clang/test/SemaCXX/attr-optnone.cpp

// RUN: %clang_cc1 -std=c++11 -fms-compatibility -fsyntax-only -verify %s

int foo() __attribute__((optnone));
int bar() __attribute__((optnone)) __attribute__((noinline));

int baz() __attribute__((always_inline)) __attribute__((optnone)); // expected-error{{'always_inline' and 'optnone' attributes are not compatible}}
int quz() __attribute__((optnone)) __attribute__((always_inline)); // expected-error{{'optnone' and 'always_inline' attributes are not compatible}}

__forceinline __attribute__((optnone)) int bax(); // expected-error{{'__forceinline' and 'optnone' attributes are not compatible}}
__attribute__((optnone)) __forceinline int qux(); // expected-error{{'optnone' and '__forceinline' attributes are not compatible}}

int globalVar __attribute__((optnone)); // expected-warning{{'optnone' attribute only applies to functions}}

int fubar(int __attribute__((optnone)), int); // expected-warning{{'optnone' attribute only applies to functions}}

struct A {
  int aField __attribute__((optnone));  // expected-warning{{'optnone' attribute only applies to functions}}
};

struct B {
  void foo() __attribute__((optnone));
  static void bar() __attribute__((optnone));
};

// Verify that we can specify the [[clang::optnone]] syntax as well.

[[clang::optnone]]
int foo2();
[[clang::optnone]]
int bar2() __attribute__((noinline));

[[clang::optnone]]
int baz2() __attribute__((always_inline)); // expected-error{{'always_inline' and 'optnone' attributes are not compatible}}

[[clang::optnone]] int globalVar2; //expected-warning{{'optnone' attribute only applies to functions}}

struct A2 {
  [[clang::optnone]] int aField; // expected-warning{{'optnone' attribute only applies to functions}}
};

struct B2 {
  [[clang::optnone]]
  void foo();
  [[clang::optnone]]
  static void bar();
};