1 // RUN: %clang_cc1 %s -fsyntax-only -triple i386-unknown-unknown -verify
2 // RUN: %clang_cc1 %s -fsyntax-only -triple i386-unknown-unknown -fms-compatibility -DWIN -verify
3 
foo(float * a)4 void __attribute__((fastcall)) foo(float *a) {
5 }
6 
bar(float * a)7 void __attribute__((stdcall)) bar(float *a) {
8 }
9 
baz(float * a)10 void __attribute__((fastcall(1))) baz(float *a) { // expected-error {{'fastcall' attribute takes no arguments}}
11 }
12 
test0()13 void __attribute__((fastcall)) test0() {
14 }
15 
test1(void)16 void __attribute__((fastcall)) test1(void) {
17 }
18 
test2(int a,...)19 void __attribute__((fastcall)) test2(int a, ...) { // expected-warning {{fastcall calling convention is not supported on variadic function}}
20 }
test3(int a,...)21 void __attribute__((stdcall)) test3(int a, ...) { // expected-warning {{stdcall calling convention is not supported on variadic function}}
22 }
test4(int a,...)23 void __attribute__((thiscall)) test4(int a, ...) { // expected-error {{variadic function cannot use thiscall calling convention}}
24 }
25 
ctest0()26 void __attribute__((cdecl)) ctest0() {}
27 
ctest1(float x)28 void __attribute__((cdecl(1))) ctest1(float x) {} // expected-error {{'cdecl' attribute takes no arguments}}
29 
30 void (__attribute__((fastcall)) *pfoo)(float*) = foo;
31 
32 void (__attribute__((stdcall)) *pbar)(float*) = bar;
33 
34 void (__attribute__((cdecl)) *ptest1)(void) = test1; // expected-warning {{incompatible function pointer types}}
35 
36 void (*pctest0)() = ctest0;
37 
ctest2()38 void ctest2() {}
39 void (__attribute__((cdecl)) *pctest2)() = ctest2;
40 
41 typedef void (__attribute__((fastcall)) *Handler) (float *);
42 Handler H = foo;
43 
44 int __attribute__((pcs("aapcs", "aapcs"))) pcs1(void); // expected-error {{'pcs' attribute takes one argument}}
45 int __attribute__((pcs())) pcs2(void); // expected-error {{'pcs' attribute takes one argument}}
46 int __attribute__((pcs(pcs1))) pcs3(void); // expected-error {{'pcs' attribute requires a string}} \
47                                            // expected-error {{invalid PCS type}}
48 int __attribute__((pcs(0))) pcs4(void); // expected-error {{'pcs' attribute requires a string}}
49 /* These are ignored because the target is i386 and not ARM */
50 int __attribute__((pcs("aapcs"))) pcs5(void); // expected-warning {{'pcs' calling convention is not supported for this target}}
51 int __attribute__((pcs("aapcs-vfp"))) pcs6(void); // expected-warning {{'pcs' calling convention is not supported for this target}}
52 int __attribute__((pcs("foo"))) pcs7(void); // expected-error {{invalid PCS type}}
53 
54 int __attribute__((aarch64_vector_pcs)) aavpcs(void); // expected-warning {{'aarch64_vector_pcs' calling convention is not supported for this target}}
55 
56 // PR6361
57 void ctest3();
ctest3()58 void __attribute__((cdecl)) ctest3() {}
59 
60 // PR6408
61 typedef __attribute__((stdcall)) void (*PROC)();
ctest4(const char * x)62 PROC __attribute__((cdecl)) ctest4(const char *x) {}
63 
inteloclbifunc(float * a)64 void __attribute__((intel_ocl_bicc)) inteloclbifunc(float *a) {}
65 
66 typedef void typedef_fun_t(int);
67 typedef_fun_t typedef_fun; // expected-note {{previous declaration is here}}
typedef_fun(int x)68 void __attribute__((stdcall)) typedef_fun(int x) { } // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}
69 
70 struct type_test {} __attribute__((stdcall));  // expected-warning {{'stdcall' attribute only applies to functions and methods}}
71 
72 void __vectorcall __builtin_unreachable(); // expected-warning {{vectorcall calling convention is not supported on builtin function}}
73