[PATCH] D107923: [X86] X86DAGToDAGISel::matchBitExtract(): support 'num high bits to clear' pattern

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Sep 7 13:25:22 PDT 2021


lebedev.ri updated this revision to Diff 371169.
lebedev.ri marked an inline comment as done.
lebedev.ri added a comment.

Thanks for taking a look!

Yeah, i keep wondering about these one-use checks.
I'm not sure what's right.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D107923/new/

https://reviews.llvm.org/D107923

Files:
  llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
  llvm/test/CodeGen/X86/clear-highbits.ll

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