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// RUN: %clang_cc1 -x c -triple bpf-pc-linux-gnu -dwarf-version=4 -fsyntax-only -verify %s
struct s {
int a;
int b[4];
int c:1;
};
union u {
int a;
int b[4];
int c:1;
};
typedef struct {
int a;
int b;
} __t;
typedef int (*__f)(void);
enum AA {
VAL1 = 10,
VAL2 = 0xffffffff80000000UL,
};
typedef enum {
VAL10 = 10,
VAL11 = 11,
} __BB;
unsigned invalid1(const int *arg) {
return __builtin_preserve_field_info(arg, 1); // expected-error {{__builtin_preserve_field_info argument 1 not a field access}}
}
unsigned invalid2(const int *arg) {
return __builtin_preserve_field_info(*arg, 1); // expected-error {{__builtin_preserve_field_info argument 1 not a field access}}
}
void *invalid3(struct s *arg) {
return __builtin_preserve_field_info(arg->a, 1); // expected-error {{incompatible integer to pointer conversion returning 'unsigned int' from a function with result type 'void *'}}
}
unsigned valid4(struct s *arg) {
return __builtin_preserve_field_info(arg->b[1], 1);
}
unsigned valid5(union u *arg) {
return __builtin_preserve_field_info(arg->b[2], 1);
}
unsigned valid6(struct s *arg) {
return __builtin_preserve_field_info(arg->a, 1);
}
unsigned valid7(struct s *arg) {
return __builtin_preserve_field_info(arg->c, 1ULL);
}
unsigned valid8(union u *arg) {
return __builtin_preserve_field_info(arg->a, 1);
}
unsigned valid9(union u *arg) {
return __builtin_preserve_field_info(arg->c, 'a');
}
unsigned invalid10(struct s *arg) {
return __builtin_preserve_field_info(arg->a, arg); // expected-error {{__builtin_preserve_field_info argument 2 not a constant}}
}
unsigned invalid11(struct s *arg, int info_kind) {
return __builtin_preserve_field_info(arg->a, info_kind); // expected-error {{__builtin_preserve_field_info argument 2 not a constant}}
}
unsigned valid12(void) {
const struct s t = {};
return __builtin_preserve_type_info(t, 0) +
__builtin_preserve_type_info(*(struct s *)0, 1);
}
unsigned valid13(void) {
__t t;
return __builtin_preserve_type_info(t, 1) +
__builtin_preserve_type_info(*(__t *)0, 0);
}
unsigned valid14(void) {
enum AA t;
return __builtin_preserve_type_info(t, 0) +
__builtin_preserve_type_info(*(enum AA *)0, 1);
}
unsigned valid15(void) {
return __builtin_preserve_enum_value(*(enum AA *)VAL1, 1) +
__builtin_preserve_enum_value(*(enum AA *)VAL2, 1);
}
unsigned invalid16(void) {
return __builtin_preserve_enum_value(*(enum AA *)0, 1); // expected-error {{__builtin_preserve_enum_value argument 1 invalid}}
}
unsigned invalid17(void) {
return __builtin_preserve_enum_value(*(enum AA *)VAL10, 1); // expected-error {{__builtin_preserve_enum_value argument 1 invalid}}
}
unsigned invalid18(struct s *arg) {
return __builtin_preserve_type_info(arg->a + 2, 0); // expected-error {{__builtin_preserve_type_info argument 1 invalid}}
}
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