[all-commits] [llvm/llvm-project] 66db6f: [X86] Add test cases for vXi16 PMULH opportunities...

[topperc via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 66db6f21292dec25487fd8d8d2c3f544950ade8e
      https://github.com/llvm/llvm-project/commit/66db6f21292dec25487fd8d8d2c3f544950ade8e
  Author: Craig Topper <craig.topper at gmail.com>
  Date:   2020-05-09 (Sat, 09 May 2020)

  Changed paths:
    M llvm/test/CodeGen/X86/pmulh.ll

  Log Message:
  -----------
  [X86] Add test cases for vXi16 PMULH opportunities that don't end in truncate.

We already have matching for extend+mul+shift+trunc. But we could
also match up to the shift without the truncate and just extend the
result. That would still be a savings.