[all-commits] [llvm/llvm-project] a14aa7: [X86][SSE] combineExtractWithShuffle - extract(bic...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a14aa7dabde3e985c6ae3d89fd86c6be788c4b90
      https://github.com/llvm/llvm-project/commit/a14aa7dabde3e985c6ae3d89fd86c6be788c4b90
  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/X86/2011-10-19-LegelizeLoad.ll
    M llvm/test/CodeGen/X86/bitcast-vector-bool.ll
    M llvm/test/CodeGen/X86/oddsubvector.ll
    M llvm/test/CodeGen/X86/scalar_widen_div.ll
    M llvm/test/CodeGen/X86/vector-idiv-v2i32.ll

  Log Message:
  -----------
  [X86][SSE] combineExtractWithShuffle - extract(bictcast(scalar_to_vector(x))) --> x

Removes some unnecessary gpr<-->fpu traffic