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Control opt_main pipeline with a proto
Give the ability to specify a full opt pipeline as a proto and the ability to dump an existing pipeline as a proto. This is useful for allowing one to make tools which can modify a pipeline for experimentation. PiperOrigin-RevId: 699296142
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xls/passes/dump_default_optimization_pass_pipeline_main.cc
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|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| // Copyright 2024 The XLS Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| #include <memory> | ||
| #include <optional> | ||
| #include <string> | ||
| #include <string_view> | ||
| #include <vector> | ||
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| #include "absl/flags/flag.h" | ||
| #include "absl/log/log.h" | ||
| #include "absl/status/status.h" | ||
| #include "google/protobuf/text_format.h" | ||
| #include "xls/common/exit_status.h" | ||
| #include "xls/common/file/filesystem.h" | ||
| #include "xls/common/init_xls.h" | ||
| #include "xls/common/status/ret_check.h" | ||
| #include "xls/common/status/status_macros.h" | ||
| #include "xls/passes/optimization_pass.h" | ||
| #include "xls/passes/optimization_pass_pipeline.h" | ||
| #include "xls/passes/pass_pipeline.pb.h" | ||
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| const char kUsage[] = R"( | ||
| Dump the default optimization pipeline as a PassPipelineProto. | ||
| )"; | ||
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| ABSL_FLAG(std::optional<std::string>, textproto_out, std::nullopt, | ||
| "Location to write the pipeline in textproto format."); | ||
| ABSL_FLAG(std::optional<std::string>, proto_out, std::nullopt, | ||
| "Location to write the pipeline in binary proto format."); | ||
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| namespace xls { | ||
| namespace { | ||
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| absl::Status RealMain() { | ||
| std::unique_ptr<OptimizationPass> passes = CreateOptimizationPassPipeline(); | ||
| if (!absl::GetFlag(FLAGS_textproto_out) && !absl::GetFlag(FLAGS_proto_out)) { | ||
| return absl::InvalidArgumentError( | ||
| "One of --proto_out or --textproto_out is required"); | ||
| } | ||
| PassPipelineProto res; | ||
| XLS_ASSIGN_OR_RETURN(*res.mutable_top(), passes->ToProto()); | ||
| if (absl::GetFlag(FLAGS_textproto_out)) { | ||
| std::string out; | ||
| XLS_RET_CHECK(google::protobuf::TextFormat::PrintToString(res, &out)) | ||
| << "Unable to serialize proto."; | ||
| XLS_RETURN_IF_ERROR( | ||
| SetFileContents(*absl::GetFlag(FLAGS_textproto_out), out)); | ||
| } | ||
| if (absl::GetFlag(FLAGS_proto_out)) { | ||
| XLS_RETURN_IF_ERROR(SetFileContents(*absl::GetFlag(FLAGS_proto_out), | ||
| res.SerializeAsString())); | ||
| } | ||
| return absl::OkStatus(); | ||
| } | ||
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| } // namespace | ||
| } // namespace xls | ||
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| int main(int argc, char** argv) { | ||
| std::vector<std::string_view> positional_arguments = | ||
| xls::InitXls(kUsage, argc, argv); | ||
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| if (!positional_arguments.empty()) { | ||
| LOG(QFATAL) << "Expected invocation: " << argv[0]; | ||
| } | ||
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| return xls::ExitStatus(xls::RealMain()); | ||
| } |
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