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Fix incorect Register -> MCRegister conversion

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getReg returns a Register which may represent a virtual register.
This commit is contained in:
Fangrui Song 2020-10-08 21:38:17 -07:00
parent dd75275a41
commit ff30c5884e
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@ -93,7 +93,7 @@ bool TargetLowering::parametersInCSRMatch(const MachineRegisterInfo &MRI,
SDValue Value = OutVals[I];
if (Value->getOpcode() != ISD::CopyFromReg)
return false;
MCRegister ArgReg = cast<RegisterSDNode>(Value->getOperand(1))->getReg();
Register ArgReg = cast<RegisterSDNode>(Value->getOperand(1))->getReg();
if (MRI.getLiveInPhysReg(ArgReg) != Reg)
return false;
}