[all-commits] [llvm/llvm-project] 7e02da: [SystemZ] Add isCommutable flag on vector instruct...

[Jonas Paulsson via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 7e02da7db5a73001f505e6aea6d70e201afecd41
      https://github.com/llvm/llvm-project/commit/7e02da7db5a73001f505e6aea6d70e201afecd41
  Author: Jonas Paulsson <paulsson at linux.vnet.ibm.com>
  Date:   2020-04-02 (Thu, 02 Apr 2020)

  Changed paths:
    M llvm/lib/Target/SystemZ/SystemZInstrVector.td

  Log Message:
  -----------
  [SystemZ] Add isCommutable flag on vector instructions.

This does not change much in code generation, but in rare cases MachineCSE
can figure out that an instruction is redundant after commuting it.

Review: Ulrich Weigand