diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp b/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp index 1162da8cdc7..cd57a628ea0 100644 --- a/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp @@ -167,6 +167,10 @@ bool AArch64RegisterInfo::isReservedReg(const MachineFunction &MF, return false; } +bool AArch64RegisterInfo::isConstantPhysReg(unsigned PhysReg) const { + return PhysReg == AArch64::WZR || PhysReg == AArch64::XZR; +} + const TargetRegisterClass * AArch64RegisterInfo::getPointerRegClass(const MachineFunction &MF, unsigned Kind) const { |
