[all-commits] [llvm/llvm-project] 8ead5d: [X86] computeKnownBitsForTargetNode - add BEXTR su...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 8ead5df0b1197daf4cd5ed5d990a43d62c3cf43e
      https://github.com/llvm/llvm-project/commit/8ead5df0b1197daf4cd5ed5d990a43d62c3cf43e
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-02-03 (Mon, 03 Feb 2020)

  Changed paths:
    M llvm/include/llvm/Support/KnownBits.h
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/combine-bextr.ll

  Log Message:
  -----------
  [X86] computeKnownBitsForTargetNode - add BEXTR support (PR39153)

Add a KnownBits::extractBits helper