FailedChanges

Summary

  1. [InstCombine] recognize popcount. (details)
Commit c17c5864fff66e8350c6a3a85a5604f2950055ac by czhengsz
[InstCombine] recognize popcount.
  This patch recognizes popcount intrinsic according to algorithm from
website

http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel
Differential Revision: https://reviews.llvm.org/D68189
llvm-svn: 374512
The file was modifiedllvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp
The file was modifiedllvm/include/llvm/IR/PatternMatch.h
The file was addedllvm/test/Transforms/AggressiveInstCombine/popcount.ll