IsUnconstrained => SimplifyResult::None, Intrinsic::DerivePedersenGenerators => { if let Some(Type::Array(_, len)) = return_type.clone() { - simplify_derive_generators(dfg, arguments, len as u32, block, call_stack) + simplify_derive_generators(dfg, arguments, len, block, call_stack) } else { unreachable!("Derive Pedersen Generators must return an array"); } @@ -432,8 +442,8 @@ fn simplify_slice_push_back( for elem in &arguments[2..] { slice.push_back(*elem); } - let slice_size = slice.len(); - let element_size = element_type.element_size(); + let slice_size = slice.len() as u32; + let element_size = element_type.element_size() as u32; let new_slice = make_array(dfg, slice, element_type, block, &call_stack); let set_last_slice_value_instr = Instruction::ArraySet { @@ -455,8 +465,12 @@ fn simplify_slice_push_back( let mut value_merger = ValueMerger::new(dfg, block, &mut slice_sizes, unknown, None, call_stack); - let new_slice = - value_merger.merge_values(len_not_equals_capacity, set_last_slice_value, new_slice); + let new_slice = value_merger.merge_values( + len_not_equals_capacity, + len_equals_capacity, + set_last_slice_value, + new_slice, + ); SimplifyResult::SimplifiedToMultiple(vec![new_slice_length, new_slice]) } @@ -622,7 +636,7 @@ fn make_constant_array( let result_constants: im::Vector<_> = results.map(|element| dfg.make_constant(element, typ.clone())).collect(); - let typ = Type::Array(Arc::new(vec![typ]), result_constants.len()); + let typ = Type::Array(Arc::new(vec![typ]), result_constants.len() as u32); make_array(dfg, result_constants, typ, block, call_stack) } @@ -661,9 +675,7 @@ fn constant_to_radix( field: FieldElement, radix: u32, limb_count: u32, - dfg: &mut DataFlowGraph, - block: BasicBlockId, - call_stack: &CallStack, + mut make_array: impl FnMut(Vec) -> ValueId, ) -> SimplifyResult { let bit_size = u32::BITS - (radix - 1).leading_zeros(); let radix_big = BigUint::from(radix); @@ -684,13 +696,7 @@ fn constant_to_radix( if endian == Endian::Big { limbs.reverse(); } - let result_array = make_constant_array( - dfg, - limbs.into_iter(), - Type::unsigned(bit_size), - block, - call_stack, - ); + let result_array = make_array(limbs); SimplifyResult::SimplifiedTo(result_array) } } @@ -817,7 +823,7 @@ fn simplify_derive_generators( results.push(dfg.make_constant(y, Type::field())); results.push(is_infinite); } - let len = results.len(); + let len = results.len() as u32; let typ = Type::Array(vec![Type::field(), Type::field(), Type::unsigned(1)].into(), len / 3); let result = make_array(dfg, results.into(), typ, block, call_stack); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/printer.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/printer.rs index 6bebd21fe61..5a451301d24 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/printer.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/printer.rs @@ -209,11 +209,15 @@ fn display_instruction_inner( Instruction::RangeCheck { value, max_bit_size, .. } => { writeln!(f, "range_check {} to {} bits", show(*value), *max_bit_size,) } - Instruction::IfElse { then_condition, then_value, else_value } => { + Instruction::IfElse { then_condition, then_value, else_condition, else_value } => { let then_condition = show(*then_condition); let then_value = show(*then_value); + let else_condition = show(*else_condition); let else_value = show(*else_value); - writeln!(f, "if {then_condition} then {then_value} else {else_value}") + writeln!( + f, + "if {then_condition} then {then_value} else (if {else_condition}) {else_value}" + ) } Instruction::MakeArray { elements, typ } => { write!(f, "make_array [")?; diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/types.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/types.rs index 130f1d59e46..16f4b8d2431 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/types.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ir/types.rs @@ -75,7 +75,7 @@ pub(crate) enum Type { Reference(Arc), /// An immutable array value with the given element type and length - Array(Arc, usize), + Array(Arc, u32), /// An immutable slice value with a given element type Slice(Arc), @@ -111,7 +111,7 @@ impl Type { } /// Creates the str type, of the given length N - pub(crate) fn str(length: usize) -> Type { + pub(crate) fn str(length: u32) -> Type { Type::Array(Arc::new(vec![Type::char()]), length) } @@ -161,7 +161,7 @@ impl Type { } /// Returns the flattened size of a Type - pub(crate) fn flattened_size(&self) -> usize { + pub(crate) fn flattened_size(&self) -> u32 { match self { Type::Array(elements, len) => { elements.iter().fold(0, |sum, elem| sum + (elem.flattened_size() * len)) diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/as_slice_length.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/as_slice_length.rs index 76705dcc9db..75cdea349b7 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/as_slice_length.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/as_slice_length.rs @@ -33,7 +33,7 @@ impl Function { } } -fn known_slice_lengths(func: &Function) -> HashMap { +fn known_slice_lengths(func: &Function) -> HashMap { let mut known_slice_lengths = HashMap::default(); for block_id in func.reachable_blocks() { let block = &func.dfg[block_id]; @@ -61,7 +61,7 @@ fn known_slice_lengths(func: &Function) -> HashMap { fn replace_known_slice_lengths( func: &mut Function, - known_slice_lengths: HashMap, + known_slice_lengths: HashMap, ) { known_slice_lengths.into_iter().for_each(|(instruction_id, known_length)| { let call_returns = func.dfg.instruction_results(instruction_id); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/constant_folding.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/constant_folding.rs index ceda0c6272f..d1d84c305d2 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/constant_folding.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/constant_folding.rs @@ -149,7 +149,8 @@ impl Function { use_constraint_info: bool, brillig_info: Option, ) { - let mut context = Context::new(self, use_constraint_info, brillig_info); + let mut context = Context::new(use_constraint_info, brillig_info); + let mut dom = DominatorTree::with_function(self); context.block_queue.push_back(self.entry_block()); while let Some(block) = context.block_queue.pop_front() { @@ -158,7 +159,7 @@ impl Function { } context.visited_blocks.insert(block); - context.fold_constants_in_block(self, block); + context.fold_constants_in_block(&mut self.dfg, &mut dom, block); } } } @@ -172,22 +173,15 @@ struct Context<'a> { /// Contains sets of values which are constrained to be equivalent to each other. /// - /// The mapping's structure is `side_effects_enabled_var => (constrained_value => [(block, simplified_value)])`. + /// The mapping's structure is `side_effects_enabled_var => (constrained_value => simplified_value)`. /// /// We partition the maps of constrained values according to the side-effects flag at the point /// at which the values are constrained. This prevents constraints which are only sometimes enforced /// being used to modify the rest of the program. - /// - /// We also keep track of how a value was simplified to other values per block. That is, - /// a same ValueId could have been simplified to one value in one block and to another value - /// in another block. - constraint_simplification_mappings: - HashMap>>, + constraint_simplification_mappings: ConstraintSimplificationCache, // Cache of instructions without any side-effects along with their outputs. cached_instruction_results: InstructionResultCache, - - dom: DominatorTree, } #[derive(Copy, Clone)] @@ -196,9 +190,56 @@ pub(crate) struct BrilligInfo<'a> { brillig_functions: &'a BTreeMap, } +/// Records a simplified equivalents of an [`Instruction`] in the blocks +/// where the constraint that advised the simplification has been encountered. +/// +/// For more information see [`ConstraintSimplificationCache`]. +#[derive(Default)] +struct SimplificationCache { + /// Simplified expressions where we found them. + /// + /// It will always have at least one value because `add` is called + /// after the default is constructed. + simplifications: HashMap, +} + +impl SimplificationCache { + /// Called with a newly encountered simplification. + fn add(&mut self, dfg: &DataFlowGraph, simple: ValueId, block: BasicBlockId) { + self.simplifications + .entry(block) + .and_modify(|existing| { + // `SimplificationCache` may already hold a simplification in this block + // so we check whether `simple` is a better simplification than the current one. + if let Some((_, simpler)) = simplify(dfg, *existing, simple) { + *existing = simpler; + }; + }) + .or_insert(simple); + } + + /// Try to find a simplification in a visible block. + fn get(&self, block: BasicBlockId, dom: &DominatorTree) -> Option { + // Deterministically walk up the dominator chain until we encounter a block that contains a simplification. + dom.find_map_dominator(block, |b| self.simplifications.get(&b).cloned()) + } +} + +/// HashMap from `(side_effects_enabled_var, Instruction)` to a simplified expression that it can +/// be replaced with based on constraints that testify to their equivalence, stored together +/// with the set of blocks at which this constraint has been observed. +/// +/// Only blocks dominated by one in the cache should have access to this information, otherwise +/// we create a sort of time paradox where we replace an instruction with a constant we believe +/// it _should_ equal to, without ever actually producing and asserting the value. +type ConstraintSimplificationCache = HashMap>; + /// HashMap from `(Instruction, side_effects_enabled_var)` to the results of the instruction. /// Stored as a two-level map to avoid cloning Instructions during the `.get` call. /// +/// The `side_effects_enabled_var` is optional because we only use them when `Instruction::requires_acir_gen_predicate` +/// is true _and_ the constraint information is also taken into account. +/// /// In addition to each result, the original BasicBlockId is stored as well. This allows us /// to deduplicate instructions across blocks as long as the new block dominates the original. type InstructionResultCache = HashMap, ResultCache>>; @@ -208,15 +249,11 @@ type InstructionResultCache = HashMap, Resu /// For more information see [`InstructionResultCache`]. #[derive(Default)] struct ResultCache { - results: Vec<(BasicBlockId, Vec)>, + result: Option<(BasicBlockId, Vec)>, } impl<'brillig> Context<'brillig> { - fn new( - function: &Function, - use_constraint_info: bool, - brillig_info: Option>, - ) -> Self { + fn new(use_constraint_info: bool, brillig_info: Option>) -> Self { Self { use_constraint_info, brillig_info, @@ -224,52 +261,65 @@ impl<'brillig> Context<'brillig> { block_queue: Default::default(), constraint_simplification_mappings: Default::default(), cached_instruction_results: Default::default(), - dom: DominatorTree::with_function(function), } } - fn fold_constants_in_block(&mut self, function: &mut Function, block: BasicBlockId) { - let instructions = function.dfg[block].take_instructions(); + fn fold_constants_in_block( + &mut self, + dfg: &mut DataFlowGraph, + dom: &mut DominatorTree, + block: BasicBlockId, + ) { + let instructions = dfg[block].take_instructions(); - let mut side_effects_enabled_var = - function.dfg.make_constant(FieldElement::one(), Type::bool()); + // Default side effect condition variable with an enabled state. + let mut side_effects_enabled_var = dfg.make_constant(FieldElement::one(), Type::bool()); for instruction_id in instructions { self.fold_constants_into_instruction( - &mut function.dfg, + dfg, + dom, block, instruction_id, &mut side_effects_enabled_var, ); } - self.block_queue.extend(function.dfg[block].successors()); + self.block_queue.extend(dfg[block].successors()); } fn fold_constants_into_instruction( &mut self, dfg: &mut DataFlowGraph, - block: BasicBlockId, + dom: &mut DominatorTree, + mut block: BasicBlockId, id: InstructionId, side_effects_enabled_var: &mut ValueId, ) { - let constraint_simplification_mapping = - self.constraint_simplification_mappings.get(side_effects_enabled_var); - let instruction = Self::resolve_instruction( - id, - block, - dfg, - &mut self.dom, - constraint_simplification_mapping, - ); + let constraint_simplification_mapping = self.get_constraint_map(*side_effects_enabled_var); + + let instruction = + Self::resolve_instruction(id, block, dfg, dom, constraint_simplification_mapping); + let old_results = dfg.instruction_results(id).to_vec(); // If a copy of this instruction exists earlier in the block, then reuse the previous results. - if let Some(cached_results) = - self.get_cached(dfg, &instruction, *side_effects_enabled_var, block) + if let Some(cache_result) = + self.get_cached(dfg, dom, &instruction, *side_effects_enabled_var, block) { - Self::replace_result_ids(dfg, &old_results, cached_results); - return; - } + match cache_result { + CacheResult::Cached(cached) => { + Self::replace_result_ids(dfg, &old_results, cached); + return; + } + CacheResult::NeedToHoistToCommonBlock(dominator) => { + // Just change the block to insert in the common dominator instead. + // This will only move the current instance of the instruction right now. + // When constant folding is run a second time later on, it'll catch + // that the previous instance can be deduplicated to this instance. + block = dominator; + } + } + }; let new_results = // First try to inline a call to a brillig function with all constant arguments. @@ -314,7 +364,7 @@ impl<'brillig> Context<'brillig> { block: BasicBlockId, dfg: &DataFlowGraph, dom: &mut DominatorTree, - constraint_simplification_mapping: Option<&HashMap>>, + constraint_simplification_mapping: &HashMap, ) -> Instruction { let instruction = dfg[instruction_id].clone(); @@ -324,30 +374,28 @@ impl<'brillig> Context<'brillig> { // This allows us to reach a stable final `ValueId` for each instruction input as we add more // constraints to the cache. fn resolve_cache( + block: BasicBlockId, dfg: &DataFlowGraph, dom: &mut DominatorTree, - cache: Option<&HashMap>>, + cache: &HashMap, value_id: ValueId, - block: BasicBlockId, ) -> ValueId { let resolved_id = dfg.resolve(value_id); - let Some(cached_values) = cache.and_then(|cache| cache.get(&resolved_id)) else { - return resolved_id; - }; - - for (cached_block, cached_value) in cached_values { - // We can only use the simplified value if it was simplified in a block that dominates the current one - if dom.dominates(*cached_block, block) { - return resolve_cache(dfg, dom, cache, *cached_value, block); + match cache.get(&resolved_id) { + Some(simplification_cache) => { + if let Some(simplified) = simplification_cache.get(block, dom) { + resolve_cache(block, dfg, dom, cache, simplified) + } else { + resolved_id + } } + None => resolved_id, } - - resolved_id } // Resolve any inputs to ensure that we're comparing like-for-like instructions. instruction.map_values(|value_id| { - resolve_cache(dfg, dom, constraint_simplification_mapping, value_id, block) + resolve_cache(block, dfg, dom, constraint_simplification_mapping, value_id) }) } @@ -398,11 +446,36 @@ impl<'brillig> Context<'brillig> { self.get_constraint_map(side_effects_enabled_var) .entry(complex) .or_default() - .push((block, simple)); + .add(dfg, simple, block); } } } + // If we have an array get whose value is from an array set on the same array at the same index, + // we can simplify that array get to the value of the previous array set. + // + // For example: + // v3 = array_set v0, index v1, value v2 + // v4 = array_get v3, index v1 -> Field + // + // We know that `v4` can be simplified to `v2`. + // Thus, even if the index is dynamic (meaning the array get would have side effects), + // we can simplify the operation when we take into account the predicate. + if let Instruction::ArraySet { index, value, .. } = &instruction { + let use_predicate = + self.use_constraint_info && instruction.requires_acir_gen_predicate(dfg); + let predicate = use_predicate.then_some(side_effects_enabled_var); + + let array_get = Instruction::ArrayGet { array: instruction_results[0], index: *index }; + + self.cached_instruction_results + .entry(array_get) + .or_default() + .entry(predicate) + .or_default() + .cache(block, vec![*value]); + } + // If the instruction doesn't have side-effects and if it won't interact with enable_side_effects during acir_gen, // we cache the results so we can reuse them if the same instruction appears again later in the block. // Others have side effects representing failure, which are implicit in the ACIR code and can also be deduplicated. @@ -420,10 +493,12 @@ impl<'brillig> Context<'brillig> { } } + /// Get the simplification mapping from complex to simpler instructions, + /// which all depend on the same side effect condition variable. fn get_constraint_map( &mut self, side_effects_enabled_var: ValueId, - ) -> &mut HashMap> { + ) -> &mut HashMap { self.constraint_simplification_mappings.entry(side_effects_enabled_var).or_default() } @@ -438,19 +513,20 @@ impl<'brillig> Context<'brillig> { } } - fn get_cached<'a>( - &'a mut self, + /// Get a cached result if it can be used in this context. + fn get_cached( + &self, dfg: &DataFlowGraph, + dom: &mut DominatorTree, instruction: &Instruction, side_effects_enabled_var: ValueId, block: BasicBlockId, - ) -> Option<&'a [ValueId]> { + ) -> Option { let results_for_instruction = self.cached_instruction_results.get(instruction)?; - let predicate = self.use_constraint_info && instruction.requires_acir_gen_predicate(dfg); let predicate = predicate.then_some(side_effects_enabled_var); - results_for_instruction.get(&predicate)?.get(block, &mut self.dom) + results_for_instruction.get(&predicate)?.get(block, dom, instruction.has_side_effects(dfg)) } /// Checks if the given instruction is a call to a brillig function with all constant arguments. @@ -617,7 +693,9 @@ impl<'brillig> Context<'brillig> { impl ResultCache { /// Records that an `Instruction` in block `block` produced the result values `results`. fn cache(&mut self, block: BasicBlockId, results: Vec) { - self.results.push((block, results)); + if self.result.is_none() { + self.result = Some((block, results)); + } } /// Returns a set of [`ValueId`]s produced from a copy of this [`Instruction`] which sits @@ -626,13 +704,23 @@ impl ResultCache { /// We require that the cached instruction's block dominates `block` in order to avoid /// cycles causing issues (e.g. two instructions being replaced with the results of each other /// such that neither instruction exists anymore.) - fn get(&self, block: BasicBlockId, dom: &mut DominatorTree) -> Option<&[ValueId]> { - for (origin_block, results) in &self.results { + fn get( + &self, + block: BasicBlockId, + dom: &mut DominatorTree, + has_side_effects: bool, + ) -> Option { + self.result.as_ref().and_then(|(origin_block, results)| { if dom.dominates(*origin_block, block) { - return Some(results); + Some(CacheResult::Cached(results)) + } else if !has_side_effects { + // Insert a copy of this instruction in the common dominator + let dominator = dom.common_dominator(*origin_block, block); + Some(CacheResult::NeedToHoistToCommonBlock(dominator)) + } else { + None } - } - None + }) } } @@ -663,7 +751,7 @@ pub(crate) fn type_to_brillig_parameter(typ: &Type) -> Option for item_typ in item_type.iter() { parameters.push(type_to_brillig_parameter(item_typ)?); } - Some(BrilligParameter::Array(parameters, *size)) + Some(BrilligParameter::Array(parameters, *size as usize)) } _ => None, } @@ -940,32 +1028,22 @@ mod test { // Regression for #4600 #[test] fn array_get_regression() { - // fn main f0 { - // b0(v0: u1, v1: u64): - // enable_side_effects_if v0 - // v2 = make_array [Field 0, Field 1] - // v3 = array_get v2, index v1 - // v4 = not v0 - // enable_side_effects_if v4 - // v5 = array_get v2, index v1 - // } - // // We want to make sure after constant folding both array_gets remain since they are // under different enable_side_effects_if contexts and thus one may be disabled while // the other is not. If one is removed, it is possible e.g. v4 is replaced with v2 which // is disabled (only gets from index 0) and thus returns the wrong result. let src = " - acir(inline) fn main f0 { - b0(v0: u1, v1: u64): - enable_side_effects v0 - v4 = make_array [Field 0, Field 1] : [Field; 2] - v5 = array_get v4, index v1 -> Field - v6 = not v0 - enable_side_effects v6 - v7 = array_get v4, index v1 -> Field - return - } - "; + acir(inline) fn main f0 { + b0(v0: u1, v1: u64): + enable_side_effects v0 + v4 = make_array [Field 0, Field 1] : [Field; 2] + v5 = array_get v4, index v1 -> Field + v6 = not v0 + enable_side_effects v6 + v7 = array_get v4, index v1 -> Field + return + } + "; let ssa = Ssa::from_str(src).unwrap(); // Expected output is unchanged @@ -1032,7 +1110,6 @@ mod test { // v5 = call keccakf1600(v1) // v6 = call keccakf1600(v2) // } - // // Here we're checking a situation where two identical arrays are being initialized twice and being assigned separate `ValueId`s. // This would result in otherwise identical instructions not being deduplicated. let main_id = Id::test_new(0); @@ -1083,6 +1160,106 @@ mod test { assert_eq!(ending_instruction_count, 2); } + #[test] + fn deduplicate_across_blocks() { + // fn main f0 { + // b0(v0: u1): + // v1 = not v0 + // jmp b1() + // b1(): + // v2 = not v0 + // return v2 + // } + let main_id = Id::test_new(0); + + // Compiling main + let mut builder = FunctionBuilder::new("main".into(), main_id); + let b1 = builder.insert_block(); + + let v0 = builder.add_parameter(Type::bool()); + let _v1 = builder.insert_not(v0); + builder.terminate_with_jmp(b1, Vec::new()); + + builder.switch_to_block(b1); + let v2 = builder.insert_not(v0); + builder.terminate_with_return(vec![v2]); + + let ssa = builder.finish(); + let main = ssa.main(); + assert_eq!(main.dfg[main.entry_block()].instructions().len(), 1); + assert_eq!(main.dfg[b1].instructions().len(), 1); + + // Expected output: + // + // fn main f0 { + // b0(v0: u1): + // v1 = not v0 + // jmp b1() + // b1(): + // return v1 + // } + let ssa = ssa.fold_constants_using_constraints(); + let main = ssa.main(); + assert_eq!(main.dfg[main.entry_block()].instructions().len(), 1); + assert_eq!(main.dfg[b1].instructions().len(), 0); + } + + #[test] + fn deduplicate_across_non_dominated_blocks() { + let src = " + brillig(inline) fn main f0 { + b0(v0: u32): + v2 = lt u32 1000, v0 + jmpif v2 then: b1, else: b2 + b1(): + v4 = shl v0, u32 1 + v5 = lt v0, v4 + constrain v5 == u1 1 + jmp b2() + b2(): + v7 = lt u32 1000, v0 + jmpif v7 then: b3, else: b4 + b3(): + v8 = shl v0, u32 1 + v9 = lt v0, v8 + constrain v9 == u1 1 + jmp b4() + b4(): + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + // v4 has been hoisted, although: + // - v5 has not yet been removed since it was encountered earlier in the program + // - v8 hasn't been recognized as a duplicate of v6 yet since they still reference v4 and + // v5 respectively + let expected = " + brillig(inline) fn main f0 { + b0(v0: u32): + v2 = lt u32 1000, v0 + v4 = shl v0, u32 1 + jmpif v2 then: b1, else: b2 + b1(): + v5 = shl v0, u32 1 + v6 = lt v0, v5 + constrain v6 == u1 1 + jmp b2() + b2(): + jmpif v2 then: b3, else: b4 + b3(): + v8 = lt v0, v4 + constrain v8 == u1 1 + jmp b4() + b4(): + return + } + "; + + let ssa = ssa.fold_constants_using_constraints(); + assert_normalized_ssa_equals(ssa, expected); + } + #[test] fn inlines_brillig_call_without_arguments() { let src = " @@ -1260,46 +1437,158 @@ mod test { } #[test] - fn deduplicate_across_blocks() { - // fn main f0 { - // b0(v0: u1): - // v1 = not v0 - // jmp b1() - // b1(): - // v2 = not v0 - // return v2 - // } - let main_id = Id::test_new(0); + fn does_not_use_cached_constrain_in_block_that_is_not_dominated() { + let src = " + brillig(inline) fn main f0 { + b0(v0: Field, v1: Field): + v3 = eq v0, Field 0 + jmpif v3 then: b1, else: b2 + b1(): + v5 = eq v1, Field 1 + constrain v1 == Field 1 + jmp b2() + b2(): + v6 = eq v1, Field 0 + constrain v1 == Field 0 + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); + let ssa = ssa.fold_constants_using_constraints(); + assert_normalized_ssa_equals(ssa, src); + } - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let b1 = builder.insert_block(); + #[test] + fn does_not_hoist_constrain_to_common_ancestor() { + let src = " + brillig(inline) fn main f0 { + b0(v0: Field, v1: Field): + v3 = eq v0, Field 0 + jmpif v3 then: b1, else: b2 + b1(): + constrain v1 == Field 1 + jmp b2() + b2(): + jmpif v0 then: b3, else: b4 + b3(): + constrain v1 == Field 1 // This was incorrectly hoisted to b0 but this condition is not valid when going b0 -> b2 -> b4 + jmp b4() + b4(): + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); + let ssa = ssa.fold_constants_using_constraints(); + assert_normalized_ssa_equals(ssa, src); + } - let v0 = builder.add_parameter(Type::bool()); - let _v1 = builder.insert_not(v0); - builder.terminate_with_jmp(b1, Vec::new()); + #[test] + fn does_not_hoist_sub_to_common_ancestor() { + let src = " + acir(inline) fn main f0 { + b0(v0: u32): + v2 = eq v0, u32 0 + jmpif v2 then: b4, else: b1 + b4(): + v5 = sub v0, u32 1 + jmp b5() + b5(): + return + b1(): + jmpif v0 then: b3, else: b2 + b3(): + v4 = sub v0, u32 1 // We can't hoist this because v0 is zero here and it will lead to an underflow + jmp b5() + b2(): + jmp b5() + } + "; + let ssa = Ssa::from_str(src).unwrap(); + let ssa = ssa.fold_constants_using_constraints(); + assert_normalized_ssa_equals(ssa, src); + } - builder.switch_to_block(b1); - let v2 = builder.insert_not(v0); - builder.terminate_with_return(vec![v2]); + #[test] + fn deduplicates_side_effecting_intrinsics() { + let src = " + // After EnableSideEffectsIf removal: + acir(inline) fn main f0 { + b0(v0: Field, v1: Field, v2: u1): + v4 = call is_unconstrained() -> u1 + v7 = call to_be_radix(v0, u32 256) -> [u8; 1] // `a.to_be_radix(256)`; + inc_rc v7 + v8 = call to_be_radix(v0, u32 256) -> [u8; 1] // duplicate load of `a` + inc_rc v8 + v9 = cast v2 as Field // `if c { a.to_be_radix(256) }` + v10 = mul v0, v9 // attaching `c` to `a` + v11 = call to_be_radix(v10, u32 256) -> [u8; 1] // calling `to_radix(c * a)` + inc_rc v11 + enable_side_effects v2 // side effect var for `c` shifted down by removal + return + } + "; + let ssa = Ssa::from_str(src).unwrap(); + let expected = " + acir(inline) fn main f0 { + b0(v0: Field, v1: Field, v2: u1): + v4 = call is_unconstrained() -> u1 + v7 = call to_be_radix(v0, u32 256) -> [u8; 1] + inc_rc v7 + inc_rc v7 + v8 = cast v2 as Field + v9 = mul v0, v8 + v10 = call to_be_radix(v9, u32 256) -> [u8; 1] + inc_rc v10 + enable_side_effects v2 + return + } + "; + let ssa = ssa.fold_constants_using_constraints(); + assert_normalized_ssa_equals(ssa, expected); + } - let ssa = builder.finish(); - let main = ssa.main(); - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 1); - assert_eq!(main.dfg[b1].instructions().len(), 1); + #[test] + fn array_get_from_array_set_with_different_predicates() { + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 3], v1: u32, v2: Field): + enable_side_effects u1 0 + v4 = array_set v0, index v1, value v2 + enable_side_effects u1 1 + v6 = array_get v4, index v1 -> Field + return v6 + } + "; + + let ssa = Ssa::from_str(src).unwrap(); - // Expected output: - // - // fn main f0 { - // b0(v0: u1): - // v1 = not v0 - // jmp b1() - // b1(): - // return v1 - // } let ssa = ssa.fold_constants_using_constraints(); - let main = ssa.main(); - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 1); - assert_eq!