[all-commits] [llvm/llvm-project] 2d1fea: [InstCombine] Add vectors-with-undef tests for and...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 2d1fea29231f1998e7123b3a1ce177284ae41cec
      https://github.com/llvm/llvm-project/commit/2d1fea29231f1998e7123b3a1ce177284ae41cec
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-10-19 (Mon, 19 Oct 2020)

  Changed paths:
    M llvm/test/Transforms/InstCombine/and2.ll

  Log Message:
  -----------
  [InstCombine] Add vectors-with-undef tests for and(logicalshift(1,X),1) --> zext(X == 0)


  Commit: 0b7b446a406be2e7d28460d17de4746b47543691
      https://github.com/llvm/llvm-project/commit/0b7b446a406be2e7d28460d17de4746b47543691
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-10-19 (Mon, 19 Oct 2020)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
    M llvm/test/Transforms/InstCombine/and2.ll

  Log Message:
  -----------
  [InstCombine] Support vectors-with-undef in and(logicalshift(1,X),1) --> zext(X == 0) fold


Compare: https://github.com/llvm/llvm-project/compare/81b7e2141f18...0b7b446a406b