llvm-project/clang/test/Sema/address_spaces.c

68 lines
2.6 KiB
C

// RUN: %clang_cc1 %s -fsyntax-only -verify
#define _AS1 __attribute__((address_space(1)))
#define _AS2 __attribute__((address_space(2)))
#define _AS3 __attribute__((address_space(3)))
void bar(_AS2 int a); // expected-error {{parameter may not be qualified with an address space}}
void foo(_AS3 float *a,
_AS1 float b) // expected-error {{parameter may not be qualified with an address space}}
{
_AS2 *x;// expected-warning {{type specifier missing, defaults to 'int'}}
_AS1 float * _AS2 *B;
int _AS1 _AS2 *Y; // expected-error {{multiple address spaces specified for type}}
int *_AS1 _AS2 *Z; // expected-error {{multiple address spaces specified for type}}
_AS1 int local; // expected-error {{automatic variable qualified with an address space}}
_AS1 int array[5]; // expected-error {{automatic variable qualified with an address space}}
_AS1 int arrarr[5][5]; // expected-error {{automatic variable qualified with an address space}}
__attribute__((address_space(-1))) int *_boundsA; // expected-error {{address space is negative}}
__attribute__((address_space(0xFFFFFF))) int *_boundsB;
__attribute__((address_space(0x1000000))) int *_boundsC; // expected-error {{address space is larger than the maximum supported}}
// chosen specifically to overflow 32 bits and come out reasonable
__attribute__((address_space(4294967500))) int *_boundsD; // expected-error {{address space is larger than the maximum supported}}
*a = 5.0f + b;
}
struct _st {
int x, y;
} s __attribute ((address_space(1))) = {1, 1};
// rdar://6774906
__attribute__((address_space(256))) void * * const base = 0;
void * get_0(void) {
return base[0]; // expected-error {{returning '__attribute__((address_space(256))) void *' from a function with result type 'void *' changes address space of pointer}}
}
__attribute__((address_space(1))) char test3_array[10];
void test3(void) {
extern void test3_helper(char *p); // expected-note {{passing argument to parameter 'p' here}}
test3_helper(test3_array); // expected-error {{changes address space of pointer}}
}
typedef void ft(void);
_AS1 ft qf; // expected-error {{function type may not be qualified with an address space}}
typedef _AS1 ft qft; // expected-error {{function type may not be qualified with an address space}}
typedef _AS2 int AS2Int;
struct HasASFields
{
_AS2 int as_field; // expected-error {{field may not be qualified with an address space}}
AS2Int typedef_as_field; // expected-error {{field may not be qualified with an address space}}
};
// Assertion failure was when the field was accessed
void access_as_field()
{
struct HasASFields x;
(void) bar.as_field;
}