Use WriteAsOperand instead of getName() to print loop header names,
so that unnamed blocks are handled.

llvm-svn: 93059
diff --git a/llvm/test/Transforms/IndVarSimplify/shrunk-constant.ll b/llvm/test/Transforms/IndVarSimplify/shrunk-constant.ll
index 623c528..8003fd3 100644
--- a/llvm/test/Transforms/IndVarSimplify/shrunk-constant.ll
+++ b/llvm/test/Transforms/IndVarSimplify/shrunk-constant.ll
@@ -1,5 +1,5 @@
 ; RUN: opt < %s -scalar-evolution -analyze -disable-output \
-; RUN:  | grep {\\-->  (zext i4 {-7,+,-8}<loop> to i32)}
+; RUN:  | grep {\\-->  (zext i4 {-7,+,-8}<%loop> to i32)}
 
 define fastcc void @foo() nounwind {
 entry: