[all-commits] [llvm/llvm-project] 6a7e95: [InstCombine] try to reduce more shuffles with bit...

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  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 6a7e958a423ed1d33b42cfb10563a46ccc07f44d
      https://github.com/llvm/llvm-project/commit/6a7e958a423ed1d33b42cfb10563a46ccc07f44d
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2020-04-14 (Tue, 14 Apr 2020)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
    M llvm/test/Transforms/InstCombine/shufflevec-bitcast.ll

  Log Message:
  -----------
  [InstCombine] try to reduce more shuffles with bitcasted operand

This is the widen mask element sibling to D76844.

shuf (bitcast X), undef, Mask --> bitcast X'

http://volta.cs.utah.edu:8080/z/4dt3V8