FailedChanges

Summary

  1. [InstCombine] add fast-math-flags for better test coverage; NFC (details)
  2. [X86] Enable YMM memcmp with AVX1 (details)
Commit 1b57f0213f32cf54e132b4bc2361d8a41174d6b8 by spatel
[InstCombine] add fast-math-flags for better test coverage; NFC
In all cases, we currently unintentionally drop the FMF on the new
select.
The file was modifiedllvm/test/Transforms/InstCombine/unordered-fcmp-select.ll
Commit 0e252ae19ff8d99a59d64442c38eeafa5825d441 by dave
[X86] Enable YMM memcmp with AVX1
Update TargetTransformInfo to allow AVX1 to use YMM registers for
memcmp.
This is a follow up to D68632 which enabled XOR compares which made this
possible.
https://reviews.llvm.org/D69658
The file was modifiedllvm/test/CodeGen/X86/memcmp.ll
The file was modifiedllvm/test/CodeGen/X86/memcmp-more-load-pairs.ll
The file was modifiedllvm/lib/Target/X86/X86TargetTransformInfo.cpp