[PATCH] D71952: [X86][InstCombine] Add constant folding and simplification support for pdep and pext

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 235467.
craig.topper added a comment.

Use non-constants for the all 0s and all ones 1s cases.

Move comment to own line. Use Mask &= Mask - 1 instead of the Mask ^=.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71952/new/

https://reviews.llvm.org/D71952

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/test/Transforms/InstCombine/X86/x86-bmi-tbm.ll

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