[all-commits] [llvm/llvm-project] c36763: [X86] Call SimplifyMultipleUseDemandedBits from co...

topperc via All-commits all-commits at lists.llvm.org
Wed Jan 1 11:17:08 PST 2020


  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: c36763d8943d3d5f6ce5f49c103d28eb8d8e0ada
      https://github.com/llvm/llvm-project/commit/c36763d8943d3d5f6ce5f49c103d28eb8d8e0ada
  Author: Craig Topper <craig.topper at gmail.com>
  Date:   2020-01-01 (Wed, 01 Jan 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vselect.ll

  Log Message:
  -----------
  [X86] Call SimplifyMultipleUseDemandedBits from combineVSelectToBLENDV if the condition is used by something other than select conditions.

We might be able to bypass some nodes on the condition path.

Differential Revision: https://reviews.llvm.org/D71984




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