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

llvm-svn: 188447
diff --git a/clang/test/CodeGenCXX/global-block-literal-helpers.cpp b/clang/test/CodeGenCXX/global-block-literal-helpers.cpp
index 350ea54..762b5d9 100644
--- a/clang/test/CodeGenCXX/global-block-literal-helpers.cpp
+++ b/clang/test/CodeGenCXX/global-block-literal-helpers.cpp
@@ -5,23 +5,23 @@
   typedef void (^BL)();
   int func(BL, BL, BL);
 
-// CHECK: define internal void @_ZN1N8ArrBlockE_block_invoke(
-// CHECK: define internal void @_ZN1N8ArrBlockE_block_invoke_2(
-// CHECK: define internal void @_ZN1N8ArrBlockE_block_invoke_3
+// CHECK-LABEL: define internal void @_ZN1N8ArrBlockE_block_invoke(
+// CHECK-LABEL: define internal void @_ZN1N8ArrBlockE_block_invoke_2(
+// CHECK-LABEL: define internal void @_ZN1N8ArrBlockE_block_invoke_3
   BL ArrBlock [] = { ^{}, ^{}, ^{} };
 
-// CHECK: define internal void @_ZN1N4ivalE_block_invoke_4(
-// CHECK: define internal void @_ZN1N4ivalE_block_invoke_5(
-// CHECK: define internal void @_ZN1N4ivalE_block_invoke_6(
+// CHECK-LABEL: define internal void @_ZN1N4ivalE_block_invoke_4(
+// CHECK-LABEL: define internal void @_ZN1N4ivalE_block_invoke_5(
+// CHECK-LABEL: define internal void @_ZN1N4ivalE_block_invoke_6(
   int ival = func(^{}, ^{}, ^{});
 
-// CHECK: define internal void @_ZN1N9gvarlobalE_block_invoke_7(
+// CHECK-LABEL: define internal void @_ZN1N9gvarlobalE_block_invoke_7(
   void (^gvarlobal)(void) = ^{};
 
   struct S {
     BL field = ^{};
   };
 
-// CHECK: define internal void @_ZN1N3blfE_block_invoke_8(
+// CHECK-LABEL: define internal void @_ZN1N3blfE_block_invoke_8(
   S blf;
 };