[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 167778.
lebedev.ri marked 2 inline comments as done.
lebedev.ri added a comment.

- Use `TargetOpcode::IMPLICIT_DEF`.


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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