(main.dfg[b1].instructions().len(), 0); + // We expect the code to be unchanged + assert_normalized_ssa_equals(ssa, src); + } + + #[test] + fn array_get_from_array_set_same_predicates() { + let src = " + acir(inline) fn main f0 { + b0(v0: [Field; 3], v1: u32, v2: Field): + enable_side_effects u1 1 + v4 = array_set v0, index v1, value v2 + v6 = array_get v4, index v1 -> Field + return v6 + } + "; + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(v0: [Field; 3], v1: u32, v2: Field): + enable_side_effects u1 1 + v4 = array_set v0, index v1, value v2 + return v2 + } + "; + let ssa = ssa.fold_constants_using_constraints(); + assert_normalized_ssa_equals(ssa, expected); } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/die.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/die.rs index 8d3fa9cc615..e331efda894 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/die.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/die.rs @@ -1,6 +1,6 @@ //! Dead Instruction Elimination (DIE) pass: Removes any instruction without side-effects for //! which the results are unused. -use fxhash::{FxHashMap as HashMap, FxHashSet as HashSet}; +use fxhash::FxHashSet as HashSet; use im::Vector; use noirc_errors::Location; use rayon::iter::{IntoParallelRefMutIterator, ParallelIterator}; @@ -18,8 +18,6 @@ use crate::ssa::{ ssa_gen::{Ssa, SSA_WORD_SIZE}, }; -use super::rc::{pop_rc_for, RcInstruction}; - impl Ssa { /// Performs Dead Instruction Elimination (DIE) to remove any instructions with /// unused results. @@ -108,8 +106,6 @@ impl Context { let instructions_len = block.instructions().len(); - let mut rc_tracker = RcTracker::default(); - // Indexes of instructions that might be out of bounds. // We'll remove those, but before that we'll insert bounds checks for them. let mut possible_index_out_of_bounds_indexes = Vec::new(); @@ -127,8 +123,9 @@ impl Context { .push(instructions_len - instruction_index - 1); } } else { - use Instruction::*; - if matches!(instruction, IncrementRc { .. } | DecrementRc { .. }) { + // We can't remove rc instructions if they're loaded from a reference + // since we'd have no way of knowing whether the reference is still used. + if Self::is_inc_dec_instruction_on_known_array(instruction, &function.dfg) { self.rc_instructions.push((*instruction_id, block_id)); } else { instruction.for_each_value(|value| { @@ -136,13 +133,8 @@ impl Context { }); } } - - rc_tracker.track_inc_rcs_to_remove(*instruction_id, function); } - self.instructions_to_remove.extend(rc_tracker.get_non_mutated_arrays()); - self.instructions_to_remove.extend(rc_tracker.rc_pairs_to_remove); - // If there are some instructions that might trigger an out of bounds error, // first add constrain checks. Then run the DIE pass again, which will remove those // but leave the constrains (any any value needed by those constrains) @@ -337,6 +329,28 @@ impl Context { inserted_check } + + /// True if this is a `Instruction::IncrementRc` or `Instruction::DecrementRc` + /// operating on an array directly from a `Instruction::MakeArray` or an + /// intrinsic known to return a fresh array. + fn is_inc_dec_instruction_on_known_array( + instruction: &Instruction, + dfg: &DataFlowGraph, + ) -> bool { + use Instruction::*; + if let IncrementRc { value } | DecrementRc { value } = instruction { + if let Value::Instruction { instruction, .. } = &dfg[*value] { + return match &dfg[*instruction] { + MakeArray { .. } => true, + Call { func, .. } => { + matches!(&dfg[*func], Value::Intrinsic(_) | Value::ForeignFunction(_)) + } + _ => false, + }; + } + } + false + } } fn instruction_might_result_in_out_of_bounds( @@ -499,103 +513,6 @@ fn apply_side_effects( (lhs, rhs) } -#[derive(Default)] -struct RcTracker { - // We can track IncrementRc instructions per block to determine whether they are useless. - // IncrementRc and DecrementRc instructions are normally side effectual instructions, but we remove - // them if their value is not used anywhere in the function. However, even when their value is used, their existence - // is pointless logic if there is no array set between the increment and the decrement of the reference counter. - // We track per block whether an IncrementRc instruction has a paired DecrementRc instruction - // with the same value but no array set in between. - // If we see an inc/dec RC pair within a block we can safely remove both instructions. - rcs_with_possible_pairs: HashMap>, - rc_pairs_to_remove: HashSet, - // We also separately track all IncrementRc instructions and all arrays which have been mutably borrowed. - // If an array has not been mutably borrowed we can then safely remove all IncrementRc instructions on that array. - inc_rcs: HashMap>, - mut_borrowed_arrays: HashSet, - // The SSA often creates patterns where after simplifications we end up with repeat - // IncrementRc instructions on the same value. We track whether the previous instruction was an IncrementRc, - // and if the current instruction is also an IncrementRc on the same value we remove the current instruction. - // `None` if the previous instruction was anything other than an IncrementRc - previous_inc_rc: Option, -} - -impl RcTracker { - fn track_inc_rcs_to_remove(&mut self, instruction_id: InstructionId, function: &Function) { - let instruction = &function.dfg[instruction_id]; - - if let Instruction::IncrementRc { value } = instruction { - if let Some(previous_value) = self.previous_inc_rc { - if previous_value == *value { - self.rc_pairs_to_remove.insert(instruction_id); - } - } - self.previous_inc_rc = Some(*value); - } else { - self.previous_inc_rc = None; - } - - // DIE loops over a block in reverse order, so we insert an RC instruction for possible removal - // when we see a DecrementRc and check whether it was possibly mutated when we see an IncrementRc. - match instruction { - Instruction::IncrementRc { value } => { - if let Some(inc_rc) = - pop_rc_for(*value, function, &mut self.rcs_with_possible_pairs) - { - if !inc_rc.possibly_mutated { - self.rc_pairs_to_remove.insert(inc_rc.id); - self.rc_pairs_to_remove.insert(instruction_id); - } - } - - self.inc_rcs.entry(*value).or_default().insert(instruction_id); - } - Instruction::DecrementRc { value } => { - let typ = function.dfg.type_of_value(*value); - - // We assume arrays aren't mutated until we find an array_set - let dec_rc = - RcInstruction { id: instruction_id, array: *value, possibly_mutated: false }; - self.rcs_with_possible_pairs.entry(typ).or_default().push(dec_rc); - } - Instruction::ArraySet { array, .. } => { - let typ = function.dfg.type_of_value(*array); - if let Some(dec_rcs) = self.rcs_with_possible_pairs.get_mut(&typ) { - for dec_rc in dec_rcs { - dec_rc.possibly_mutated = true; - } - } - - self.mut_borrowed_arrays.insert(*array); - } - Instruction::Store { value, .. } => { - // We are very conservative and say that any store of an array value means it has the potential - // to be mutated. This is done due to the tracking of mutable borrows still being per block. - let typ = function.dfg.type_of_value(*value); - if matches!(&typ, Type::Array(..) | Type::Slice(..)) { - self.mut_borrowed_arrays.insert(*value); - } - } - _ => {} - } - } - - fn get_non_mutated_arrays(&self) -> HashSet { - self.inc_rcs - .keys() - .filter_map(|value| { - if !self.mut_borrowed_arrays.contains(value) { - Some(&self.inc_rcs[value]) - } else { - None - } - }) - .flatten() - .copied() - .collect() - } -} #[cfg(test)] mod test { use std::sync::Arc; @@ -604,7 +521,7 @@ mod test { use crate::ssa::{ function_builder::FunctionBuilder, - ir::{instruction::Instruction, map::Id, types::Type}, + ir::{map::Id, types::Type}, opt::assert_normalized_ssa_equals, Ssa, }; @@ -676,30 +593,6 @@ mod test { assert_normalized_ssa_equals(ssa, expected); } - #[test] - fn remove_useless_paired_rcs_even_when_used() { - let src = " - acir(inline) fn main f0 { - b0(v0: [Field; 2]): - inc_rc v0 - v2 = array_get v0, index u32 0 -> Field - dec_rc v0 - return v2 - } - "; - let ssa = Ssa::from_str(src).unwrap(); - - let expected = " - acir(inline) fn main f0 { - b0(v0: [Field; 2]): - v2 = array_get v0, index u32 0 -> Field - return v2 - } - "; - let ssa = ssa.dead_instruction_elimination(); - assert_normalized_ssa_equals(ssa, expected); - } - #[test] fn keep_paired_rcs_with_array_set() { let src = " @@ -770,92 +663,23 @@ mod test { } #[test] - fn keep_inc_rc_on_borrowed_array_set() { - // acir(inline) fn main f0 { - // b0(v0: [u32; 2]): - // inc_rc v0 - // v3 = array_set v0, index u32 0, value u32 1 - // inc_rc v0 - // inc_rc v0 - // inc_rc v0 - // v4 = array_get v3, index u32 1 - // return v4 - // } - let main_id = Id::test_new(0); - - // Compiling main - let mut builder = FunctionBuilder::new("main".into(), main_id); - let array_type = Type::Array(Arc::new(vec![Type::unsigned(32)]), 2); - let v0 = builder.add_parameter(array_type.clone()); - builder.increment_array_reference_count(v0); - let zero = builder.numeric_constant(0u128, Type::unsigned(32)); - let one = builder.numeric_constant(1u128, Type::unsigned(32)); - let v3 = builder.insert_array_set(v0, zero, one); - builder.increment_array_reference_count(v0); - builder.increment_array_reference_count(v0); - builder.increment_array_reference_count(v0); - - let v4 = builder.insert_array_get(v3, one, Type::unsigned(32)); - - builder.terminate_with_return(vec![v4]); - - let ssa = builder.finish(); - let main = ssa.main(); - - // The instruction count never includes the terminator instruction - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 6); - - // We expect the output to be unchanged - // Expected output: - // - // acir(inline) fn main f0 { - // b0(v0: [u32; 2]): - // inc_rc v0 - // v3 = array_set v0, index u32 0, value u32 1 - // inc_rc v0 - // v4 = array_get v3, index u32 1 - // return v4 - // } - let ssa = ssa.dead_instruction_elimination(); - let main = ssa.main(); - - let instructions = main.dfg[main.entry_block()].instructions(); - // We expect only the repeated inc_rc instructions to be collapsed into a single inc_rc. - assert_eq!(instructions.len(), 4); - - assert!(matches!(&main.dfg[instructions[0]], Instruction::IncrementRc { .. })); - assert!(matches!(&main.dfg[instructions[1]], Instruction::ArraySet { .. })); - assert!(matches!(&main.dfg[instructions[2]], Instruction::IncrementRc { .. })); - assert!(matches!(&main.dfg[instructions[3]], Instruction::ArrayGet { .. })); - } - - #[test] - fn remove_inc_rcs_that_are_never_mutably_borrowed() { + fn does_not_remove_inc_or_dec_rc_of_if_they_are_loaded_from_a_reference() { let src = " - acir(inline) fn main f0 { - b0(v0: [Field; 2]): - inc_rc v0 - inc_rc v0 - inc_rc v0 - v2 = array_get v0, index u32 0 -> Field - inc_rc v0 - return v2 + brillig(inline) fn borrow_mut f0 { + b0(v0: &mut [Field; 3]): + v1 = load v0 -> [Field; 3] + inc_rc v1 // this one shouldn't be removed + v2 = load v0 -> [Field; 3] + inc_rc v2 // this one shouldn't be removed + v3 = load v0 -> [Field; 3] + v6 = array_set v3, index u32 0, value Field 5 + store v6 at v0 + dec_rc v6 + return } "; let ssa = Ssa::from_str(src).unwrap(); - let main = ssa.main(); - - // The instruction count never includes the terminator instruction - assert_eq!(main.dfg[main.entry_block()].instructions().len(), 5); - - let expected = " - acir(inline) fn main f0 { - b0(v0: [Field; 2]): - v2 = array_get v0, index u32 0 -> Field - return v2 - } - "; let ssa = ssa.dead_instruction_elimination(); - assert_normalized_ssa_equals(ssa, expected); + assert_normalized_ssa_equals(ssa, src); } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg.rs index 5d114672a55..3fbccf93ec9 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg.rs @@ -131,8 +131,7 @@ //! v11 = mul v4, Field 12 //! v12 = add v10, v11 //! store v12 at v5 (new store) -use fxhash::FxHashMap as HashMap; -use std::collections::{BTreeMap, HashSet}; +use fxhash::{FxHashMap as HashMap, FxHashSet as HashSet}; use acvm::{acir::AcirField, acir::BlackBoxFunc, FieldElement}; use iter_extended::vecmap; @@ -186,18 +185,6 @@ struct Context<'f> { /// Maps start of branch -> end of branch branch_ends: HashMap, - /// Maps an address to the old and new value of the element at that address - /// These only hold stores for one block at a time and is cleared - /// between inlining of branches. - store_values: HashMap, - - /// Stores all allocations local to the current branch. - /// Since these branches are local to the current branch (ie. only defined within one branch of - /// an if expression), they should not be merged with their previous value or stored value in - /// the other branch since there is no such value. The ValueId here is that which is returned - /// by the allocate instruction. - local_allocations: HashSet, - /// A stack of each jmpif condition that was taken to reach a particular point in the program. /// When two branches are merged back into one, this constitutes a join point, and is analogous /// to the rest of the program after an if statement. When such a join point / end block is @@ -214,13 +201,15 @@ struct Context<'f> { /// When processing a block, we pop this stack to get its arguments /// and at the end we push the arguments for his successor arguments_stack: Vec>, -} -#[derive(Clone)] -pub(crate) struct Store { - old_value: ValueId, - new_value: ValueId, - call_stack: CallStack, + /// Stores all allocations local to the current branch. + /// + /// Since these branches are local to the current branch (i.e. only defined within one branch of + /// an if expression), they should not be merged with their previous value or stored value in + /// the other branch since there is no such value. + /// + /// The `ValueId` here is that which is returned by the allocate instruction. + local_allocations: HashSet, } #[derive(Clone)] @@ -231,8 +220,6 @@ struct ConditionalBranch { old_condition: ValueId, // The condition of the branch condition: ValueId, - // The store values accumulated when processing the branch - store_values: HashMap, // The allocations accumulated when processing the branch local_allocations: HashSet, } @@ -263,12 +250,11 @@ fn flatten_function_cfg(function: &mut Function, no_predicates: &HashMap Context<'f> { let old_condition = *condition; let then_condition = self.inserter.resolve(old_condition); - let old_stores = std::mem::take(&mut self.store_values); let old_allocations = std::mem::take(&mut self.local_allocations); let branch = ConditionalBranch { old_condition, condition: self.link_condition(then_condition), - store_values: old_stores, - local_allocations: old_allocations, last_block: *then_destination, + local_allocations: old_allocations, }; let cond_context = ConditionalContext { condition: then_condition, @@ -473,19 +457,12 @@ impl<'f> Context<'f> { ); let else_condition = self.link_condition(else_condition); - // Make sure the else branch sees the previous values of each store - // rather than any values created in the 'then' branch. - let old_stores = std::mem::take(&mut cond_context.then_branch.store_values); - cond_context.then_branch.store_values = std::mem::take(&mut self.store_values); - self.undo_stores_in_then_branch(&cond_context.then_branch.store_values); - let old_allocations = std::mem::take(&mut self.local_allocations); let else_branch = ConditionalBranch { old_condition: cond_context.then_branch.old_condition, condition: else_condition, - store_values: old_stores, - local_allocations: old_allocations, last_block: *block, + local_allocations: old_allocations, }; cond_context.then_branch.local_allocations.clear(); cond_context.else_branch = Some(else_branch); @@ -509,10 +486,8 @@ impl<'f> Context<'f> { } let mut else_branch = cond_context.else_branch.unwrap(); - let stores_in_branch = std::mem::replace(&mut self.store_values, else_branch.store_values); self.local_allocations = std::mem::take(&mut else_branch.local_allocations); else_branch.last_block = *block; - else_branch.store_values = stores_in_branch; cond_context.else_branch = Some(else_branch); // We must remember to reset whether side effects are enabled when both branches @@ -562,7 +537,11 @@ impl<'f> Context<'f> { let args = vecmap(then_args.iter().zip(else_args), |(then_arg, else_arg)| { (self.inserter.resolve(*then_arg), self.inserter.resolve(else_arg)) }); - + let else_condition = if let Some(branch) = cond_context.else_branch { + branch.condition + } else { + self.inserter.function.dfg.make_constant(FieldElement::zero(), Type::bool()) + }; let block = self.inserter.function.entry_block(); // Cannot include this in the previous vecmap since it requires exclusive access to self @@ -570,6 +549,7 @@ impl<'f> Context<'f> { let instruction = Instruction::IfElse { then_condition: cond_context.then_branch.condition, then_value: then_arg, + else_condition, else_value: else_arg, }; let call_stack = cond_context.call_stack.clone(); @@ -580,8 +560,6 @@ impl<'f> Context<'f> { .first() }); - let call_stack = cond_context.call_stack; - self.merge_stores(cond_context.then_branch, cond_context.else_branch, call_stack); self.arguments_stack.pop(); self.arguments_stack.pop(); self.arguments_stack.push(args); @@ -636,116 +614,29 @@ impl<'f> Context<'f> { self.insert_instruction_with_typevars(enable_side_effects, None, call_stack); } - /// Merge any store instructions found in each branch. - /// - /// This function relies on the 'then' branch being merged before the 'else' branch of a jmpif - /// instruction. If this ordering is changed, the ordering that store values are merged within - /// this function also needs to be changed to reflect that. - fn merge_stores( - &mut self, - then_branch: ConditionalBranch, - else_branch: Option, - call_stack: CallStack, - ) { - // Address -> (then_value, else_value, value_before_the_if) - let mut new_map = BTreeMap::new(); - - for (address, store) in then_branch.store_values { - new_map.insert(address, (store.new_value, store.old_value, store.old_value)); - } - - if else_branch.is_some() { - for (address, store) in else_branch.clone().unwrap().store_values { - if let Some(entry) = new_map.get_mut(&address) { - entry.1 = store.new_value; - } else { - new_map.insert(address, (store.old_value, store.new_value, store.old_value)); - } - } - } - - let then_condition = then_branch.condition; - let block = self.inserter.function.entry_block(); - - // Merging must occur in a separate loop as we cannot borrow `self` as mutable while `value_merger` does - let mut new_values = HashMap::default(); - for (address, (then_case, else_case, _)) in &new_map { - let instruction = Instruction::IfElse { - then_condition, - then_value: *then_case, - else_value: *else_case, - }; - let dfg = &mut self.inserter.function.dfg; - let value = dfg - .insert_instruction_and_results(instruction, block, None, call_stack.clone()) - .first(); - - new_values.insert(address, value); - } - - // Replace stores with new merged values - for (address, (_, _, old_value)) in &new_map { - let value = new_values[address]; - let address = *address; - self.insert_instruction_with_typevars( - Instruction::Store { address, value }, - None, - call_stack.clone(), - ); - - if let Some(store) = self.store_values.get_mut(&address) { - store.new_value = value; - } else { - self.store_values.insert( - address, - Store { - old_value: *old_value, - new_value: value, - call_stack: call_stack.clone(), - }, - ); - } - } - } - - fn remember_store(&mut self, address: ValueId, new_value: ValueId, call_stack: CallStack) { - if !self.local_allocations.contains(&address) { - if let Some(store_value) = self.store_values.get_mut(&address) { - store_value.new_value = new_value; - } else { - let load = Instruction::Load { address }; - - let load_type = Some(vec![self.inserter.function.dfg.type_of_value(new_value)]); - let old_value = self - .insert_instruction_with_typevars(load.clone(), load_type, call_stack.clone()) - .first(); - - self.store_values.insert(address, Store { old_value, new_value, call_stack }); - } - } - } - /// Push the given instruction to the end of the entry block of the current function. /// /// Note that each ValueId of the instruction will be mapped via self.inserter.resolve. /// As a result, the instruction that will be pushed will actually be a new instruction /// with a different InstructionId from the original. The results of the given instruction /// will also be mapped to the results of the new instruction. - fn push_instruction(&mut self, id: InstructionId) -> Vec { + /// + /// `previous_allocate_result` should only be set to the result of an allocate instruction + /// if that instruction was the instruction immediately previous to this one - if there are + /// any instructions in between it should be None. + fn push_instruction(&mut self, id: InstructionId) { let (instruction, call_stack) = self.inserter.map_instruction(id); let instruction = self.handle_instruction_side_effects(instruction, call_stack.clone()); - let is_allocate = matches!(instruction, Instruction::Allocate); + let instruction_is_allocate = matches!(&instruction, Instruction::Allocate); let entry = self.inserter.function.entry_block(); let results = self.inserter.push_instruction_value(instruction, id, entry, call_stack); // Remember an allocate was created local to this branch so that we do not try to merge store // values across branches for it later. - if is_allocate { + if instruction_is_allocate { self.local_allocations.insert(results.first()); } - - results.results().into_owned() } /// If we are currently in a branch, we need to modify constrain instructions @@ -782,8 +673,35 @@ impl<'f> Context<'f> { Instruction::Constrain(lhs, rhs, message) } Instruction::Store { address, value } => { - self.remember_store(address, value, call_stack); - Instruction::Store { address, value } + // If this instruction immediately follows an allocate, and stores to that + // address there is no previous value to load and we don't need a merge anyway. + if self.local_allocations.contains(&address) { + Instruction::Store { address, value } + } else { + // Instead of storing `value`, store `if condition { value } else { previous_value }` + let typ = self.inserter.function.dfg.type_of_value(value); + let load = Instruction::Load { address }; + let previous_value = self + .insert_instruction_with_typevars( + load, + Some(vec![typ]), + call_stack.clone(), + ) + .first(); + + let else_condition = self + .insert_instruction(Instruction::Not(condition), call_stack.clone()); + + let instruction = Instruction::IfElse { + then_condition: condition, + then_value: value, + else_condition, + else_value: previous_value, + }; + + let updated_value = self.insert_instruction(instruction, call_stack); + Instruction::Store { address, value: updated_value } + } } Instruction::RangeCheck { value, max_bit_size, assert_message } => { // Replace value with `value * predicate` to zero out value when predicate is inactive. @@ -905,23 +823,11 @@ impl<'f> Context<'f> { call_stack, ) } - - fn undo_stores_in_then_branch(&mut self, store_values: &HashMap) { - for (address, store) in store_values { - let address = *address; - let value = store.old_value; - let instruction = Instruction::Store { address, value }; - // Considering the location of undoing a store to be the same as the original store. - self.insert_instruction_with_typevars(instruction, None, store.call_stack.clone()); - } - } } #[cfg(test)] mod test { - use std::sync::Arc; - - use acvm::{acir::AcirField, FieldElement}; + use acvm::acir::AcirField; use crate::ssa::{ function_builder::FunctionBuilder, @@ -961,9 +867,11 @@ mod test { v1 = not v0 enable_side_effects u1 1 v3 = cast v0 as Field - v5 = mul v3, Field -1 - v7 = add Field 4, v5 - return v7 + v4 = cast v1 as Field + v6 = mul v3, Field 3 + v8 = mul v4, Field 4 + v9 = add v6, v8 + return v9 } "; @@ -1023,15 +931,15 @@ mod test { b0(v0: u1, v1: &mut Field): enable_side_effects v0 v2 = load v1 -> Field - store Field 5 at v1 - v4 = not v0 - store v2 at v1 - enable_side_effects u1 1 - v6 = cast v0 as Field - v7 = sub Field 5, v2 - v8 = mul v6, v7 - v9 = add v2, v8 + v3 = not v0 + v4 = cast v0 as Field + v5 = cast v3 as Field + v7 = mul v4, Field 5 + v8 = mul v5, v2 + v9 = add v7, v8 store v9 at v1 + v10 = not v0 + enable_side_effects u1 1 return } "; @@ -1062,17 +970,23 @@ mod test { b0(v0: u1, v1: &mut Field): enable_side_effects v0 v2 = load v1 -> Field - store Field 5 at v1 - v4 = not v0 - store v2 at v1 - enable_side_effects v4 - v5 = load v1 -> Field - store Field 6 at v1 + v3 = not v0 + v4 = cast v0 as Field + v5 = cast v3 as Field + v7 = mul v4, Field 5 + v8 = mul v5, v2 + v9 = add v7, v8 + store v9 at v1 + v10 = not v0 + enable_side_effects v10 + v11 = load v1 -> Field + v12 = cast v10 as Field + v13 = cast v0 as Field + v15 = mul v12, Field 6 + v16 = mul v13, v11 + v17 = add v15, v16 + store v17 at v1 enable_side_effects u1 1 - v8 = cast v0 as Field - v10 = mul v8, Field -1 - v11 = add Field 6, v10 - store v11 at v1 return } "; @@ -1115,6 +1029,7 @@ mod test { // b7 b8 // ↘ ↙ // b9 + let src = " acir(inline) fn main f0 { b0(v0: u1, v1: u1): @@ -1165,33 +1080,49 @@ mod test { v20 = load v2 -> Field // call v1(Field 8, v20) jmp b9() - } - "; + }"; let ssa = Ssa::from_str(src).unwrap(); + let ssa = ssa.flatten_cfg().mem2reg(); - // Expected results after mem2reg removes the allocation and each load and store: let expected = " acir(inline) fn main f0 { b0(v0: u1, v1: u1): v2 = allocate -> &mut Field enable_side_effects v0 - v3 = mul v0, v1 - enable_side_effects v3 - v4 = not v1 - v5 = mul v0, v4 + v3 = not v0 + v4 = cast v0 as Field + v5 = cast v3 as Field + v7 = mul v4, Field 2 + v8 = add v7, v5 + v9 = mul v0, v1 + enable_side_effects v9 + v10 = not v9 + v11 = cast v9 as Field + v12 = cast v10 as Field + v14 = mul v11, Field 5 + v15 = mul v12, v8 + v16 = add v14, v15 + v17 = not v1 + v18 = mul v0, v17 + enable_side_effects v18 + v19 = not v18 + v20 = cast v18 as Field + v21 = cast v19 as Field + v23 = mul v20, Field 6 + v24 = mul v21, v16 + v25 = add v23, v24 enable_side_effects v0 - v6 = cast v3 as Field - v8 = mul v6, Field -1 - v10 = add Field 6, v8 - v11 = not v0 + v26 = not v0 + enable_side_effects v26 + v27 = cast v26 as Field + v28 = cast v0 as Field + v30 = mul v27, Field 3 + v31 = mul v28, v25 + v32 = add v30, v31 enable_side_effects u1 1 - v13 = cast v0 as Field - v15 = sub v10, Field 3 - v16 = mul v13, v15 - v17 = add Field 3, v16 - return v17 + return v32 }"; let main = ssa.main(); @@ -1201,10 +1132,7 @@ mod test { }; let merged_values = get_all_constants_reachable_from_instruction(&main.dfg, ret); - assert_eq!( - merged_values, - vec![FieldElement::from(3u128), FieldElement::from(6u128), -FieldElement::from(1u128)] - ); + assert_eq!