Keep track of incoming argument's location while emitting LiveIns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124611 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 9623627..8553240 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -396,7 +396,8 @@
/// 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 @@
}
VReg = MRI.createVirtualRegister(RC);
MRI.addLiveIn(PReg, VReg);
+ MRI.addLiveInLoc(VReg, DL);
return VReg;
}