2009-03-05 09:23:13 +08:00
|
|
|
// RUN: clang %s -emit-llvm -o %t -fblocks -f__block &&
|
2009-03-06 09:33:24 +08:00
|
|
|
// RUN: grep "_Block_object_dispose" %t | count 4
|
|
|
|
// RUN: grep "__copy_helper_block_" %t | count 2
|
|
|
|
// RUN: grep "__destroy_helper_block_" %t | count 2
|
2009-03-04 21:17:22 +08:00
|
|
|
#include <stdio.h>
|
|
|
|
|
2009-03-05 06:48:06 +08:00
|
|
|
void test1() {
|
|
|
|
__block int a;
|
|
|
|
int b=2;
|
|
|
|
a=1;
|
|
|
|
printf("a is %d, b is %d\n", a, b);
|
|
|
|
^{ a = 10; printf("a is %d, b is %d\n", a, b); }();
|
|
|
|
printf("a is %d, b is %d\n", a, b);
|
|
|
|
a = 1;
|
|
|
|
printf("a is %d, b is %d\n", a, b);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void test2() {
|
|
|
|
__block int a;
|
|
|
|
a=1;
|
|
|
|
printf("a is %d\n", a);
|
|
|
|
^{
|
|
|
|
^{
|
|
|
|
a = 10;
|
|
|
|
}();
|
|
|
|
}();
|
|
|
|
printf("a is %d\n", a);
|
|
|
|
a = 1;
|
|
|
|
printf("a is %d\n", a);
|
|
|
|
}
|
|
|
|
|
2009-03-06 09:33:24 +08:00
|
|
|
void test3() {
|
|
|
|
__block int (^j)(int);
|
|
|
|
^{j=0;}();
|
|
|
|
}
|
|
|
|
|
2009-03-04 21:17:22 +08:00
|
|
|
int main() {
|
2009-03-05 06:48:06 +08:00
|
|
|
test1();
|
|
|
|
test2();
|
2009-03-06 09:33:24 +08:00
|
|
|
test3();
|
2009-03-05 06:48:06 +08:00
|
|
|
return 0;
|
2009-03-04 21:17:22 +08:00
|
|
|
}
|