blocks-1.c
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// RUN: %clang_cc1 -triple thumbv7-apple-ios %s -emit-llvm -o %t -fblocks
// RUN: grep "_Block_object_dispose" %t | count 12
// RUN: grep "__copy_helper_block_" %t | count 9
// RUN: grep "__destroy_helper_block_" %t | count 9
// RUN: grep "__Block_byref_object_copy_" %t | count 2
// RUN: grep "__Block_byref_object_dispose_" %t | count 2
// RUN: grep "i32 135)" %t | count 2
// RUN: grep "_Block_object_assign" %t | count 5
// RUN: %clang_cc1 -triple thumbv7-unknown-windows %s -emit-llvm -o %t -fblocks
// RUN: grep "_Block_object_dispose" %t | count 12
// RUN: grep "__copy_helper_block_" %t | count 11
// RUN: grep "__destroy_helper_block_" %t | count 11
// RUN: grep "__Block_byref_object_copy_" %t | count 2
// RUN: grep "__Block_byref_object_dispose_" %t | count 2
// RUN: grep "i32 135)" %t | count 2
// RUN: grep "_Block_object_assign" %t | count 5
int printf(const char *, ...);
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); }(); // needs copy/dispose
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);
^{ // needs copy/dispose
^{ // needs copy/dispose
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;}(); // needs copy/dispose
}
int test4() {
extern int g;
static int i = 1;
^(int j){ i = j; g = 0; }(0); // does not need copy/dispose
return i + g;
}
int g;
void test5() {
__block struct { int i; } i;
^{ (void)i; }(); // needs copy/dispose
}
void test6() {
__block int i;
^{ i=1; }(); // needs copy/dispose
^{}(); // does not need copy/dispose
}
void test7() {
^{ // does not need copy/dispose
__block int i;
^{ i = 1; }(); // needs copy/dispose
}();
}
int main() {
int rv = 0;
test1();
test2();
test3();
rv += test4();
test5();
return rv;
}