diff options
| -rw-r--r-- | lib/Target/PowerPC/PPC32ISelSimple.cpp | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/lib/Target/PowerPC/PPC32ISelSimple.cpp b/lib/Target/PowerPC/PPC32ISelSimple.cpp index 4a318b259b..e137839a26 100644 --- a/lib/Target/PowerPC/PPC32ISelSimple.cpp +++ b/lib/Target/PowerPC/PPC32ISelSimple.cpp @@ -729,7 +729,8 @@ void PPC32ISel::LoadArgumentsToVirtualRegs(Function &Fn) { MachineFrameInfo *MFI = F->getFrameInfo(); - for (Function::arg_iterator I = Fn.arg_begin(), E = Fn.arg_end(); I != E; ++I) { + for (Function::arg_iterator I = Fn.arg_begin(), E = Fn.arg_end(); + I != E; ++I) { bool ArgLive = !I->use_empty(); unsigned Reg = ArgLive ? getReg(*I) : 0; int FI; // Frame object index @@ -739,7 +740,7 @@ void PPC32ISel::LoadArgumentsToVirtualRegs(Function &Fn) { if (ArgLive) { FI = MFI->CreateFixedObject(4, ArgOffset); if (GPR_remaining > 0) { - BuildMI(BB, PPC::IMPLICIT_DEF, 0, GPR[GPR_idx]); + F->addLiveIn(GPR[GPR_idx]); BuildMI(BB, PPC::OR, 2, Reg).addReg(GPR[GPR_idx]) .addReg(GPR[GPR_idx]); } else { @@ -751,7 +752,7 @@ void PPC32ISel::LoadArgumentsToVirtualRegs(Function &Fn) { if (ArgLive) { FI = MFI->CreateFixedObject(4, ArgOffset); if (GPR_remaining > 0) { - BuildMI(BB, PPC::IMPLICIT_DEF, 0, GPR[GPR_idx]); + F->addLiveIn(GPR[GPR_idx]); BuildMI(BB, PPC::OR, 2, Reg).addReg(GPR[GPR_idx]) .addReg(GPR[GPR_idx]); } else { @@ -763,7 +764,7 @@ void PPC32ISel::LoadArgumentsToVirtualRegs(Function &Fn) { if (ArgLive) { FI = MFI->CreateFixedObject(4, ArgOffset); if (GPR_remaining > 0) { - BuildMI(BB, PPC::IMPLICIT_DEF, 0, GPR[GPR_idx]); + F->addLiveIn(GPR[GPR_idx]); BuildMI(BB, PPC::OR, 2, Reg).addReg(GPR[GPR_idx]) .addReg(GPR[GPR_idx]); } else { @@ -775,8 +776,8 @@ void PPC32ISel::LoadArgumentsToVirtualRegs(Function &Fn) { if (ArgLive) { FI = MFI->CreateFixedObject(8, ArgOffset); if (GPR_remaining > 1) { - BuildMI(BB, PPC::IMPLICIT_DEF, 0, GPR[GPR_idx]); - BuildMI(BB, PPC::IMPLICIT_DEF, 0, GPR[GPR_idx+1]); + F->addLiveIn(GPR[GPR_idx]); + F->addLiveIn(GPR[GPR_idx+1]); BuildMI(BB, PPC::OR, 2, Reg).addReg(GPR[GPR_idx]) .addReg(GPR[GPR_idx]); BuildMI(BB, PPC::OR, 2, Reg+1).addReg(GPR[GPR_idx+1]) @@ -798,7 +799,7 @@ void PPC32ISel::LoadArgumentsToVirtualRegs(Function &Fn) { FI = MFI->CreateFixedObject(4, ArgOffset); if (FPR_remaining > 0) { - BuildMI(BB, PPC::IMPLICIT_DEF, 0, FPR[FPR_idx]); + F->addLiveIn(FPR[FPR_idx]); BuildMI(BB, PPC::FMR, 1, Reg).addReg(FPR[FPR_idx]); FPR_remaining--; FPR_idx++; @@ -812,7 +813,7 @@ void PPC32ISel::LoadArgumentsToVirtualRegs(Function &Fn) { FI = MFI->CreateFixedObject(8, ArgOffset); if (FPR_remaining > 0) { - BuildMI(BB, PPC::IMPLICIT_DEF, 0, FPR[FPR_idx]); + F->addLiveIn(FPR[FPR_idx]); BuildMI(BB, PPC::FMR, 1, Reg).addReg(FPR[FPR_idx]); FPR_remaining--; FPR_idx++; @@ -843,6 +844,23 @@ void PPC32ISel::LoadArgumentsToVirtualRegs(Function &Fn) { // llvm.va_start. if (Fn.getFunctionType()->isVarArg()) VarArgsFrameIndex = MFI->CreateFixedObject(4, ArgOffset); + + if (Fn.getReturnType() != Type::VoidTy) + switch (getClassB(Fn.getReturnType())) { + case cByte: + case cShort: + case cInt: + F->addLiveOut(PPC::R3); + break; + case cLong: + F->addLiveOut(PPC::R3); + F->addLiveOut(PPC::R4); + break; + case cFP32: + case cFP64: + F->addLiveOut(PPC::F1); + break; + } } |