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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s
      2 
      3 #define SWIFTCALL __attribute__((swiftcall))
      4 #define INDIRECT_RESULT __attribute__((swift_indirect_result))
      5 #define ERROR_RESULT __attribute__((swift_error_result))
      6 #define CONTEXT __attribute__((swift_context))
      7 
      8 int notAFunction SWIFTCALL; // expected-warning {{'swiftcall' only applies to function types; type here is 'int'}}
      9 void variadic(int x, ...) SWIFTCALL; // expected-error {{variadic function cannot use swiftcall calling convention}}
     10 void unprototyped() SWIFTCALL; // expected-error {{function with no prototype cannot use the swiftcall calling convention}}
     11 void multiple_ccs(int x) SWIFTCALL __attribute__((vectorcall)); // expected-error {{vectorcall and swiftcall attributes are not compatible}}
     12 void (*functionPointer)(void) SWIFTCALL;
     13 
     14 void indirect_result_nonswift(INDIRECT_RESULT void *out); // expected-error {{'swift_indirect_result' parameter can only be used with swiftcall calling convention}}
     15 void indirect_result_bad_position(int first, INDIRECT_RESULT void *out) SWIFTCALL; // expected-error {{'swift_indirect_result' parameters must be first parameters of function}}
     16 void indirect_result_bad_type(INDIRECT_RESULT int out) SWIFTCALL; // expected-error {{'swift_indirect_result' parameter must have pointer type; type here is 'int'}}
     17 void indirect_result_single(INDIRECT_RESULT void *out) SWIFTCALL;
     18 void indirect_result_multiple(INDIRECT_RESULT void *out1, INDIRECT_RESULT void *out2) SWIFTCALL;
     19 
     20 void error_result_nonswift(ERROR_RESULT void **error); // expected-error {{'swift_error_result' parameter can only be used with swiftcall calling convention}} expected-error{{'swift_error_result' parameter must follow 'swift_context' parameter}}
     21 void error_result_bad_position(ERROR_RESULT void **error, int last) SWIFTCALL; // expected-error {{'swift_error_result' parameter must be last parameter of function}}
     22 void error_result_bad_position2(int first, ERROR_RESULT void **error) SWIFTCALL; // expected-error {{'swift_error_result' parameter must follow 'swift_context' parameter}}
     23 void error_result_bad_type(CONTEXT void *context, ERROR_RESULT int error) SWIFTCALL; // expected-error {{'swift_error_result' parameter must have pointer to unqualified pointer type; type here is 'int'}}
     24 void error_result_bad_type2(CONTEXT void *context, ERROR_RESULT int *error) SWIFTCALL; // expected-error {{'swift_error_result' parameter must have pointer to unqualified pointer type; type here is 'int *'}}
     25 void error_result_okay(int a, int b, CONTEXT void *context, ERROR_RESULT void **error) SWIFTCALL;
     26 
     27 void context_nonswift(CONTEXT void *context); // expected-error {{'swift_context' parameter can only be used with swiftcall calling convention}}
     28 void context_bad_position(CONTEXT void *context, int x) SWIFTCALL; // expected-error {{'swift_context' parameter can only be followed by 'swift_error_result' parameter}}
     29 void context_bad_type(CONTEXT int context) SWIFTCALL; // expected-error {{'swift_context' parameter must have pointer type; type here is 'int'}}
     30 void context_okay(CONTEXT void *context) SWIFTCALL;
     31