feat(ssa): Loop invariant code motion #15504

Job	Run time
build-acvm-js	1m 25s
build-nargo	2m 22s
build-noirc-abi	1m 28s
build-noir-wasm	3m 41s
ACVM JS (Node.js)	45s
ACVM JS (Browser)	1m 23s
noirc_abi	1m 21s
noir_codegen	1m 4s
Example scripts	11s
Noir JS	1m 12s
Check external repo - ${{ matrix.project.repo }}	0s
noir_wasm	1m 45s
Integration Tests (Browser)	1m 48s
Integration Tests (Node)	2m 15s
End	1s
	20m 41s

Provide feedback