[PATCH] D25135: [InstCombine] sub X, sext(bool Y) -> add X, zext(bool Y)

[Sanjay Patel via llvm-commits]

spatel updated this revision to Diff 74579.
spatel added a comment.

Patch updated as suggested by Eli:
Favor the simpler zext+add sequence over keeping an 'nuw' flag.


https://reviews.llvm.org/D25135

Files:
  lib/Transforms/InstCombine/InstCombineAddSub.cpp
  test/Transforms/InstCombine/sub.ll
  test/Transforms/InstCombine/urem.ll

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