Disable IV rewriting by default. See PR10916.

llvm-svn: 139579
diff --git a/llvm/test/Transforms/LoopUnroll/scevunroll.ll b/llvm/test/Transforms/LoopUnroll/scevunroll.ll
index 9971f31..99b3a7d 100644
--- a/llvm/test/Transforms/LoopUnroll/scevunroll.ll
+++ b/llvm/test/Transforms/LoopUnroll/scevunroll.ll
@@ -67,7 +67,7 @@
 ; SCEV properly unrolls multi-exit loops.
 ;
 ; CHECK: @multiExit
-; CHECK: getelementptr i32* %base, i64 10
+; CHECK: getelementptr i32* %base, i32 10
 ; CHECK-NEXT: load i32*
 ; CHECK: br i1 false, label %l2.10, label %exit1
 ; CHECK: l2.10: