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

llvm-svn: 188447
diff --git a/clang/test/CodeGenCXX/instantiate-temporaries.cpp b/clang/test/CodeGenCXX/instantiate-temporaries.cpp
index 29cfc07..c08ea78 100644
--- a/clang/test/CodeGenCXX/instantiate-temporaries.cpp
+++ b/clang/test/CodeGenCXX/instantiate-temporaries.cpp
@@ -18,7 +18,7 @@
   Y().get();
 }
 
-// CHECK: define weak_odr void @_Z4callIiEvv
+// CHECK-LABEL: define weak_odr void @_Z4callIiEvv
 // CHECK: call void @_ZN1Y3getEv
 // CHECK-NEXT: call void @_ZN1XD1Ev
 // CHECK-NEXT: ret void
@@ -29,7 +29,7 @@
   (X2){};
 }
 
-// CHECK: define weak_odr void @_Z16compound_literalIiEvv
+// CHECK-LABEL: define weak_odr void @_Z16compound_literalIiEvv
 // CHECK: call void @_ZN1XC1Ev
 // CHECK-NEXT: call void @_ZN2X2D1Ev
 // CHECK-NEXT: ret void