(merged_values, vec![2, 3, 5, 6]); assert_normalized_ssa_equals(ssa, expected); } @@ -1287,7 +1215,7 @@ mod test { fn get_all_constants_reachable_from_instruction( dfg: &DataFlowGraph, value: ValueId, - ) -> Vec { + ) -> Vec { match dfg[value] { Value::Instruction { instruction, .. } => { let mut values = vec![]; @@ -1305,7 +1233,7 @@ mod test { values.dedup(); values } - Value::NumericConstant { constant, .. } => vec![constant], + Value::NumericConstant { constant, .. } => vec![constant.to_u128()], _ => Vec::new(), } } @@ -1344,63 +1272,71 @@ mod test { fn should_not_merge_incorrectly_to_false() { // Regression test for #1792 // Tests that it does not simplify a true constraint an always-false constraint - // acir(inline) fn main f1 { - // b0(v0: [u8; 2]): - // v5 = array_get v0, index u8 0 - // v6 = cast v5 as u32 - // v8 = truncate v6 to 1 bits, max_bit_size: 32 - // v9 = cast v8 as u1 - // v10 = allocate - // store u8 0 at v10 - // jmpif v9 then: b2, else: b3 - // b2(): - // v12 = cast v5 as Field - // v13 = add v12, Field 1 - // store v13 at v10 - // jmp b4() - // b4(): - // constrain v9 == u1 1 - // return - // b3(): - // store u8 0 at v10 - // jmp b4() - // } - let main_id = Id::test_new(1); - let mut builder = FunctionBuilder::new("main".into(), main_id); - builder.insert_block(); // b0 - let b1 = builder.insert_block(); - let b2 = builder.insert_block(); - let b3 = builder.insert_block(); - let element_type = Arc::new(vec![Type::unsigned(8)]); - let array_type = Type::Array(element_type.clone(), 2); - let array = builder.add_parameter(array_type); - let zero = builder.numeric_constant(0_u128, Type::unsigned(8)); - let v5 = builder.insert_array_get(array, zero, Type::unsigned(8)); - let v6 = builder.insert_cast(v5, Type::unsigned(32)); - let i_two = builder.numeric_constant(2_u128, Type::unsigned(32)); - let v8 = builder.insert_binary(v6, BinaryOp::Mod, i_two); - let v9 = builder.insert_cast(v8, Type::bool()); - let v10 = builder.insert_allocate(Type::field()); - builder.insert_store(v10, zero); - builder.terminate_with_jmpif(v9, b1, b2); - builder.switch_to_block(b1); - let one = builder.field_constant(1_u128); - let v5b = builder.insert_cast(v5, Type::field()); - let v13: Id = builder.insert_binary(v5b, BinaryOp::Add, one); - let v14 = builder.insert_cast(v13, Type::unsigned(8)); - builder.insert_store(v10, v14); - builder.terminate_with_jmp(b3, vec![]); - builder.switch_to_block(b2); - builder.insert_store(v10, zero); - builder.terminate_with_jmp(b3, vec![]); - builder.switch_to_block(b3); - let v_true = builder.numeric_constant(true, Type::bool()); - let v12 = builder.insert_binary(v9, BinaryOp::Eq, v_true); - builder.insert_constrain(v12, v_true, None); - builder.terminate_with_return(vec![]); - let ssa = builder.finish(); + + let src = " + acir(inline) fn main f0 { + b0(v0: [u8; 2]): + v2 = array_get v0, index u8 0 -> u8 + v3 = cast v2 as u32 + v4 = truncate v3 to 1 bits, max_bit_size: 32 + v5 = cast v4 as u1 + v6 = allocate -> &mut Field + store u8 0 at v6 + jmpif v5 then: b2, else: b1 + b2(): + v7 = cast v2 as Field + v9 = add v7, Field 1 + v10 = cast v9 as u8 + store v10 at v6 + jmp b3() + b3(): + constrain v5 == u1 1 + return + b1(): + store u8 0 at v6 + jmp b3() + } + "; + + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + acir(inline) fn main f0 { + b0(v0: [u8; 2]): + v2 = array_get v0, index u8 0 -> u8 + v3 = cast v2 as u32 + v4 = truncate v3 to 1 bits, max_bit_size: 32 + v5 = cast v4 as u1 + v6 = allocate -> &mut Field + store u8 0 at v6 + enable_side_effects v5 + v7 = cast v2 as Field + v9 = add v7, Field 1 + v10 = cast v9 as u8 + v11 = load v6 -> u8 + v12 = not v5 + v13 = cast v4 as u8 + v14 = cast v12 as u8 + v15 = mul v13, v10 + v16 = mul v14, v11 + v17 = add v15, v16 + store v17 at v6 + v18 = not v5 + enable_side_effects v18 + v19 = load v6 -> u8 + v20 = cast v18 as u8 + v21 = cast v4 as u8 + v22 = mul v21, v19 + store v22 at v6 + enable_side_effects u1 1 + constrain v5 == u1 1 + return + } + "; + let flattened_ssa = ssa.flatten_cfg(); let main = flattened_ssa.main(); + // Now assert that there is not an always-false constraint after flattening: let mut constrain_count = 0; for instruction in main.dfg[main.entry_block()].instructions() { @@ -1414,6 +1350,8 @@ mod test { } } assert_eq!(constrain_count, 1); + + assert_normalized_ssa_equals(flattened_ssa, expected); } #[test] @@ -1549,7 +1487,7 @@ mod test { b2(): return b1(): - jmp b2() + jmp b2() } "; let merged_ssa = Ssa::from_str(src).unwrap(); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg/capacity_tracker.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg/capacity_tracker.rs index ddc8b0bfe6b..a01be691778 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg/capacity_tracker.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg/capacity_tracker.rs @@ -21,7 +21,7 @@ impl<'a> SliceCapacityTracker<'a> { pub(crate) fn collect_slice_information( &self, instruction: &Instruction, - slice_sizes: &mut HashMap, + slice_sizes: &mut HashMap, results: &[ValueId], ) { match instruction { @@ -106,13 +106,12 @@ impl<'a> SliceCapacityTracker<'a> { Intrinsic::ToBits(_) => { // Compiler sanity check assert!(matches!(self.dfg.type_of_value(result_slice), Type::Slice(_))); - slice_sizes.insert(result_slice, FieldElement::max_num_bits() as usize); + slice_sizes.insert(result_slice, FieldElement::max_num_bits()); } Intrinsic::ToRadix(_) => { // Compiler sanity check assert!(matches!(self.dfg.type_of_value(result_slice), Type::Slice(_))); - slice_sizes - .insert(result_slice, FieldElement::max_num_bytes() as usize); + slice_sizes.insert(result_slice, FieldElement::max_num_bytes()); } Intrinsic::AsSlice => { let array_size = self @@ -157,7 +156,7 @@ impl<'a> SliceCapacityTracker<'a> { pub(crate) fn compute_slice_capacity( &self, array_id: ValueId, - slice_sizes: &mut HashMap, + slice_sizes: &mut HashMap, ) { if let Some((array, typ)) = self.dfg.get_array_constant(array_id) { // Compiler sanity check @@ -165,7 +164,7 @@ impl<'a> SliceCapacityTracker<'a> { if let Type::Slice(_) = typ { let element_size = typ.element_size(); let len = array.len() / element_size; - slice_sizes.insert(array_id, len); + slice_sizes.insert(array_id, len as u32); } } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg/value_merger.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg/value_merger.rs index 8ea26d4e96d..6ea235b9414 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg/value_merger.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/flatten_cfg/value_merger.rs @@ -17,7 +17,7 @@ pub(crate) struct ValueMerger<'a> { // Maps SSA array values with a slice type to their size. // This must be computed before merging values. - slice_sizes: &'a mut HashMap, + slice_sizes: &'a mut HashMap, array_set_conditionals: &'a mut HashMap, @@ -28,7 +28,7 @@ impl<'a> ValueMerger<'a> { pub(crate) fn new( dfg: &'a mut DataFlowGraph, block: BasicBlockId, - slice_sizes: &'a mut HashMap, + slice_sizes: &'a mut HashMap, array_set_conditionals: &'a mut HashMap, current_condition: Option, call_stack: CallStack, @@ -54,6 +54,7 @@ impl<'a> ValueMerger<'a> { pub(crate) fn merge_values( &mut self, then_condition: ValueId, + else_condition: ValueId, then_value: ValueId, else_value: ValueId, ) -> ValueId { @@ -69,14 +70,15 @@ impl<'a> ValueMerger<'a> { self.dfg, self.block, then_condition, + else_condition, then_value, else_value, ), typ @ Type::Array(_, _) => { - self.merge_array_values(typ, then_condition, then_value, else_value) + self.merge_array_values(typ, then_condition, else_condition, then_value, else_value) } typ @ Type::Slice(_) => { - self.merge_slice_values(typ, then_condition, then_value, else_value) + self.merge_slice_values(typ, then_condition, else_condition, then_value, else_value) } Type::Reference(_) => panic!("Cannot return references from an if expression"), Type::Function => panic!("Cannot return functions from an if expression"), @@ -84,11 +86,12 @@ impl<'a> ValueMerger<'a> { } /// Merge two numeric values a and b from separate basic blocks to a single value. This - /// function would return the result of `if c { a } else { b }` as `c * (a-b) + b`. + /// function would return the result of `if c { a } else { b }` as `c*a + (!c)*b`. pub(crate) fn merge_numeric_values( dfg: &mut DataFlowGraph, block: BasicBlockId, then_condition: ValueId, + else_condition: ValueId, then_value: ValueId, else_value: ValueId, ) -> ValueId { @@ -111,38 +114,31 @@ impl<'a> ValueMerger<'a> { // We must cast the bool conditions to the actual numeric type used by each value. let then_condition = dfg .insert_instruction_and_results( - Instruction::Cast(then_condition, Type::field()), + Instruction::Cast(then_condition, then_type), block, None, call_stack.clone(), ) .first(); - - let then_field = Instruction::Cast(then_value, Type::field()); - let then_field_value = - dfg.insert_instruction_and_results(then_field, block, None, call_stack.clone()).first(); - - let else_field = Instruction::Cast(else_value, Type::field()); - let else_field_value = - dfg.insert_instruction_and_results(else_field, block, None, call_stack.clone()).first(); - - let diff = Instruction::binary(BinaryOp::Sub, then_field_value, else_field_value); - let diff_value = - dfg.insert_instruction_and_results(diff, block, None, call_stack.clone()).first(); - - let conditional_diff = Instruction::binary(BinaryOp::Mul, then_condition, diff_value); - let conditional_diff_value = dfg - .insert_instruction_and_results(conditional_diff, block, None, call_stack.clone()) + let else_condition = dfg + .insert_instruction_and_results( + Instruction::Cast(else_condition, else_type), + block, + None, + call_stack.clone(), + ) .first(); - let merged_field = - Instruction::binary(BinaryOp::Add, else_field_value, conditional_diff_value); - let merged_field_value = dfg - .insert_instruction_and_results(merged_field, block, None, call_stack.clone()) - .first(); + let mul = Instruction::binary(BinaryOp::Mul, then_condition, then_value); + let then_value = + dfg.insert_instruction_and_results(mul, block, None, call_stack.clone()).first(); + + let mul = Instruction::binary(BinaryOp::Mul, else_condition, else_value); + let else_value = + dfg.insert_instruction_and_results(mul, block, None, call_stack.clone()).first(); - let merged = Instruction::Cast(merged_field_value, then_type); - dfg.insert_instruction_and_results(merged, block, None, call_stack).first() + let add = Instruction::binary(BinaryOp::Add, then_value, else_value); + dfg.insert_instruction_and_results(add, block, None, call_stack).first() } /// Given an if expression that returns an array: `if c { array1 } else { array2 }`, @@ -152,6 +148,7 @@ impl<'a> ValueMerger<'a> { &mut self, typ: Type, then_condition: ValueId, + else_condition: ValueId, then_value: ValueId, else_value: ValueId, ) -> ValueId { @@ -162,10 +159,11 @@ impl<'a> ValueMerger<'a> { _ => panic!("Expected array type"), }; - let actual_length = len * element_types.len(); + let actual_length = len * element_types.len() as u32; if let Some(result) = self.try_merge_only_changed_indices( then_condition, + else_condition, then_value, else_value, actual_length, @@ -175,7 +173,8 @@ impl<'a> ValueMerger<'a> { for i in 0..len { for (element_index, element_type) in element_types.iter().enumerate() { - let index = ((i * element_types.len() + element_index) as u128).into(); + let index = + ((i * element_types.len() as u32 + element_index as u32) as u128).into(); let index = self.dfg.make_constant(index, Type::field()); let typevars = Some(vec![element_type.clone()]); @@ -195,7 +194,12 @@ impl<'a> ValueMerger<'a> { let then_element = get_element(then_value, typevars.clone()); let else_element = get_element(else_value, typevars); - merged.push_back(self.merge_values(then_condition, then_element, else_element)); + merged.push_back(self.merge_values( + then_condition, + else_condition, + then_element, + else_element, + )); } } @@ -208,6 +212,7 @@ impl<'a> ValueMerger<'a> { &mut self, typ: Type, then_condition: ValueId, + else_condition: ValueId, then_value_id: ValueId, else_value_id: ValueId, ) -> ValueId { @@ -222,22 +227,22 @@ impl<'a> ValueMerger<'a> { let (slice, typ) = self.dfg.get_array_constant(then_value_id).unwrap_or_else(|| { panic!("ICE: Merging values during flattening encountered slice {then_value_id} without a preset size"); }); - slice.len() / typ.element_types().len() + (slice.len() / typ.element_types().len()) as u32 }); let else_len = self.slice_sizes.get(&else_value_id).copied().unwrap_or_else(|| { let (slice, typ) = self.dfg.get_array_constant(else_value_id).unwrap_or_else(|| { panic!("ICE: Merging values during flattening encountered slice {else_value_id} without a preset size"); }); - slice.len() / typ.element_types().len() + (slice.len() / typ.element_types().len()) as u32 }); let len = then_len.max(else_len); for i in 0..len { for (element_index, element_type) in element_types.iter().enumerate() { - let index_usize = i * element_types.len() + element_index; - let index_value = (index_usize as u128).into(); + let index_u32 = i * element_types.len() as u32 + element_index as u32; + let index_value = (index_u32 as u128).into(); let index = self.dfg.make_constant(index_value, Type::field()); let typevars = Some(vec![element_type.clone()]); @@ -245,7 +250,7 @@ impl<'a> ValueMerger<'a> { let mut get_element = |array, typevars, len| { // The smaller slice is filled with placeholder data. Codegen for slice accesses must // include checks against the dynamic slice length so that this placeholder data is not incorrectly accessed. - if len <= index_usize { + if len <= index_u32 { self.make_slice_dummy_data(element_type) } else { let get = Instruction::ArrayGet { array, index }; @@ -260,12 +265,20 @@ impl<'a> ValueMerger<'a> { } }; - let then_element = - get_element(then_value_id, typevars.clone(), then_len * element_types.len()); + let then_element = get_element( + then_value_id, + typevars.clone(), + then_len * element_types.len() as u32, + ); let else_element = - get_element(else_value_id, typevars, else_len * element_types.len()); - - merged.push_back(self.merge_values(then_condition, then_element, else_element)); + get_element(else_value_id, typevars, else_len * element_types.len() as u32); + + merged.push_back(self.merge_values( + then_condition, + else_condition, + then_element, + else_element, + )); } } @@ -314,9 +327,10 @@ impl<'a> ValueMerger<'a> { fn try_merge_only_changed_indices( &mut self, then_condition: ValueId, + else_condition: ValueId, then_value: ValueId, else_value: ValueId, - array_length: usize, + array_length: u32, ) -> Option { let mut found = false; let current_condition = self.current_condition?; @@ -370,7 +384,7 @@ impl<'a> ValueMerger<'a> { .chain(seen_else.into_iter().map(|(_, index, typ, condition)| (index, typ, condition))) .collect(); - if !found || changed_indices.len() >= array_length { + if !found || changed_indices.len() as u32 >= array_length { return None; } @@ -397,7 +411,8 @@ impl<'a> ValueMerger<'a> { let then_element = get_element(then_value, typevars.clone()); let else_element = get_element(else_value, typevars); - let value = self.merge_values(then_condition, then_element, else_element); + let value = + self.merge_values(then_condition, else_condition, then_element, else_element); array = self.insert_array_set(array, index, value, Some(condition)).first(); } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/inlining.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/inlining.rs index 6cf7070e65e..f91487fd73e 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/inlining.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/inlining.rs @@ -1089,7 +1089,6 @@ mod test { } #[test] - #[ignore] #[should_panic( expected = "Attempted to recur more than 1000 times during inlining function 'main': acir(inline) fn main f0 {" )] diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/loop_invariant.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/loop_invariant.rs index 14233ca73e5..2e5c44cce76 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/loop_invariant.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/loop_invariant.rs @@ -7,14 +7,16 @@ //! - Already marked as loop invariants //! //! We also check that we are not hoisting instructions with side effects. -use fxhash::FxHashSet as HashSet; +use acvm::{acir::AcirField, FieldElement}; +use fxhash::{FxHashMap as HashMap, FxHashSet as HashSet}; use crate::ssa::{ ir::{ basic_block::BasicBlockId, function::{Function, RuntimeType}, function_inserter::FunctionInserter, - instruction::InstructionId, + instruction::{Instruction, InstructionId}, + types::Type, value::ValueId, }, Ssa, @@ -45,25 +47,51 @@ impl Function { } impl Loops { - fn hoist_loop_invariants(self, function: &mut Function) { + fn hoist_loop_invariants(mut self, function: &mut Function) { let mut context = LoopInvariantContext::new(function); - for loop_ in self.yet_to_unroll.iter() { + // The loops should be sorted by the number of blocks. + // We want to access outer nested loops first, which we do by popping + // from the top of the list. + while let Some(loop_) = self.yet_to_unroll.pop() { let Ok(pre_header) = loop_.get_pre_header(context.inserter.function, &self.cfg) else { // If the loop does not have a preheader we skip hoisting loop invariants for this loop continue; }; - context.hoist_loop_invariants(loop_, pre_header); + + context.hoist_loop_invariants(&loop_, pre_header); } context.map_dependent_instructions(); } } +impl Loop { + /// Find the value that controls whether to perform a loop iteration. + /// This is going to be the block parameter of the loop header. + /// + /// Consider the following example of a `for i in 0..4` loop: + /// ```text + /// brillig(inline) fn main f0 { + /// b0(v0: u32): + /// ... + /// jmp b1(u32 0) + /// b1(v1: u32): // Loop header + /// v5 = lt v1, u32 4 // Upper bound + /// jmpif v5 then: b3, else: b2 + /// ``` + /// In the example above, `v1` is the induction variable + fn get_induction_variable(&self, function: &Function) -> ValueId { + function.dfg.block_parameters(self.header)[0] + } +} + struct LoopInvariantContext<'f> { inserter: FunctionInserter<'f>, defined_in_loop: HashSet, loop_invariants: HashSet, + // Maps induction variable -> fixed upper loop bound + outer_induction_variables: HashMap, } impl<'f> LoopInvariantContext<'f> { @@ -72,6 +100,7 @@ impl<'f> LoopInvariantContext<'f> { inserter: FunctionInserter::new(function), defined_in_loop: HashSet::default(), loop_invariants: HashSet::default(), + outer_induction_variables: HashMap::default(), } } @@ -88,13 +117,29 @@ impl<'f> LoopInvariantContext<'f> { self.inserter.push_instruction(instruction_id, *block); } - self.update_values_defined_in_loop_and_invariants(instruction_id, hoist_invariant); + self.extend_values_defined_in_loop_and_invariants(instruction_id, hoist_invariant); } } + + // Keep track of a loop induction variable and respective upper bound. + // This will be used by later loops to determine whether they have operations + // reliant upon the maximum induction variable. + let upper_bound = loop_.get_const_upper_bound(self.inserter.function); + if let Some(upper_bound) = upper_bound { + let induction_variable = loop_.get_induction_variable(self.inserter.function); + let induction_variable = self.inserter.resolve(induction_variable); + self.outer_induction_variables.insert(induction_variable, upper_bound); + } } /// Gather the variables declared within the loop fn set_values_defined_in_loop(&mut self, loop_: &Loop) { + // Clear any values that may be defined in previous loops, as the context is per function. + self.defined_in_loop.clear(); + // These are safe to keep per function, but we want to be clear that these values + // are used per loop. + self.loop_invariants.clear(); + for block in loop_.blocks.iter() { let params = self.inserter.function.dfg.block_parameters(*block); self.defined_in_loop.extend(params); @@ -107,7 +152,7 @@ impl<'f> LoopInvariantContext<'f> { /// Update any values defined in the loop and loop invariants after a /// analyzing and re-inserting a loop's instruction. - fn update_values_defined_in_loop_and_invariants( + fn extend_values_defined_in_loop_and_invariants( &mut self, instruction_id: InstructionId, hoist_invariant: bool, @@ -143,9 +188,45 @@ impl<'f> LoopInvariantContext<'f> { is_loop_invariant &= !self.defined_in_loop.contains(&value) || self.loop_invariants.contains(&value); }); - is_loop_invariant && instruction.can_be_deduplicated(&self.inserter.function.dfg, false) + + let can_be_deduplicated = instruction + .can_be_deduplicated(&self.inserter.function.dfg, false) + || self.can_be_deduplicated_from_upper_bound(&instruction); + + is_loop_invariant && can_be_deduplicated + } + + /// Certain instructions can take advantage of that our induction variable has a fixed maximum. + /// + /// For example, an array access can usually only be safely deduplicated when we have a constant + /// index that is below the length of the array. + /// Checking an array get where the index is the loop's induction variable on its own + /// would determine that the instruction is not safe for hoisting. + /// However, if we know that the induction variable's upper bound will always be in bounds of the array + /// we can safely hoist the array access. + fn can_be_deduplicated_from_upper_bound(&self, instruction: &Instruction) -> bool { + match instruction { + Instruction::ArrayGet { array, index } => { + let array_typ = self.inserter.function.dfg.type_of_value(*array); + let upper_bound = self.outer_induction_variables.get(index); + if let (Type::Array(_, len), Some(upper_bound)) = (array_typ, upper_bound) { + upper_bound.to_u128() <= len.into() + } else { + false + } + } + _ => false, + } } + /// Loop invariant hoisting only operates over loop instructions. + /// The `FunctionInserter` is used for mapping old values to new values after + /// re-inserting loop invariant instructions. + /// However, there may be instructions which are not within loops that are + /// still reliant upon the instruction results altered during the pass. + /// This method re-inserts all instructions so that all instructions have + /// correct new value IDs based upon the `FunctionInserter` internal map. + /// Leaving out this mapping could lead to instructions with values that do not exist. fn map_dependent_instructions(&mut self) { let blocks = self.inserter.function.reachable_blocks(); for block in blocks { @@ -375,4 +456,108 @@ mod test { // The code should be unchanged assert_normalized_ssa_equals(ssa, src); } + + #[test] + fn hoist_array_gets_using_induction_variable_with_const_bound() { + // SSA for the following program: + // + // fn triple_loop(x: u32) { + // let arr = [2; 5]; + // for i in 0..4 { + // for j in 0..4 { + // for _ in 0..4 { + // assert_eq(arr[i], x); + // assert_eq(arr[j], x); + // } + // } + // } + // } + // + // `arr[i]` and `arr[j]` are safe to hoist as we know the maximum possible index + // to be used for both array accesses. + // We want to make sure `arr[i]` is hoisted to the outermost loop body and that + // `arr[j]` is hoisted to the second outermost loop body. + let src = " + brillig(inline) fn main f0 { + b0(v0: u32, v1: u32): + v6 = make_array [u32 2, u32 2, u32 2, u32 2, u32 2] : [u32; 5] + inc_rc v6 + jmp b1(u32 0) + b1(v2: u32): + v9 = lt v2, u32 4 + jmpif v9 then: b3, else: b2 + b3(): + jmp b4(u32 0) + b4(v3: u32): + v10 = lt v3, u32 4 + jmpif v10 then: b6, else: b5 + b6(): + jmp b7(u32 0) + b7(v4: u32): + v13 = lt v4, u32 4 + jmpif v13 then: b9, else: b8 + b9(): + v15 = array_get v6, index v2 -> u32 + v16 = eq v15, v0 + constrain v15 == v0 + v17 = array_get v6, index v3 -> u32 + v18 = eq v17, v0 + constrain v17 == v0 + v19 = add v4, u32 1 + jmp b7(v19) + b8(): + v14 = add v3, u32 1 + jmp b4(v14) + b5(): + v12 = add v2, u32 1 + jmp b1(v12) + b2(): + return + } + "; + + let ssa = Ssa::from_str(src).unwrap(); + + let expected = " + brillig(inline) fn main f0 { + b0(v0: u32, v1: u32): + v6 = make_array [u32 2, u32 2, u32 2, u32 2, u32 2] : [u32; 5] + inc_rc v6 + jmp b1(u32 0) + b1(v2: u32): + v9 = lt v2, u32 4 + jmpif v9 then: b3, else: b2 + b3(): + v10 = array_get v6, index v2 -> u32 + v11 = eq v10, v0 + jmp b4(u32 0) + b4(v3: u32): + v12 = lt v3, u32 4 + jmpif v12 then: b6, else: b5 + b6(): + v15 = array_get v6, index v3 -> u32 + v16 = eq v15, v0 + jmp b7(u32 0) + b7(v4: u32): + v17 = lt v4, u32 4 + jmpif v17 then: b9, else: b8 + b9(): + constrain v10 == v0 + constrain v15 == v0 + v19 = add v4, u32 1 + jmp b7(v19) + b8(): + v18 = add v3, u32 1 + jmp b4(v18) + b5(): + v14 = add v2, u32 1 + jmp b1(v14) + b2(): + return + } + "; + + let ssa = ssa.loop_invariant_code_motion(); + assert_normalized_ssa_equals(ssa, expected); + } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg.rs index 0690dbbf204..53a31ae57c1 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/mem2reg.rs @@ -18,6 +18,7 @@ //! - A reference with 0 aliases means we were unable to find which reference this reference //! refers to. If such a reference is stored to, we must conservatively invalidate every //! reference in the current block. +//! - We also track the last load instruction to each address per block. //! //! From there, to figure out the value of each reference at the end of block, iterate each instruction: //! - On `Instruction::Allocate`: @@ -28,6 +29,13 @@ //! - Furthermore, if the result of the load is a reference, mark the result as an alias //! of the reference it dereferences to (if known). //! - If which reference it dereferences to is not known, this load result has no aliases. +//! - We also track the last instance of a load instruction to each address in a block. +//! If we see that the last load instruction was from the same address as the current load instruction, +//! we move to replace the result of the current load with the result of the previous load. +//! This removal requires a couple conditions: +//! - No store occurs to that address before the next load, +//! - The address is not used as an argument to a call +//! This optimization helps us remove repeated loads for which there are not known values. //! - On `Instruction::Store { address, value }`: //! - If the address of the store is known: //! - If the address has exactly 1 alias: @@ -40,11 +48,13 @@ //! - Conservatively mark every alias in the block to `Unknown`. //! - Additionally, if there were no Loads to any alias of the address between this Store and //! the previous Store to the same address, the previous store can be removed. +//! - Remove the instance of the last load instruction to the address and its aliases //! - On `Instruction::Call { arguments }`: //! - If any argument of the call is a reference, set the value of each alias of that //! reference to `Unknown` //! - Any builtin functions that may return aliases if their input also contains a //! reference should be tracked. Examples: `slice_push_back`, `slice_insert`, `slice_remove`, etc. +//! - Remove the instance of the last load instruction for any reference arguments and their aliases //! //! On a terminator instruction: //! - If the terminator is a `Jmp`: @@ -274,6 +284,9 @@ impl<'f> PerFunctionContext<'f> { if let Some(first_predecessor) = predecessors.next() { let mut first = self.blocks.get(&first_predecessor).cloned().unwrap_or_default(); first.last_stores.clear(); + // Last loads are tracked per block. During unification we are creating a new block from the current one, + // so we must clear the last loads of the current block before we return the new block. + first.last_loads.clear(); // Note that we have to start folding with the first block as the accumulator. // If we started with an empty block, an empty block union'd with any other block @@ -410,6 +423,28 @@ impl<'f> PerFunctionContext<'f> { self.last_loads.insert(address, (instruction, block_id)); } + + // Check whether the block has a repeat load from the same address (w/ no calls or stores in between the loads). + // If we do have a repeat load, we can remove the current load and map its result to the previous load's result. + if let Some(last_load) = references.last_loads.get(&address) { + let Instruction::Load { address: previous_address } = + &self.inserter.function.dfg[*last_load] + else { + panic!