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      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 
      4 void __attribute__((fastcall)) foo(float *a) {
      5 }
      6 
      7 void __attribute__((stdcall)) bar(float *a) {
      8 }
      9 
     10 void __attribute__((fastcall(1))) baz(float *a) { // expected-error {{'fastcall' attribute takes no arguments}}
     11 }
     12 
     13 void __attribute__((fastcall)) test0() {
     14 }
     15 
     16 void __attribute__((fastcall)) test1(void) {
     17 }
     18 
     19 void __attribute__((fastcall)) test2(int a, ...) { // expected-warning {{fastcall calling convention ignored on variadic function}}
     20 }
     21 void __attribute__((stdcall)) test3(int a, ...) { // expected-warning {{stdcall calling convention ignored on variadic function}}
     22 }
     23 void __attribute__((thiscall)) test4(int a, ...) { // expected-error {{variadic function cannot use thiscall calling convention}}
     24 }
     25 
     26 void __attribute__((cdecl)) ctest0() {}
     27 
     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 pointer types}}
     35 
     36 void (*pctest0)() = ctest0;
     37 
     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 {{calling convention 'pcs' ignored for this target}}
     51 int __attribute__((pcs("aapcs-vfp"))) pcs6(void); // expected-warning {{calling convention 'pcs' ignored for this target}}
     52 int __attribute__((pcs("foo"))) pcs7(void); // expected-error {{invalid PCS type}}
     53 
     54 // PR6361
     55 void ctest3();
     56 void __attribute__((cdecl)) ctest3() {}
     57 
     58 // PR6408
     59 typedef __attribute__((stdcall)) void (*PROC)();
     60 PROC __attribute__((cdecl)) ctest4(const char *x) {}
     61 
     62 void __attribute__((intel_ocl_bicc)) inteloclbifunc(float *a) {}
     63 
     64 typedef void typedef_fun_t(int);
     65 typedef_fun_t typedef_fun; // expected-note {{previous declaration is here}}
     66 void __attribute__((stdcall)) typedef_fun(int x) { } // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}
     67 
     68 struct type_test {} __attribute__((stdcall));  // expected-warning {{'stdcall' attribute only applies to functions and methods}}
     69