xref: /aosp_15_r20/external/clang/test/CodeGen/cleanup-stack.c (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -triple i386-unknown-unknown -O3 -emit-llvm %s -o - | FileCheck %s
2*67e74705SXin Li // CHECK: ret i32 9
3*67e74705SXin Li 
4*67e74705SXin Li struct s0 {
5*67e74705SXin Li   int *var;
6*67e74705SXin Li   int addend;
7*67e74705SXin Li };
8*67e74705SXin Li 
f0(struct s0 * p)9*67e74705SXin Li static void f0(struct s0 *p) {
10*67e74705SXin Li   *p->var += p->addend;
11*67e74705SXin Li }
12*67e74705SXin Li 
f1(void)13*67e74705SXin Li int f1(void) {
14*67e74705SXin Li   int var = 0;
15*67e74705SXin Li 
16*67e74705SXin Li   {
17*67e74705SXin Li     struct s0 x __attribute__((cleanup(f0))) = { &var, 2 };
18*67e74705SXin Li     struct s0 y __attribute__((cleanup(f0))) = { &var, 3 };
19*67e74705SXin Li     {
20*67e74705SXin Li       struct s0 y __attribute__((cleanup(f0))) = { &var, 4 };
21*67e74705SXin Li     }
22*67e74705SXin Li   }
23*67e74705SXin Li 
24*67e74705SXin Li   return var;
25*67e74705SXin Li }
26