[all-commits] [llvm/llvm-project] 11f8d4: [InstCombine] add vector demanded elements tests w...

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  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 11f8d4aa104a6fbbf6811d78bd8977954ea59912
      https://github.com/llvm/llvm-project/commit/11f8d4aa104a6fbbf6811d78bd8977954ea59912
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2020-08-25 (Tue, 25 Aug 2020)

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

  Log Message:
  -----------
  [InstCombine] add vector demanded elements tests with shuffles; NFC

The 1st draft of D86460 (reverted) would show miscompiles with these tests
because the undef element tracking went wrong and became visible in the
shuffle masks.