src/compiler-rt/test/BlocksRuntime/recursiveassign.c

   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  *  recursiveassign.c
   9  *  testObjects
  10  *
  11  *  Created by Blaine Garst on 12/3/08.
  12  *
  13  */
  14
  15 // CONFIG  rdar://6639533
  16
  17 // The compiler is prefetching x->forwarding before evaluting code that recomputes forwarding and so the value goes to a place that is never seen again.
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <Block.h>
  22
  23
  24 int main(int argc, char* argv[]) {
  25
  26     __block void (^recursive_copy_block)(int) = ^(int arg) { printf("got wrong Block\n"); exit(1); };
  27
  28
  29     recursive_copy_block = Block_copy(^(int i) {
  30         if (i > 0) {
  31             recursive_copy_block(i - 1);
  32         }
  33         else {
  34             printf("done!\n");
  35         }
  36     });
  37
  38
  39     recursive_copy_block(5);
  40
  41     printf("%s: Success\n", argv[0]);
  42     return 0;
  43 }
  44