derek.holloway
7502bf64a4
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85 lines
2.9 KiB
Common Lisp
85 lines
2.9 KiB
Common Lisp
// RUN: %clang_cc1 %s -cl-std=CL1.0 -verify -pedantic -fsyntax-only -triple spir-unknown-unknown
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// RUN: %clang_cc1 %s -cl-std=CL1.0 -verify -pedantic -fsyntax-only -triple spir-unknown-unknown -DFUNCPTREXT
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// RUN: %clang_cc1 %s -cl-std=CL1.0 -verify -pedantic -fsyntax-only -triple spir-unknown-unknown -DVARARGEXT
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#ifdef FUNCPTREXT
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#pragma OPENCL EXTENSION __cl_clang_function_pointers : enable
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#endif
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#ifdef VARARGEXT
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#pragma OPENCL EXTENSION __cl_clang_variadic_functions : enable
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#endif
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// Variadic functions
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void vararg_f(int, ...);
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#ifndef VARARGEXT
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// expected-error@-2 {{invalid prototype, variadic arguments are not allowed in OpenCL}}
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#endif
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void __vararg_f(int, ...);
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typedef void (*vararg_fptr_t)(int, ...);
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#ifndef VARARGEXT
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// expected-error@-2 {{invalid prototype, variadic arguments are not allowed in OpenCL}}
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#endif
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#ifndef FUNCPTREXT
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// expected-error@-5 {{pointers to functions are not allowed}}
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#endif
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int printf(__constant const char *st, ...);
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#ifndef VARARGEXT
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// expected-error@-2 {{invalid prototype, variadic arguments are not allowed in OpenCL}}
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#endif
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// Struct type with function pointer field
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typedef struct s
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{
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void (*f)(struct s *self, int *i);
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#ifndef FUNCPTREXT
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// expected-error@-2 {{pointers to functions are not allowed}}
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#endif
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} s_t;
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//Function pointer
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void foo(void*);
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#ifdef FUNCPTREXT
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//expected-note@-2{{passing argument to parameter here}}
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#endif
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// Expect no diagnostics for an empty parameter list.
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void bar();
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void bar()
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{
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// declaring a function pointer is an error
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void (*fptr)(int);
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#ifndef FUNCPTREXT
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// expected-error@-2 {{pointers to functions are not allowed}}
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#endif
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// taking the address of a function is an error
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foo((void*)foo);
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#ifndef FUNCPTREXT
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// expected-error@-2{{taking address of function is not allowed}}
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#else
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// FIXME: Functions should probably be in the address space defined by the
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// implementation. It might make sense to put them into the Default address
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// space that is bind to a physical segment by the target rather than fixing
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// it to any of the concrete OpenCL address spaces during parsing.
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// expected-error@-8{{casting 'void (*)(__private void *__private)' to type '__private void *' changes address space}}
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#endif
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foo(&foo);
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#ifndef FUNCPTREXT
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// expected-error@-2{{taking address of function is not allowed}}
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#else
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// expected-error@-4{{passing 'void (*)(__private void *__private)' to parameter of type '__private void *' changes address space of pointer}}
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#endif
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// FIXME: If we stop rejecting the line below a bug (PR49315) gets
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// hit due to incorrectly handled pointer conversion.
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#ifndef FUNCPTREXT
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// initializing an array with the address of functions is an error
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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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#endif
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// just calling a function is correct
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foo(0);
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}
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