llvm-project/clang/test/CodeGen/blocks-1.c

44 lines
745 B
C
Raw Normal View History

// RUN: clang %s -emit-llvm -o %t -fblocks -f__block &&
// RUN: grep "_Block_object_dispose" %t | count 4
// RUN: grep "__copy_helper_block_" %t | count 2
// RUN: grep "__destroy_helper_block_" %t | count 2
#include <stdio.h>
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);
}
void test3() {
__block int (^j)(int);
^{j=0;}();
}
int main() {
test1();
test2();
test3();
return 0;
}