140 lines
4.2 KiB
C
140 lines
4.2 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux %s -Wno-tautological-pointer-compare
|
|
|
|
#define EVAL_EXPR(testno, expr) int test##testno = sizeof(struct{char qq[expr];});
|
|
int x;
|
|
EVAL_EXPR(1, (_Bool)&x)
|
|
EVAL_EXPR(2, (int)(1.0+(double)4))
|
|
EVAL_EXPR(3, (int)(1.0+(float)4.0))
|
|
EVAL_EXPR(4, (_Bool)(1 ? (void*)&x : 0))
|
|
EVAL_EXPR(5, (_Bool)(int[]){0})
|
|
struct y {int x,y;};
|
|
EVAL_EXPR(6, (int)(1+(struct y*)0))
|
|
EVAL_EXPR(7, (int)&((struct y*)0)->y)
|
|
EVAL_EXPR(8, (_Bool)"asdf")
|
|
EVAL_EXPR(9, !!&x)
|
|
EVAL_EXPR(10, ((void)1, 12))
|
|
void g0(void);
|
|
EVAL_EXPR(11, (g0(), 12)) // expected-error {{must have a constant size}}
|
|
EVAL_EXPR(12, 1.0&&2.0)
|
|
EVAL_EXPR(13, x || 3.0) // expected-error {{must have a constant size}}
|
|
|
|
unsigned int l_19 = 1;
|
|
EVAL_EXPR(14, (1 ^ l_19) && 1); // expected-error {{fields must have a constant size}}
|
|
|
|
void f()
|
|
{
|
|
int a;
|
|
EVAL_EXPR(15, (_Bool)&a);
|
|
}
|
|
|
|
// FIXME: Turn into EVAL_EXPR test once we have more folding.
|
|
_Complex float g16 = (1.0f + 1.0fi);
|
|
|
|
// ?: in constant expressions.
|
|
int g17[(3?:1) - 2];
|
|
|
|
EVAL_EXPR(18, ((int)((void*)10 + 10)) == 20 ? 1 : -1);
|
|
|
|
struct s {
|
|
int a[(int)-1.0f]; // expected-error {{'a' declared as an array with a negative size}}
|
|
};
|
|
|
|
EVAL_EXPR(19, ((int)&*(char*)10 == 10 ? 1 : -1));
|
|
|
|
EVAL_EXPR(20, __builtin_constant_p(*((int*) 10)));
|
|
|
|
EVAL_EXPR(21, (__imag__ 2i) == 2 ? 1 : -1);
|
|
|
|
EVAL_EXPR(22, (__real__ (2i+3)) == 3 ? 1 : -1);
|
|
|
|
int g23[(int)(1.0 / 1.0)] = { 1 };
|
|
int g24[(int)(1.0 / 1.0)] = { 1 , 2 }; // expected-warning {{excess elements in array initializer}}
|
|
int g25[(int)(1.0 + 1.0)], g26 = sizeof(g25);
|
|
|
|
EVAL_EXPR(26, (_Complex double)0 ? -1 : 1)
|
|
EVAL_EXPR(27, (_Complex int)0 ? -1 : 1)
|
|
EVAL_EXPR(28, (_Complex double)1 ? 1 : -1)
|
|
EVAL_EXPR(29, (_Complex int)1 ? 1 : -1)
|
|
|
|
|
|
// PR4027 + rdar://6808859
|
|
struct a { int x, y; };
|
|
static struct a V2 = (struct a)(struct a){ 1, 2};
|
|
static const struct a V1 = (struct a){ 1, 2};
|
|
|
|
EVAL_EXPR(30, (int)(_Complex float)((1<<30)-1) == (1<<30) ? 1 : -1)
|
|
EVAL_EXPR(31, (int*)0 == (int*)0 ? 1 : -1)
|
|
EVAL_EXPR(32, (int*)0 != (int*)0 ? -1 : 1)
|
|
EVAL_EXPR(33, (void*)0 - (void*)0 == 0 ? 1 : -1)
|
|
void foo(void) {}
|
|
EVAL_EXPR(34, (foo == (void *)0) ? -1 : 1)
|
|
|
|
// No PR. Mismatched bitwidths lead to a crash on second evaluation.
|
|
const _Bool constbool = 0;
|
|
EVAL_EXPR(35, constbool)
|
|
EVAL_EXPR(36, constbool)
|
|
|
|
EVAL_EXPR(37, (1,2.0) == 2.0 ? 1 : -1)
|
|
EVAL_EXPR(38, __builtin_expect(1,1) == 1 ? 1 : -1)
|
|
|
|
// PR7884
|
|
EVAL_EXPR(39, __real__(1.f) == 1 ? 1 : -1)
|
|
EVAL_EXPR(40, __imag__(1.f) == 0 ? 1 : -1)
|
|
|
|
// From gcc testsuite
|
|
EVAL_EXPR(41, (int)(1+(_Complex unsigned)2))
|
|
|
|
// rdar://8875946
|
|
void rdar8875946() {
|
|
double _Complex P;
|
|
float _Complex P2 = 3.3f + P;
|
|
}
|
|
|
|
double d = (d = 0.0); // expected-error {{not a compile-time constant}}
|
|
double d2 = ++d; // expected-error {{not a compile-time constant}}
|
|
|
|
int n = 2;
|
|
int intLvalue[*(int*)((long)&n ?: 1)] = { 1, 2 }; // expected-error {{variable length array}}
|
|
|
|
union u { int a; char b[4]; };
|
|
char c = ((union u)(123456)).b[0]; // expected-error {{not a compile-time constant}}
|
|
|
|
extern const int weak_int __attribute__((weak));
|
|
const int weak_int = 42;
|
|
int weak_int_test = weak_int; // expected-error {{not a compile-time constant}}
|
|
|
|
int literalVsNull1 = "foo" == 0;
|
|
int literalVsNull2 = 0 == "foo";
|
|
|
|
// PR11385.
|
|
int castViaInt[*(int*)(unsigned long)"test"]; // expected-error {{variable length array}}
|
|
|
|
// PR11391.
|
|
struct PR11391 { _Complex float f; } pr11391;
|
|
EVAL_EXPR(42, __builtin_constant_p(pr11391.f = 1))
|
|
|
|
// PR12043
|
|
float varfloat;
|
|
const float constfloat = 0;
|
|
EVAL_EXPR(43, varfloat && constfloat) // expected-error {{must have a constant size}}
|
|
|
|
// <rdar://problem/10962435>
|
|
EVAL_EXPR(45, ((char*)-1) + 1 == 0 ? 1 : -1)
|
|
EVAL_EXPR(46, ((char*)-1) + 1 < (char*) -1 ? 1 : -1)
|
|
EVAL_EXPR(47, &x < &x + 1 ? 1 : -1)
|
|
EVAL_EXPR(48, &x != &x - 1 ? 1 : -1)
|
|
EVAL_EXPR(49, &x < &x - 100 ? 1 : -1) // expected-error {{must have a constant size}}
|
|
|
|
extern struct Test50S Test50;
|
|
EVAL_EXPR(50, &Test50 < (struct Test50S*)((unsigned)&Test50 + 10)) // expected-error {{must have a constant size}}
|
|
|
|
// <rdar://problem/11874571>
|
|
EVAL_EXPR(51, 0 != (float)1e99)
|
|
|
|
// PR21945
|
|
void PR21945() { int i = (({}), 0l); }
|
|
|
|
void PR24622();
|
|
struct PR24622 {} pr24622;
|
|
EVAL_EXPR(52, &pr24622 == (void *)&PR24622); // expected-error {{must have a constant size}}
|