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

llvm-svn: 188447
diff --git a/clang/test/CodeGenObjC/bitfield-access.m b/clang/test/CodeGenObjC/bitfield-access.m
index 597fe35..2b8039d 100644
--- a/clang/test/CodeGenObjC/bitfield-access.m
+++ b/clang/test/CodeGenObjC/bitfield-access.m
@@ -14,7 +14,7 @@
 // Check that we don't try to use an i32 load here, which would reach beyond the
 // end of the structure.
 //
-// CHECK-I386: define i32 @f0(
+// CHECK-I386-LABEL: define i32 @f0(
 // CHECK-I386:   [[t0_0:%.*]] = load i8* {{.*}}, align 1
 // CHECK-I386:   lshr i8 [[t0_0]], 7
 // CHECK-I386: }
@@ -24,7 +24,7 @@
 
 // Check that we can handled straddled loads.
 //
-// CHECK-ARM: define i32 @f1(
+// CHECK-ARM-LABEL: define i32 @f1(
 // CHECK-ARM:    [[t1_ptr:%.*]] = getelementptr
 // CHECK-ARM:    [[t1_base:%.*]] = bitcast i8* [[t1_ptr]] to i40*
 // CHECK-ARM:    [[t1_0:%.*]] = load i40* [[t1_base]], align 1