diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineRegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineRegisterInfo.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineRegisterInfo.cpp b/llvm/lib/CodeGen/MachineRegisterInfo.cpp index e9612f3cfde..c2fc4a7de46 100644 --- a/llvm/lib/CodeGen/MachineRegisterInfo.cpp +++ b/llvm/lib/CodeGen/MachineRegisterInfo.cpp @@ -391,6 +391,14 @@ MachineRegisterInfo::EmitLiveInCopies(MachineBasicBlock *EntryMBB, } } +unsigned MachineRegisterInfo::getMaxLaneMaskForVReg(unsigned Reg) const +{ + // Lane masks are only defined for vregs. + assert(TargetRegisterInfo::isVirtualRegister(Reg)); + const TargetRegisterClass &TRC = *getRegClass(Reg); + return TRC.getLaneMask(); +} + #ifndef NDEBUG void MachineRegisterInfo::dumpUses(unsigned Reg) const { for (MachineInstr &I : use_instructions(Reg)) |