("Expected a Load instruction here"); + }; + let result = self.inserter.function.dfg.instruction_results(instruction)[0]; + let previous_result = + self.inserter.function.dfg.instruction_results(*last_load)[0]; + if *previous_address == address { + self.inserter.map_value(result, previous_result); + self.instructions_to_remove.insert(instruction); + } + } + // We want to set the load for every load even if the address has a known value + // and the previous load instruction was removed. + // We are safe to still remove a repeat load in this case as we are mapping from the current load's + // result to the previous load, which if it was removed should already have a mapping to the known value. + references.set_last_load(address, instruction); } Instruction::Store { address, value } => { let address = self.inserter.function.dfg.resolve(*address); @@ -435,6 +470,8 @@ impl<'f> PerFunctionContext<'f> { } references.set_known_value(address, value); + // If we see a store to an address, the last load to that address needs to remain. + references.keep_last_load_for(address, self.inserter.function); references.last_stores.insert(address, instruction); } Instruction::Allocate => { @@ -542,6 +579,9 @@ impl<'f> PerFunctionContext<'f> { let value = self.inserter.function.dfg.resolve(*value); references.set_unknown(value); references.mark_value_used(value, self.inserter.function); + + // If a reference is an argument to a call, the last load to that address and its aliases needs to remain. + references.keep_last_load_for(value, self.inserter.function); } } } @@ -572,6 +612,12 @@ impl<'f> PerFunctionContext<'f> { let destination_parameters = self.inserter.function.dfg[*destination].parameters(); assert_eq!(destination_parameters.len(), arguments.len()); + // If we have multiple parameters that alias that same argument value, + // then those parameters also alias each other. + // We save parameters with repeat arguments to later mark those + // parameters as aliasing one another. + let mut arg_set: HashMap> = HashMap::default(); + // Add an alias for each reference parameter for (parameter, argument) in destination_parameters.iter().zip(arguments) { if self.inserter.function.dfg.value_is_reference(*parameter) { @@ -581,10 +627,27 @@ impl<'f> PerFunctionContext<'f> { if let Some(aliases) = references.aliases.get_mut(expression) { // The argument reference is possibly aliased by this block parameter aliases.insert(*parameter); + + // Check if we have seen the same argument + let seen_parameters = arg_set.entry(argument).or_default(); + // Add the current parameter to the parameters we have seen for this argument. + // The previous parameters and the current one alias one another. + seen_parameters.insert(*parameter); } } } } + + // Set the aliases of the parameters + for (_, aliased_params) in arg_set { + for param in aliased_params.iter() { + self.set_aliases( + references, + *param, + AliasSet::known_multiple(aliased_params.clone()), + ); + } + } } TerminatorInstruction::Return { return_values, .. } => { // Removing all `last_stores` for each returned reference is more important here @@ -612,6 +675,8 @@ mod tests { map::Id, types::Type, }, + opt::assert_normalized_ssa_equals, + Ssa, }; #[test] @@ -822,88 +887,53 @@ mod tests { // is later stored in a successor block #[test] fn load_aliases_in_predecessor_block() { - // fn main { - // b0(): - // v0 = allocate - // store Field 0 at v0 - // v2 = allocate - // store v0 at v2 - // v3 = load v2 - // v4 = load v2 - // jmp b1() - // b1(): - // store Field 1 at v3 - // store Field 2 at v4 - // v7 = load v3 - // v8 = eq v7, Field 2 - // return - // } - let main_id = Id::test_new(0); - let mut builder = FunctionBuilder::new("main".into(), main_id); - - let v0 = builder.insert_allocate(Type::field()); - - let zero = builder.field_constant(0u128); - builder.insert_store(v0, zero); - - let v2 = builder.insert_allocate(Type::Reference(Arc::new(Type::field()))); - builder.insert_store(v2, v0); - - let v3 = builder.insert_load(v2, Type::field()); - let v4 = builder.insert_load(v2, Type::field()); - let b1 = builder.insert_block(); - builder.terminate_with_jmp(b1, vec![]); - - builder.switch_to_block(b1); - - let one = builder.field_constant(1u128); - builder.insert_store(v3, one); - - let two = builder.field_constant(2u128); - builder.insert_store(v4, two); - - let v8 = builder.insert_load(v3, Type::field()); - let _ = builder.insert_binary(v8, BinaryOp::Eq, two); - - builder.terminate_with_return(vec![]); - - let ssa = builder.finish(); - assert_eq!(ssa.main().reachable_blocks().len(), 2); + let src = " + acir(inline) fn main f0 { + b0(): + v0 = allocate -> &mut Field + store Field 0 at v0 + v2 = allocate -> &mut &mut Field + store v0 at v2 + v3 = load v2 -> &mut Field + v4 = load v2 -> &mut Field + jmp b1() + b1(): + store Field 1 at v3 + store Field 2 at v4 + v7 = load v3 -> Field + v8 = eq v7, Field 2 + return + } + "; - // Expected result: - // acir fn main f0 { - // b0(): - // v9 = allocate - // store Field 0 at v9 - // v10 = allocate - // jmp b1() - // b1(): - // return - // } - let ssa = ssa.mem2reg(); - println!("{}", ssa); + let mut ssa = Ssa::from_str(src).unwrap(); + let main = ssa.main_mut(); - let main = ssa.main(); - assert_eq!(main.reachable_blocks().len(), 2); + let instructions = main.dfg[main.entry_block()].instructions(); + assert_eq!(instructions.len(), 6); // The final return is not counted // All loads should be removed - assert_eq!(count_loads(main.entry_block(), &main.dfg), 0); - assert_eq!(count_loads(b1, &main.dfg), 0); - // The first store is not removed as it is used as a nested reference in another store. - // We would need to track whether the store where `v9` is the store value gets removed to know whether + // We would need to track whether the store where `v0` is the store value gets removed to know whether // to remove it. - assert_eq!(count_stores(main.entry_block(), &main.dfg), 1); // The first store in b1 is removed since there is another store to the same reference // in the same block, and the store is not needed before the later store. // The rest of the stores are also removed as no loads are done within any blocks // to the stored values. - assert_eq!(count_stores(b1, &main.dfg), 0); - - let b1_instructions = main.dfg[b1].instructions(); + let expected = " + acir(inline) fn main f0 { + b0(): + v0 = allocate -> &mut Field + store Field 0 at v0 + v2 = allocate -> &mut &mut Field + jmp b1() + b1(): + return + } + "; - // We expect the last eq to be optimized out - assert_eq!(b1_instructions.len(), 0); + let ssa = ssa.mem2reg(); + assert_normalized_ssa_equals(ssa, expected); } #[test] @@ -933,7 +963,7 @@ mod tests { // v10 = eq v9, Field 2 // constrain v9 == Field 2 // v11 = load v2 - // v12 = load v10 + // v12 = load v11 // v13 = eq v12, Field 2 // constrain v11 == Field 2 // return @@ -992,7 +1022,7 @@ mod tests { let main = ssa.main(); assert_eq!(main.reachable_blocks().len(), 4); - // The store from the original SSA should remain + // The stores from the original SSA should remain assert_eq!(count_stores(main.entry_block(), &main.dfg), 2); assert_eq!(count_stores(b2, &main.dfg), 1); @@ -1039,4 +1069,160 @@ mod tests { let main = ssa.main(); assert_eq!(count_loads(main.entry_block(), &main.dfg), 1); } + + #[test] + fn remove_repeat_loads() { + // This tests starts with two loads from the same unknown load. + // Specifically you should look for `load v2` in `b3`. + // We should be able to remove the second repeated load. + let src = " + acir(inline) fn main f0 { + b0(): + v0 = allocate -> &mut Field + store Field 0 at v0 + v2 = allocate -> &mut &mut Field + store v0 at v2 + jmp b1(Field 0) + b1(v3: Field): + v4 = eq v3, Field 0 + jmpif v4 then: b2, else: b3 + b2(): + v5 = load v2 -> &mut Field + store Field 2 at v5 + v8 = add v3, Field 1 + jmp b1(v8) + b3(): + v9 = load v0 -> Field + v10 = eq v9, Field 2 + constrain v9 == Field 2 + v11 = load v2 -> &mut Field + v12 = load v2 -> &mut Field + v13 = load v12 -> Field + v14 = eq v13, Field 2 + constrain v13 == Field 2 + return + } + "; + + let ssa = Ssa::from_str(src).unwrap(); + + // The repeated load from v3 should be removed + // b3 should only have three loads now rather than four previously + // + // All stores are expected to remain. + let expected = " + acir(inline) fn main f0 { + b0(): + v1 = allocate -> &mut Field + store Field 0 at v1 + v3 = allocate -> &mut &mut Field + store v1 at v3 + jmp b1(Field 0) + b1(v0: Field): + v4 = eq v0, Field 0 + jmpif v4 then: b3, else: b2 + b3(): + v11 = load v3 -> &mut Field + store Field 2 at v11 + v13 = add v0, Field 1 + jmp b1(v13) + b2(): + v5 = load v1 -> Field + v7 = eq v5, Field 2 + constrain v5 == Field 2 + v8 = load v3 -> &mut Field + v9 = load v8 -> Field + v10 = eq v9, Field 2 + constrain v9 == Field 2 + return + } + "; + + let ssa = ssa.mem2reg(); + assert_normalized_ssa_equals(ssa, expected); + } + + #[test] + fn keep_repeat_loads_passed_to_a_call() { + // The test is the exact same as `remove_repeat_loads` above except with the call + // to `f1` between the repeated loads. + let src = " + acir(inline) fn main f0 { + b0(): + v1 = allocate -> &mut Field + store Field 0 at v1 + v3 = allocate -> &mut &mut Field + store v1 at v3 + jmp b1(Field 0) + b1(v0: Field): + v4 = eq v0, Field 0 + jmpif v4 then: b3, else: b2 + b3(): + v13 = load v3 -> &mut Field + store Field 2 at v13 + v15 = add v0, Field 1 + jmp b1(v15) + b2(): + v5 = load v1 -> Field + v7 = eq v5, Field 2 + constrain v5 == Field 2 + v8 = load v3 -> &mut Field + call f1(v3) + v10 = load v3 -> &mut Field + v11 = load v10 -> Field + v12 = eq v11, Field 2 + constrain v11 == Field 2 + return + } + acir(inline) fn foo f1 { + b0(v0: &mut Field): + return + } + "; + + let ssa = Ssa::from_str(src).unwrap(); + + let ssa = ssa.mem2reg(); + // We expect the program to be unchanged + assert_normalized_ssa_equals(ssa, src); + } + + #[test] + fn keep_repeat_loads_with_alias_store() { + // v7, v8, and v9 alias one another. We want to make sure that a repeat load to v7 with a store + // to its aliases in between the repeat loads does not remove those loads. + let src = " + acir(inline) fn main f0 { + b0(v0: u1): + jmpif v0 then: b2, else: b1 + b2(): + v6 = allocate -> &mut Field + store Field 0 at v6 + jmp b3(v6, v6, v6) + b3(v1: &mut Field, v2: &mut Field, v3: &mut Field): + v8 = load v1 -> Field + store Field 2 at v2 + v10 = load v1 -> Field + store Field 1 at v3 + v11 = load v1 -> Field + store Field 3 at v3 + v13 = load v1 -> Field + constrain v8 == Field 0 + constrain v10 == Field 2 + constrain v11 == Field 1 + constrain v13 == Field 3 + return + b1(): + v4 = allocate -> &mut Field + store Field 1 at v4 + jmp b3(v4, v4, v4) + } + "; + + let ssa = Ssa::from_str(src).unwrap(); + + let ssa = ssa.mem2reg(); + // We expect the program to be unchanged + assert_normalized_ssa_equals(ssa, src); + } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_bit_shifts.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_bit_shifts.rs index cdbb1043232..ccf5bd9d9f8 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_bit_shifts.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_bit_shifts.rs @@ -191,7 +191,7 @@ impl Context<'_> { let typ = self.function.dfg.type_of_value(rhs); if let Type::Numeric(NumericType::Unsigned { bit_size }) = typ { let to_bits = self.function.dfg.import_intrinsic(Intrinsic::ToBits(Endian::Little)); - let result_types = vec![Type::Array(Arc::new(vec![Type::bool()]), bit_size as usize)]; + let result_types = vec![Type::Array(Arc::new(vec![Type::bool()]), bit_size)]; let rhs_bits = self.insert_call(to_bits, vec![rhs], result_types); let rhs_bits = rhs_bits[0]; diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_if_else.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_if_else.rs index 8e25c3f0a35..02191801fcd 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_if_else.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/remove_if_else.rs @@ -48,7 +48,7 @@ impl Function { #[derive(Default)] struct Context { - slice_sizes: HashMap, + slice_sizes: HashMap, // Maps array_set result -> element that was overwritten by that instruction. // Used to undo array_sets while merging values @@ -66,8 +66,9 @@ impl Context { for instruction in instructions { match &function.dfg[instruction] { - Instruction::IfElse { then_condition, then_value, else_value } => { + Instruction::IfElse { then_condition, then_value, else_condition, else_value } => { let then_condition = *then_condition; + let else_condition = *else_condition; let then_value = *then_value; let else_value = *else_value; @@ -84,7 +85,12 @@ impl Context { call_stack, ); - let value = value_merger.merge_values(then_condition, then_value, else_value); + let value = value_merger.merge_values( + then_condition, + else_condition, + then_value, + else_value, + ); let _typ = function.dfg.type_of_value(value); let results = function.dfg.instruction_results(instruction); @@ -142,13 +148,13 @@ impl Context { } } - fn get_or_find_capacity(&mut self, dfg: &DataFlowGraph, value: ValueId) -> usize { + fn get_or_find_capacity(&mut self, dfg: &DataFlowGraph, value: ValueId) -> u32 { match self.slice_sizes.entry(value) { Entry::Occupied(entry) => return *entry.get(), Entry::Vacant(entry) => { if let Some((array, typ)) = dfg.get_array_constant(value) { let length = array.len() / typ.element_types().len(); - return *entry.insert(length); + return *entry.insert(length as u32); } if let Type::Array(_, length) = dfg.type_of_value(value) { @@ -164,7 +170,7 @@ impl Context { enum SizeChange { None, - SetTo(ValueId, usize), + SetTo(ValueId, u32), // These two variants store the old and new slice ids // not their lengths which should be old_len = new_len +/- 1 diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/unrolling.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/unrolling.rs index 777c16dacd1..1a13acc5435 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/unrolling.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/opt/unrolling.rs @@ -19,8 +19,10 @@ //! When unrolling ACIR code, we remove reference count instructions because they are //! only used by Brillig bytecode. use acvm::{acir::AcirField, FieldElement}; +use im::HashSet; use crate::{ + brillig::brillig_gen::convert_ssa_function, errors::RuntimeError, ssa::{ ir::{ @@ -37,38 +39,60 @@ use crate::{ ssa_gen::Ssa, }, }; -use fxhash::{FxHashMap as HashMap, FxHashSet as HashSet}; +use fxhash::FxHashMap as HashMap; impl Ssa { /// Loop unrolling can return errors, since ACIR functions need to be fully unrolled. /// This meta-pass will keep trying to unroll loops and simplifying the SSA until no more errors are found. - #[tracing::instrument(level = "trace", skip(ssa))] - pub(crate) fn unroll_loops_iteratively(mut ssa: Ssa) -> Result { - for (_, function) in ssa.functions.iter_mut() { + /// + /// The `max_bytecode_incr_pct`, when given, is used to limit the growth of the Brillig bytecode size + /// after unrolling small loops to some percentage of the original loop. For example a value of 150 would + /// mean the new loop can be 150% (ie. 2.5 times) larger than the original loop. It will still contain + /// fewer SSA instructions, but that can still result in more Brillig opcodes. + #[tracing::instrument(level = "trace", skip(self))] + pub(crate) fn unroll_loops_iteratively( + mut self: Ssa, + max_bytecode_increase_percent: Option, + ) -> Result { + for (_, function) in self.functions.iter_mut() { + // Take a snapshot of the function to compare byte size increase, + // but only if the setting indicates we have to, otherwise skip it. + let orig_func_and_max_incr_pct = max_bytecode_increase_percent + .filter(|_| function.runtime().is_brillig()) + .map(|max_incr_pct| (function.clone(), max_incr_pct)); + // Try to unroll loops first: - let mut unroll_errors = function.try_unroll_loops(); + let (mut has_unrolled, mut unroll_errors) = function.try_unroll_loops(); // Keep unrolling until no more errors are found while !unroll_errors.is_empty() { let prev_unroll_err_count = unroll_errors.len(); // Simplify the SSA before retrying - - // Do a mem2reg after the last unroll to aid simplify_cfg - function.mem2reg(); - function.simplify_function(); - // Do another mem2reg after simplify_cfg to aid the next unroll - function.mem2reg(); + simplify_between_unrolls(function); // Unroll again - unroll_errors = function.try_unroll_loops(); + let (new_unrolled, new_errors) = function.try_unroll_loops(); + unroll_errors = new_errors; + has_unrolled |= new_unrolled; + // If we didn't manage to unroll any more loops, exit if unroll_errors.len() >= prev_unroll_err_count { return Err(unroll_errors.swap_remove(0)); } } + + if has_unrolled { + if let Some((orig_function, max_incr_pct)) = orig_func_and_max_incr_pct { + let new_size = brillig_bytecode_size(function); + let orig_size = brillig_bytecode_size(&orig_function); + if !is_new_size_ok(orig_size, new_size, max_incr_pct) { + *function = orig_function; + } + } + } } - Ok(ssa) + Ok(self) } } @@ -77,7 +101,7 @@ impl Function { // This can also be true for ACIR, but we have no alternative to unrolling in ACIR. // Brillig also generally prefers smaller code rather than faster code, // so we only attempt to unroll small loops, which we decide on a case-by-case basis. - fn try_unroll_loops(&mut self) -> Vec { + fn try_unroll_loops(&mut self) -> (bool, Vec) { Loops::find_all(self).unroll_each(self) } } @@ -85,7 +109,7 @@ impl Function { pub(super) struct Loop { /// The header block of a loop is the block which dominates all the /// other blocks in the loop. - header: BasicBlockId, + pub(super) header: BasicBlockId, /// The start of the back_edge n -> d is the block n at the end of /// the loop that jumps back to the header block d which restarts the loop. @@ -170,8 +194,10 @@ impl Loops { /// Unroll all loops within a given function. /// Any loops which fail to be unrolled (due to using non-constant indices) will be unmodified. - fn unroll_each(mut self, function: &mut Function) -> Vec { + /// Returns whether any blocks have been modified + fn unroll_each(mut self, function: &mut Function) -> (bool, Vec) { let mut unroll_errors = vec![]; + let mut has_unrolled = false; while let Some(next_loop) = self.yet_to_unroll.pop() { if function.runtime().is_brillig() && !next_loop.is_small_loop(function, &self.cfg) { continue; @@ -181,13 +207,17 @@ impl Loops { if next_loop.blocks.iter().any(|block| self.modified_blocks.contains(block)) { let mut new_loops = Self::find_all(function); new_loops.failed_to_unroll = self.failed_to_unroll; - return unroll_errors.into_iter().chain(new_loops.unroll_each(function)).collect(); + let (new_unrolled, new_errors) = new_loops.unroll_each(function); + return (has_unrolled || new_unrolled, [unroll_errors, new_errors].concat()); } // Don't try to unroll the loop again if it is known to fail if !self.failed_to_unroll.contains(&next_loop.header) { match next_loop.unroll(function, &self.cfg) { - Ok(_) => self.modified_blocks.extend(next_loop.blocks), + Ok(_) => { + has_unrolled = true; + self.modified_blocks.extend(next_loop.blocks); + } Err(call_stack) => { self.failed_to_unroll.insert(next_loop.header); unroll_errors.push(RuntimeError::UnknownLoopBound { call_stack }); @@ -195,7 +225,7 @@ impl Loops { } } } - unroll_errors + (has_unrolled, unroll_errors) } } @@ -269,7 +299,7 @@ impl Loop { /// v5 = lt v1, u32 4 // Upper bound /// jmpif v5 then: b3, else: b2 /// ``` - fn get_const_upper_bound(&self, function: &Function) -> Option { + pub(super) fn get_const_upper_bound(&self, function: &Function) -> Option { let block = &function.dfg[self.header]; let instructions = block.instructions(); assert_eq!( @@ -947,21 +977,59 @@ impl<'f> LoopIteration<'f> { } } +/// Unrolling leaves some duplicate instructions which can potentially be removed. +fn simplify_between_unrolls(function: &mut Function) { + // Do a mem2reg after the last unroll to aid simplify_cfg + function.mem2reg(); + function.simplify_function(); + // Do another mem2reg after simplify_cfg to aid the next unroll + function.mem2reg(); +} + +/// Convert the function to Brillig bytecode and return the resulting size. +fn brillig_bytecode_size(function: &Function) -> usize { + // We need to do some SSA passes in order for the conversion to be able to go ahead, + // otherwise we can hit `unreachable!()` instructions in `convert_ssa_instruction`. + // Creating a clone so as not to modify the originals. + let mut temp = function.clone(); + + // Might as well give it the best chance. + simplify_between_unrolls(&mut temp); + + // This is to try to prevent hitting ICE. + temp.dead_instruction_elimination(false); + + convert_ssa_function(&temp, false).byte_code.len() +} + +/// Decide if the new bytecode size is acceptable, compared to the original. +/// +/// The maximum increase can be expressed as a negative value if we demand a decrease. +/// (Values -100 and under mean the new size should be 0). +fn is_new_size_ok(orig_size: usize, new_size: usize, max_incr_pct: i32) -> bool { + let max_size_pct = 100i32.saturating_add(max_incr_pct).max(0) as usize; + let max_size = orig_size.saturating_mul(max_size_pct); + new_size.saturating_mul(100) <= max_size +} + #[cfg(test)] mod tests { use acvm::FieldElement; + use test_case::test_case; use crate::errors::RuntimeError; use crate::ssa::{ir::value::ValueId, opt::assert_normalized_ssa_equals, Ssa}; - use super::{BoilerplateStats, Loops}; + use super::{is_new_size_ok, BoilerplateStats, Loops}; - /// Tries to unroll all loops in each SSA function. + /// Tries to unroll all loops in each SSA function once, calling the `Function` directly, + /// bypassing the iterative loop done by the SSA which does further optimisations. + /// /// If any loop cannot be unrolled, it is left as-is or in a partially unrolled state. fn try_unroll_loops(mut ssa: Ssa) -> (Ssa, Vec) { let mut errors = vec![]; for function in ssa.functions.values_mut() { - errors.extend(function.try_unroll_loops()); + errors.extend(function.try_unroll_loops().1); } (ssa, errors) } @@ -1221,9 +1289,26 @@ mod tests { let (ssa, errors) = try_unroll_loops(ssa); assert_eq!(errors.len(), 0, "Unroll should have no errors"); + // Check that it's still the original assert_normalized_ssa_equals(ssa, parse_ssa().to_string().as_str()); } + #[test] + fn test_brillig_unroll_iteratively_respects_max_increase() { + let ssa = brillig_unroll_test_case(); + let ssa = ssa.unroll_loops_iteratively(Some(-90)).unwrap(); + // Check that it's still the original + assert_normalized_ssa_equals(ssa, brillig_unroll_test_case().to_string().as_str()); + } + + #[test] + fn test_brillig_unroll_iteratively_with_large_max_increase() { + let ssa = brillig_unroll_test_case(); + let ssa = ssa.unroll_loops_iteratively(Some(50)).unwrap(); + // Check that it did the unroll + assert_eq!(ssa.main().reachable_blocks().len(), 2, "The loop should be unrolled"); + } + /// Test that `break` and `continue` stop unrolling without any panic. #[test] fn test_brillig_unroll_break_and_continue() { @@ -1377,4 +1462,14 @@ mod tests { let loop0 = loops.yet_to_unroll.pop().expect("there should be a loop"); loop0.boilerplate_stats(function, &loops.cfg).expect("there should be stats") } + + #[test_case(1000, 700, 50, true; "size decreased")] + #[test_case(1000, 1500, 50, true; "size increased just by the max")] + #[test_case(1000, 1501, 50, false; "size increased over the max")] + #[test_case(1000, 700, -50, false; "size decreased but not enough")] + #[test_case(1000, 250, -50, true; "size decreased over expectations")] + #[test_case(1000, 250, -1250, false; "demanding more than minus 100 is handled")] + fn test_is_new_size_ok(old: usize, new: usize, max: i32, ok: bool) { + assert_eq!(is_new_size_ok(old, new, max), ok); + } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/mod.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/mod.rs index 3d8bd37dead..506d2df3dea 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/mod.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/parser/mod.rs @@ -656,7 +656,7 @@ impl<'a> Parser<'a> { if self.eat(Token::Semicolon)? { let length = self.eat_int_or_error()?; self.eat_or_error(Token::RightBracket)?; - return Ok(Type::Array(Arc::new(element_types), length.to_u128() as usize)); + return Ok(Type::Array(Arc::new(element_types), length.to_u128() as u32)); } else { self.eat_or_error(Token::RightBracket)?; return Ok(Type::Slice(Arc::new(element_types))); diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ssa_gen/context.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ssa_gen/context.rs index 0c6041029da..8a09dba64c4 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ssa_gen/context.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ssa_gen/context.rs @@ -172,6 +172,7 @@ impl<'a> FunctionContext<'a> { /// Always returns a Value::Mutable wrapping the allocate instruction. pub(super) fn new_mutable_variable(&mut self, value_to_store: ValueId) -> Value { let element_type = self.builder.current_function.dfg.type_of_value(value_to_store); + self.builder.increment_array_reference_count(value_to_store); let alloc = self.builder.insert_allocate(element_type); self.builder.insert_store(alloc, value_to_store); let typ = self.builder.type_of_value(value_to_store); @@ -236,12 +237,12 @@ impl<'a> FunctionContext<'a> { ast::Type::Field => Type::field(), ast::Type::Array(len, element) => { let element_types = Self::convert_type(element).flatten(); - Type::Array(Arc::new(element_types), *len as usize) + Type::Array(Arc::new(element_types), *len) } ast::Type::Integer(Signedness::Signed, bits) => Type::signed((*bits).into()), ast::Type::Integer(Signedness::Unsigned, bits) => Type::unsigned((*bits).into()), ast::Type::Bool => Type::unsigned(1), - ast::Type::String(len) => Type::str(*len as usize), + ast::Type::String(len) => Type::str(*len), ast::Type::FmtString(_, _) => { panic!