[PATCH] D31398: [X86][X86 intrinsics]Folding cmp(sub(a, b), 0) into cmp(a, b) optimization

[michael zuckerman via Phabricator via llvm-commits]

m_zuckerman updated this revision to Diff 95159.
m_zuckerman added a comment.

Hi, 
I did a small modification on the code since I am going to retire from the canonical compare representation review.
I added to the code the ability to fold cmp(0, fsub(a,b)) additnal to the reviewrd cmp(fsub(a,b),0)

Thanks,
Michael Zuckerman


https://reviews.llvm.org/D31398

Files:
  Transforms/InstCombine/InstCombineCalls.cpp
  Transforms/InstCombine/X86FsubCmpCombine.ll

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