[all-commits] [llvm/llvm-project] 2d1390: [DAG] SimplifyDemandedBits - mul(x, x) - if only de...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2d1390efbe610ff15a8cfc6d40f6e8eaa74355b6
      https://github.com/llvm/llvm-project/commit/2d1390efbe610ff15a8cfc6d40f6e8eaa74355b6
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-01-31 (Mon, 31 Jan 2022)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    M llvm/test/CodeGen/X86/combine-mul.ll

  Log Message:
  -----------
  [DAG] SimplifyDemandedBits - mul(x,x) - if only demand bit[1] then fold to zero