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SRetReturnReg was set in LowerFormalArguments(). So only assert it here.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104691 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zhongxing Xu 2010-05-26 08:10:02 +00:00
parent e614e393c7
commit c2798a18a7
1 changed files with 2 additions and 4 deletions
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6
lib/Target/X86/X86ISelLowering.cpp
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@ -1259,10 +1259,8 @@ X86TargetLowering::LowerReturn(SDValue Chain,
MachineFunction &MF = DAG.getMachineFunction();
X86MachineFunctionInfo *FuncInfo = MF.getInfo<X86MachineFunctionInfo>();
unsigned Reg = FuncInfo->getSRetReturnReg();
if (!Reg) {
Reg = MRI.createVirtualRegister(getRegClassFor(MVT::i64));
FuncInfo->setSRetReturnReg(Reg);
}
assert(Reg &&
"SRetReturnReg should have been set in LowerFormalArguments().");
SDValue Val = DAG.getCopyFromReg(Chain, dl, Reg, getPointerTy());
Chain = DAG.getCopyToReg(Chain, dl, X86::RAX, Val, Flag);