[PATCH] D61691: [InstSimplify] fold fcmp (minnum, X, C1), C2
Sanjay Patel via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed May 8 12:14:42 PDT 2019
spatel created this revision.
spatel added reviewers: arsenm, efriedma, mcberg2017.
Herald added subscribers: hiraditya, wdng, mcrosier.
Herald added a project: LLVM.
This pattern showed up when I was investigating a different minnum optimization. I can add the maxnum sibling as a follow-up if this looks ok.
We should be able to perform some other combines when the constants are equal or greater-than too, but that would go in instcombine if I'm seeing it correctly.
https://reviews.llvm.org/D61691
Files:
llvm/lib/Analysis/InstructionSimplify.cpp
llvm/test/Transforms/InstSimplify/floating-point-compare.ll
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