[PATCH] D44324: [TwoAddressInstructionPass] Improve tryInstructionCommute X86 FMA and vpternlog instructions

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: MatzeB, v_klochkov.

These instructions have 3 operands that can be commuted. The first commute we find may not be the best. So we should keep searching even after we perform a commute.


https://reviews.llvm.org/D44324

Files:
  lib/CodeGen/TwoAddressInstructionPass.cpp
  test/CodeGen/X86/avx512-vpternlog-commute.ll
  test/CodeGen/X86/recip-fastmath.ll
  test/CodeGen/X86/recip-fastmath2.ll

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