| 1 | // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -triple spir-unknown-unknown |
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| 2 | |
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| 3 | // Variadic functions |
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| 4 | void vararg_f(int, ...); // expected-error {{invalid prototype, variadic arguments are not allowed in OpenCL}} |
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| 5 | void __vararg_f(int, ...); |
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| 6 | typedef void (*vararg_fptr_t)(int, ...); // expected-error {{invalid prototype, variadic arguments are not allowed in OpenCL}} |
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| 7 | // expected-error@-1{{pointers to functions are not allowed}} |
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| 8 | int printf(__constant const char *st, ...); // expected-error {{invalid prototype, variadic arguments are not allowed in OpenCL}} |
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| 9 | |
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| 10 | // Struct type with function pointer field |
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| 11 | typedef struct s |
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| 12 | { |
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| 13 | void (*f)(struct s *self, int *i); // expected-error{{pointers to functions are not allowed}} |
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| 14 | } s_t; |
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| 15 | |
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| 16 | //Function pointer |
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| 17 | void foo(void*); |
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| 18 | |
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| 19 | // Expect no diagnostics for an empty parameter list. |
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| 20 | void bar(); |
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| 21 | |
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| 22 | void bar() |
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| 23 | { |
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| 24 | // declaring a function pointer is an error |
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| 25 | void (*fptr)(int); // expected-error{{pointers to functions are not allowed}} |
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| 26 | |
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| 27 | // taking the address of a function is an error |
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| 28 | foo((void*)foo); // expected-error{{taking address of function is not allowed}} |
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| 29 | foo(&foo); // expected-error{{taking address of function is not allowed}} |
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| 30 | |
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| 31 | // initializing an array with the address of functions is an error |
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| 32 | void* vptrarr[2] = {foo, &foo}; // expected-error{{taking address of function is not allowed}} expected-error{{taking address of function is not allowed}} |
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| 33 | |
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| 34 | // just calling a function is correct |
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| 35 | foo(0); |
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| 36 | } |
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| 37 | |
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