xref: /aosp_15_r20/external/clang/test/CodeGenCXX/reference-in-block-args.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -fblocks %s -emit-llvm -o %t
2*67e74705SXin Li // rdar: // 8041962
3*67e74705SXin Li 
4*67e74705SXin Li extern "C" int printf(const char*, ...);
5*67e74705SXin Li 
6*67e74705SXin Li struct ST {
7*67e74705SXin Li      int filler;
8*67e74705SXin Li      int referrer;
9*67e74705SXin Li };
10*67e74705SXin Li 
11*67e74705SXin Li void OUTER_BLOCK(void (^fixer)(ST& ref)) {
12*67e74705SXin Li     ST ref = {2, 100};
13*67e74705SXin Li     fixer(ref);
14*67e74705SXin Li }
15*67e74705SXin Li 
16*67e74705SXin Li void INNER_BLOCK(int (^largeDo) ()) {
17*67e74705SXin Li 	printf("%d\n", largeDo());
18*67e74705SXin Li }
19*67e74705SXin Li 
scan()20*67e74705SXin Li void scan() {
21*67e74705SXin Li             OUTER_BLOCK(^(ST &ref) {
22*67e74705SXin Li                 INNER_BLOCK(^() { return ref.referrer + ref.filler; });
23*67e74705SXin Li             });
24*67e74705SXin Li 
25*67e74705SXin Li }
26*67e74705SXin Li 
main()27*67e74705SXin Li int main() {
28*67e74705SXin Li     scan();
29*67e74705SXin Li }
30