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// RUN: %clang_cc1 %s -fsyntax-only -verify
#define AS1 __attribute__((address_space(1)))
#define AS2 __attribute__((address_space(2), annotate("foo")))
#define AS_ND __attribute__((address_space(2), noderef))
#define AS(i) address_space(i)
#define AS3 __attribute__((AS(3)))
#define AS5 __attribute__((address_space(5))) char
void normal_case() {
int *p = 0;
__attribute__((address_space(1))) int *q = p; // expected-error{{initializing '__attribute__((address_space(1))) int *' with an expression of type 'int *' changes address space of pointer}}
}
char *cmp(AS1 char *x, AS2 char *y) {
return x < y ? x : y; // expected-error{{conditional operator with the second and third operands of type ('AS1 char *' and 'AS2 char *') which are pointers to non-overlapping address spaces}}
}
__attribute__((address_space(1))) char test_array[10];
void test3(void) {
extern void test3_helper(char *p); // expected-note{{passing argument to parameter 'p' here}}
test3_helper(test_array); // expected-error{{passing '__attribute__((address_space(1))) char *' to parameter of type 'char *' changes address space of pointer}}
}
char AS2 *test4_array;
void test4(void) {
extern void test3_helper(char *p); // expected-note{{passing argument to parameter 'p' here}}
test3_helper(test4_array); // expected-error{{passing 'AS2 char *' to parameter of type 'char *' changes address space of pointer}}
}
void func() {
char AS1 *x;
char AS3 *x2;
AS5 *x3;
char *y;
y = x; // expected-error{{assigning 'AS1 char *' to 'char *' changes address space of pointer}}
y = x2; // expected-error{{assigning 'AS3 char *' to 'char *' changes address space of pointer}}
y = x3; // expected-error{{assigning '__attribute__((address_space(5))) char *' to 'char *' changes address space of pointer}}
}
void multiple_attrs(AS_ND int *x) {
__attribute__((address_space(2))) int *y = x; // expected-warning{{casting to dereferenceable pointer removes 'noderef' attribute}}
}
void override_macro_name() {
#define ATTRS __attribute__((noderef)) // expected-note{{previous definition is here}}
ATTRS
#define ATTRS __attribute__((address_space(1))) // expected-warning{{'ATTRS' macro redefined}}
ATTRS
int *x;
int AS_ND *y = x; // expected-error{{initializing 'AS_ND int *' with an expression of type 'ATTRS int *' changes address space of pointer}}
}
void partial_macro_declaration() {
#define ATTRS2 __attribute__((noderef))
ATTRS2 __attribute__((address_space(1))) int *x;
int AS_ND *y = x; // expected-error{{initializing 'AS_ND int *' with an expression of type 'ATTRS2 int __attribute__((address_space(1))) *' changes address space of pointer}}
// The attribute not wrapped with a macro should be printed regularly.
#define ATTRS3 __attribute__((address_space(1)))
ATTRS3 __attribute__((noderef)) int *x2;
int AS_ND *y2 = x2; // expected-error{{initializing 'AS_ND int *' with an expression of type 'ATTRS3 int * __attribute__((noderef))' changes address space of pointer}}
}
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