Ignore DbgInfoIntrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63923 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index cbe507c..f625c13 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -42,6 +42,7 @@
 #define DEBUG_TYPE "loop-index-split"
 
 #include "llvm/Transforms/Scalar.h"
+#include "llvm/IntrinsicInst.h"
 #include "llvm/Analysis/LoopPass.h"
 #include "llvm/Analysis/ScalarEvolutionExpander.h"
 #include "llvm/Analysis/Dominators.h"
@@ -1104,7 +1105,8 @@
     Instruction *I = BI;
 
     if (isa<PHINode>(I) || I == Terminator || I == ExitCondition
-        || I == SplitCondition || IVBasedValues.count(I))
+        || I == SplitCondition || IVBasedValues.count(I) 
+        || isa<DbgInfoIntrinsic>(I))
       continue;
 
     if (I->mayWriteToMemory())