[all-commits] [llvm/llvm-project] 6ca967: [X86] Disable commuting for the first source opera...

[topperc via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 6ca96765c7e6f63b45e6c311918a648ef684ea20
      https://github.com/llvm/llvm-project/commit/6ca96765c7e6f63b45e6c311918a648ef684ea20
  Author: Craig Topper <craig.topper at intel.com>
  Date:   2020-03-04 (Wed, 04 Mar 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrInfo.cpp
    M llvm/test/CodeGen/X86/avx512-intrinsics.ll

  Log Message:
  -----------
  [X86] Disable commuting for the first source operand of zero masked scalar fma intrinsic instructions.

I believe this is the correct fix for D75506 rather than disabling all commuting. We can still commute the remaining two sources.

Differential Revision:m https://reviews.llvm.org/D75526