[all-commits] [llvm/llvm-project] 4aa7b9: [X86] X86InstComments - add FMA4 comments

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 4aa7b9cc963ae0df6a1411936b879d3c979d7299
      https://github.com/llvm/llvm-project/commit/4aa7b9cc963ae0df6a1411936b879d3c979d7299
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-02-08 (Sat, 08 Feb 2020)

  Changed paths:
    M llvm/lib/Target/X86/MCTargetDesc/X86InstComments.cpp
    M llvm/test/CodeGen/X86/extended-fma-contraction.ll
    M llvm/test/CodeGen/X86/fma-fneg-combine-2.ll
    M llvm/test/CodeGen/X86/fma4-commute-x86.ll
    M llvm/test/CodeGen/X86/fma4-fneg-combine.ll
    M llvm/test/CodeGen/X86/fma4-intrinsics-x86-upgrade.ll
    M llvm/test/CodeGen/X86/fma4-intrinsics-x86.ll
    M llvm/test/CodeGen/X86/fma4-intrinsics-x86_64-folded-load.ll
    M llvm/test/CodeGen/X86/fma4-scalar-memfold.ll
    M llvm/test/CodeGen/X86/fma_patterns.ll
    M llvm/test/CodeGen/X86/fma_patterns_wide.ll
    M llvm/test/CodeGen/X86/fmaddsub-combine.ll
    M llvm/test/CodeGen/X86/fp-intrinsics-fma.ll
    M llvm/test/CodeGen/X86/wide-fma-contraction.ll

  Log Message:
  -----------
  [X86] X86InstComments - add FMA4 comments

These typically match the FMA3 equivalents, although the multiply operands sometimes get flipped due to the FMA3 permute variants.