("convert_non_tuple_type called on a fmt string: {typ}") } @@ -732,10 +733,6 @@ impl<'a> FunctionContext<'a> { let element_types = Self::convert_type(element_type); values.map_both(element_types, |value, element_type| { let reference = value.eval_reference(); - // Reference counting in brillig relies on us incrementing reference - // counts when arrays/slices are constructed or indexed. - // Thus, if we dereference an lvalue which happens to be array/slice we should increment its reference counter. - self.builder.increment_array_reference_count(reference); self.builder.insert_load(reference, element_type).into() }) } @@ -916,7 +913,10 @@ impl<'a> FunctionContext<'a> { let parameters = self.builder.current_function.dfg.block_parameters(entry).to_vec(); for parameter in parameters { - self.builder.increment_array_reference_count(parameter); + // Avoid reference counts for immutable arrays that aren't behind references. + if self.builder.current_function.dfg.value_is_reference(parameter) { + self.builder.increment_array_reference_count(parameter); + } } entry @@ -933,7 +933,9 @@ impl<'a> FunctionContext<'a> { dropped_parameters.retain(|parameter| !terminator_args.contains(parameter)); for parameter in dropped_parameters { - self.builder.decrement_array_reference_count(parameter); + if self.builder.current_function.dfg.value_is_reference(parameter) { + self.builder.decrement_array_reference_count(parameter); + } } } diff --git a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ssa_gen/mod.rs b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ssa_gen/mod.rs index c50f0a7f45c..d28236bd360 100644 --- a/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ssa_gen/mod.rs +++ b/noir/noir-repo/compiler/noirc_evaluator/src/ssa/ssa_gen/mod.rs @@ -665,12 +665,11 @@ impl<'a> FunctionContext<'a> { values = values.map(|value| { let value = value.eval(self); - // Make sure to increment array reference counts on each let binding - self.builder.increment_array_reference_count(value); - Tree::Leaf(if let_expr.mutable { self.new_mutable_variable(value) } else { + // `new_mutable_variable` already increments rcs internally + self.builder.increment_array_reference_count(value); value::Value::Normal(value) }) }); diff --git a/noir/noir-repo/compiler/noirc_frontend/src/debug/mod.rs b/noir/noir-repo/compiler/noirc_frontend/src/debug/mod.rs index fed3149118b..f05fc721581 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/debug/mod.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/debug/mod.rs @@ -67,12 +67,16 @@ impl DebugInstrumenter { self.insert_state_set_oracle(module, 8); } - fn insert_var(&mut self, var_name: &str) -> SourceVarId { + fn insert_var(&mut self, var_name: &str) -> Option { + if var_name == "_" { + return None; + } + let var_id = SourceVarId(self.next_var_id); self.next_var_id += 1; self.variables.insert(var_id, var_name.to_string()); self.scope.last_mut().unwrap().insert(var_name.to_string(), var_id); - var_id + Some(var_id) } fn lookup_var(&self, var_name: &str) -> Option { @@ -107,9 +111,9 @@ impl DebugInstrumenter { .flat_map(|param| { pattern_vars(¶m.pattern) .iter() - .map(|(id, _is_mut)| { - let var_id = self.insert_var(&id.0.contents); - build_assign_var_stmt(var_id, id_expr(id)) + .filter_map(|(id, _is_mut)| { + let var_id = self.insert_var(&id.0.contents)?; + Some(build_assign_var_stmt(var_id, id_expr(id))) }) .collect::>() }) @@ -225,13 +229,28 @@ impl DebugInstrumenter { } }) .collect(); - let vars_exprs: Vec = vars.iter().map(|(id, _)| id_expr(id)).collect(); + let vars_exprs: Vec = vars + .iter() + .map(|(id, _)| { + // We don't want to generate an expression to read from "_". + // And since this expression is going to be assigned to "_" so it doesn't matter + // what it is, we can use `()` for it. + if id.0.contents == "_" { + ast::Expression { + kind: ast::ExpressionKind::Literal(ast::Literal::Unit), + span: id.span(), + } + } else { + id_expr(id) + } + }) + .collect(); let mut block_stmts = vec![ast::Statement { kind: ast::StatementKind::Let(let_stmt.clone()), span: *span }]; - block_stmts.extend(vars.iter().map(|(id, _)| { - let var_id = self.insert_var(&id.0.contents); - build_assign_var_stmt(var_id, id_expr(id)) + block_stmts.extend(vars.iter().filter_map(|(id, _)| { + let var_id = self.insert_var(&id.0.contents)?; + Some(build_assign_var_stmt(var_id, id_expr(id))) })); block_stmts.push(ast::Statement { kind: ast::StatementKind::Expression(ast::Expression { @@ -422,21 +441,31 @@ impl DebugInstrumenter { let var_name = &for_stmt.identifier.0.contents; let var_id = self.insert_var(var_name); - let set_stmt = build_assign_var_stmt(var_id, id_expr(&for_stmt.identifier)); - let drop_stmt = build_drop_var_stmt(var_id, Span::empty(for_stmt.span.end())); + let set_and_drop_stmt = var_id.map(|var_id| { + ( + build_assign_var_stmt(var_id, id_expr(&for_stmt.identifier)), + build_drop_var_stmt(var_id, Span::empty(for_stmt.span.end())), + ) + }); self.walk_expr(&mut for_stmt.block); + + let mut statements = Vec::new(); + let block_statement = ast::Statement { + kind: ast::StatementKind::Semi(for_stmt.block.clone()), + span: for_stmt.block.span, + }; + + if let Some((set_stmt, drop_stmt)) = set_and_drop_stmt { + statements.push(set_stmt); + statements.push(block_statement); + statements.push(drop_stmt); + } else { + statements.push(block_statement); + } + for_stmt.block = ast::Expression { - kind: ast::ExpressionKind::Block(ast::BlockExpression { - statements: vec![ - set_stmt, - ast::Statement { - kind: ast::StatementKind::Semi(for_stmt.block.clone()), - span: for_stmt.block.span, - }, - drop_stmt, - ], - }), + kind: ast::ExpressionKind::Block(ast::BlockExpression { statements }), span: for_stmt.span, }; } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/comptime.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/comptime.rs index a27e2bf0163..962356d6dd9 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/comptime.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/comptime.rs @@ -329,8 +329,6 @@ impl<'context> Elaborator<'context> { push_arg(Value::TraitDefinition(trait_id)); } else { let (expr_id, expr_type) = interpreter.elaborator.elaborate_expression(arg); - push_arg(interpreter.evaluate(expr_id)?); - if let Err(UnificationError) = expr_type.unify(param_type) { return Err(InterpreterError::TypeMismatch { expected: param_type.clone(), @@ -338,6 +336,7 @@ impl<'context> Elaborator<'context> { location: arg_location, }); } + push_arg(interpreter.evaluate(expr_id)?); }; } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/mod.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/mod.rs index 20d27fbc9ac..478504a79be 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/mod.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/mod.rs @@ -440,6 +440,9 @@ impl<'context> Elaborator<'context> { // so we need to reintroduce the same IDs into scope here. for parameter in &func_meta.parameter_idents { let name = self.interner.definition_name(parameter.id).to_owned(); + if name == "_" { + continue; + } let warn_if_unused = !(func_meta.trait_impl.is_some() && name == "self"); self.add_existing_variable_to_scope(name, parameter.clone(), warn_if_unused); } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/patterns.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/patterns.rs index 3928362db11..3fbdadbbee8 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/patterns.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/patterns.rs @@ -331,16 +331,18 @@ impl<'context> Elaborator<'context> { let resolver_meta = ResolverMeta { num_times_used: 0, ident: ident.clone(), warn_if_unused }; - let scope = self.scopes.get_mut_scope(); - let old_value = scope.add_key_value(name.clone(), resolver_meta); - - if !allow_shadowing { - if let Some(old_value) = old_value { - self.push_err(ResolverError::DuplicateDefinition { - name, - first_span: old_value.ident.location.span, - second_span: location.span, - }); + if name != "_" { + let scope = self.scopes.get_mut_scope(); + let old_value = scope.add_key_value(name.clone(), resolver_meta); + + if !allow_shadowing { + if let Some(old_value) = old_value { + self.push_err(ResolverError::DuplicateDefinition { + name, + first_span: old_value.ident.location.span, + second_span: location.span, + }); + } } } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/types.rs b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/types.rs index 7e06964b563..0404ae3c2c0 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/elaborator/types.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/elaborator/types.rs @@ -1321,11 +1321,23 @@ impl<'context> Elaborator<'context> { { Some(method_id) => Some(HirMethodReference::FuncId(method_id)), None => { - self.push_err(TypeCheckError::UnresolvedMethodCall { - method_name: method_name.to_string(), - object_type: object_type.clone(), - span, - }); + let has_field_with_function_type = + typ.borrow().get_fields_as_written().into_iter().any(|field| { + field.name.0.contents == method_name && field.typ.is_function() + }); + if has_field_with_function_type { + self.push_err(TypeCheckError::CannotInvokeStructFieldFunctionType { + method_name: method_name.to_string(), + object_type: object_type.clone(), + span, + }); + } else { + self.push_err(TypeCheckError::UnresolvedMethodCall { + method_name: method_name.to_string(), + object_type: object_type.clone(), + span, + }); + } None } } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/errors.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/errors.rs index 80bd5247ee6..5c8e0a1b53e 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/errors.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/resolution/errors.rs @@ -223,11 +223,21 @@ impl<'a> From<&'a ResolverError> for Diagnostic { *span, ) } - ResolverError::VariableNotDeclared { name, span } => Diagnostic::simple_error( - format!("cannot find `{name}` in this scope "), - "not found in this scope".to_string(), - *span, - ), + ResolverError::VariableNotDeclared { name, span } => { + if name == "_" { + Diagnostic::simple_error( + "in expressions, `_` can only be used on the left-hand side of an assignment".to_string(), + "`_` not allowed here".to_string(), + *span, + ) + } else { + Diagnostic::simple_error( + format!("cannot find `{name}` in this scope"), + "not found in this scope".to_string(), + *span, + ) + } + }, ResolverError::PathIsNotIdent { span } => Diagnostic::simple_error( "cannot use path as an identifier".to_string(), String::new(), diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir/type_check/errors.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir/type_check/errors.rs index a6b6120986e..dfa431157e3 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir/type_check/errors.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir/type_check/errors.rs @@ -99,6 +99,8 @@ pub enum TypeCheckError { CannotMutateImmutableVariable { name: String, span: Span }, #[error("No method named '{method_name}' found for type '{object_type}'")] UnresolvedMethodCall { method_name: String, object_type: Type, span: Span }, + #[error("Cannot invoke function field '{method_name}' on type '{object_type}' as a method")] + CannotInvokeStructFieldFunctionType { method_name: String, object_type: Type, span: Span }, #[error("Integers must have the same signedness LHS is {sign_x:?}, RHS is {sign_y:?}")] IntegerSignedness { sign_x: Signedness, sign_y: Signedness, span: Span }, #[error("Integers must have the same bit width LHS is {bit_width_x}, RHS is {bit_width_y}")] @@ -511,6 +513,13 @@ impl<'a> From<&'a TypeCheckError> for Diagnostic { TypeCheckError::CyclicType { typ: _, span } => { Diagnostic::simple_error(error.to_string(), "Cyclic types have unlimited size and are prohibited in Noir".into(), *span) } + TypeCheckError::CannotInvokeStructFieldFunctionType { method_name, object_type, span } => { + Diagnostic::simple_error( + format!("Cannot invoke function field '{method_name}' on type '{object_type}' as a method"), + format!("to call the function stored in '{method_name}', surround the field access with parentheses: '(', ')'"), + *span, + ) + }, } } } diff --git a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types.rs b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types.rs index 659fafbbcbb..2c9a44c079d 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/hir_def/types.rs @@ -1087,6 +1087,14 @@ impl Type { } } + pub fn is_function(&self) -> bool { + match self.follow_bindings_shallow().as_ref() { + Type::Function(..) => true, + Type::Alias(alias_type, _) => alias_type.borrow().typ.is_function(), + _ => false, + } + } + /// True if this type can be used as a parameter to `main` or a contract function. /// This is only false for unsized types like slices or slices that do not make sense /// as a program input such as named generics or mutable references. diff --git a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/expression.rs b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/expression.rs index 06f51b16842..e1ecc972eeb 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/expression.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/parser/parser/expression.rs @@ -428,8 +428,8 @@ impl<'a> Parser<'a> { Some(if self.eat_colon() { let expression = self.parse_expression_or_error(); (ident, expression) - } else if self.at(Token::Assign) { - // If we find '=' instead of ':', assume the user meant ':`, error and continue + } else if self.at(Token::DoubleColon) || self.at(Token::Assign) { + // If we find '=' or '::' instead of ':', assume the user meant ':`, error and continue self.expected_token(Token::Colon); self.bump(); let expression = self.parse_expression_or_error(); @@ -1369,6 +1369,34 @@ mod tests { assert_eq!(expr.to_string(), "y"); } + #[test] + fn parses_constructor_recovers_if_double_colon_instead_of_colon() { + let src = " + Foo { x: 1, y:: z } + ^^ + "; + let (src, span) = get_source_with_error_span(src); + let mut parser = Parser::for_str(&src); + let expr = parser.parse_expression_or_error(); + + let error = get_single_error(&parser.errors, span); + assert_eq!(error.to_string(), "Expected a ':' but found '::'"); + + let ExpressionKind::Constructor(mut constructor) = expr.kind else { + panic!("Expected constructor"); + }; + assert_eq!(constructor.typ.to_string(), "Foo"); + assert_eq!(constructor.fields.len(), 2); + + let (name, expr) = constructor.fields.remove(0); + assert_eq!(name.to_string(), "x"); + assert_eq!(expr.to_string(), "1"); + + let (name, expr) = constructor.fields.remove(0); + assert_eq!(name.to_string(), "y"); + assert_eq!(expr.to_string(), "z"); + } + #[test] fn parses_parses_if_true() { let src = "if true { 1 }"; diff --git a/noir/noir-repo/compiler/noirc_frontend/src/tests.rs b/noir/noir-repo/compiler/noirc_frontend/src/tests.rs index 605236c8dda..cba29d58ea3 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/tests.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/tests.rs @@ -3752,6 +3752,35 @@ fn allows_struct_with_generic_infix_type_as_main_input_3() { assert_no_errors(src); } +#[test] +fn errors_with_better_message_when_trying_to_invoke_struct_field_that_is_a_function() { + let src = r#" + pub struct Foo { + wrapped: fn(Field) -> bool, + } + + impl Foo { + fn call(self) -> bool { + self.wrapped(1) + } + } + + fn main() {} + "#; + let errors = get_program_errors(src); + assert_eq!(errors.len(), 1); + + let CompilationError::TypeError(TypeCheckError::CannotInvokeStructFieldFunctionType { + method_name, + .. + }) = &errors[0].0 + else { + panic!("Expected a 'CannotInvokeStructFieldFunctionType' error, got {:?}", errors[0].0); + }; + + assert_eq!(method_name, "wrapped"); +} + fn test_disallows_attribute_on_impl_method( attr: &str, check_error: impl FnOnce(&CompilationError), @@ -3845,3 +3874,33 @@ fn disallows_export_attribute_on_trait_impl_method() { )); }); } + +#[test] +fn allows_multiple_underscore_parameters() { + let src = r#" + pub fn foo(_: i32, _: i64) {} + + fn main() {} + "#; + assert_no_errors(src); +} + +#[test] +fn disallows_underscore_on_right_hand_side() { + let src = r#" + fn main() { + let _ = 1; + let _x = _; + } + "#; + let errors = get_program_errors(src); + assert_eq!(errors.len(), 1); + + let CompilationError::ResolverError(ResolverError::VariableNotDeclared { name, .. }) = + &errors[0].0 + else { + panic!("Expected a VariableNotDeclared error, got {:?}", errors[0].0); + }; + + assert_eq!(name, "_"); +} diff --git a/noir/noir-repo/compiler/noirc_frontend/src/tests/metaprogramming.rs b/noir/noir-repo/compiler/noirc_frontend/src/tests/metaprogramming.rs index 82c40203244..89a049ebc9d 100644 --- a/noir/noir-repo/compiler/noirc_frontend/src/tests/metaprogramming.rs +++ b/noir/noir-repo/compiler/noirc_frontend/src/tests/metaprogramming.rs @@ -141,3 +141,23 @@ fn errors_if_macros_inject_functions_with_name_collisions() { ) if contents == "foo" )); } + +#[test] +fn uses_correct_type_for_attribute_arguments() { + let src = r#" + #[foo(32)] + comptime fn foo(_f: FunctionDefinition, i: u32) { + let y: u32 = 1; + let _ = y == i; + } + + #[bar([0; 2])] + comptime fn bar(_f: FunctionDefinition, i: [u32; 2]) { + let y: u32 = 1; + let _ = y == i[0]; + } + + fn main() {} + "#; + assert_no_errors(src); +} diff --git a/noir/noir-repo/compiler/noirc_printable_type/src/lib.rs b/noir/noir-repo/compiler/noirc_printable_type/src/lib.rs index 5ab04c6f576..838a2472125 100644 --- a/noir/noir-repo/compiler/noirc_printable_type/src/lib.rs +++ b/noir/noir-repo/compiler/noirc_printable_type/src/lib.rs @@ -69,6 +69,9 @@ pub enum PrintableValueDisplay { #[derive(Debug, Error)] pub enum ForeignCallError { + #[error("No handler could be found for foreign call `{0}`")] + NoHandler(String), + #[error("Foreign call inputs needed for execution are missing")] MissingForeignCallInputs, diff --git a/noir/noir-repo/compiler/wasm/Cargo.toml b/noir/noir-repo/compiler/wasm/Cargo.toml index c8b8c3bb06e..9951b23f609 100644 --- a/noir/noir-repo/compiler/wasm/Cargo.toml +++ b/noir/noir-repo/compiler/wasm/Cargo.toml @@ -1,10 +1,12 @@ [package] name = "noir_wasm" +description = "A JS interface to the Noir compiler" version.workspace = true authors.workspace = true edition.workspace = true rust-version.workspace = true license.workspace = true +repository.workspace = true [lints] workspace = true @@ -42,4 +44,4 @@ getrandom = { workspace = true, features = ["js"] } rust-embed = { workspace = true, features = ["debug-embed"] } [build-dependencies] -build-data.workspace = true \ No newline at end of file +build-data.workspace = true diff --git a/noir/noir-repo/compiler/wasm/LICENSE-APACHE b/noir/noir-repo/compiler/wasm/LICENSE-APACHE new file mode 100644 index 00000000000..261eeb9e9f8 --- /dev/null +++ b/noir/noir-repo/compiler/wasm/LICENSE-APACHE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE. diff --git a/noir/noir-repo/compiler/wasm/tsconfig.json b/noir/noir-repo/compiler/wasm/tsconfig.json index d2ae58b8fc9..42c7396aa83 100644 --- a/noir/noir-repo/compiler/wasm/tsconfig.json +++ b/noir/noir-repo/compiler/wasm/tsconfig.json @@ -18,4 +18,4 @@ "allowJs": true, }, "exclude": ["node_modules"] -} \ No newline at end of file +} diff --git a/noir/noir-repo/cspell.json b/noir/noir-repo/cspell.json index 36bba737cd7..5c707e92e21 100644 --- a/noir/noir-repo/cspell.json +++ b/noir/noir-repo/cspell.json @@ -106,6 +106,7 @@ "Guillaume", "gzipped", "hasher", + "heaptrack", "hexdigit", "higher-kinded", "Hindley-Milner", @@ -154,6 +155,7 @@ "nargo", "neovim", "newtype", + "nextest", "nightlies", "nixpkgs", "noirc", diff --git a/noir/noir-repo/docs/docs/noir/standard_library/containers/boundedvec.md b/noir/noir-repo/docs/docs/noir/standard_library/containers/boundedvec.md index 98b7d584033..4efb1e4ea0f 100644 --- a/noir/noir-repo/docs/docs/noir/standard_library/containers/boundedvec.md +++ b/noir/noir-repo/docs/docs/noir/standard_library/containers/boundedvec.md @@ -246,6 +246,42 @@ Example: let bounded_vec: BoundedVec = BoundedVec::from_array([1, 2, 3]) ``` +### from_parts + +```rust +pub fn from_parts(mut array: [T; MaxLen], len: u32) -> Self +``` + +Creates a new BoundedVec from the given array and length. +The given length must be less than or equal to the length of the array. + +This function will zero out any elements at or past index `len` of `array`. +This incurs an extra runtime cost of O(MaxLen). If you are sure your array is +zeroed after that index, you can use `from_parts_unchecked` to remove the extra loop. + +Example: + +#include_code from-parts noir_stdlib/src/collections/bounded_vec.nr rust + +### from_parts_unchecked + +```rust +pub fn from_parts_unchecked(array: [T; MaxLen], len: u32) -> Self +``` + +Creates a new BoundedVec from the given array and length. +The given length must be less than or equal to the length of the array. + +This function is unsafe because it expects all elements past the `len` index +of `array` to be zeroed, but does not check for this internally. Use `from_parts` +for a safe version of this function which does zero out any indices past the +given length. Invalidating this assumption can notably cause `BoundedVec::eq` +to give incorrect results since it will check even elements past `len`. + +Example: + +#include_code from-parts-unchecked noir_stdlib/src/collections/bounded_vec.nr rust + ### map ```rust diff --git a/noir/noir-repo/noir_stdlib/src/collections/bounded_vec.nr b/noir/noir-repo/noir_stdlib/src/collections/bounded_vec.nr index f33890f197e..0ad39c518c4 100644 --- a/noir/noir-repo/noir_stdlib/src/collections/bounded_vec.nr +++ b/noir/noir-repo/noir_stdlib/src/collections/bounded_vec.nr @@ -420,6 +420,58 @@ impl BoundedVec { } ret } + + /// Creates a new BoundedVec from the given array and length. + /// The given length must be less than or equal to the length of the array. + /// + /// This function will zero out any elements at or past index `len` of `array`. + /// This incurs an extra runtime cost of O(MaxLen). If you are sure your array is + /// zeroed after that index, you can use `from_parts_unchecked` to remove the extra loop. + /// + /// Example: + /// + /// ```noir + /// let vec: BoundedVec = BoundedVec::from_parts([1, 2, 3, 0], 3); + /// assert_eq(vec.len(), 3); + /// ``` + pub fn from_parts(mut array: [T; MaxLen], len: u32) -> Self { + assert(len <= MaxLen); + let zeroed = crate::mem::zeroed(); + for i in 0..MaxLen { + if i >= len { + array[i] = zeroed; + } + } + BoundedVec { storage: array, len } + } + + /// Creates a new BoundedVec from the given array and length. + /// The given length must be less than or equal to the length of the array. + /// + /// This function is unsafe because it expects all elements past the `len` index + /// of `array` to be zeroed, but does not check for this internally. Use `from_parts` + /// for a safe version of this function which does zero out any indices past the + /// given length. Invalidating this assumption can notably cause `BoundedVec::eq` + /// to give incorrect results since it will check even elements past `len`. + /// + /// Example: + /// + /// ```noir + /// let vec: BoundedVec = BoundedVec::from_parts_unchecked([1, 2, 3, 0], 3); + /// assert_eq(vec.len(), 3); + /// + /// // invalid use! + /// let vec1: BoundedVec = BoundedVec::from_parts_unchecked([1, 2, 3, 1], 3); + /// let vec2: BoundedVec = BoundedVec::from_parts_unchecked([1, 2, 3, 2], 3); + /// + /// // both vecs have length 3 so we'd expect them to be equal, but this + /// // fails because elements past the length are still checked in eq + /// assert_eq(vec1, vec2); // fails + /// ``` + pub fn from_parts_unchecked(array: [T; MaxLen], len: u32) -> Self { + assert(len <= MaxLen); + BoundedVec { storage: array, len } + } } impl Eq for BoundedVec @@ -431,7 +483,11 @@ where // // We make the assumption that the user has used the proper interface for working with `BoundedVec`s // rather than directly manipulating the internal fields as this can result in an inconsistent internal state. - (self.len == other.len) & (self.storage == other.storage) + if self.len == other.len { + self.storage == other.storage + } else { + false + } } } @@ -598,4 +654,38 @@ mod bounded_vec_tests { assert(bounded_vec1 != bounded_vec2); } } + + mod from_parts { + use crate::collections::bounded_vec::BoundedVec; + + #[test] + fn from_parts() { + // docs:start:from-parts + let vec: BoundedVec = BoundedVec::from_parts([1, 2, 3, 0], 3); + assert_eq(vec.len(), 3); + + // Any elements past the given length are zeroed out, so these + // two BoundedVecs will be completely equal + let vec1: BoundedVec = BoundedVec::from_parts([1, 2, 3, 1], 3); + let vec2: BoundedVec = BoundedVec::from_parts([1, 2, 3, 2], 3); + assert_eq(vec1, vec2); + // docs:end:from-parts + } + + #[test] + fn from_parts_unchecked() { + // docs:start:from-parts-unchecked + let vec: BoundedVec = BoundedVec::from_parts_unchecked([1, 2, 3, 0], 3); + assert_eq(vec.len(), 3); + + // invalid use! + let vec1: BoundedVec = BoundedVec::from_parts_unchecked([1, 2, 3, 1], 3); + let vec2: BoundedVec = BoundedVec::from_parts_unchecked([1, 2, 3, 2], 3); + + // both vecs have length 3 so we'd expect them to be equal, but this + // fails because elements past the length are still checked in eq + assert(vec1 != vec2); + // docs:end:from-parts-unchecked + } + } } diff --git a/noir/noir-repo/noir_stdlib/src/hash/poseidon2.nr b/noir/noir-repo/noir_stdlib/src/hash/poseidon2.nr index f2167c43c2c..419f07a2aca 100644 --- a/noir/noir-repo/noir_stdlib/src/hash/poseidon2.nr +++ b/noir/noir-repo/noir_stdlib/src/hash/poseidon2.nr @@ -13,11 +13,7 @@ pub struct Poseidon2 { impl Poseidon2 { #[no_predicates] pub fn hash(input: [Field; N], message_size: u32) -> Field { - if message_size == N { - Poseidon2::hash_internal(input, N, false) - } else { - Poseidon2::hash_internal(input, message_size, true) - } + Poseidon2::hash_internal(input, message_size, message_size != N) } pub(crate) fn new(iv: Field) -> Poseidon2 { diff --git a/noir/noir-repo/test_programs/execution_success/inline_decompose_hint_brillig_call/Nargo.toml b/noir/noir-repo/test_programs/execution_success/inline_decompose_hint_brillig_call/Nargo.toml new file mode 100644 index 00000000000..ecac2dfb197 --- /dev/null +++ b/noir/noir-repo/test_programs/execution_success/inline_decompose_hint_brillig_call/Nargo.toml @@ -0,0 +1,7 @@ +[package] +name = "inline_decompose_hint_brillig_call" +version = "0.1.0" +type = "bin" +authors = [""] + +[dependencies] diff --git a/noir/noir-repo/test_programs/execution_success/inline_decompose_hint_brillig_call/src/main.nr b/noir/noir-repo/test_programs/execution_success/inline_decompose_hint_brillig_call/src/main.nr new file mode 100644 index 00000000000..e500f0f976d --- /dev/null +++ b/noir/noir-repo/test_programs/execution_success/inline_decompose_hint_brillig_call/src/main.nr @@ -0,0 +1,15 @@ +use std::embedded_curve_ops::{EmbeddedCurvePoint, EmbeddedCurveScalar, fixed_base_scalar_mul}; + +fn main() -> pub Field { + let pre_address = 0x23d95e303879a5d0bbef78ecbc335e559da37431f6dcd11da54ed375c2846813; + let (a, b) = std::field::bn254::decompose(pre_address); + let curve = EmbeddedCurveScalar { lo: a, hi: b }; + let key = fixed_base_scalar_mul(curve); + let point = EmbeddedCurvePoint { + x: 0x111223493147f6785514b1c195bb37a2589f22a6596d30bb2bb145fdc9ca8f1e, + y: 0x273bbffd678edce8fe30e0deafc4f66d58357c06fd4a820285294b9746c3be95, + is_infinite: false, + }; + let address_point = key.add(point); + address_point.x +} diff --git a/noir/noir-repo/test_programs/execution_success/loop_invariant_regression/src/main.nr b/noir/noir-repo/test_programs/execution_success/loop_invariant_regression/src/main.nr index 25f6e92f868..c28ce063116 100644 --- a/noir/noir-repo/test_programs/execution_success/loop_invariant_regression/src/main.nr +++ b/noir/noir-repo/test_programs/execution_success/loop_invariant_regression/src/main.nr @@ -2,6 +2,7 @@ // to be hoisted to the loop's pre-header block. fn main(x: u32, y: u32) { loop(4, x, y); + array_read_loop(4, x); } fn loop(upper_bound: u32, x: u32, y: u32) { @@ -11,3 +12,15 @@ fn loop(upper_bound: u32, x: u32, y: u32) { assert_eq(z, 12); } } + +fn array_read_loop(upper_bound: u32, x: u32) { + let arr = [2; 5]; + for i in 0..upper_bound { + for j in 0..upper_bound { + for _ in 0..upper_bound { + assert_eq(arr[i], x); + assert_eq(arr[j], x); + } + } + } +} diff --git a/noir/noir-repo/test_programs/execution_success/reference_counts/src/main.nr b/noir/noir-repo/test_programs/execution_success/reference_counts/src/main.nr index 7ab7de893fa..86b5c812472 100644 --- a/noir/noir-repo/test_programs/execution_success/reference_counts/src/main.nr +++ b/noir/noir-repo/test_programs/execution_success/reference_counts/src/main.nr @@ -1,6 +1,6 @@ fn main() { let mut array = [0, 1, 2]; - assert_refcount(array, 1); + assert_refcount(array, 2); borrow(array, std::mem::array_refcount(array)); borrow_mut(&mut array, std::mem::array_refcount(array)); @@ -13,13 +13,13 @@ fn borrow(array: [Field; 3], rc_before_call: u32) { } fn borrow_mut(array: &mut [Field; 3], rc_before_call: u32) { - assert_refcount(*array, rc_before_call + 0); // Issue! This should be rc_before_call + 1 + assert_refcount(*array, rc_before_call + 1); array[0] = 5; println(array[0]); } fn copy_mut(mut array: [Field; 3], rc_before_call: u32) { - assert_refcount(array, rc_before_call + 0); // Issue! This should be rc_before_call + 1 + assert_refcount(array, rc_before_call + 1); array[0] = 6; println(array[0]); } diff --git a/noir/noir-repo/test_programs/gates_report_brillig.sh b/noir/noir-repo/test_programs/gates_report_brillig.sh old mode 100644 new mode 100755 diff --git a/noir/noir-repo/test_programs/gates_report_brillig_execution.sh b/noir/noir-repo/test_programs/gates_report_brillig_execution.sh old mode 100644 new mode 100755 diff --git a/noir/noir-repo/test_programs/memory_report.sh b/noir/noir-repo/test_programs/memory_report.sh new file mode 100755 index 00000000000..1b8274b76cc --- /dev/null +++ b/noir/noir-repo/test_programs/memory_report.sh @@ -0,0 +1,48 @@ +#!