1 // RUN: %clang_cc1 -triple thumbv7-apple-ios %s -emit-llvm -o %t -fblocks
2 // RUN: grep "_Block_object_dispose" %t | count 12
3 // RUN: grep "__copy_helper_block_" %t | count 9
4 // RUN: grep "__destroy_helper_block_" %t | count 9
5 // RUN: grep "__Block_byref_object_copy_" %t | count 2
6 // RUN: grep "__Block_byref_object_dispose_" %t | count 2
7 // RUN: grep "i32 135)" %t | count 2
8 // RUN: grep "_Block_object_assign" %t | count 5
9 
10 // RUN: %clang_cc1 -triple thumbv7-unknown-windows %s -emit-llvm -o %t -fblocks
11 // RUN: grep "_Block_object_dispose" %t | count 12
12 // RUN: grep "__copy_helper_block_" %t | count 11
13 // RUN: grep "__destroy_helper_block_" %t | count 11
14 // RUN: grep "__Block_byref_object_copy_" %t | count 2
15 // RUN: grep "__Block_byref_object_dispose_" %t | count 2
16 // RUN: grep "i32 135)" %t | count 2
17 // RUN: grep "_Block_object_assign" %t | count 5
18 
19 int printf(const char *, ...);
20 
21 void test1(void) {
22   __block int a;
23   int b=2;
24   a=1;
25   printf("a is %d, b is %d\n", a, b);
26   ^{ a = 10; printf("a is %d, b is %d\n", a, b); }(); // needs copy/dispose
27   printf("a is %d, b is %d\n", a, b);
28   a = 1;
29   printf("a is %d, b is %d\n", a, b);
30 }
31 
32 void test2(void) {
33   __block int a;
34   a=1;
35   printf("a is %d\n", a);
36   ^{ // needs copy/dispose
37     ^{ // needs copy/dispose
38       a = 10;
39     }();
40   }();
41   printf("a is %d\n", a);
42   a = 1;
43   printf("a is %d\n", a);
44 }
45 
46 void test3(void) {
47   __block int k;
48   __block int (^j)(int);
49   ^{j=0; k=0;}(); // needs copy/dispose
50 }
51 
52 int test4(void) {
53   extern int g;
54   static int i = 1;
55   ^(int j){ i = j; g = 0; }(0); // does not need copy/dispose
56   return i + g;
57 }
58 
59 int g;
60 
61 void test5(void) {
62   __block struct { int i; } i;
63   ^{ (void)i; }(); // needs copy/dispose
64 }
65 
66 void test6(void) {
67   __block int i;
68   ^{ i=1; }(); // needs copy/dispose
69   ^{}(); // does not need copy/dispose
70 }
71 
72 void test7(void) {
73   ^{ // does not need copy/dispose
74     __block int i;
75     ^{ i = 1; }(); // needs copy/dispose
76   }();
77 }
78 
79 int main(void) {
80   int rv = 0;
81   test1();
82   test2();
83   test3();
84   rv += test4();
85   test5();
86   return rv;
87 }
88