From 56cc5fdf0962e7789406ed17da35e056f8f2adf5 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Mon, 31 Jan 2011 21:38:14 +0000
Subject: Keep track of incoming argument's location while emitting LiveIns.

llvm-svn: 124611
---
 llvm/lib/CodeGen/MachineFunction.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/MachineFunction.cpp')

diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 9623627..8553240 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -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;
 }
 
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