callingconv.c revision fbf6f5c8ac0a3feb9a5add5f9221a21f68ca487a
1// RUN: %clang_cc1 %s -fsyntax-only -triple i386-unknown-unknown -verify 2 3void __attribute__((fastcall)) foo(float *a) { 4} 5 6void __attribute__((stdcall)) bar(float *a) { 7} 8 9void __attribute__((fastcall(1))) baz(float *a) { // expected-error {{'fastcall' attribute takes no arguments}} 10} 11 12void __attribute__((fastcall)) test0() { // expected-error {{function with no prototype cannot use fastcall calling convention}} 13} 14 15void __attribute__((fastcall)) test1(void) { 16} 17 18void __attribute__((fastcall)) test2(int a, ...) { // expected-error {{variadic function cannot use fastcall calling convention}} 19} 20 21void __attribute__((cdecl)) ctest0() {} 22 23void __attribute__((cdecl(1))) ctest1(float x) {} // expected-error {{'cdecl' attribute takes no arguments}} 24 25void (__attribute__((fastcall)) *pfoo)(float*) = foo; 26 27void (__attribute__((stdcall)) *pbar)(float*) = bar; 28 29void (__attribute__((cdecl)) *ptest1)(void) = test1; // expected-warning {{incompatible pointer types}} 30 31void (*pctest0)() = ctest0; 32 33void ctest2() {} 34void (__attribute__((cdecl)) *pctest2)() = ctest2; 35 36typedef void (__attribute__((fastcall)) *Handler) (float *); 37Handler H = foo; 38 39int __attribute__((pcs("aapcs", "aapcs"))) pcs1(void); // expected-error {{'pcs' attribute takes one argument}} 40int __attribute__((pcs())) pcs2(void); // expected-error {{'pcs' attribute takes one argument}} 41int __attribute__((pcs(pcs1))) pcs3(void); // expected-error {{'pcs' attribute requires a string}} \ 42 // expected-error {{invalid PCS type}} 43int __attribute__((pcs(0))) pcs4(void); // expected-error {{'pcs' attribute requires a string}} 44/* These are ignored because the target is i386 and not ARM */ 45int __attribute__((pcs("aapcs"))) pcs5(void); // expected-warning {{calling convention 'pcs' ignored for this target}} 46int __attribute__((pcs("aapcs-vfp"))) pcs6(void); // expected-warning {{calling convention 'pcs' ignored for this target}} 47int __attribute__((pcs("foo"))) pcs7(void); // expected-error {{invalid PCS type}} 48 49// PR6361 50void ctest3(); 51void __attribute__((cdecl)) ctest3() {} 52 53// PR6408 54typedef __attribute__((stdcall)) void (*PROC)(); 55PROC __attribute__((cdecl)) ctest4(const char *x) {} 56 57void __attribute__((pnaclcall)) pnaclfunc(float *a) {} // expected-warning {{calling convention 'pnaclcall' ignored for this target}} 58 59void __attribute__((intel_ocl_bicc)) inteloclbifunc(float *a) {} 60 61typedef void typedef_fun_t(int); 62typedef_fun_t typedef_fun; // expected-note {{previous declaration is here}} 63void __attribute__((stdcall)) typedef_fun(int x) { } // expected-error {{function declared 'stdcall' here was previously declared without calling convention}} 64