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Use COPY in targets

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llvm-svn: 108063
This commit is contained in:
Jakob Stoklund Olesen 2010-07-10 22:43:03 +00:00
parent f0d1bf23eb
commit b1c6191d3b
3 changed files with 8 additions and 22 deletions
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14
lib/Target/Alpha/AlphaInstrInfo.cpp
View File

@ -427,11 +427,8 @@ unsigned AlphaInstrInfo::getGlobalBaseReg(MachineFunction *MF) const {
const TargetInstrInfo *TII = MF->getTarget().getInstrInfo();
GlobalBaseReg = RegInfo.createVirtualRegister(&Alpha::GPRCRegClass);
bool Ok = TII->copyRegToReg(FirstMBB, MBBI, GlobalBaseReg, Alpha::R29,
&Alpha::GPRCRegClass, &Alpha::GPRCRegClass,
DebugLoc());
assert(Ok && "Couldn't assign to global base register!");
Ok = Ok; // Silence warning when assertions are turned off.
BuildMI(FirstMBB, MBBI, DebugLoc(), TII->get(TargetOpcode::COPY),
GlobalBaseReg).addReg(Alpha::R29);
RegInfo.addLiveIn(Alpha::R29);
AlphaFI->setGlobalBaseReg(GlobalBaseReg);
@ -455,11 +452,8 @@ unsigned AlphaInstrInfo::getGlobalRetAddr(MachineFunction *MF) const {
const TargetInstrInfo *TII = MF->getTarget().getInstrInfo();
GlobalRetAddr = RegInfo.createVirtualRegister(&Alpha::GPRCRegClass);
bool Ok = TII->copyRegToReg(FirstMBB, MBBI, GlobalRetAddr, Alpha::R26,
&Alpha::GPRCRegClass, &Alpha::GPRCRegClass,
DebugLoc());
assert(Ok && "Couldn't assign to global return address register!");
Ok = Ok; // Silence warning when assertions are turned off.
BuildMI(FirstMBB, MBBI, DebugLoc(), TII->get(TargetOpcode::COPY),
GlobalRetAddr).addReg(Alpha::R26);
RegInfo.addLiveIn(Alpha::R26);
AlphaFI->setGlobalRetAddr(GlobalRetAddr);

8
lib/Target/MBlaze/MBlazeInstrInfo.cpp
View File

@ -210,12 +210,8 @@ unsigned MBlazeInstrInfo::getGlobalBaseReg(MachineFunction *MF) const {
const TargetInstrInfo *TII = MF->getTarget().getInstrInfo();
GlobalBaseReg = RegInfo.createVirtualRegister(MBlaze::CPURegsRegisterClass);
bool Ok = TII->copyRegToReg(FirstMBB, MBBI, GlobalBaseReg, MBlaze::R20,
MBlaze::CPURegsRegisterClass,
MBlaze::CPURegsRegisterClass,
DebugLoc());
assert(Ok && "Couldn't assign to global base register!");
Ok = Ok; // Silence warning when assertions are turned off.
BuildMI(FirstMBB, MBBI, DebugLoc(), TII->get(TargetOpcode::COPY),
GlobalBaseReg).addReg(MBlaze::R20);
RegInfo.addLiveIn(MBlaze::R20);
MBlazeFI->setGlobalBaseReg(GlobalBaseReg);

8
lib/Target/Mips/MipsInstrInfo.cpp
View File

@ -620,12 +620,8 @@ unsigned MipsInstrInfo::getGlobalBaseReg(MachineFunction *MF) const {
const TargetInstrInfo *TII = MF->getTarget().getInstrInfo();
GlobalBaseReg = RegInfo.createVirtualRegister(Mips::CPURegsRegisterClass);
bool Ok = TII->copyRegToReg(FirstMBB, MBBI, GlobalBaseReg, Mips::GP,
Mips::CPURegsRegisterClass,
Mips::CPURegsRegisterClass,
DebugLoc());
assert(Ok && "Couldn't assign to global base register!");
Ok = Ok; // Silence warning when assertions are turned off.
BuildMI(FirstMBB, MBBI, DebugLoc(), TII->get(TargetOpcode::COPY),
GlobalBaseReg).addReg(Mips::GP);
RegInfo.addLiveIn(Mips::GP);
MipsFI->setGlobalBaseReg(GlobalBaseReg);