From 9d615d1e70f08a037870c330e99a226a6da0a912 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Fri, 2 Mar 2007 10:41:15 +0000
Subject: [PATCH] Dead live-in detection bug.

llvm-svn: 34843
---
 llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index a5907d6067e2..26d741f6898b 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -938,11 +938,11 @@ bool LiveIntervals::JoinCopy(MachineInstr *CopyMI,
   if (JoinIntervals(DestInt, SrcInt)) {
     if (isDead) {
       // Result of the copy is dead. Propagate this property.
-      if (SrcStart == 0 && MRegisterInfo::isPhysicalRegister(SrcReg)) {
+      if (SrcStart == 0 && MRegisterInfo::isPhysicalRegister(repSrcReg)) {
         // Live-in to the function but dead. Remove it from MBB live-in set.
         // JoinIntervals may end up swapping the two intervals.
         MachineBasicBlock *MBB = CopyMI->getParent();
-        MBB->removeLiveIn(SrcReg);
+        MBB->removeLiveIn(repSrcReg);
       } else {
         MachineInstr *SrcMI = getInstructionFromIndex(SrcStart);
         if (SrcMI) {