[PATCH] D15718: Recognize patterns for ctpop and ctlz in instcombine

[Krzysztof Parzyszek via llvm-commits]

kparzysz updated this revision to Diff 43461.
kparzysz added a comment.

Addresses all the comments except for splitting the patch into two.  The ctpop part does not depend on ctlz, but ctlz utilizes ctpop.


Repository:
  rL LLVM

http://reviews.llvm.org/D15718

Files:
  lib/Transforms/InstCombine/InstCombineAddSub.cpp
  test/Transforms/InstCombine/ctlz-match.ll
  test/Transforms/InstCombine/ctpop-match.ll

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