[all-commits] [llvm/llvm-project] 85a6dd: [MIPS] Expose the ZERO register as a constant phys...

[weiguozhi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 85a6dd50adb22207a67619ff4fedcc4f48d021cb
      https://github.com/llvm/llvm-project/commit/85a6dd50adb22207a67619ff4fedcc4f48d021cb
  Author: Guozhi Wei <carrot at google.com>
  Date:   2022-08-02 (Tue, 02 Aug 2022)

  Changed paths:
    M llvm/lib/Target/Mips/MipsRegisterInfo.cpp
    M llvm/lib/Target/Mips/MipsRegisterInfo.h

  Log Message:
  -----------
  [MIPS] Expose the ZERO register as a constant physical register

The ZERO register should be exposed as a constant physical register through the interface TargetRegisterInfo::isConstantPhysReg.

Differential Revision: https://reviews.llvm.org/D130932