diff options
Diffstat (limited to 'lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | lib/CodeGen/MachineInstr.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp index 59b0e654a7..2dfb299843 100644 --- a/lib/CodeGen/MachineInstr.cpp +++ b/lib/CodeGen/MachineInstr.cpp @@ -1538,12 +1538,14 @@ void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM) const { const MachineRegisterInfo &MRI = MF->getRegInfo(); if (MRI.use_empty(Reg) && !MRI.isLiveOut(Reg)) { bool HasAliasLive = false; - for (const uint16_t *Alias = TM->getRegisterInfo()->getAliasSet(Reg); - unsigned AliasReg = *Alias; ++Alias) + for (MCRegAliasIterator AI(Reg, TM->getRegisterInfo(), true); + AI.isValid(); ++AI) { + unsigned AliasReg = *AI; if (!MRI.use_empty(AliasReg) || MRI.isLiveOut(AliasReg)) { HasAliasLive = true; break; } + } if (!HasAliasLive) { OmittedAnyCallClobbers = true; continue; @@ -1675,7 +1677,8 @@ bool MachineInstr::addRegisterKilled(unsigned IncomingReg, const TargetRegisterInfo *RegInfo, bool AddIfNotFound) { bool isPhysReg = TargetRegisterInfo::isPhysicalRegister(IncomingReg); - bool hasAliases = isPhysReg && RegInfo->getAliasSet(IncomingReg); + bool hasAliases = isPhysReg && + MCRegAliasIterator(IncomingReg, RegInfo, false).isValid(); bool Found = false; SmallVector<unsigned,4> DeadOps; for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { @@ -1747,7 +1750,8 @@ bool MachineInstr::addRegisterDead(unsigned IncomingReg, const TargetRegisterInfo *RegInfo, bool AddIfNotFound) { bool isPhysReg = TargetRegisterInfo::isPhysicalRegister(IncomingReg); - bool hasAliases = isPhysReg && RegInfo->getAliasSet(IncomingReg); + bool hasAliases = isPhysReg && + MCRegAliasIterator(IncomingReg, RegInfo, false).isValid(); bool Found = false; SmallVector<unsigned,4> DeadOps; for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { |