[Clang] Refactor test case

Author: moorabbit

clang/test/Sema/builtin-stackaddress-target-support.c

@@ -1,16 +1,10 @@
-// RUN: %clang_cc1 -verify %s -triple x86_64-unknown-unknown -DTEST_x64
-// RUN: %clang_cc1 -verify %s -triple i386-unknown-unknown -DTEST_x86
-// RUN: %clang_cc1 -verify %s -triple riscv32-unknown-unknown -DTEST_riscv32
-// RUN: %clang_cc1 -verify %s -triple riscv64-unknown-unknown -DTEST_riscv64
-// RUN: %clang_cc1 -verify %s -triple aarch64-unknown-unknown -DTEST_aarch64
+// RUN: %clang_cc1 -verify=x86 %s -triple x86_64-unknown-unknown
+// RUN: %clang_cc1 -verify=x86 %s -triple i386-unknown-unknown
+// RUN: %clang_cc1 -verify %s -triple riscv32-unknown-unknown
+// RUN: %clang_cc1 -verify %s -triple riscv64-unknown-unknown
+// RUN: %clang_cc1 -verify %s -triple aarch64-unknown-unknown
 
-#if defined(TEST_x64) || defined(TEST_x86)
-// expected-no-diagnostics
-void *a() {
-return __builtin_stack_address();
-}
-#else
 void *a() {
 return __builtin_stack_address(); // expected-error {{builtin is not supported on this target}}
+                                  // x86-no-diagnostics
 }
-#endif