[PATCH] D42265: [X86] Add an override of targetShrinkDemandedConstant to limit the damage that shrinkdemandedbits can do to zext_in_reg operations

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 130749.
craig.topper added a comment.

Rebase after adding zext-demanded.ll


Repository:
  rL LLVM

https://reviews.llvm.org/D42265

Files:
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.h
  lib/Target/X86/X86InstrCompiler.td
  test/CodeGen/X86/3addr-or.ll
  test/CodeGen/X86/popcnt.ll
  test/CodeGen/X86/pr21792.ll
  test/CodeGen/X86/zext-demanded.ll

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