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// RUN: %clang_cc1 %s -verify -fsyntax-only
struct xx { int bitf:1; };
struct entry { struct xx *whatever;
int value;
int bitf:1; };
void add_one(int *p) { (*p)++; }
void test() {
register struct entry *p;
add_one(&p->value);
struct entry pvalue;
add_one(&p->bitf); // expected-error {{address of bit-field requested}}
add_one(&pvalue.bitf); // expected-error {{address of bit-field requested}}
add_one(&p->whatever->bitf); // expected-error {{address of bit-field requested}}
}
void foo() {
register int x[10];
&x[10]; // expected-error {{address of register variable requested}}
register int *y;
int *x2 = &y; // expected-error {{address of register variable requested}}
int *x3 = &y[10];
}
void testVectorComponentAccess() {
typedef float v4sf __attribute__ ((vector_size (16)));
static v4sf q;
float* r = &q[0]; // expected-error {{address of vector element requested}}
}
typedef __attribute__(( ext_vector_type(4) )) float float4;
float *testExtVectorComponentAccess(float4 x) {
return &x.w; // expected-error {{address of vector element requested}}
}
void f0() {
register int *x0;
int *_dummy0 = &(*x0);
register int *x1;
int *_dummy1 = &(*(x1 + 1));
}
// FIXME: The checks for this function are broken; we should error
// on promoting a register array to a pointer! (C99 6.3.2.1p3)
void f1() {
register int x0[10];
int *_dummy00 = x0; // fixme-error {{address of register variable requested}}
int *_dummy01 = &(*x0); // fixme-error {{address of register variable requested}}
register int x1[10];
int *_dummy1 = &(*(x1 + 1)); // fixme-error {{address of register variable requested}}
register int *x2;
int *_dummy2 = &(*(x2 + 1));
register int x3[10][10][10];
int (*_dummy3)[10] = &x3[0][0]; // expected-error {{address of register variable requested}}
register struct { int f0[10]; } x4;
int *_dummy4 = &x4.f0[2]; // expected-error {{address of register variable requested}}
}
void f2() {
register int *y;
int *_dummy0 = &y; // expected-error {{address of register variable requested}}
int *_dummy1 = &y[10];
}
void f3() {
extern void f4();
void (*_dummy0)() = &****f4;
}
void f4() {
register _Complex int x;
int *_dummy0 = &__real__ x; // expected-error {{address of register variable requested}}
}
void f5() {
register int arr[2];
/* This is just here because if we happened to support this as an
lvalue we would need to give a warning. Note that gcc warns about
this as a register before it warns about it as an invalid
lvalue. */
int *_dummy0 = &(int*) arr; // expected-error {{cannot take the address of an rvalue}}
int *_dummy1 = &(arr + 1); // expected-error {{cannot take the address of an rvalue}}
}
void f6(register int x) {
int * dummy0 = &x; // expected-error {{address of register variable requested}}
}
char* f7() {
register struct {char* x;} t1 = {"Hello"};
char* dummy1 = &(t1.x[0]);
struct {int a : 10;} t2;
int* dummy2 = &(t2.a); // expected-error {{address of bit-field requested}}
void* t3 = &(*(void*)0);
}
void f8() {
void *dummy0 = &f8(); // expected-error {{cannot take the address of an rvalue of type 'void'}}
extern void v;
void *dummy1 = &(1 ? v : f8()); // expected-error {{cannot take the address of an rvalue of type 'void'}}
void *dummy2 = &(f8(), v); // expected-error {{cannot take the address of an rvalue of type 'void'}}
void *dummy3 = &({ ; }); // expected-error {{cannot take the address of an rvalue of type 'void'}}
}
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