[all-commits] [llvm/llvm-project] 534043: [X86][SSE] combineExtractWithShuffle - extract(bit...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 5340434c94c4c48abf755d12b2c3a19ca46fabaa
      https://github.com/llvm/llvm-project/commit/5340434c94c4c48abf755d12b2c3a19ca46fabaa
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-01-22 (Wed, 22 Jan 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/bitcast-vector-bool.ll

  Log Message:
  -----------
  [X86][SSE] combineExtractWithShuffle - extract(bitcast(broadcast(x))) --> x

Removes some unnecessary gpr<-->fpu traffic