From a2f767b1a7ed6aa4edd6dcf65b68bf3a4ed3901e Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Wed, 10 Mar 2010 15:06:26 +0000
Subject: [PATCH] Fix a bug in DEBUG_VALUE handling Devang ran into. I'll get
 this loop right yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98155 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/LiveIntervalAnalysis.cpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index ccda66f0054..f8b17074595 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -593,13 +593,10 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB,
 
   MachineBasicBlock::iterator E = MBB->end();  
   while (mi != E) {
-    if (mi->isDebugValue()) {
+    while (mi != E && mi->isDebugValue())
       ++mi;
-      if (mi != E && !mi->isDebugValue()) {
-        baseIndex = indexes_->getNextNonNullIndex(baseIndex);
-      }
-      continue;
-    }
+    if (mi == E)
+      break;
     if (mi->killsRegister(interval.reg, tri_)) {
       DEBUG(dbgs() << " killed");
       end = baseIndex.getDefIndex();
-- 
2.34.1