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Keep track of incoming argument's location while emitting LiveIns.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124611 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2011-01-31 21:38:14 +00:00
parent 97f6d5b241
commit e9a7ea6865
13 changed files with 144 additions and 32 deletions
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4
lib/CodeGen/MachineFunction.cpp
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@ -396,7 +396,8 @@ void MachineFunction::viewCFGOnly() const
/// addLiveIn - Add the specified physical register as a live-in value and
/// create a corresponding virtual register for it.
unsigned MachineFunction::addLiveIn(unsigned PReg,
const TargetRegisterClass *RC) {
const TargetRegisterClass *RC,
DebugLoc DL) {
MachineRegisterInfo &MRI = getRegInfo();
unsigned VReg = MRI.getLiveInVirtReg(PReg);
if (VReg) {
@ -405,6 +406,7 @@ unsigned MachineFunction::addLiveIn(unsigned PReg,
}
VReg = MRI.createVirtualRegister(RC);
MRI.addLiveIn(PReg, VReg);
MRI.addLiveInLoc(VReg, DL);
return VReg;
}