| // RUN: clang-cc -fsyntax-only -verify %s |
| |
| #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)) // FIXME: This should give an error |
| EVAL_EXPR(12, 1.0&&2.0) |
| EVAL_EXPR(13, x || 3.0) |
| |
| 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); // expected-error {{fields must have a constant size}} |
| } |
| |
| // 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 {{array size is negative}} |
| }; |
| |
| EVAL_EXPR(19, ((int)&*(char*)10 == 10 ? 1 : -1)); |
| |
| EVAL_EXPR(20, __builtin_constant_p(*((int*) 10), -1, 1)); |
| |
| 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) |