[PATCH] D54095: [X86] X86DAGToDAGISel::matchBitExtract(): extract 'lshr' from `X`

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 174167.
lebedev.ri marked 6 inline comments as done.
lebedev.ri added a comment.

Simply do `ZERO_EXTEND`.


Repository:
  rL LLVM

https://reviews.llvm.org/D54095

Files:
  lib/Target/X86/X86ISelDAGToDAG.cpp
  test/CodeGen/X86/extract-bits.ll

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