clang/test/Sema/preserve-call-conv.c

   1 // RUN: %clang_cc1 %s -fsyntax-only -triple x86_64-unknown-unknown -verify
   2 // RUN: %clang_cc1 %s -fsyntax-only -triple arm64-unknown-unknown -verify
   3 // RUN: %clang_cc1 %s -fsyntax-only -triple x86_64-unknown-windows-msvc -verify
   4 // RUN: %clang_cc1 %s -fsyntax-only -triple aarch64-unknown-windows-msvc -verify
   5 // RUN: %clang_cc1 %s -fsyntax-only -triple thumbv7-unknown-windows-msvc -verify
   6
   7 typedef void typedef_fun_t(int);
   8
   9 void __attribute__((preserve_most)) foo(void *ptr) {
  10 }
  11
  12 void __attribute__((preserve_most(1))) foo1(void *ptr) { // expected-error {{'preserve_most' attribute takes no arguments}}
  13 }
  14
  15 void (__attribute__((preserve_most)) *pfoo1)(void *) = foo;
  16
  17 void (__attribute__((cdecl)) *pfoo2)(void *) = foo; // expected-error {{incompatible function pointer types initializing 'void (*)(void *) __attribute__((cdecl))' with an expression of type 'void (void *) __attribute__((preserve_most))'}}
  18 void (*pfoo3)(void *) = foo; // expected-error {{incompatible function pointer types initializing 'void (*)(void *)' with an expression of type 'void (void *) __attribute__((preserve_most))'}}
  19
  20 typedef_fun_t typedef_fun_foo; // expected-note {{previous declaration is here}}
  21 void __attribute__((preserve_most)) typedef_fun_foo(int x) { } // expected-error {{function declared 'preserve_most' here was previously declared without calling convention}}
  22
  23 struct type_test_foo {} __attribute__((preserve_most));  // expected-warning {{'preserve_most' attribute only applies to functions and methods}}
  24
  25 void __attribute__((preserve_all)) boo(void *ptr) {
  26 }
  27
  28 void __attribute__((preserve_all(1))) boo1(void *ptr) { // expected-error {{'preserve_all' attribute takes no arguments}}
  29 }
  30
  31 void (__attribute__((preserve_all)) *pboo1)(void *) = boo;
  32
  33 void (__attribute__((cdecl)) *pboo2)(void *) = boo; // expected-error {{incompatible function pointer types initializing 'void (*)(void *) __attribute__((cdecl))' with an expression of type 'void (void *) __attribute__((preserve_all))'}}
  34 void (*pboo3)(void *) = boo; // expected-error {{incompatible function pointer types initializing 'void (*)(void *)' with an expression of type 'void (void *) __attribute__((preserve_all))'}}
  35
  36 typedef_fun_t typedef_fun_boo; // expected-note {{previous declaration is here}}
  37 void __attribute__((preserve_all)) typedef_fun_boo(int x) { } // expected-error {{function declared 'preserve_all' here was previously declared without calling convention}}
  38
  39 struct type_test_boo {} __attribute__((preserve_all));  // expected-warning {{'preserve_all' attribute only applies to functions and methods}}