[PATCH] D52304: [X86][BMI1]: X86DAGToDAGISel: select BEXTR from x & ~(-1 << nbits) pattern

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 166343.
lebedev.ri added a comment.

I'm gonna stop here, i think this is the state for the review.

Fix stupid typo in comments - '8-bit low subreg' is `AL`, not AX.


Repository:
  rL LLVM

https://reviews.llvm.org/D52304

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

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