/usr/bin/env bash +set -e + +sudo apt-get install heaptrack + +NARGO="nargo" + + +# Tests to be profiled for memory report +tests_to_profile=("keccak256" "workspace" "regression_4709" "ram_blowup_regression") + +current_dir=$(pwd) +execution_success_path="$current_dir/execution_success" +test_dirs=$(ls $execution_success_path) + +FIRST="1" + +echo "{\"memory_reports\": [ " > memory_report.json + + +for test_name in ${tests_to_profile[@]}; do + full_path=$execution_success_path"/"$test_name + cd $full_path + + if [ $FIRST = "1" ] + then + FIRST="0" + else + echo " ," >> $current_dir"/memory_report.json" + fi + heaptrack --output $current_dir/$test_name"_heap" $NARGO compile --force + if test -f $current_dir/$test_name"_heap.gz"; + then + heaptrack --analyze $current_dir/$test_name"_heap.gz" > $current_dir/$test_name"_heap_analysis.txt" + rm $current_dir/$test_name"_heap.gz" + else + heaptrack --analyze $current_dir/$test_name"_heap.zst" > $current_dir/$test_name"_heap_analysis.txt" + rm $current_dir/$test_name"_heap.zst" + fi + consumption="$(grep 'peak heap memory consumption' $current_dir/$test_name'_heap_analysis.txt')" + len=${#consumption}-30 + peak=${consumption:30:len} + rm $current_dir/$test_name"_heap_analysis.txt" + echo -e " {\n \"artifact_name\":\"$test_name\",\n \"peak_memory\":\"$peak\"\n }" >> $current_dir"/memory_report.json" +done + +echo "]}" >> $current_dir"/memory_report.json" + diff --git a/noir/noir-repo/tooling/acvm_cli/src/cli/execute_cmd.rs b/noir/noir-repo/tooling/acvm_cli/src/cli/execute_cmd.rs index c453936568c..bf5969718e5 100644 --- a/noir/noir-repo/tooling/acvm_cli/src/cli/execute_cmd.rs +++ b/noir/noir-repo/tooling/acvm_cli/src/cli/execute_cmd.rs @@ -8,7 +8,7 @@ use clap::Args; use crate::cli::fs::inputs::{read_bytecode_from_file, read_inputs_from_file}; use crate::errors::CliError; -use nargo::ops::{execute_program, DefaultForeignCallExecutor}; +use nargo::{foreign_calls::DefaultForeignCallExecutor, ops::execute_program}; use super::fs::witness::{create_output_witness_string, save_witness_to_dir}; diff --git a/noir/noir-repo/tooling/debugger/src/foreign_calls.rs b/noir/noir-repo/tooling/debugger/src/foreign_calls.rs index 6a773a4b348..ecf27a22f29 100644 --- a/noir/noir-repo/tooling/debugger/src/foreign_calls.rs +++ b/noir/noir-repo/tooling/debugger/src/foreign_calls.rs @@ -3,7 +3,7 @@ use acvm::{ pwg::ForeignCallWaitInfo, AcirField, FieldElement, }; -use nargo::ops::{DefaultForeignCallExecutor, ForeignCallExecutor}; +use nargo::foreign_calls::{DefaultForeignCallExecutor, ForeignCallExecutor}; use noirc_artifacts::debug::{DebugArtifact, DebugVars, StackFrame}; use noirc_errors::debug_info::{DebugFnId, DebugVarId}; use noirc_printable_type::ForeignCallError; diff --git a/noir/noir-repo/tooling/lsp/src/requests/completion/tests.rs b/noir/noir-repo/tooling/lsp/src/requests/completion/tests.rs index 9306e38a48a..97c7ad86d5a 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/completion/tests.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/completion/tests.rs @@ -1586,6 +1586,54 @@ fn main() { assert_eq!(changed, expected); } + #[test] + async fn test_auto_import_inserts_after_last_use_in_nested_module() { + let src = r#"mod foo { + pub mod bar { + pub fn hello_world() {} + } +} + +mod baz { + fn qux() {} +} + +mod other { + use baz::qux; + + fn main() { + hel>|< + } +}"#; + + let expected = r#"mod foo { + pub mod bar { + pub fn hello_world() {} + } +} + +mod baz { + fn qux() {} +} + +mod other { + use baz::qux; + use super::foo::bar::hello_world; + + fn main() { + hel + } +}"#; + let mut items = get_completions(src).await; + assert_eq!(items.len(), 1); + + let item = items.remove(0); + + let changed = + apply_text_edits(&src.replace(">|<", ""), &item.additional_text_edits.unwrap()); + assert_eq!(changed, expected); + } + #[test] async fn test_does_not_auto_import_test_functions() { let src = r#" diff --git a/noir/noir-repo/tooling/lsp/src/requests/test_run.rs b/noir/noir-repo/tooling/lsp/src/requests/test_run.rs index 50c699bb6a6..937fdcc0a5e 100644 --- a/noir/noir-repo/tooling/lsp/src/requests/test_run.rs +++ b/noir/noir-repo/tooling/lsp/src/requests/test_run.rs @@ -101,6 +101,11 @@ fn on_test_run_request_inner( result: "fail".to_string(), message: Some(message), }, + TestStatus::Skipped => NargoTestRunResult { + id: params.id.clone(), + result: "skipped".to_string(), + message: None, + }, TestStatus::CompileError(diag) => NargoTestRunResult { id: params.id.clone(), result: "error".to_string(), diff --git a/noir/noir-repo/tooling/lsp/src/use_segment_positions.rs b/noir/noir-repo/tooling/lsp/src/use_segment_positions.rs index f9a3f429029..246ff653245 100644 --- a/noir/noir-repo/tooling/lsp/src/use_segment_positions.rs +++ b/noir/noir-repo/tooling/lsp/src/use_segment_positions.rs @@ -318,7 +318,7 @@ fn new_use_completion_item_additional_text_edits( request: UseCompletionItemAdditionTextEditsRequest, ) -> Vec { let line = request.auto_import_line as u32; - let character = (request.nesting * 4) as u32; + let character = 0; let indent = " ".repeat(request.nesting * 4); let mut newlines = "\n"; @@ -331,6 +331,6 @@ fn new_use_completion_item_additional_text_edits( vec![TextEdit { range: Range { start: Position { line, character }, end: Position { line, character } }, - new_text: format!("use {};{}{}", request.full_path, newlines, indent), + new_text: format!("{}use {};{}", indent, request.full_path, newlines), }] } diff --git a/noir/noir-repo/tooling/nargo/src/foreign_calls/mocker.rs b/noir/noir-repo/tooling/nargo/src/foreign_calls/mocker.rs new file mode 100644 index 00000000000..c93d16bbaf6 --- /dev/null +++ b/noir/noir-repo/tooling/nargo/src/foreign_calls/mocker.rs @@ -0,0 +1,176 @@ +use acvm::{ + acir::brillig::{ForeignCallParam, ForeignCallResult}, + pwg::ForeignCallWaitInfo, + AcirField, +}; +use noirc_printable_type::{decode_string_value, ForeignCallError}; +use serde::{Deserialize, Serialize}; + +use super::{ForeignCall, ForeignCallExecutor}; + +/// This struct represents an oracle mock. It can be used for testing programs that use oracles. +#[derive(Debug, PartialEq, Eq, Clone)] +struct MockedCall { + /// The id of the mock, used to update or remove it + id: usize, + /// The oracle it's mocking + name: String, + /// Optionally match the parameters + params: Option>>, + /// The parameters with which the mock was last called + last_called_params: Option>>, + /// The result to return when this mock is called + result: ForeignCallResult, + /// How many times should this mock be called before it is removed + times_left: Option, +} + +impl MockedCall { + fn new(id: usize, name: String) -> Self { + Self { + id, + name, + params: None, + last_called_params: None, + result: ForeignCallResult { values: vec![] }, + times_left: None, + } + } +} + +impl MockedCall { + fn matches(&self, name: &str, params: &[ForeignCallParam]) -> bool { + self.name == name && (self.params.is_none() || self.params.as_deref() == Some(params)) + } +} + +#[derive(Debug, Default)] +pub(crate) struct MockForeignCallExecutor { + /// Mocks have unique ids used to identify them in Noir, allowing to update or remove them. + last_mock_id: usize, + /// The registered mocks + mocked_responses: Vec>, +} + +impl MockForeignCallExecutor { + fn extract_mock_id( + foreign_call_inputs: &[ForeignCallParam], + ) -> Result<(usize, &[ForeignCallParam]), ForeignCallError> { + let (id, params) = + foreign_call_inputs.split_first().ok_or(ForeignCallError::MissingForeignCallInputs)?; + let id = + usize::try_from(id.unwrap_field().try_to_u64().expect("value does not fit into u64")) + .expect("value does not fit into usize"); + Ok((id, params)) + } + + fn find_mock_by_id(&self, id: usize) -> Option<&MockedCall> { + self.mocked_responses.iter().find(|response| response.id == id) + } + + fn find_mock_by_id_mut(&mut self, id: usize) -> Option<&mut MockedCall> { + self.mocked_responses.iter_mut().find(|response| response.id == id) + } + + fn parse_string(param: &ForeignCallParam) -> String { + let fields: Vec<_> = param.fields().to_vec(); + decode_string_value(&fields) + } +} + +impl Deserialize<'a>> ForeignCallExecutor + for MockForeignCallExecutor +{ + fn execute( + &mut self, + foreign_call: &ForeignCallWaitInfo, + ) -> Result, ForeignCallError> { + let foreign_call_name = foreign_call.function.as_str(); + match ForeignCall::lookup(foreign_call_name) { + Some(ForeignCall::CreateMock) => { + let mock_oracle_name = Self::parse_string(&foreign_call.inputs[0]); + assert!(ForeignCall::lookup(&mock_oracle_name).is_none()); + let id = self.last_mock_id; + self.mocked_responses.push(MockedCall::new(id, mock_oracle_name)); + self.last_mock_id += 1; + + Ok(F::from(id).into()) + } + Some(ForeignCall::SetMockParams) => { + let (id, params) = Self::extract_mock_id(&foreign_call.inputs)?; + self.find_mock_by_id_mut(id) + .unwrap_or_else(|| panic!("Unknown mock id {}", id)) + .params = Some(params.to_vec()); + + Ok(ForeignCallResult::default()) + } + Some(ForeignCall::GetMockLastParams) => { + let (id, _) = Self::extract_mock_id(&foreign_call.inputs)?; + let mock = + self.find_mock_by_id(id).unwrap_or_else(|| panic!("Unknown mock id {}", id)); + + let last_called_params = mock + .last_called_params + .clone() + .unwrap_or_else(|| panic!("Mock {} was never called", mock.name)); + + Ok(last_called_params.into()) + } + Some(ForeignCall::SetMockReturns) => { + let (id, params) = Self::extract_mock_id(&foreign_call.inputs)?; + self.find_mock_by_id_mut(id) + .unwrap_or_else(|| panic!("Unknown mock id {}", id)) + .result = ForeignCallResult { values: params.to_vec() }; + + Ok(ForeignCallResult::default()) + } + Some(ForeignCall::SetMockTimes) => { + let (id, params) = Self::extract_mock_id(&foreign_call.inputs)?; + let times = + params[0].unwrap_field().try_to_u64().expect("Invalid bit size of times"); + + self.find_mock_by_id_mut(id) + .unwrap_or_else(|| panic!("Unknown mock id {}", id)) + .times_left = Some(times); + + Ok(ForeignCallResult::default()) + } + Some(ForeignCall::ClearMock) => { + let (id, _) = Self::extract_mock_id(&foreign_call.inputs)?; + self.mocked_responses.retain(|response| response.id != id); + Ok(ForeignCallResult::default()) + } + _ => { + let mock_response_position = self + .mocked_responses + .iter() + .position(|response| response.matches(foreign_call_name, &foreign_call.inputs)); + + if let Some(response_position) = mock_response_position { + // If the program has registered a mocked response to this oracle call then we prefer responding + // with that. + + let mock = self + .mocked_responses + .get_mut(response_position) + .expect("Invalid position of mocked response"); + + mock.last_called_params = Some(foreign_call.inputs.clone()); + + let result = mock.result.values.clone(); + + if let Some(times_left) = &mut mock.times_left { + *times_left -= 1; + if *times_left == 0 { + self.mocked_responses.remove(response_position); + } + } + + Ok(result.into()) + } else { + Err(ForeignCallError::NoHandler(foreign_call_name.to_string())) + } + } + } + } +} diff --git a/noir/noir-repo/tooling/nargo/src/foreign_calls/mod.rs b/noir/noir-repo/tooling/nargo/src/foreign_calls/mod.rs new file mode 100644 index 00000000000..16ed71e11e3 --- /dev/null +++ b/noir/noir-repo/tooling/nargo/src/foreign_calls/mod.rs @@ -0,0 +1,146 @@ +use std::path::PathBuf; + +use acvm::{acir::brillig::ForeignCallResult, pwg::ForeignCallWaitInfo, AcirField}; +use mocker::MockForeignCallExecutor; +use noirc_printable_type::ForeignCallError; +use print::PrintForeignCallExecutor; +use rand::Rng; +use rpc::RPCForeignCallExecutor; +use serde::{Deserialize, Serialize}; + +pub(crate) mod mocker; +pub(crate) mod print; +pub(crate) mod rpc; + +pub trait ForeignCallExecutor { + fn execute( + &mut self, + foreign_call: &ForeignCallWaitInfo, + ) -> Result, ForeignCallError>; +} + +/// This enumeration represents the Brillig foreign calls that are natively supported by nargo. +/// After resolution of a foreign call, nargo will restart execution of the ACVM +pub enum ForeignCall { + Print, + CreateMock, + SetMockParams, + GetMockLastParams, + SetMockReturns, + SetMockTimes, + ClearMock, +} + +impl std::fmt::Display for ForeignCall { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + write!(f, "{}", self.name()) + } +} + +impl ForeignCall { + pub(crate) fn name(&self) -> &'static str { + match self { + ForeignCall::Print => "print", + ForeignCall::CreateMock => "create_mock", + ForeignCall::SetMockParams => "set_mock_params", + ForeignCall::GetMockLastParams => "get_mock_last_params", + ForeignCall::SetMockReturns => "set_mock_returns", + ForeignCall::SetMockTimes => "set_mock_times", + ForeignCall::ClearMock => "clear_mock", + } + } + + pub(crate) fn lookup(op_name: &str) -> Option { + match op_name { + "print" => Some(ForeignCall::Print), + "create_mock" => Some(ForeignCall::CreateMock), + "set_mock_params" => Some(ForeignCall::SetMockParams), + "get_mock_last_params" => Some(ForeignCall::GetMockLastParams), + "set_mock_returns" => Some(ForeignCall::SetMockReturns), + "set_mock_times" => Some(ForeignCall::SetMockTimes), + "clear_mock" => Some(ForeignCall::ClearMock), + _ => None, + } + } +} + +#[derive(Debug, Default)] +pub struct DefaultForeignCallExecutor { + /// The executor for any [`ForeignCall::Print`] calls. + printer: Option, + mocker: MockForeignCallExecutor, + external: Option, +} + +impl DefaultForeignCallExecutor { + pub fn new( + show_output: bool, + resolver_url: Option<&str>, + root_path: Option, + package_name: Option, + ) -> Self { + let id = rand::thread_rng().gen(); + let printer = if show_output { Some(PrintForeignCallExecutor) } else { None }; + let external_resolver = resolver_url.map(|resolver_url| { + RPCForeignCallExecutor::new(resolver_url, id, root_path, package_name) + }); + DefaultForeignCallExecutor { + printer, + mocker: MockForeignCallExecutor::default(), + external: external_resolver, + } + } +} + +impl Deserialize<'a>> ForeignCallExecutor + for DefaultForeignCallExecutor +{ + fn execute( + &mut self, + foreign_call: &ForeignCallWaitInfo, + ) -> Result, ForeignCallError> { + let foreign_call_name = foreign_call.function.as_str(); + match ForeignCall::lookup(foreign_call_name) { + Some(ForeignCall::Print) => { + if let Some(printer) = &mut self.printer { + printer.execute(foreign_call) + } else { + Ok(ForeignCallResult::default()) + } + } + Some( + ForeignCall::CreateMock + | ForeignCall::SetMockParams + | ForeignCall::GetMockLastParams + | ForeignCall::SetMockReturns + | ForeignCall::SetMockTimes + | ForeignCall::ClearMock, + ) => self.mocker.execute(foreign_call), + + None => { + // First check if there's any defined mock responses for this foreign call. + match self.mocker.execute(foreign_call) { + Err(ForeignCallError::NoHandler(_)) => (), + response_or_error => return response_or_error, + }; + + if let Some(external_resolver) = &mut self.external { + // If the user has registered an external resolver then we forward any remaining oracle calls there. + match external_resolver.execute(foreign_call) { + Err(ForeignCallError::NoHandler(_)) => (), + response_or_error => return response_or_error, + }; + } + + // If all executors have no handler for the given foreign call then we cannot + // return a correct response to the ACVM. The best we can do is to return an empty response, + // this allows us to ignore any foreign calls which exist solely to pass information from inside + // the circuit to the environment (e.g. custom logging) as the execution will still be able to progress. + // + // We optimistically return an empty response for all oracle calls as the ACVM will error + // should a response have been required. + Ok(ForeignCallResult::default()) + } + } + } +} diff --git a/noir/noir-repo/tooling/nargo/src/foreign_calls/print.rs b/noir/noir-repo/tooling/nargo/src/foreign_calls/print.rs new file mode 100644 index 00000000000..92fcd65ae28 --- /dev/null +++ b/noir/noir-repo/tooling/nargo/src/foreign_calls/print.rs @@ -0,0 +1,36 @@ +use acvm::{acir::brillig::ForeignCallResult, pwg::ForeignCallWaitInfo, AcirField}; +use noirc_printable_type::{ForeignCallError, PrintableValueDisplay}; + +use super::{ForeignCall, ForeignCallExecutor}; + +#[derive(Debug, Default)] +pub(crate) struct PrintForeignCallExecutor; + +impl ForeignCallExecutor for PrintForeignCallExecutor { + fn execute( + &mut self, + foreign_call: &ForeignCallWaitInfo, + ) -> Result, ForeignCallError> { + let foreign_call_name = foreign_call.function.as_str(); + match ForeignCall::lookup(foreign_call_name) { + Some(ForeignCall::Print) => { + let skip_newline = foreign_call.inputs[0].unwrap_field().is_zero(); + + let foreign_call_inputs = foreign_call + .inputs + .split_first() + .ok_or(ForeignCallError::MissingForeignCallInputs)? + .1; + + let display_values: PrintableValueDisplay = foreign_call_inputs.try_into()?; + let display_string = + format!("{display_values}{}", if skip_newline { "" } else { "\n" }); + + print!("{display_string}"); + + Ok(ForeignCallResult::default()) + } + _ => Err(ForeignCallError::NoHandler(foreign_call_name.to_string())), + } + } +} diff --git a/noir/noir-repo/tooling/nargo/src/foreign_calls/rpc.rs b/noir/noir-repo/tooling/nargo/src/foreign_calls/rpc.rs new file mode 100644 index 00000000000..0653eb1c7e3 --- /dev/null +++ b/noir/noir-repo/tooling/nargo/src/foreign_calls/rpc.rs @@ -0,0 +1,227 @@ +use std::path::PathBuf; + +use acvm::{acir::brillig::ForeignCallResult, pwg::ForeignCallWaitInfo, AcirField}; +use jsonrpc::{arg as build_json_rpc_arg, minreq_http::Builder, Client}; +use noirc_printable_type::ForeignCallError; +use serde::{Deserialize, Serialize}; + +use super::ForeignCallExecutor; + +#[derive(Debug)] +pub(crate) struct RPCForeignCallExecutor { + /// A randomly generated id for this `DefaultForeignCallExecutor`. + /// + /// This is used so that a single `external_resolver` can distinguish between requests from multiple + /// instantiations of `DefaultForeignCallExecutor`. + id: u64, + /// JSON RPC client to resolve foreign calls + external_resolver: Client, + /// Root path to the program or workspace in execution. + root_path: Option, + /// Name of the package in execution + package_name: Option, +} + +#[derive(Debug, Serialize, Deserialize)] +struct ResolveForeignCallRequest { + /// A session ID which allows the external RPC server to link this foreign call request to other foreign calls + /// for the same program execution. + /// + /// This is intended to allow a single RPC server to maintain state related to multiple program executions being + /// performed in parallel. + session_id: u64, + + #[serde(flatten)] + /// The foreign call which the external RPC server is to provide a response for. + function_call: ForeignCallWaitInfo, + + #[serde(skip_serializing_if = "Option::is_none")] + /// Root path to the program or workspace in execution. + root_path: Option, + #[serde(skip_serializing_if = "Option::is_none")] + /// Name of the package in execution + package_name: Option, +} + +impl RPCForeignCallExecutor { + pub(crate) fn new( + resolver_url: &str, + id: u64, + root_path: Option, + package_name: Option, + ) -> Self { + let mut transport_builder = + Builder::new().url(resolver_url).expect("Invalid oracle resolver URL"); + + if let Some(Ok(timeout)) = + std::env::var("NARGO_FOREIGN_CALL_TIMEOUT").ok().map(|timeout| timeout.parse()) + { + let timeout_duration = std::time::Duration::from_millis(timeout); + transport_builder = transport_builder.timeout(timeout_duration); + }; + let oracle_resolver = Client::with_transport(transport_builder.build()); + + RPCForeignCallExecutor { external_resolver: oracle_resolver, id, root_path, package_name } + } +} + +impl Deserialize<'a>> ForeignCallExecutor + for RPCForeignCallExecutor +{ + fn execute( + &mut self, + foreign_call: &ForeignCallWaitInfo, + ) -> Result, ForeignCallError> { + let encoded_params = vec![build_json_rpc_arg(ResolveForeignCallRequest { + session_id: self.id, + function_call: foreign_call.clone(), + root_path: self.root_path.clone().map(|path| path.to_str().unwrap().to_string()), + package_name: self.package_name.clone(), + })]; + + let req = self.external_resolver.build_request("resolve_foreign_call", &encoded_params); + + let response = self.external_resolver.send_request(req)?; + + let parsed_response: ForeignCallResult = response.result()?; + + Ok(parsed_response) + } +} + +#[cfg(test)] +mod tests { + use acvm::{ + acir::brillig::ForeignCallParam, brillig_vm::brillig::ForeignCallResult, + pwg::ForeignCallWaitInfo, FieldElement, + }; + use jsonrpc_core::Result as RpcResult; + use jsonrpc_derive::rpc; + use jsonrpc_http_server::{Server, ServerBuilder}; + + use super::{ForeignCallExecutor, RPCForeignCallExecutor, ResolveForeignCallRequest}; + + #[allow(unreachable_pub)] + #[rpc] + pub trait OracleResolver { + #[rpc(name = "resolve_foreign_call")] + fn resolve_foreign_call( + &self, + req: ResolveForeignCallRequest, + ) -> RpcResult>; + } + + struct OracleResolverImpl; + + impl OracleResolverImpl { + fn echo(&self, param: ForeignCallParam) -> ForeignCallResult { + vec![param].into() + } + + fn sum(&self, array: ForeignCallParam) -> ForeignCallResult { + let mut res: FieldElement = 0_usize.into(); + + for value in array.fields() { + res += value; + } + + res.into() + } + } + + impl OracleResolver for OracleResolverImpl { + fn resolve_foreign_call( + &self, + req: ResolveForeignCallRequest, + ) -> RpcResult> { + let response = match req.function_call.function.as_str() { + "sum" => self.sum(req.function_call.inputs[0].clone()), + "echo" => self.echo(req.function_call.inputs[0].clone()), + "id" => FieldElement::from(req.session_id as u128).into(), + + _ => panic!("unexpected foreign call"), + }; + Ok(response) + } + } + + fn build_oracle_server() -> (Server, String) { + let mut io = jsonrpc_core::IoHandler::new(); + io.extend_with(OracleResolverImpl.to_delegate()); + + // Choosing port 0 results in a random port being assigned. + let server = ServerBuilder::new(io) + .start_http(&"127.0.0.1:0".parse().expect("Invalid address")) + .expect("Could not start server"); + + let url = format!("http://{}", server.address()); + (server, url) + } + + #[test] + fn test_oracle_resolver_echo() { + let (server, url) = build_oracle_server(); + + let mut executor = RPCForeignCallExecutor::new(&url, 1, None, None); + + let foreign_call: ForeignCallWaitInfo = ForeignCallWaitInfo { + function: "echo".to_string(), + inputs: vec![ForeignCallParam::Single(1_u128.into())], + }; + + let result = executor.execute(&foreign_call); + assert_eq!(result.unwrap(), ForeignCallResult { values: foreign_call.inputs }); + + server.close(); + } + + #[test] + fn test_oracle_resolver_sum() { + let (server, url) = build_oracle_server(); + + let mut executor = RPCForeignCallExecutor::new(&url, 2, None, None); + + let foreign_call: ForeignCallWaitInfo = ForeignCallWaitInfo { + function: "sum".to_string(), + inputs: vec![ForeignCallParam::Array(vec![1_usize.into(), 2_usize.into()])], + }; + + let result = executor.execute(&foreign_call); + assert_eq!(result.unwrap(), FieldElement::from(3_usize).into()); + + server.close(); + } + + #[test] + fn foreign_call_executor_id_is_persistent() { + let (server, url) = build_oracle_server(); + + let mut executor = RPCForeignCallExecutor::new(&url, 3, None, None); + + let foreign_call: ForeignCallWaitInfo = + ForeignCallWaitInfo { function: "id".to_string(), inputs: Vec::new() }; + + let result_1 = executor.execute(&foreign_call).unwrap(); + let result_2 = executor.execute(&foreign_call).unwrap(); + assert_eq!(result_1, result_2); + + server.close(); + } + + #[test] + fn oracle_resolver_rpc_can_distinguish_executors() { + let (server, url) = build_oracle_server(); + + let mut executor_1 = RPCForeignCallExecutor::new(&url, 4, None, None); + let mut executor_2 = RPCForeignCallExecutor::new(&url, 5, None, None); + + let foreign_call: ForeignCallWaitInfo = + ForeignCallWaitInfo { function: "id".to_string(), inputs: Vec::new() }; + + let result_1 = executor_1.execute(&foreign_call).unwrap(); + let result_2 = executor_2.execute(&foreign_call).unwrap(); + assert_ne!(result_1, result_2); + + server.close(); + } +} diff --git a/noir/noir-repo/tooling/nargo/src/lib.rs b/noir/noir-repo/tooling/nargo/src/lib.rs index 88f07e0c292..74b7f54d860 100644 --- a/noir/noir-repo/tooling/nargo/src/lib.rs +++ b/noir/noir-repo/tooling/nargo/src/lib.rs @@ -9,6 +9,7 @@ pub mod constants; pub mod errors; +pub mod foreign_calls; pub mod ops; pub mod package; pub mod workspace; diff --git a/noir/noir-repo/tooling/nargo/src/ops/check.rs b/noir/noir-repo/tooling/nargo/src/ops/check.rs index 14d629ab0f6..707353ccdad 100644 --- a/noir/noir-repo/tooling/nargo/src/ops/check.rs +++ b/noir/noir-repo/tooling/nargo/src/ops/check.rs @@ -2,8 +2,8 @@ use acvm::compiler::CircuitSimulator; use noirc_driver::{CompiledProgram, ErrorsAndWarnings}; use noirc_errors::{CustomDiagnostic, FileDiagnostic}; +/// Run each function through a circuit simulator to check that they are solvable. pub fn check_program(compiled_program: &CompiledProgram) -> Result<(), ErrorsAndWarnings> { - // Check if the program is solvable for (i, circuit) in compiled_program.program.functions.iter().enumerate() { let mut simulator = CircuitSimulator::default(); if !simulator.check_circuit(circuit) { diff --git a/noir/noir-repo/tooling/nargo/src/ops/execute.rs b/noir/noir-repo/tooling/nargo/src/ops/execute.rs index 09ef554d2aa..57116ec2efd 100644 --- a/noir/noir-repo/tooling/nargo/src/ops/execute.rs +++ b/noir/noir-repo/tooling/nargo/src/ops/execute.rs @@ -10,10 +10,9 @@ use acvm::{acir::circuit::Circuit, acir::native_types::WitnessMap}; use acvm::{AcirField, BlackBoxFunctionSolver}; use crate::errors::ExecutionError; +use crate::foreign_calls::ForeignCallExecutor; use crate::NargoError; -use super::foreign_calls::ForeignCallExecutor; - struct ProgramExecutor<'a, F, B: BlackBoxFunctionSolver, E: ForeignCallExecutor> { functions: &'a [Circuit], diff --git a/noir/noir-repo/tooling/nargo/src/ops/foreign_calls.rs b/noir/noir-repo/tooling/nargo/src/ops/foreign_calls.rs deleted file mode 100644 index 30785949a46..00000000000 --- a/noir/noir-repo/tooling/nargo/src/ops/foreign_calls.rs +++ /dev/null @@ -1,494 +0,0 @@ -use std::path::PathBuf; - -use acvm::{ - acir::brillig::{ForeignCallParam, ForeignCallResult}, - pwg::ForeignCallWaitInfo, - AcirField, -}; -use jsonrpc::{arg as build_json_rpc_arg, minreq_http::Builder, Client}; -use noirc_printable_type::{decode_string_value, ForeignCallError, PrintableValueDisplay}; -use rand::Rng; -use serde::{Deserialize, Serialize}; - -pub trait ForeignCallExecutor { - fn execute( - &mut self, - foreign_call: &ForeignCallWaitInfo, - ) -> Result, ForeignCallError>; -} - -/// This enumeration represents the Brillig foreign calls that are natively supported by nargo. -/// After resolution of a foreign call, nargo will restart execution of the ACVM -pub enum ForeignCall { - Print, - CreateMock, - SetMockParams, - GetMockLastParams, - SetMockReturns, - SetMockTimes, - ClearMock, -} - -impl std::fmt::Display for ForeignCall { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - write!