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

llvm-svn: 188447
diff --git a/clang/test/CodeGenCXX/microsoft-abi-default-cc.cpp b/clang/test/CodeGenCXX/microsoft-abi-default-cc.cpp
index 7f2fc0a..d7fba99 100644
--- a/clang/test/CodeGenCXX/microsoft-abi-default-cc.cpp
+++ b/clang/test/CodeGenCXX/microsoft-abi-default-cc.cpp
@@ -12,13 +12,13 @@
 void foo();
 void __cdecl foo();
 void __cdecl foo() {}
-// GCABI: define void @_Z3foov()
+// GCABI-LABEL: define void @_Z3foov()
 // MSABI: define void @"\01?foo@@YAXXZ"
 
 void __cdecl bar();
 void bar();
 void bar() {}
-// GCABI: define void @_Z3barv()
+// GCABI-LABEL: define void @_Z3barv()
 // MSABI: define void @"\01?bar@@YAXXZ"
 
 // Test that it's OK to mark either the method declaration or method definition
@@ -33,15 +33,15 @@
 };
 
 void METHOD_CC A::baz() {}
-// GCABI: define void @_ZN1A3bazEv
+// GCABI-LABEL: define void @_ZN1A3bazEv
 // MSABI: define x86_thiscallcc void @"\01?baz@A@@QAEXXZ"
 void A::qux() {}
-// GCABI: define void @_ZN1A3quxEv
+// GCABI-LABEL: define void @_ZN1A3quxEv
 // MSABI: define x86_thiscallcc void @"\01?qux@A@@QAEXXZ"
 
 void __cdecl static_baz() {}
-// GCABI: define void @_Z10static_bazv
+// GCABI-LABEL: define void @_Z10static_bazv
 // MSABI: define void @"\01?static_baz@@YAXXZ"
 void static_qux() {}
-// GCABI: define void @_Z10static_quxv
+// GCABI-LABEL: define void @_Z10static_quxv
 // MSABI: define void @"\01?static_qux@@YAXXZ"