clang/test/Sema/callingconv.c

   1 // RUN: %clang_cc1 %s -fsyntax-only -Wno-strict-prototypes -triple i386-unknown-unknown -verify
   2 // RUN: %clang_cc1 %s -fsyntax-only -Wno-strict-prototypes -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 is not supported on variadic function}}
  20 }
  21 void __attribute__((stdcall)) test3(int a, ...) { // expected-warning {{stdcall calling convention is not supported 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-error {{incompatible function 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 {{expected string literal as argument of 'pcs' attribute}}
  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 int __attribute__((aarch64_sve_pcs)) aasvepcs(void);  // expected-warning {{'aarch64_sve_pcs' calling convention is not supported for this target}}
  56
  57 int __attribute__((amdgpu_kernel)) amdgpu_kernel(void); // expected-warning {{'amdgpu_kernel' calling convention is not supported for this target}}
  58
  59 // PR6361
  60 void ctest3();
  61 void __attribute__((cdecl)) ctest3() {}
  62
  63 // PR6408
  64 typedef __attribute__((stdcall)) void (*PROC)();
  65 PROC __attribute__((cdecl)) ctest4(const char *x) {}
  66
  67 void __attribute__((intel_ocl_bicc)) inteloclbifunc(float *a) {}
  68
  69 typedef void typedef_fun_t(int);
  70 typedef_fun_t typedef_fun; // expected-note {{previous declaration is here}}
  71 void __attribute__((stdcall)) typedef_fun(int x) { } // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}
  72
  73 struct type_test {} __attribute__((stdcall));  // expected-warning {{'stdcall' attribute only applies to functions and methods}}
  74
  75 void __vectorcall __builtin_unreachable(); // expected-warning {{vectorcall calling convention is not supported on builtin function}}