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 #include <stdio.h> 8 #include <Block.h> 9 #include <Block_private.h> 10 #include <stdlib.h> 11 12 // CONFIG 13 14 15 int cumulation = 0; 16 17 int doSomething(int i) { 18 cumulation += i; 19 return cumulation; 20 } 21 22 void dirtyStack() { 23 int i = random(); 24 int j = doSomething(i); 25 int k = doSomething(j); 26 doSomething(i + j + k); 27 } 28 29 typedef void (^voidVoid)(void); 30 31 voidVoid testFunction() { 32 int i = random(); 33 __block voidVoid inner = ^{ doSomething(i); }; 34 //printf("inner, on stack, is %p\n", (void*)inner); 35 /*__block*/ voidVoid outer = ^{ 36 //printf("will call inner block %p\n", (void *)inner); 37 inner(); 38 }; 39 //printf("outer looks like: %s\n", _Block_dump(outer)); 40 voidVoid result = Block_copy(outer); 41 //Block_release(inner); 42 return result; 43 } 44 45 46 int main(int argc, char **argv) { 47 voidVoid block = testFunction(); 48 dirtyStack(); 49 block(); 50 Block_release(block); 51 52 printf("%s: success\n", argv[0]); 53 54 return 0; 55 } 56
