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)4void __attribute__((fastcall)) foo(float *a) { 5 } 6 bar(float * a)7void __attribute__((stdcall)) bar(float *a) { 8 } 9 baz(float * a)10void __attribute__((fastcall(1))) baz(float *a) { // expected-error {{'fastcall' attribute takes no arguments}} 11 } 12 test0()13void __attribute__((fastcall)) test0() { 14 } 15 test1(void)16void __attribute__((fastcall)) test1(void) { 17 } 18 test2(int a,...)19void __attribute__((fastcall)) test2(int a, ...) { // expected-warning {{fastcall calling convention is not supported on variadic function}} 20 } test3(int a,...)21void __attribute__((stdcall)) test3(int a, ...) { // expected-warning {{stdcall calling convention is not supported on variadic function}} 22 } test4(int a,...)23void __attribute__((thiscall)) test4(int a, ...) { // expected-error {{variadic function cannot use thiscall calling convention}} 24 } 25 ctest0()26void __attribute__((cdecl)) ctest0() {} 27 ctest1(float x)28void __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()38void 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()58void __attribute__((cdecl)) ctest3() {} 59 60 // PR6408 61 typedef __attribute__((stdcall)) void (*PROC)(); ctest4(const char * x)62PROC __attribute__((cdecl)) ctest4(const char *x) {} 63 inteloclbifunc(float * a)64void __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)68void __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