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

llvm-svn: 188447
diff --git a/clang/test/CodeGenCXX/runtimecc.cpp b/clang/test/CodeGenCXX/runtimecc.cpp
index 66d3f41..646c61e 100644
--- a/clang/test/CodeGenCXX/runtimecc.cpp
+++ b/clang/test/CodeGenCXX/runtimecc.cpp
@@ -20,7 +20,7 @@
   };
 
   A global;
-// CHECK:    define internal arm_aapcscc void @__cxx_global_var_init()
+// CHECK-LABEL:    define internal arm_aapcscc void @__cxx_global_var_init()
 // CHECK:      call arm_aapcscc [[A]]* @_ZN5test01AC1Ev([[A]]* @_ZN5test06globalE)
 // CHECK-NEXT: call arm_aapcscc i32 @__cxa_atexit(void (i8*)* bitcast ([[A]]* ([[A]]*)* @_ZN5test01AD1Ev to void (i8*)*), i8* bitcast ([[A]]* @_ZN5test06globalE to i8*), i8* @__dso_handle) [[NOUNWIND:#[0-9]+]]
 // CHECK-NEXT: ret void
@@ -33,7 +33,7 @@
     throw 0;
   }
 
-// CHECK:    define arm_aapcscc void @_ZN5test14testEv()
+// CHECK-LABEL:    define arm_aapcscc void @_ZN5test14testEv()
 // CHECK:      [[T0:%.*]] = call arm_aapcscc i8* @__cxa_allocate_exception(i32 4) [[NOUNWIND]]
 // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to i32*
 // CHECK-NEXT: store i32 0, i32* [[T1]]
@@ -45,7 +45,7 @@
 
 // CHECK: declare arm_aapcscc void @__cxa_throw(i8*, i8*, i8*)
 
-// CHECK: define internal arm_aapcscc void @_GLOBAL__I_a()
+// CHECK-LABEL: define internal arm_aapcscc void @_GLOBAL__I_a()
 // CHECK:   call arm_aapcscc void @__cxx_global_var_init()