[PATCH] D63026: [InstCombine] Fold icmp eq/ne (and %x, signbit), 0 -> %x s>=/s< 0 earlier

[Huihui Zhang via Phabricator via llvm-commits]

huihuiz updated this revision to Diff 205388.
huihuiz marked 4 inline comments as done.
Herald added a subscriber: hiraditya.

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63026/new/

https://reviews.llvm.org/D63026

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
  llvm/test/Transforms/InstCombine/lshr-and-signbit-icmpeq-zero.ll
  llvm/test/Transforms/InstCombine/shl-and-signbit-icmpeq-zero.ll

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