[all-commits] [llvm/llvm-project] ba6571: [RISCV] Avoid redundant SchedRead on _TIED VPseudo...

[Min-Yih Hsu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ba65710908137fe68e7c039f1e2829c3d37480f3
      https://github.com/llvm/llvm-project/commit/ba65710908137fe68e7c039f1e2829c3d37480f3
  Author: Min-Yih Hsu <min.hsu at sifive.com>
  Date:   2024-10-29 (Tue, 29 Oct 2024)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVInstrInfoV.td

  Log Message:
  -----------
  [RISCV] Avoid redundant SchedRead on _TIED VPseudos (#113940)

_TIED and _MASK_TIED pseudos have one less operand compared to other
pseudos, thus we shouldn't attach the same number of SchedRead for these
instructions.

I don't think we have a way to (explicitly) check scheduling classes. So
I only test this patch with existing tests.



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