(f, "{}", self.name()) - } -} - -impl ForeignCall { - pub(crate) fn name(&self) -> &'static str { - match self { - ForeignCall::Print => "print", - ForeignCall::CreateMock => "create_mock", - ForeignCall::SetMockParams => "set_mock_params", - ForeignCall::GetMockLastParams => "get_mock_last_params", - ForeignCall::SetMockReturns => "set_mock_returns", - ForeignCall::SetMockTimes => "set_mock_times", - ForeignCall::ClearMock => "clear_mock", - } - } - - pub(crate) fn lookup(op_name: &str) -> Option { - match op_name { - "print" => Some(ForeignCall::Print), - "create_mock" => Some(ForeignCall::CreateMock), - "set_mock_params" => Some(ForeignCall::SetMockParams), - "get_mock_last_params" => Some(ForeignCall::GetMockLastParams), - "set_mock_returns" => Some(ForeignCall::SetMockReturns), - "set_mock_times" => Some(ForeignCall::SetMockTimes), - "clear_mock" => Some(ForeignCall::ClearMock), - _ => None, - } - } -} - -/// This struct represents an oracle mock. It can be used for testing programs that use oracles. -#[derive(Debug, PartialEq, Eq, Clone)] -struct MockedCall { - /// The id of the mock, used to update or remove it - id: usize, - /// The oracle it's mocking - name: String, - /// Optionally match the parameters - params: Option>>, - /// The parameters with which the mock was last called - last_called_params: Option>>, - /// The result to return when this mock is called - result: ForeignCallResult, - /// How many times should this mock be called before it is removed - times_left: Option, -} - -impl MockedCall { - fn new(id: usize, name: String) -> Self { - Self { - id, - name, - params: None, - last_called_params: None, - result: ForeignCallResult { values: vec![] }, - times_left: None, - } - } -} - -impl MockedCall { - fn matches(&self, name: &str, params: &[ForeignCallParam]) -> bool { - self.name == name && (self.params.is_none() || self.params.as_deref() == Some(params)) - } -} - -#[derive(Debug, Default)] -pub struct DefaultForeignCallExecutor { - /// A randomly generated id for this `DefaultForeignCallExecutor`. - /// - /// This is used so that a single `external_resolver` can distinguish between requests from multiple - /// instantiations of `DefaultForeignCallExecutor`. - id: u64, - - /// Mocks have unique ids used to identify them in Noir, allowing to update or remove them. - last_mock_id: usize, - /// The registered mocks - mocked_responses: Vec>, - /// Whether to print [`ForeignCall::Print`] output. - show_output: bool, - /// JSON RPC client to resolve foreign calls - external_resolver: Option, - /// Root path to the program or workspace in execution. - root_path: Option, - /// Name of the package in execution - package_name: Option, -} - -#[derive(Debug, Serialize, Deserialize)] -struct ResolveForeignCallRequest { - /// A session ID which allows the external RPC server to link this foreign call request to other foreign calls - /// for the same program execution. - /// - /// This is intended to allow a single RPC server to maintain state related to multiple program executions being - /// performed in parallel. - session_id: u64, - - #[serde(flatten)] - /// The foreign call which the external RPC server is to provide a response for. - function_call: ForeignCallWaitInfo, - - #[serde(skip_serializing_if = "Option::is_none")] - /// Root path to the program or workspace in execution. - root_path: Option, - #[serde(skip_serializing_if = "Option::is_none")] - /// Name of the package in execution - package_name: Option, -} - -impl DefaultForeignCallExecutor { - pub fn new( - show_output: bool, - resolver_url: Option<&str>, - root_path: Option, - package_name: Option, - ) -> Self { - let oracle_resolver = resolver_url.map(|resolver_url| { - let mut transport_builder = - Builder::new().url(resolver_url).expect("Invalid oracle resolver URL"); - - if let Some(Ok(timeout)) = - std::env::var("NARGO_FOREIGN_CALL_TIMEOUT").ok().map(|timeout| timeout.parse()) - { - let timeout_duration = std::time::Duration::from_millis(timeout); - transport_builder = transport_builder.timeout(timeout_duration); - }; - Client::with_transport(transport_builder.build()) - }); - DefaultForeignCallExecutor { - show_output, - external_resolver: oracle_resolver, - id: rand::thread_rng().gen(), - mocked_responses: Vec::new(), - last_mock_id: 0, - root_path, - package_name, - } - } -} - -impl DefaultForeignCallExecutor { - fn extract_mock_id( - foreign_call_inputs: &[ForeignCallParam], - ) -> Result<(usize, &[ForeignCallParam]), ForeignCallError> { - let (id, params) = - foreign_call_inputs.split_first().ok_or(ForeignCallError::MissingForeignCallInputs)?; - let id = - usize::try_from(id.unwrap_field().try_to_u64().expect("value does not fit into u64")) - .expect("value does not fit into usize"); - Ok((id, params)) - } - - fn find_mock_by_id(&self, id: usize) -> Option<&MockedCall> { - self.mocked_responses.iter().find(|response| response.id == id) - } - - fn find_mock_by_id_mut(&mut self, id: usize) -> Option<&mut MockedCall> { - self.mocked_responses.iter_mut().find(|response| response.id == id) - } - - fn parse_string(param: &ForeignCallParam) -> String { - let fields: Vec<_> = param.fields().to_vec(); - decode_string_value(&fields) - } - - fn execute_print(foreign_call_inputs: &[ForeignCallParam]) -> Result<(), ForeignCallError> { - let skip_newline = foreign_call_inputs[0].unwrap_field().is_zero(); - - let foreign_call_inputs = - foreign_call_inputs.split_first().ok_or(ForeignCallError::MissingForeignCallInputs)?.1; - let display_string = Self::format_printable_value(foreign_call_inputs, skip_newline)?; - - print!("{display_string}"); - - Ok(()) - } - - fn format_printable_value( - foreign_call_inputs: &[ForeignCallParam], - skip_newline: bool, - ) -> Result { - let display_values: PrintableValueDisplay = foreign_call_inputs.try_into()?; - - let result = format!("{display_values}{}", if skip_newline { "" } else { "\n" }); - - Ok(result) - } -} - -impl Deserialize<'a>> ForeignCallExecutor - for DefaultForeignCallExecutor -{ - fn execute( - &mut self, - foreign_call: &ForeignCallWaitInfo, - ) -> Result, ForeignCallError> { - let foreign_call_name = foreign_call.function.as_str(); - match ForeignCall::lookup(foreign_call_name) { - Some(ForeignCall::Print) => { - if self.show_output { - Self::execute_print(&foreign_call.inputs)?; - } - Ok(ForeignCallResult::default()) - } - Some(ForeignCall::CreateMock) => { - let mock_oracle_name = Self::parse_string(&foreign_call.inputs[0]); - assert!(ForeignCall::lookup(&mock_oracle_name).is_none()); - let id = self.last_mock_id; - self.mocked_responses.push(MockedCall::new(id, mock_oracle_name)); - self.last_mock_id += 1; - - Ok(F::from(id).into()) - } - Some(ForeignCall::SetMockParams) => { - let (id, params) = Self::extract_mock_id(&foreign_call.inputs)?; - self.find_mock_by_id_mut(id) - .unwrap_or_else(|| panic!("Unknown mock id {}", id)) - .params = Some(params.to_vec()); - - Ok(ForeignCallResult::default()) - } - Some(ForeignCall::GetMockLastParams) => { - let (id, _) = Self::extract_mock_id(&foreign_call.inputs)?; - let mock = - self.find_mock_by_id(id).unwrap_or_else(|| panic!("Unknown mock id {}", id)); - - let last_called_params = mock - .last_called_params - .clone() - .unwrap_or_else(|| panic!("Mock {} was never called", mock.name)); - - Ok(last_called_params.into()) - } - Some(ForeignCall::SetMockReturns) => { - let (id, params) = Self::extract_mock_id(&foreign_call.inputs)?; - self.find_mock_by_id_mut(id) - .unwrap_or_else(|| panic!("Unknown mock id {}", id)) - .result = ForeignCallResult { values: params.to_vec() }; - - Ok(ForeignCallResult::default()) - } - Some(ForeignCall::SetMockTimes) => { - let (id, params) = Self::extract_mock_id(&foreign_call.inputs)?; - let times = - params[0].unwrap_field().try_to_u64().expect("Invalid bit size of times"); - - self.find_mock_by_id_mut(id) - .unwrap_or_else(|| panic!("Unknown mock id {}", id)) - .times_left = Some(times); - - Ok(ForeignCallResult::default()) - } - Some(ForeignCall::ClearMock) => { - let (id, _) = Self::extract_mock_id(&foreign_call.inputs)?; - self.mocked_responses.retain(|response| response.id != id); - Ok(ForeignCallResult::default()) - } - None => { - let mock_response_position = self - .mocked_responses - .iter() - .position(|response| response.matches(foreign_call_name, &foreign_call.inputs)); - - if let Some(response_position) = mock_response_position { - // If the program has registered a mocked response to this oracle call then we prefer responding - // with that. - - let mock = self - .mocked_responses - .get_mut(response_position) - .expect("Invalid position of mocked response"); - - mock.last_called_params = Some(foreign_call.inputs.clone()); - - let result = mock.result.values.clone(); - - if let Some(times_left) = &mut mock.times_left { - *times_left -= 1; - if *times_left == 0 { - self.mocked_responses.remove(response_position); - } - } - - Ok(result.into()) - } else if let Some(external_resolver) = &self.external_resolver { - // If the user has registered an external resolver then we forward any remaining oracle calls there. - - let encoded_params = vec![build_json_rpc_arg(ResolveForeignCallRequest { - session_id: self.id, - function_call: foreign_call.clone(), - root_path: self - .root_path - .clone() - .map(|path| path.to_str().unwrap().to_string()), - package_name: self.package_name.clone(), - })]; - - let req = - external_resolver.build_request("resolve_foreign_call", &encoded_params); - - let response = external_resolver.send_request(req)?; - - let parsed_response: ForeignCallResult = response.result()?; - - Ok(parsed_response) - } else { - // If there's no registered mock oracle response and no registered resolver then we cannot - // return a correct response to the ACVM. The best we can do is to return an empty response, - // this allows us to ignore any foreign calls which exist solely to pass information from inside - // the circuit to the environment (e.g. custom logging) as the execution will still be able to progress. - // - // We optimistically return an empty response for all oracle calls as the ACVM will error - // should a response have been required. - Ok(ForeignCallResult::default()) - } - } - } - } -} - -#[cfg(test)] -mod tests { - use acvm::{ - acir::brillig::ForeignCallParam, brillig_vm::brillig::ForeignCallResult, - pwg::ForeignCallWaitInfo, FieldElement, - }; - use jsonrpc_core::Result as RpcResult; - use jsonrpc_derive::rpc; - use jsonrpc_http_server::{Server, ServerBuilder}; - - use crate::ops::{DefaultForeignCallExecutor, ForeignCallExecutor}; - - use super::ResolveForeignCallRequest; - - #[allow(unreachable_pub)] - #[rpc] - pub trait OracleResolver { - #[rpc(name = "resolve_foreign_call")] - fn resolve_foreign_call( - &self, - req: ResolveForeignCallRequest, - ) -> RpcResult>; - } - - struct OracleResolverImpl; - - impl OracleResolverImpl { - fn echo(&self, param: ForeignCallParam) -> ForeignCallResult { - vec![param].into() - } - - fn sum(&self, array: ForeignCallParam) -> ForeignCallResult { - let mut res: FieldElement = 0_usize.into(); - - for value in array.fields() { - res += value; - } - - res.into() - } - } - - impl OracleResolver for OracleResolverImpl { - fn resolve_foreign_call( - &self, - req: ResolveForeignCallRequest, - ) -> RpcResult> { - let response = match req.function_call.function.as_str() { - "sum" => self.sum(req.function_call.inputs[0].clone()), - "echo" => self.echo(req.function_call.inputs[0].clone()), - "id" => FieldElement::from(req.session_id as u128).into(), - - _ => panic!("unexpected foreign call"), - }; - Ok(response) - } - } - - fn build_oracle_server() -> (Server, String) { - let mut io = jsonrpc_core::IoHandler::new(); - io.extend_with(OracleResolverImpl.to_delegate()); - - // Choosing port 0 results in a random port being assigned. - let server = ServerBuilder::new(io) - .start_http(&"127.0.0.1:0".parse().expect("Invalid address")) - .expect("Could not start server"); - - let url = format!("http://{}", server.address()); - (server, url) - } - - #[test] - fn test_oracle_resolver_echo() { - let (server, url) = build_oracle_server(); - - let mut executor = - DefaultForeignCallExecutor::::new(false, Some(&url), None, None); - - let foreign_call = ForeignCallWaitInfo { - function: "echo".to_string(), - inputs: vec![ForeignCallParam::Single(1_u128.into())], - }; - - let result = executor.execute(&foreign_call); - assert_eq!(result.unwrap(), ForeignCallResult { values: foreign_call.inputs }); - - server.close(); - } - - #[test] - fn test_oracle_resolver_sum() { - let (server, url) = build_oracle_server(); - - let mut executor = DefaultForeignCallExecutor::new(false, Some(&url), None, None); - - let foreign_call = ForeignCallWaitInfo { - function: "sum".to_string(), - inputs: vec![ForeignCallParam::Array(vec![1_usize.into(), 2_usize.into()])], - }; - - let result = executor.execute(&foreign_call); - assert_eq!(result.unwrap(), FieldElement::from(3_usize).into()); - - server.close(); - } - - #[test] - fn foreign_call_executor_id_is_persistent() { - let (server, url) = build_oracle_server(); - - let mut executor = - DefaultForeignCallExecutor::::new(false, Some(&url), None, None); - - let foreign_call = ForeignCallWaitInfo { function: "id".to_string(), inputs: Vec::new() }; - - let result_1 = executor.execute(&foreign_call).unwrap(); - let result_2 = executor.execute(&foreign_call).unwrap(); - assert_eq!(result_1, result_2); - - server.close(); - } - - #[test] - fn oracle_resolver_rpc_can_distinguish_executors() { - let (server, url) = build_oracle_server(); - - let mut executor_1 = - DefaultForeignCallExecutor::::new(false, Some(&url), None, None); - let mut executor_2 = - DefaultForeignCallExecutor::::new(false, Some(&url), None, None); - - let foreign_call = ForeignCallWaitInfo { function: "id".to_string(), inputs: Vec::new() }; - - let result_1 = executor_1.execute(&foreign_call).unwrap(); - let result_2 = executor_2.execute(&foreign_call).unwrap(); - assert_ne!(result_1, result_2); - - server.close(); - } -} diff --git a/noir/noir-repo/tooling/nargo/src/ops/mod.rs b/noir/noir-repo/tooling/nargo/src/ops/mod.rs index f70577a14f1..04efeb5a9ec 100644 --- a/noir/noir-repo/tooling/nargo/src/ops/mod.rs +++ b/noir/noir-repo/tooling/nargo/src/ops/mod.rs @@ -4,7 +4,6 @@ pub use self::compile::{ compile_workspace, report_errors, }; pub use self::execute::{execute_program, execute_program_with_profiling}; -pub use self::foreign_calls::{DefaultForeignCallExecutor, ForeignCall, ForeignCallExecutor}; pub use self::optimize::{optimize_contract, optimize_program}; pub use self::transform::{transform_contract, transform_program}; @@ -13,7 +12,6 @@ pub use self::test::{run_test, TestStatus}; mod check; mod compile; mod execute; -mod foreign_calls; mod optimize; mod test; mod transform; diff --git a/noir/noir-repo/tooling/nargo/src/ops/test.rs b/noir/noir-repo/tooling/nargo/src/ops/test.rs index 370a4235f61..e258627b522 100644 --- a/noir/noir-repo/tooling/nargo/src/ops/test.rs +++ b/noir/noir-repo/tooling/nargo/src/ops/test.rs @@ -1,27 +1,42 @@ use std::path::PathBuf; use acvm::{ - acir::native_types::{WitnessMap, WitnessStack}, - BlackBoxFunctionSolver, FieldElement, + acir::{ + brillig::ForeignCallResult, + native_types::{WitnessMap, WitnessStack}, + }, + pwg::ForeignCallWaitInfo, + AcirField, BlackBoxFunctionSolver, FieldElement, }; use noirc_abi::Abi; use noirc_driver::{compile_no_check, CompileError, CompileOptions}; use noirc_errors::{debug_info::DebugInfo, FileDiagnostic}; use noirc_frontend::hir::{def_map::TestFunction, Context}; +use noirc_printable_type::ForeignCallError; +use rand::Rng; +use serde::{Deserialize, Serialize}; -use crate::{errors::try_to_diagnose_runtime_error, NargoError}; +use crate::{ + errors::try_to_diagnose_runtime_error, + foreign_calls::{ + mocker::MockForeignCallExecutor, print::PrintForeignCallExecutor, + rpc::RPCForeignCallExecutor, ForeignCall, ForeignCallExecutor, + }, + NargoError, +}; -use super::{execute_program, DefaultForeignCallExecutor}; +use super::execute_program; pub enum TestStatus { Pass, Fail { message: String, error_diagnostic: Option }, + Skipped, CompileError(FileDiagnostic), } impl TestStatus { pub fn failed(&self) -> bool { - !matches!(self, TestStatus::Pass) + !matches!(self, TestStatus::Pass | TestStatus::Skipped) } } @@ -48,23 +63,42 @@ pub fn run_test>( if test_function_has_no_arguments { // Run the backend to ensure the PWG evaluates functions like std::hash::pedersen, // otherwise constraints involving these expressions will not error. + let mut foreign_call_executor = TestForeignCallExecutor::new( + show_output, + foreign_call_resolver_url, + root_path, + package_name, + ); + let circuit_execution = execute_program( &compiled_program.program, WitnessMap::new(), blackbox_solver, - &mut DefaultForeignCallExecutor::new( - show_output, - foreign_call_resolver_url, - root_path, - package_name, - ), + &mut foreign_call_executor, ); - test_status_program_compile_pass( + + let status = test_status_program_compile_pass( test_function, compiled_program.abi, compiled_program.debug, circuit_execution, - ) + ); + + let ignore_foreign_call_failures = + std::env::var("NARGO_IGNORE_TEST_FAILURES_FROM_FOREIGN_CALLS") + .is_ok_and(|var| &var == "true"); + + if let TestStatus::Fail { .. } = status { + if ignore_foreign_call_failures + && foreign_call_executor.encountered_unknown_foreign_call + { + TestStatus::Skipped + } else { + status + } + } else { + status + } } else { #[cfg(target_arch = "wasm32")] { @@ -90,7 +124,7 @@ pub fn run_test>( program, initial_witness, blackbox_solver, - &mut DefaultForeignCallExecutor::::new( + &mut TestForeignCallExecutor::::new( false, foreign_call_resolver_url, root_path.clone(), @@ -215,3 +249,93 @@ fn check_expected_failure_message( error_diagnostic, } } + +/// A specialized foreign call executor which tracks whether it has encountered any unknown foreign calls +struct TestForeignCallExecutor { + /// The executor for any [`ForeignCall::Print`] calls. + printer: Option, + mocker: MockForeignCallExecutor, + external: Option, + + encountered_unknown_foreign_call: bool, +} + +impl TestForeignCallExecutor { + fn new( + show_output: bool, + resolver_url: Option<&str>, + root_path: Option, + package_name: Option, + ) -> Self { + let id = rand::thread_rng().gen(); + let printer = if show_output { Some(PrintForeignCallExecutor) } else { None }; + let external_resolver = resolver_url.map(|resolver_url| { + RPCForeignCallExecutor::new(resolver_url, id, root_path, package_name) + }); + TestForeignCallExecutor { + printer, + mocker: MockForeignCallExecutor::default(), + external: external_resolver, + encountered_unknown_foreign_call: false, + } + } +} + +impl Deserialize<'a>> ForeignCallExecutor + for TestForeignCallExecutor +{ + fn execute( + &mut self, + foreign_call: &ForeignCallWaitInfo, + ) -> Result, ForeignCallError> { + // If the circuit has reached a new foreign call opcode then it can't have failed from any previous unknown foreign calls. + self.encountered_unknown_foreign_call = false; + + let foreign_call_name = foreign_call.function.as_str(); + match ForeignCall::lookup(foreign_call_name) { + Some(ForeignCall::Print) => { + if let Some(printer) = &mut self.printer { + printer.execute(foreign_call) + } else { + Ok(ForeignCallResult::default()) + } + } + + Some( + ForeignCall::CreateMock + | ForeignCall::SetMockParams + | ForeignCall::GetMockLastParams + | ForeignCall::SetMockReturns + | ForeignCall::SetMockTimes + | ForeignCall::ClearMock, + ) => self.mocker.execute(foreign_call), + + None => { + // First check if there's any defined mock responses for this foreign call. + match self.mocker.execute(foreign_call) { + Err(ForeignCallError::NoHandler(_)) => (), + response_or_error => return response_or_error, + }; + + if let Some(external_resolver) = &mut self.external { + // If the user has registered an external resolver then we forward any remaining oracle calls there. + match external_resolver.execute(foreign_call) { + Err(ForeignCallError::NoHandler(_)) => (), + response_or_error => return response_or_error, + }; + } + + self.encountered_unknown_foreign_call = true; + + // If all executors have no handler for the given foreign call then we cannot + // return a correct response to the ACVM. The best we can do is to return an empty response, + // this allows us to ignore any foreign calls which exist solely to pass information from inside + // the circuit to the environment (e.g. custom logging) as the execution will still be able to progress. + // + // We optimistically return an empty response for all oracle calls as the ACVM will error + // should a response have been required. + Ok(ForeignCallResult::default()) + } + } + } +} diff --git a/noir/noir-repo/tooling/nargo/src/ops/transform.rs b/noir/noir-repo/tooling/nargo/src/ops/transform.rs index 9255ac3e0ec..fdda368d150 100644 --- a/noir/noir-repo/tooling/nargo/src/ops/transform.rs +++ b/noir/noir-repo/tooling/nargo/src/ops/transform.rs @@ -6,6 +6,7 @@ use iter_extended::vecmap; use noirc_driver::{CompiledContract, CompiledProgram}; use noirc_errors::debug_info::DebugInfo; +/// Apply ACVM optimizations on the circuit. pub fn transform_program( mut compiled_program: CompiledProgram, expression_width: ExpressionWidth, @@ -18,6 +19,7 @@ pub fn transform_program( compiled_program } +/// Apply the optimizing transformation on each function in the contract. pub fn transform_contract( contract: CompiledContract, expression_width: ExpressionWidth, @@ -25,7 +27,6 @@ pub fn transform_contract( let functions = vecmap(contract.functions, |mut func| { func.bytecode = transform_program_internal(func.bytecode, &mut func.debug, expression_width); - func }); diff --git a/noir/noir-repo/tooling/nargo_cli/Cargo.toml b/noir/noir-repo/tooling/nargo_cli/Cargo.toml index 02e669f5c68..5603b7f4fca 100644 --- a/noir/noir-repo/tooling/nargo_cli/Cargo.toml +++ b/noir/noir-repo/tooling/nargo_cli/Cargo.toml @@ -25,6 +25,7 @@ toml.workspace = true [dependencies] clap.workspace = true fm.workspace = true +fxhash.workspace = true iter-extended.workspace = true nargo.workspace = true nargo_fmt.workspace = true diff --git a/noir/noir-repo/tooling/nargo_cli/benches/criterion.rs b/noir/noir-repo/tooling/nargo_cli/benches/criterion.rs index 488cbfcd243..51de97df139 100644 --- a/noir/noir-repo/tooling/nargo_cli/benches/criterion.rs +++ b/noir/noir-repo/tooling/nargo_cli/benches/criterion.rs @@ -115,7 +115,7 @@ fn criterion_test_execution(c: &mut Criterion, test_program_dir: &Path, force_br let artifacts = RefCell::new(None); let mut foreign_call_executor = - nargo::ops::DefaultForeignCallExecutor::new(false, None, None, None); + nargo::foreign_calls::DefaultForeignCallExecutor::new(false, None, None, None); c.bench_function(&benchmark_name, |b| { b.iter_batched( diff --git a/noir/noir-repo/tooling/nargo_cli/build.rs b/noir/noir-repo/tooling/nargo_cli/build.rs index 740e5ed2052..f0334eaf713 100644 --- a/noir/noir-repo/tooling/nargo_cli/build.rs +++ b/noir/noir-repo/tooling/nargo_cli/build.rs @@ -213,8 +213,13 @@ fn test_{test_name}(force_brillig: ForceBrillig, inliner_aggressiveness: Inliner nargo.arg("--program-dir").arg(test_program_dir); nargo.arg("{test_command}").arg("--force"); nargo.arg("--inliner-aggressiveness").arg(inliner_aggressiveness.0.to_string()); + if force_brillig.0 {{ nargo.arg("--force-brillig"); + + // Set the maximum increase so that part of the optimization is exercised (it might fail). + nargo.arg("--max-bytecode-increase-percent"); + nargo.arg("50"); }} {test_content} diff --git a/noir/noir-repo/tooling/nargo_cli/src/cli/compile_cmd.rs b/noir/noir-repo/tooling/nargo_cli/src/cli/compile_cmd.rs index 304988ed516..ff6009981c7 100644 --- a/noir/noir-repo/tooling/nargo_cli/src/cli/compile_cmd.rs +++ b/noir/noir-repo/tooling/nargo_cli/src/cli/compile_cmd.rs @@ -65,6 +65,7 @@ pub(crate) fn run(args: CompileCommand, config: NargoConfig) -> Result<(), CliEr Ok(()) } +/// Continuously recompile the workspace on any Noir file change event. fn watch_workspace(workspace: &Workspace, compile_options: &CompileOptions) -> notify::Result<()> { let (tx, rx) = std::sync::mpsc::channel(); @@ -108,6 +109,8 @@ fn watch_workspace(workspace: &Workspace, compile_options: &CompileOptions) -> n Ok(()) } +/// Parse and compile the entire workspace, then report errors. +/// This is the main entry point used by all other commands that need compilation. pub(super) fn compile_workspace_full( workspace: &Workspace, compile_options: &CompileOptions, @@ -129,6 +132,8 @@ pub(super) fn compile_workspace_full( Ok(()) } +/// Compile binary and contract packages. +/// Returns the merged warnings or errors. fn compile_workspace( file_manager: &FileManager, parsed_files: &ParsedFiles, @@ -144,6 +149,7 @@ fn compile_workspace( // Compile all of the packages in parallel. let program_warnings_or_errors: CompilationResult<()> = compile_programs(file_manager, parsed_files, workspace, &binary_packages, compile_options); + let contract_warnings_or_errors: CompilationResult<()> = compiled_contracts( file_manager, parsed_files, @@ -164,6 +170,7 @@ fn compile_workspace( } } +/// Compile the given binary packages in the workspace. fn compile_programs( file_manager: &FileManager, parsed_files: &ParsedFiles, @@ -171,6 +178,8 @@ fn compile_programs( binary_packages: &[Package], compile_options: &CompileOptions, ) -> CompilationResult<()> { + // Load any existing artifact for a given package, _iff_ it was compiled with the same nargo version. + // The loaded circuit includes backend specific transformations, which might be different from the current target. let load_cached_program = |package| { let program_artifact_path = workspace.package_build_path(package); read_program_from_file(program_artifact_path) @@ -180,19 +189,45 @@ fn compile_programs( }; let compile_package = |package| { + let cached_program = load_cached_program(package); + + // Hash over the entire compiled program, including any post-compile transformations. + // This is used to detect whether `cached_program` is returned by `compile_program`. + let cached_hash = cached_program.as_ref().map(fxhash::hash64); + + // Compile the program, or use the cached artifacts if it matches. let (program, warnings) = compile_program( file_manager, parsed_files, workspace, package, compile_options, - load_cached_program(package), + cached_program, )?; + // Choose the target width for the final, backend specific transformation. let target_width = get_target_width(package.expression_width, compile_options.expression_width); + + // If the compiled program is the same as the cached one, we don't apply transformations again, unless the target width has changed. + // The transformations might not be idempotent, which would risk creating witnesses that don't work with earlier versions, + // based on which we might have generated a verifier already. + if cached_hash == Some(fxhash::hash64(&program)) { + let width_matches = program + .program + .functions + .iter() + .all(|circuit| circuit.expression_width == target_width); + + if width_matches { + return Ok(((), warnings)); + } + } + // Run ACVM optimizations and set the target width. let program = nargo::ops::transform_program(program, target_width); + // Check solvability. nargo::ops::check_program(&program)?; + // Overwrite the build artifacts with the final circuit, which includes the backend specific transformations. save_program_to_file(&program.into(), &package.name, workspace.target_directory_path()); Ok(((), warnings)) @@ -208,6 +243,7 @@ fn compile_programs( collect_errors(program_results).map(|(_, warnings)| ((), warnings)) } +/// Compile the given contracts in the workspace. fn compiled_contracts( file_manager: &FileManager, parsed_files: &ParsedFiles, diff --git a/noir/noir-repo/tooling/nargo_cli/src/cli/execute_cmd.rs b/noir/noir-repo/tooling/nargo_cli/src/cli/execute_cmd.rs index 8dc71b1c7e5..fa95d3123c6 100644 --- a/noir/noir-repo/tooling/nargo_cli/src/cli/execute_cmd.rs +++ b/noir/noir-repo/tooling/nargo_cli/src/cli/execute_cmd.rs @@ -7,7 +7,7 @@ use clap::Args; use nargo::constants::PROVER_INPUT_FILE; use nargo::errors::try_to_diagnose_runtime_error; -use nargo::ops::DefaultForeignCallExecutor; +use nargo::foreign_calls::DefaultForeignCallExecutor; use nargo::package::{CrateName, Package}; use nargo_toml::{get_package_manifest, resolve_workspace_from_toml, PackageSelection}; use noirc_abi::input_parser::{Format, InputValue}; diff --git a/noir/noir-repo/tooling/nargo_cli/src/cli/info_cmd.rs b/noir/noir-repo/tooling/nargo_cli/src/cli/info_cmd.rs index cf416b1fa5f..769a1f79d81 100644 --- a/noir/noir-repo/tooling/nargo_cli/src/cli/info_cmd.rs +++ b/noir/noir-repo/tooling/nargo_cli/src/cli/info_cmd.rs @@ -4,7 +4,7 @@ use clap::Args; use iter_extended::vecmap; use nargo::{ constants::PROVER_INPUT_FILE, - ops::DefaultForeignCallExecutor, + foreign_calls::DefaultForeignCallExecutor, package::{CrateName, Package}, }; use nargo_toml::{get_package_manifest, resolve_workspace_from_toml, PackageSelection}; diff --git a/noir/noir-repo/tooling/nargo_cli/src/cli/test_cmd.rs b/noir/noir-repo/tooling/nargo_cli/src/cli/test_cmd.rs index 7b0201226ef..aa0ee1bb94b 100644 --- a/noir/noir-repo/tooling/nargo_cli/src/cli/test_cmd.rs +++ b/noir/noir-repo/tooling/nargo_cli/src/cli/test_cmd.rs @@ -255,6 +255,12 @@ fn display_test_report( ); } } + TestStatus::Skipped { .. } => { + writer + .set_color(ColorSpec::new().set_fg(Some(Color::Yellow))) + .expect("Failed to set color"); + writeln!