Amir Ayupov e38fc14c43 [X86] Introduce x86-cmov-converter-force-all ...

Introduce an option to expand all CMOV groups into hammocks, matching GCC's
`-fno-if-conversion2` flag. The motivation is to leave CMOV conversion
opportunities to a binary optimizer that can make the decision based on branch
misprediction rate (available e.g. in Intel's LBR).

Reviewed By: MaskRay, skan

Differential Revision: https://reviews.llvm.org/D119777

2022-02-24 10:47:22 -08:00

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