Blaine Garst | 86d0ba4 | 2010-08-04 23:34:21 +0000 | [diff] [blame] | 1 | // |
| 2 | // The LLVM Compiler Infrastructure |
| 3 | // |
| 4 | // This file is distributed under the University of Illinois Open Source |
| 5 | // License. See LICENSE.TXT for details. |
| 6 | |
| 7 | // |
| 8 | // nullblockisa.m |
| 9 | // testObjects |
| 10 | // |
| 11 | // Created by Blaine Garst on 9/24/08. |
| 12 | // |
| 13 | // CONFIG rdar://6244520 |
| 14 | |
| 15 | |
| 16 | |
| 17 | #include <stdio.h> |
| 18 | #include <stdlib.h> |
| 19 | #include <Block_private.h> |
| 20 | |
| 21 | |
| 22 | void check(void (^b)(void)) { |
| 23 | struct _custom { |
| 24 | struct Block_layout layout; |
| 25 | struct Block_byref *innerp; |
| 26 | } *custom = (struct _custom *)(void *)(b); |
| 27 | //printf("block is at %p, size is %lx, inner is %p\n", (void *)b, Block_size(b), innerp); |
| 28 | if (custom->innerp->isa != (void *)NULL) { |
| 29 | printf("not a NULL __block isa\n"); |
| 30 | exit(1); |
| 31 | } |
| 32 | return; |
| 33 | } |
| 34 | |
| 35 | int main(int argc, char *argv[]) { |
| 36 | |
| 37 | __block int i; |
| 38 | |
| 39 | check(^{ printf("%d\n", ++i); }); |
| 40 | printf("%s: success\n", argv[0]); |
| 41 | return 0; |
| 42 | } |
| 43 | |