(writer, "skipped").expect("Failed to write to stderr"); + } TestStatus::CompileError(err) => { noirc_errors::reporter::report_all( file_manager.as_file_map(), diff --git a/noir/noir-repo/tooling/nargo_cli/tests/stdlib-props.rs b/noir/noir-repo/tooling/nargo_cli/tests/stdlib-props.rs index 0013a90b4ff..86c225831b9 100644 --- a/noir/noir-repo/tooling/nargo_cli/tests/stdlib-props.rs +++ b/noir/noir-repo/tooling/nargo_cli/tests/stdlib-props.rs @@ -2,10 +2,7 @@ use std::{cell::RefCell, collections::BTreeMap, path::Path}; use acvm::{acir::native_types::WitnessStack, AcirField, FieldElement}; use iter_extended::vecmap; -use nargo::{ - ops::{execute_program, DefaultForeignCallExecutor}, - parse_all, -}; +use nargo::{foreign_calls::DefaultForeignCallExecutor, ops::execute_program, parse_all}; use noirc_abi::input_parser::InputValue; use noirc_driver::{ compile_main, file_manager_with_stdlib, prepare_crate, CompilationResult, CompileOptions, @@ -64,6 +61,7 @@ fn prepare_and_compile_snippet( ) -> CompilationResult { let (mut context, root_crate_id) = prepare_snippet(source); let options = CompileOptions { force_brillig, ..Default::default() }; + // TODO: Run nargo::ops::transform_program? compile_main(&mut context, root_crate_id, &options, None) } diff --git a/noir/noir-repo/tooling/nargo_cli/tests/stdlib-tests.rs b/noir/noir-repo/tooling/nargo_cli/tests/stdlib-tests.rs index bdc92e625ab..99f0c9a2e7f 100644 --- a/noir/noir-repo/tooling/nargo_cli/tests/stdlib-tests.rs +++ b/noir/noir-repo/tooling/nargo_cli/tests/stdlib-tests.rs @@ -138,6 +138,12 @@ fn display_test_report( ); } } + TestStatus::Skipped { .. } => { + writer + .set_color(ColorSpec::new().set_fg(Some(Color::Yellow))) + .expect("Failed to set color"); + writeln!(writer, "skipped").expect("Failed to write to stderr"); + } TestStatus::CompileError(err) => { noirc_errors::reporter::report_all( file_manager.as_file_map(), diff --git a/noir/noir-repo/tooling/noirc_abi/proptest-regressions/input_parser/json.txt b/noir/noir-repo/tooling/noirc_abi/proptest-regressions/input_parser/json.txt new file mode 100644 index 00000000000..19de8eeaf48 --- /dev/null +++ b/noir/noir-repo/tooling/noirc_abi/proptest-regressions/input_parser/json.txt @@ -0,0 +1,7 @@ +# Seeds for failure cases proptest has generated in the past. It is +# automatically read and these particular cases re-run before any +# novel cases are generated. +# +# It is recommended to check this file in to source control so that +# everyone who runs the test benefits from these saved cases. +cc b3f9ae88d54944ca274764f4d99a2023d4b0ac09beb89bc599cbba1e45dd3620 # shrinks to (typ, value) = (Integer { sign: Signed, width: 1 }, -1) diff --git a/noir/noir-repo/tooling/noirc_abi/proptest-regressions/input_parser/toml.txt b/noir/noir-repo/tooling/noirc_abi/proptest-regressions/input_parser/toml.txt new file mode 100644 index 00000000000..1448cb67ef1 --- /dev/null +++ b/noir/noir-repo/tooling/noirc_abi/proptest-regressions/input_parser/toml.txt @@ -0,0 +1,9 @@ +# Seeds for failure cases proptest has generated in the past. It is +# automatically read and these particular cases re-run before any +# novel cases are generated. +# +# It is recommended to check this file in to source control so that +# everyone who runs the test benefits from these saved cases. +cc 9d200afb8f5c01e3414d24eebe1436a7eef5377a46a9a9235aaa7f81e0b33656 # shrinks to (typ, value) = (Integer { sign: Signed, width: 8 }, -1) +cc 7fd29637e5566d819992185c1a95438e9949a555928a911b3918eed2e3f7a1fd # shrinks to (typ, value) = (Integer { sign: Signed, width: 64 }, -1) +cc 8ecbda39d887674b53ca23a861ac30fbb10c123bb70c57e69b336c86a3d9dea8 # shrinks to (abi, input_map) = (Abi { parameters: [AbiParameter { name: "¡", typ: Struct { path: "�)\u{1b}=�?Ⱥ\u{59424}?{\u{e4d5e}%Ѩ/Q\u{36a17}/*\";\u{b}&iC_\u{d313f}S\u{1b}\u{9dfec}\r/\u{10530d}", fields: [("?p*\"/\u{202e}\u{6f038}\u{537ca}.y@~𘛶?4\u{1b}*", Field), (".Ⱥ/$\u{7f}\u{103c06}%\\\u{202e}][0\u{88479}]\"*~\u{36fd5}\u{5}\u{feff}]{/", Tuple { fields: [String { length: 937 }] }), ("r\u{ac3a5}&:", Boolean), ("$d6🕴/:|�\u{37f8b}\r\u{a13b7}C$𲁹\\&\u{f8712}?\u{db61c}t%\u{57be1}\0", Field), ("/\u{6378b}\u{a426c}¥\u{7}/\u{fcb29}$\u{53c6b}\u{12d6f}\u{12bd3}.\u{f2f82}\u{8613e}*$\u{fd32f}\u{e29f7}\0𨺉'¬\"1", Struct { path: "\\\u{4a5ac}<\u{9e505}\u{4f3af}🕴&?<:^\u{7}\u{88}\u{3e1ff}(¥\u{531f3}K{:¥𦺀", fields: [("n\0Ѩ/\u{1b}𥐰\u{a4906}�¥`{\u{389d4}`1\u{7708a})\u{3dac4}8\u{93e5f}㒭\\\"\u{e6824}\u{b}Ѩ\u{88946}Ⱥ{", Integer { sign: Signed, width: 127 })] }), ("¥🕴\u{1b}¥🕴=sR\0\u{35f36}\u{867dc}>ä\u{202e}f:BȺ?:``*·¥\u{74ca5}\"", Tuple { fields: [Boolean, Field, String { length: 205 }, String { length: 575 }, Integer { sign: Signed, width: 124 }, String { length: 923 }, String { length: 294 }] })] }, visibility: Public }], return_type: None, error_types: {} }, {"¡": Struct({"$d6🕴/:|�\u{37f8b}\r\u{a13b7}C$𲁹\\&\u{f8712}?\u{db61c}t%\u{57be1}\0": Field(-8275115097504119425402713293372777967031130481426075481525511323101167533940), ".Ⱥ/$\u{7f}\u{103c06}%\\\u{202e}][0\u{88479}]\"*~\u{36fd5}\u{5}\u{feff}]{/": Vec([String("A \0A 0 aA0 a0aa00 A\000 0 \0\0aA\0\0a \0 \0a 0A\0A\0 Aa0aAA0A\0aa\00 0\0\0\0\0\00a Aa0 \0 a A0 \0AA0A Aa Aa\00aAaAaaA0A0 aA0 \0 Aa\00 \0000AAA a \0AAaaA\0\0a A0a0AA\0aA00 aA a0A\0AAa0a\0A0a\0\0A0A \00Aaaaa a A AO.*D\r.`bD4a\n*\u{15}\\B\"ace.8&A\t[AV8w<\u{18}\"\u{f}4`^Q\u{1b}U*$Z/\0\u{b}]qw${`\"=X&A\\\u{e}%`\\:\"$\u{1}.(6_C:\u{7}a`V=N**\u{1b})#Y\u{7f}#\u{b}$l\t}.Mns5!\t*$g\u{18}\rC\u{11}\"$=\u{7}.?&\u{1}yW\t.Y|<6\u{12}\u{e}/4JJ*&/V$`\"&`x#R\np\\%'*\n:P\0K\u{b}*`\r7Ym\t_\u{b}=$\u{16}`0v\u{7f}'NV^N4J<9=G*A:!b\u{1c}:'c{ST&z![\u{7f}/.={E*pmaWC\u{7f}7p{<\"']\u{8}?`\u{1b}\"\\\u{1}$\u{18}/!\u{16}-\t:E7CUs%_qw*xf.S\t\u{4}'=\"&%t'\u{1f}\u{7f}\u{b}$.=f\u{6}\"$A}xV_$\u{1a}nH\n\u{1b}?<&\n\u{15}U\\-b\u{1d}|\u{b}\u{2}t \rwA{L\u{11}\u{6}\u{10}\0\u{1b}G[x?&Yi?&7\u{b}?\r\u{1f}b\\$=\u{b}x& Q/\t\u{4}|X\"7\"{\0\0j'.\0\\e1zR.\u{c}\n<\u{b}Q*R+y8\u{19}(o\u{1f}@m\nt+\u{7f}Q\\+.Rn?\u{17}UZ\"$\u{b}/\0B=9=\t{\u{8}qZ&`!:D{\u{6}IO.H\u{7f}:?/3@\r\u{1b}oä\u{202e}f:BȺ?:``*·¥\u{74ca5}\"": Vec([Field(1), Field(8822392870083219098626030699076694602179106416928939583840848325203494062169), String("*TXn;{}\"_)_9\nk\\#ts\u{10}%\\c\n/2._::Oj*\u{7f}\0\r&PUMl\u{10}$/u?L}\u{7f}*P&<%=\u{7}S#%A\n \u{e}\\#v!\"\nepRp.{vH{&@\t\u{1f}\u{b}?=T\u{f}\"B\u{11}\n/{HY.\u{16}\n\nj<&\u{3}{f\n/9J*&x.$/,\r\0\u{1c}'\u{5}\u{13}\u{1b}`T\0`\n&/&\u{15}\u{b}w:{SK\u{7f}\\apR%/'0`0\n'd$$\u{7f}Vs\t<{\nDTT\\F\n\u{15}y.\\\t*-)&D$*u\u{b}\u{1b}?{\u{b}/\n\u{7f}0*.7\0\n:\u{b}.rSk<6~>{#"), String(".\"JA%q6i\ra/:F\u{16}?q<\t\rN\\13?H<;?{`\u{1d}p{.\"5?*@'N\"\u{1a}P,\u{1b}\u{7f}c+dt5':Y\u{1b}k/G>k/eM$XIX')\u{1b}'&\u{7f}\\\r\u{1b}`'P_.\n.?\0p`Y\u{c}`._\u{b}B\0\ng/*v$jfJ:\u{c}\u{1b}Pv}xn7ph@#{_<{.JD?r%'E\n7s9n/],u![;%*\u{2}{y`MgRdok8\"%<*>*{GyFJ}?\0W%#\0\u{1b}\u{7f}\u{16}G:\t=w\u{7f}:q\u{7f}:{k?\u{b}(:ca{$*1X/cw\u{1b}Z6I\rX\0\u{1b}(.^14\r\\=s\u{1b}w\u{3}F~\n\u{1e})/$0:=[\u{1},\\\\\tg\u{16}:],J`\0N\n\u{1b}\u{1b}\u{1b}{.xb\u{1a}\r'12#?e\\#/\tA\u{7f}\".\\Ke=\\?!v+P\u{17}\r\u{12}x.=A.`0<&?\niR/*WW\rnV)5vY.~\n _h\0&5f#\r\u{2}-S%\t s..\u{7f}!X}\"=\"?\u{5}y\u{4}`fr&R&d: 1Ht\"4`y_/S.71#{|%$%&ehy\u{16}J_\u{e}=:.%'\"N=J:\r:{&.\u{12}\u{b})&N\u{10}R_3;11\u{b}Qd<`<{?xF:~\"%<=<<\03:t??&\r;{\u{13}?__Y\u{6})\\k,vs?\n`G(*\n!\u{1b}[@z\0$?*yKLJh_\u{13}FkY'\\?T^\u{1f}$1n`'[\n\u{7f}\0+l\u{b}\u{1a}E\u{b}&(/\u{b}\rr\t:&\0+N'N:oC:*``IN\u{b}*.:\t$7+'*U:\t Result { let json_value = match (value, abi_type) { + (InputValue::Field(f), AbiType::Integer { sign: crate::Sign::Signed, width }) => { + JsonTypes::String(field_to_signed_hex(*f, *width)) + } (InputValue::Field(f), AbiType::Field | AbiType::Integer { .. }) => { JsonTypes::String(Self::format_field_string(*f)) } @@ -143,6 +146,9 @@ impl InputValue { ) -> Result { let input_value = match (value, param_type) { (JsonTypes::String(string), AbiType::String { .. }) => InputValue::String(string), + (JsonTypes::String(string), AbiType::Integer { sign: crate::Sign::Signed, width }) => { + InputValue::Field(parse_str_to_signed(&string, *width)?) + } ( JsonTypes::String(string), AbiType::Field | AbiType::Integer { .. } | AbiType::Boolean, @@ -192,3 +198,40 @@ impl InputValue { Ok(input_value) } } + +#[cfg(test)] +mod test { + use proptest::prelude::*; + + use crate::{ + arbitrary::arb_abi_and_input_map, + input_parser::{arbitrary::arb_signed_integer_type_and_value, json::JsonTypes, InputValue}, + }; + + use super::{parse_json, serialize_to_json}; + + proptest! { + #[test] + fn serializing_and_parsing_returns_original_input((abi, input_map) in arb_abi_and_input_map()) { + let json = serialize_to_json(&input_map, &abi).expect("should be serializable"); + let parsed_input_map = parse_json(&json, &abi).expect("should be parsable"); + + prop_assert_eq!(parsed_input_map, input_map); + } + + #[test] + fn signed_integer_serialization_roundtrip((typ, value) in arb_signed_integer_type_and_value()) { + let string_input = JsonTypes::String(value.to_string()); + let input_value = InputValue::try_from_json(string_input, &typ, "foo").expect("should be parsable"); + let JsonTypes::String(output_string) = JsonTypes::try_from_input_value(&input_value, &typ).expect("should be serializable") else { + panic!("wrong type output"); + }; + let output_number = if let Some(output_string) = output_string.strip_prefix("-0x") { + -i64::from_str_radix(output_string, 16).unwrap() + } else { + i64::from_str_radix(output_string.strip_prefix("0x").unwrap(), 16).unwrap() + }; + prop_assert_eq!(output_number, value); + } + } +} diff --git a/noir/noir-repo/tooling/noirc_abi/src/input_parser/mod.rs b/noir/noir-repo/tooling/noirc_abi/src/input_parser/mod.rs index d7bbb0adfe3..b7732235eb2 100644 --- a/noir/noir-repo/tooling/noirc_abi/src/input_parser/mod.rs +++ b/noir/noir-repo/tooling/noirc_abi/src/input_parser/mod.rs @@ -248,6 +248,11 @@ mod serialization_tests { typ: AbiType::Field, visibility: AbiVisibility::Private, }, + AbiParameter { + name: "signed_example".into(), + typ: AbiType::Integer { sign: Sign::Signed, width: 8 }, + visibility: AbiVisibility::Private, + }, AbiParameter { name: "bar".into(), typ: AbiType::Struct { @@ -272,6 +277,7 @@ mod serialization_tests { let input_map: BTreeMap = BTreeMap::from([ ("foo".into(), InputValue::Field(FieldElement::one())), + ("signed_example".into(), InputValue::Field(FieldElement::from(240u128))), ( "bar".into(), InputValue::Struct(BTreeMap::from([ @@ -317,7 +323,9 @@ fn parse_str_to_field(value: &str) -> Result { } fn parse_str_to_signed(value: &str, width: u32) -> Result { - let big_num = if let Some(hex) = value.strip_prefix("0x") { + let big_num = if let Some(hex) = value.strip_prefix("-0x") { + BigInt::from_str_radix(hex, 16).map(|value| -value) + } else if let Some(hex) = value.strip_prefix("0x") { BigInt::from_str_radix(hex, 16) } else { BigInt::from_str_radix(value, 10) @@ -357,12 +365,23 @@ fn field_from_big_int(bigint: BigInt) -> FieldElement { } } +fn field_to_signed_hex(f: FieldElement, bit_size: u32) -> String { + let f_u128 = f.to_u128(); + let max = 2_u128.pow(bit_size - 1) - 1; + if f_u128 > max { + let f = FieldElement::from(2_u128.pow(bit_size) - f_u128); + format!("-0x{}", f.to_hex()) + } else { + format!("0x{}", f.to_hex()) + } +} + #[cfg(test)] mod test { use acvm::{AcirField, FieldElement}; use num_bigint::BigUint; - use super::parse_str_to_field; + use super::{parse_str_to_field, parse_str_to_signed}; fn big_uint_from_field(field: FieldElement) -> BigUint { BigUint::from_bytes_be(&field.to_be_bytes()) @@ -400,4 +419,38 @@ mod test { let noncanonical_field = FieldElement::modulus().to_string(); assert!(parse_str_to_field(&noncanonical_field).is_err()); } + + #[test] + fn test_parse_str_to_signed() { + let value = parse_str_to_signed("1", 8).unwrap(); + assert_eq!(value, FieldElement::from(1_u128)); + + let value = parse_str_to_signed("-1", 8).unwrap(); + assert_eq!(value, FieldElement::from(255_u128)); + + let value = parse_str_to_signed("-1", 16).unwrap(); + assert_eq!(value, FieldElement::from(65535_u128)); + } +} + +#[cfg(test)] +mod arbitrary { + use proptest::prelude::*; + + use crate::{AbiType, Sign}; + + pub(super) fn arb_signed_integer_type_and_value() -> BoxedStrategy<(AbiType, i64)> { + (2u32..=64) + .prop_flat_map(|width| { + let typ = Just(AbiType::Integer { width, sign: Sign::Signed }); + let value = if width == 64 { + // Avoid overflow + i64::MIN..i64::MAX + } else { + -(2i64.pow(width - 1))..(2i64.pow(width - 1) - 1) + }; + (typ, value) + }) + .boxed() + } } diff --git a/noir/noir-repo/tooling/noirc_abi/src/input_parser/toml.rs b/noir/noir-repo/tooling/noirc_abi/src/input_parser/toml.rs index 321d3511b5d..6f2be68a0c4 100644 --- a/noir/noir-repo/tooling/noirc_abi/src/input_parser/toml.rs +++ b/noir/noir-repo/tooling/noirc_abi/src/input_parser/toml.rs @@ -1,4 +1,4 @@ -use super::{parse_str_to_field, parse_str_to_signed, InputValue}; +use super::{field_to_signed_hex, parse_str_to_field, parse_str_to_signed, InputValue}; use crate::{errors::InputParserError, Abi, AbiType, MAIN_RETURN_NAME}; use acvm::{AcirField, FieldElement}; use iter_extended::{try_btree_map, try_vecmap}; @@ -60,7 +60,7 @@ pub(crate) fn serialize_to_toml( Ok(toml_string) } -#[derive(Debug, Deserialize, Serialize, Clone)] +#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)] #[serde(untagged)] enum TomlTypes { // This is most likely going to be a hex string @@ -83,6 +83,9 @@ impl TomlTypes { abi_type: &AbiType, ) -> Result { let toml_value = match (value, abi_type) { + (InputValue::Field(f), AbiType::Integer { sign: crate::Sign::Signed, width }) => { + TomlTypes::String(field_to_signed_hex(*f, *width)) + } (InputValue::Field(f), AbiType::Field | AbiType::Integer { .. }) => { let f_str = format!("0x{}", f.to_hex()); TomlTypes::String(f_str) @@ -126,6 +129,7 @@ impl InputValue { ) -> Result { let input_value = match (value, param_type) { (TomlTypes::String(string), AbiType::String { .. }) => InputValue::String(string), + ( TomlTypes::String(string), AbiType::Field @@ -139,7 +143,7 @@ impl InputValue { TomlTypes::Integer(integer), AbiType::Field | AbiType::Integer { .. } | AbiType::Boolean, ) => { - let new_value = FieldElement::from(i128::from(integer)); + let new_value = FieldElement::from(u128::from(integer)); InputValue::Field(new_value) } @@ -179,3 +183,40 @@ impl InputValue { Ok(input_value) } } + +#[cfg(test)] +mod test { + use proptest::prelude::*; + + use crate::{ + arbitrary::arb_abi_and_input_map, + input_parser::{arbitrary::arb_signed_integer_type_and_value, toml::TomlTypes, InputValue}, + }; + + use super::{parse_toml, serialize_to_toml}; + + proptest! { + #[test] + fn serializing_and_parsing_returns_original_input((abi, input_map) in arb_abi_and_input_map()) { + let toml = serialize_to_toml(&input_map, &abi).expect("should be serializable"); + let parsed_input_map = parse_toml(&toml, &abi).expect("should be parsable"); + + prop_assert_eq!(parsed_input_map, input_map); + } + + #[test] + fn signed_integer_serialization_roundtrip((typ, value) in arb_signed_integer_type_and_value()) { + let string_input = TomlTypes::String(value.to_string()); + let input_value = InputValue::try_from_toml(string_input.clone(), &typ, "foo").expect("should be parsable"); + let TomlTypes::String(output_string) = TomlTypes::try_from_input_value(&input_value, &typ).expect("should be serializable") else { + panic!("wrong type output"); + }; + let output_number = if let Some(output_string) = output_string.strip_prefix("-0x") { + -i64::from_str_radix(output_string, 16).unwrap() + } else { + i64::from_str_radix(output_string.strip_prefix("0x").unwrap(), 16).unwrap() + }; + prop_assert_eq!(output_number, value); + } + } +} diff --git a/noir/noir-repo/tooling/noirc_abi/src/lib.rs b/noir/noir-repo/tooling/noirc_abi/src/lib.rs index b1b199727c2..bd5674d64f1 100644 --- a/noir/noir-repo/tooling/noirc_abi/src/lib.rs +++ b/noir/noir-repo/tooling/noirc_abi/src/lib.rs @@ -49,6 +49,7 @@ pub const MAIN_RETURN_NAME: &str = "return"; /// depends on the types of programs that users want to do. I don't envision string manipulation /// in programs, however it is possible to support, with many complications like encoding character set /// support. +#[derive(Hash)] pub enum AbiType { Field, Array { @@ -77,7 +78,7 @@ pub enum AbiType { }, } -#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Hash)] #[cfg_attr(test, derive(arbitrary::Arbitrary))] #[serde(rename_all = "lowercase")] /// Represents whether the parameter is public or known only to the prover. @@ -89,7 +90,7 @@ pub enum AbiVisibility { DataBus, } -#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize, Hash)] #[cfg_attr(test, derive(arbitrary::Arbitrary))] #[serde(rename_all = "lowercase")] pub enum Sign { @@ -146,7 +147,7 @@ impl From<&AbiType> for PrintableType { } } -#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)] +#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, Hash)] #[cfg_attr(test, derive(arbitrary::Arbitrary))] /// An argument or return value of the circuit's `main` function. pub struct AbiParameter { @@ -163,7 +164,7 @@ impl AbiParameter { } } -#[derive(Clone, Debug, Serialize, Deserialize)] +#[derive(Clone, Debug, Serialize, Deserialize, Hash)] #[cfg_attr(test, derive(arbitrary::Arbitrary))] pub struct AbiReturnType { #[cfg_attr(test, proptest(strategy = "arbitrary::arb_abi_type()"))] @@ -171,7 +172,7 @@ pub struct AbiReturnType { pub visibility: AbiVisibility, } -#[derive(Clone, Debug, Default, Serialize, Deserialize)] +#[derive(Clone, Debug, Default, Serialize, Deserialize, Hash)] #[cfg_attr(test, derive(arbitrary::Arbitrary))] pub struct Abi { /// An ordered list of the arguments to the program's `main` function, specifying their types and visibility. @@ -459,7 +460,7 @@ pub enum AbiValue { }, } -#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)] +#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Hash)] #[serde(tag = "error_kind", rename_all = "lowercase")] pub enum AbiErrorType { FmtString { length: u32, item_types: Vec }, diff --git a/noir/noir-repo/tooling/noirc_abi_wasm/Cargo.toml b/noir/noir-repo/tooling/noirc_abi_wasm/Cargo.toml index daa619ca01d..b00d580515e 100644 --- a/noir/noir-repo/tooling/noirc_abi_wasm/Cargo.toml +++ b/noir/noir-repo/tooling/noirc_abi_wasm/Cargo.toml @@ -1,9 +1,11 @@ [package] name = "noirc_abi_wasm" +description = "An ABI encoder for the Noir language" version.workspace = true authors.workspace = true edition.workspace = true license.workspace = true +repository.workspace = true # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html diff --git a/noir/noir-repo/tooling/noirc_abi_wasm/build.sh b/noir/noir-repo/tooling/noirc_abi_wasm/build.sh index c07d2d8a4c1..16fb26e55db 100755 --- a/noir/noir-repo/tooling/noirc_abi_wasm/build.sh +++ b/noir/noir-repo/tooling/noirc_abi_wasm/build.sh @@ -25,7 +25,7 @@ function run_if_available { require_command jq require_command cargo require_command wasm-bindgen -#require_command wasm-opt +require_command wasm-opt self_path=$(dirname "$(readlink -f "$0")") pname=$(cargo read-manifest | jq -r '.name') diff --git a/noir/noir-repo/tooling/noirc_abi_wasm/test/browser/abi_encode.test.ts b/noir/noir-repo/tooling/noirc_abi_wasm/test/browser/abi_encode.test.ts index e1aaf0dc2c0..ac18495919c 100644 --- a/noir/noir-repo/tooling/noirc_abi_wasm/test/browser/abi_encode.test.ts +++ b/noir/noir-repo/tooling/noirc_abi_wasm/test/browser/abi_encode.test.ts @@ -15,7 +15,8 @@ it('recovers original inputs when abi encoding and decoding', async () => { const foo: Field = inputs.foo as Field; const bar: Field[] = inputs.bar as Field[]; expect(BigInt(decoded_inputs.inputs.foo)).to.be.equal(BigInt(foo)); - expect(BigInt(decoded_inputs.inputs.bar[0])).to.be.equal(BigInt(bar[0])); - expect(BigInt(decoded_inputs.inputs.bar[1])).to.be.equal(BigInt(bar[1])); + expect(parseInt(decoded_inputs.inputs.bar[0])).to.be.equal(parseInt(bar[0].toString())); + expect(parseInt(decoded_inputs.inputs.bar[1])).to.be.equal(parseInt(bar[1].toString())); + expect(parseInt(decoded_inputs.inputs.bar[2])).to.be.equal(parseInt(bar[2].toString())); expect(decoded_inputs.return_value).to.be.null; }); diff --git a/noir/noir-repo/tooling/noirc_abi_wasm/test/node/abi_encode.test.ts b/noir/noir-repo/tooling/noirc_abi_wasm/test/node/abi_encode.test.ts index a49c10b6ea6..e87618d84da 100644 --- a/noir/noir-repo/tooling/noirc_abi_wasm/test/node/abi_encode.test.ts +++ b/noir/noir-repo/tooling/noirc_abi_wasm/test/node/abi_encode.test.ts @@ -11,7 +11,8 @@ it('recovers original inputs when abi encoding and decoding', async () => { const foo: Field = inputs.foo as Field; const bar: Field[] = inputs.bar as Field[]; expect(BigInt(decoded_inputs.inputs.foo)).to.be.equal(BigInt(foo)); - expect(BigInt(decoded_inputs.inputs.bar[0])).to.be.equal(BigInt(bar[0])); - expect(BigInt(decoded_inputs.inputs.bar[1])).to.be.equal(BigInt(bar[1])); + expect(parseInt(decoded_inputs.inputs.bar[0])).to.be.equal(parseInt(bar[0].toString())); + expect(parseInt(decoded_inputs.inputs.bar[1])).to.be.equal(parseInt(bar[1].toString())); + expect(parseInt(decoded_inputs.inputs.bar[2])).to.be.equal(parseInt(bar[2].toString())); expect(decoded_inputs.return_value).to.be.null; }); diff --git a/noir/noir-repo/tooling/noirc_abi_wasm/test/shared/abi_encode.ts b/noir/noir-repo/tooling/noirc_abi_wasm/test/shared/abi_encode.ts index 62eb7658f43..b789bb05371 100644 --- a/noir/noir-repo/tooling/noirc_abi_wasm/test/shared/abi_encode.ts +++ b/noir/noir-repo/tooling/noirc_abi_wasm/test/shared/abi_encode.ts @@ -5,7 +5,7 @@ export const abi: Abi = { { name: 'foo', type: { kind: 'field' }, visibility: 'private' }, { name: 'bar', - type: { kind: 'array', length: 2, type: { kind: 'field' } }, + type: { kind: 'array', length: 3, type: { kind: 'integer', sign: 'signed', width: 32 } }, visibility: 'private', }, ], @@ -15,5 +15,5 @@ export const abi: Abi = { export const inputs: InputMap = { foo: '1', - bar: ['1', '2'], + bar: ['1', '2', '-1'], }; diff --git a/noir/noir-repo/tooling/profiler/src/cli/execution_flamegraph_cmd.rs b/noir/noir-repo/tooling/profiler/src/cli/execution_flamegraph_cmd.rs index 981d08a3eb1..6d6da89f660 100644 --- a/noir/noir-repo/tooling/profiler/src/cli/execution_flamegraph_cmd.rs +++ b/noir/noir-repo/tooling/profiler/src/cli/execution_flamegraph_cmd.rs @@ -8,7 +8,7 @@ use crate::flamegraph::{BrilligExecutionSample, FlamegraphGenerator, InfernoFlam use crate::fs::{read_inputs_from_file, read_program_from_file}; use crate::opcode_formatter::format_brillig_opcode; use bn254_blackbox_solver::Bn254BlackBoxSolver; -use nargo::ops::DefaultForeignCallExecutor; +use nargo::foreign_calls::DefaultForeignCallExecutor; use noirc_abi::input_parser::Format; use noirc_artifacts::debug::DebugArtifact; diff --git a/noir/noir-repo/yarn.lock b/noir/noir-repo/yarn.lock index 3c8df2b1772..f7b7b3df372 100644 --- a/noir/noir-repo/yarn.lock +++ b/noir/noir-repo/yarn.lock @@ -221,20 +221,20 @@ __metadata: languageName: node linkType: hard -"@aztec/bb.js@portal:../../../../barretenberg/ts::locator=integration-tests%40workspace%3Acompiler%2Fintegration-tests": - version: 0.0.0-use.local - resolution: "@aztec/bb.js@portal:../../../../barretenberg/ts::locator=integration-tests%40workspace%3Acompiler%2Fintegration-tests" +"@aztec/bb.js@npm:0.63.1": + version: 0.63.1 + resolution: "@aztec/bb.js@npm:0.63.1" dependencies: comlink: ^4.4.1 commander: ^10.0.1 debug: ^4.3.4 fflate: ^0.8.0 - pako: ^2.1.0 tslib: ^2.4.0 bin: - bb.js: ./dest/node/main.js + bb.js: dest/node/main.js + checksum: b80730f1cb87e4d2ca21d991a42950bc069367896db309ab3f909c5f53efa9291538d51e35bc3c6d2eea042ca33c279ae59eb3f5d844a24336c7bb9664c2404b languageName: node - linkType: soft + linkType: hard "@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.10.4, @babel/code-frame@npm:^7.12.11, @babel/code-frame@npm:^7.16.0, @babel/code-frame@npm:^7.22.13, @babel/code-frame@npm:^7.23.5, @babel/code-frame@npm:^7.8.3": version: 7.23.5 @@ -14123,7 +14123,7 @@ __metadata: version: 0.0.0-use.local resolution: "integration-tests@workspace:compiler/integration-tests" dependencies: - "@aztec/bb.js": "portal:../../../../barretenberg/ts" + "@aztec/bb.js": 0.63.1 "@noir-lang/noir_js": "workspace:*" "@noir-lang/noir_wasm": "workspace:*" "@nomicfoundation/hardhat-chai-matchers": ^2.0.0