| // RUN: clang %s -emit-llvm -o %t -fblocks -f__block && |
| // RUN: grep "_Block_object_dispose" %t | count 15 && |
| // RUN: grep "__copy_helper_block_" %t | count 12 && |
| // RUN: grep "__destroy_helper_block_" %t | count 12 && |
| // RUN: grep "__Block_byref_id_object_copy_" %t | count 2 && |
| // RUN: grep "__Block_byref_id_object_dispose_" %t | count 2 && |
| // RUN: grep "i32 135)" %t | count 2 && |
| // RUN: grep "_Block_object_assign" %t | count 9 |
| |
| #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 k; |
| __block int (^j)(int); |
| ^{j=0; k=0;}(); |
| } |
| |
| int test4() { |
| extern int g; |
| static int i = 1; |
| ^(int j){ i = j; g = 0; }(0); |
| return i + g; |
| } |
| |
| int g; |
| |
| void test5() { |
| __block struct { int i; } i; |
| ^{ (void)i; }(); |
| } |
| |
| void test6() { |
| __block int i; |
| ^{ i=1; }(); |
| } |
| |
| int main() { |
| int rv = 0; |
| test1(); |
| test2(); |
| test3(); |
| rv += test4(); |
| test5(); |
| return rv; |
| } |