[PATCH] D38832: [X86][SelectionDAG] Add support for simplifying demanded bits of target nodes. Use it to simplify demanded bits of CMOV

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 134349.
craig.topper added a comment.

Remove the recursive calls on the cmov operands. Stick to cmov with constant inputs for now.


https://reviews.llvm.org/D38832

Files:
  include/llvm/CodeGen/TargetLowering.h
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.h
  test/CodeGen/X86/select.ll
  test/CodeGen/X86/select_const.ll
  test/CodeGen/X86/vector-compare-all_of.ll

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