[all-commits] [llvm/llvm-project] d90f7c: LiveRegUnits: Do not use phys_regs_and_masks

Matt Arsenault via All-commits all-commits at lists.llvm.org
Mon Sep 12 14:21:42 PDT 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d90f7cb559e32c2cbf1f9839d7e8e0cc0be189ba
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2022-09-12 (Mon, 12 Sep 2022)

  Changed paths:
    M llvm/lib/CodeGen/LiveRegUnits.cpp

  Log Message:
  LiveRegUnits: Do not use phys_regs_and_masks

Somehow DeadMachineInstructionElim is about 3x slower when using it.
Hopefully this reverses the compile time regression reported for

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