[all-commits] [llvm/llvm-project] 821f3b: [InstCombine] Add rotate tests where the shift amo...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 821f3b763ae506b329144550028a4fd0cba0a361
      https://github.com/llvm/llvm-project/commit/821f3b763ae506b329144550028a4fd0cba0a361
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-10-26 (Mon, 26 Oct 2020)

  Changed paths:
    M llvm/test/Transforms/InstCombine/rotate.ll

  Log Message:
  -----------
  [InstCombine] Add rotate tests where the shift amount is zero extended after masking


  Commit: 6b2eb31e1e2db1f3ca7a5c4914ab08cb18698de7
      https://github.com/llvm/llvm-project/commit/6b2eb31e1e2db1f3ca7a5c4914ab08cb18698de7
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-10-26 (Mon, 26 Oct 2020)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
    M llvm/test/Transforms/InstCombine/rotate.ll

  Log Message:
  -----------
  [InstCombine] Add support for zext(and(neg(amt),width-1)) rotate shift amount patterns

Alive2: https://alive2.llvm.org/ce/z/bCvvHd


Compare: https://github.com/llvm/llvm-project/compare/5cad535ccfeb...6b2eb31e1e2d