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