[PATCH] D67087: [X86] Override BuildSDIVPow2 for X86.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 218527.
craig.topper added a comment.

Limit the transform to not apply to division by 2 or -2. Add more test cases


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D67087/new/

https://reviews.llvm.org/D67087

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86ISelLowering.h
  llvm/test/CodeGen/X86/combine-sdiv.ll
  llvm/test/CodeGen/X86/combine-srem.ll
  llvm/test/CodeGen/X86/rem.ll
  llvm/test/CodeGen/X86/srem-seteq.ll
  llvm/test/CodeGen/X86/twoaddr-coalesce-3.ll

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