Merge in fix for PR4910.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_26@82428 91177308-0d34-0410-b5e6-96231b3b80d8
tzlaine · Sep 21, 2009 · f2641fb · f2641fb
1 parent 66f1c6a
commit f2641fb
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -527,14 +527,15 @@ static void removeRange(LiveInterval &li, unsigned Start, unsigned End,
       if (!li_->hasInterval(*SR))
         continue;
       LiveInterval &sli = li_->getInterval(*SR);
+      unsigned RemoveStart = Start;
       unsigned RemoveEnd = Start;
       while (RemoveEnd != End) {
-        LiveInterval::iterator LR = sli.FindLiveRangeContaining(Start);
+        LiveInterval::iterator LR = sli.FindLiveRangeContaining(RemoveStart);
         if (LR == sli.end())
           break;
         RemoveEnd = (LR->end < End) ? LR->end : End;
-        sli.removeRange(Start, RemoveEnd, true);
-        Start = RemoveEnd;
+        sli.removeRange(RemoveStart, RemoveEnd, true);
+        RemoveStart = RemoveEnd;
       }
     }
   }