clang/test/SemaCXX/attr-optnone.cpp

   1 // RUN: %clang_cc1 -std=c++11 -fms-compatibility -fsyntax-only -verify %s
   2
   3 int foo() __attribute__((optnone));
   4 int bar() __attribute__((optnone)) __attribute__((noinline));
   5
   6 int baz() __attribute__((always_inline)) __attribute__((optnone)); // expected-warning{{'always_inline' attribute ignored}} expected-note{{conflicting attribute is here}}
   7 int quz() __attribute__((optnone)) __attribute__((always_inline)); // expected-warning{{'always_inline' attribute ignored}} expected-note{{conflicting attribute is here}}
   8
   9 __attribute__((always_inline)) int baz1(); // expected-warning{{'always_inline' attribute ignored}}
  10 __attribute__((optnone)) int baz1() { return 1; } // expected-note{{conflicting attribute is here}}
  11
  12 __attribute__((optnone)) int quz1(); // expected-note{{conflicting attribute is here}}
  13 __attribute__((always_inline)) int quz1() { return 1; } // expected-warning{{'always_inline' attribute ignored}}
  14
  15 int bay() __attribute__((minsize)) __attribute__((optnone)); // expected-warning{{'minsize' attribute ignored}} expected-note{{conflicting}}
  16 int quy() __attribute__((optnone)) __attribute__((minsize)); // expected-warning{{'minsize' attribute ignored}} expected-note{{conflicting}}
  17
  18 __attribute__((minsize)) int bay1(); // expected-warning{{'minsize' attribute ignored}}
  19 __attribute__((optnone)) int bay1() { return 1; } // expected-note{{conflicting attribute is here}}
  20
  21 __attribute__((optnone)) int quy1(); // expected-note{{conflicting attribute is here}}
  22 __attribute__((minsize)) int quy1() { return 1; } // expected-warning{{'minsize' attribute ignored}}
  23
  24 __attribute__((always_inline)) // expected-warning{{'always_inline' attribute ignored}}
  25   __attribute__((minsize)) // expected-warning{{'minsize' attribute ignored}}
  26 void bay2();
  27 __attribute__((optnone)) // expected-note 2 {{conflicting}}
  28 void bay2() {}
  29
  30 __forceinline __attribute__((optnone)) int bax(); // expected-warning{{'__forceinline' attribute ignored}} expected-note{{conflicting}}
  31 __attribute__((optnone)) __forceinline int qux(); // expected-warning{{'__forceinline' attribute ignored}} expected-note{{conflicting}}
  32
  33 __forceinline int bax2(); // expected-warning{{'__forceinline' attribute ignored}}
  34 __attribute__((optnone)) int bax2() { return 1; } // expected-note{{conflicting}}
  35 __attribute__((optnone)) int qux2(); // expected-note{{conflicting}}
  36 __forceinline int qux2() { return 1; } // expected-warning{{'__forceinline' attribute ignored}}
  37
  38 int globalVar __attribute__((optnone)); // expected-warning{{'optnone' attribute only applies to functions}}
  39
  40 int fubar(int __attribute__((optnone)), int); // expected-warning{{'optnone' attribute only applies to functions}}
  41
  42 struct A {
  43   int aField __attribute__((optnone));  // expected-warning{{'optnone' attribute only applies to functions}}
  44 };
  45
  46 struct B {
  47   void foo() __attribute__((optnone));
  48   static void bar() __attribute__((optnone));
  49 };
  50
  51 // Verify that we can specify the [[clang::optnone]] syntax as well.
  52
  53 [[clang::optnone]]
  54 int foo2();
  55 [[clang::optnone]]
  56 int bar2() __attribute__((noinline));
  57
  58 [[clang::optnone]] // expected-note {{conflicting}}
  59 int baz2() __attribute__((always_inline)); // expected-warning{{'always_inline' attribute ignored}}
  60
  61 [[clang::optnone]] int globalVar2; //expected-warning{{'optnone' attribute only applies to functions}}
  62
  63 struct A2 {
  64   [[clang::optnone]] int aField; // expected-warning{{'optnone' attribute only applies to functions}}
  65 };
  66
  67 struct B2 {
  68   [[clang::optnone]]
  69   void foo();
  70   [[clang::optnone]]
  71   static void bar();
  72 };
  73
  74 // Verify that we can handle the [[_Clang::optnone]] and
  75 // [[__clang__::optnone]] spellings, as well as [[clang::__optnone__]].
  76 [[_Clang::optnone]] int foo3();
  77 [[__clang__::optnone]] int foo4(); // expected-warning {{'__clang__' is a predefined macro name, not an attribute scope specifier; did you mean '_Clang' instead?}}
  78 [[clang::__optnone__]] int foo5();
  79 [[_Clang::__optnone__]] int foo6();
  80
  81 [[_Clang::optnone]] int foo7; // expected-warning {{'optnone' attribute only applies to functions}}