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

llvm-svn: 188447
diff --git a/clang/test/CodeGenCXX/pragma-visibility.cpp b/clang/test/CodeGenCXX/pragma-visibility.cpp
index 0640d42..c0ba904 100644
--- a/clang/test/CodeGenCXX/pragma-visibility.cpp
+++ b/clang/test/CodeGenCXX/pragma-visibility.cpp
@@ -28,8 +28,8 @@
 template<int x> int f() { return x; }
 extern "C" int g() { return f<3>(); }
 #pragma GCC visibility pop
-// CHECK: define hidden i32 @g()
-// CHECK: define linkonce_odr hidden i32 @_Z1fILi3EEiv()
+// CHECK-LABEL: define hidden i32 @g()
+// CHECK-LABEL: define linkonce_odr hidden i32 @_Z1fILi3EEiv()
 
 #pragma GCC visibility push(hidden)
 template<class T> struct x5 {
@@ -37,19 +37,19 @@
 };
 #pragma GCC visibility pop
 template<> void x5<int>::y() {}
-// CHECK: define hidden void @_ZN2x5IiE1yEv
+// CHECK-LABEL: define hidden void @_ZN2x5IiE1yEv
 
 #pragma GCC visibility push(hidden)
 namespace n __attribute((visibility("default"))) {
   void f() {}
-  // CHECK: define void @_ZN1n1fEv
+  // CHECK-LABEL: define void @_ZN1n1fEv
 }
 #pragma GCC visibility pop
 
 namespace n __attribute((visibility("default")))  {
 #pragma GCC visibility push(hidden)
   void g() {}
-  // CHECK: define hidden void @_ZN1n1gEv
+  // CHECK-LABEL: define hidden void @_ZN1n1gEv
 #pragma GCC visibility pop
 }
 
@@ -69,6 +69,6 @@
     bar<foo>::f();
     bar<int>::f();
   }
-  // CHECK: define linkonce_odr hidden void @_ZN5test23barINS_3fooEE1fEv
-  // CHECK: define linkonce_odr void @_ZN5test23barIiE1fEv
+  // CHECK-LABEL: define linkonce_odr hidden void @_ZN5test23barINS_3fooEE1fEv
+  // CHECK-LABEL: define linkonce_odr void @_ZN5test23barIiE1fEv
 }