xref: /aosp_15_r20/external/clang/test/CodeGenObjC/arc-block-copy-escape.m (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li// RUN: %clang_cc1 -fobjc-arc -fblocks -emit-llvm %s -o - | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Litypedef void (^block_t)(void);
4*67e74705SXin Livoid use_block(block_t);
5*67e74705SXin Livoid use_int(int);
6*67e74705SXin Li
7*67e74705SXin Li// rdar://problem/10211676
8*67e74705SXin Li
9*67e74705SXin Livoid test0(int i) {
10*67e74705SXin Li  block_t block = ^{ use_int(i); };
11*67e74705SXin Li  // CHECK-LABEL:   define {{.*}}void @test0(
12*67e74705SXin Li  // CHECK:     call {{.*}}i8* @objc_retainBlock(i8* {{%.*}}) [[NUW:#[0-9]+]], !clang.arc.copy_on_escape
13*67e74705SXin Li  // CHECK:     ret void
14*67e74705SXin Li}
15*67e74705SXin Li
16*67e74705SXin Livoid test1(int i) {
17*67e74705SXin Li  id block = ^{ use_int(i); };
18*67e74705SXin Li  // CHECK-LABEL:   define {{.*}}void @test1(
19*67e74705SXin Li  // CHECK:     call {{.*}}i8* @objc_retainBlock(i8* {{%.*}}) [[NUW]]
20*67e74705SXin Li  // CHECK-NOT: !clang.arc.copy_on_escape
21*67e74705SXin Li  // CHECK:     ret void
22*67e74705SXin Li}
23*67e74705SXin Li
24*67e74705SXin Li// CHECK: attributes [[NUW]] = { nounwind }
25