CHECK-LABEL-ify some code gen tests to improve diagnostic experience when tests fail.

llvm-svn: 188447
diff --git a/clang/test/CodeGenCXX/conditional-temporaries.cpp b/clang/test/CodeGenCXX/conditional-temporaries.cpp
index d538287..a3cc2fe 100644
--- a/clang/test/CodeGenCXX/conditional-temporaries.cpp
+++ b/clang/test/CodeGenCXX/conditional-temporaries.cpp
@@ -36,19 +36,19 @@
 
 }
 
-// CHECK: define i32 @_Z12getCtorCallsv()
+// CHECK-LABEL: define i32 @_Z12getCtorCallsv()
 int getCtorCalls() {
   // CHECK: ret i32 5
   return ctorcalls;
 }
 
-// CHECK: define i32 @_Z12getDtorCallsv()
+// CHECK-LABEL: define i32 @_Z12getDtorCallsv()
 int getDtorCalls() {
   // CHECK: ret i32 5
   return dtorcalls;
 }
 
-// CHECK: define zeroext i1 @_Z7successv()
+// CHECK-LABEL: define zeroext i1 @_Z7successv()
 bool success() {
   // CHECK: ret i1 true
   return ctorcalls == dtorcalls;