xref: /aosp_15_r20/external/clang/test/CodeGenObjC/arc-exceptions.m (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fexceptions -fobjc-exceptions -fobjc-runtime-has-weak -o - %s | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Li@class Ety;
4*67e74705SXin Li
5*67e74705SXin Li// These first two tests are all PR11732 / rdar://problem/10667070.
6*67e74705SXin Li
7*67e74705SXin Livoid test0_helper(void);
8*67e74705SXin Livoid test0(void) {
9*67e74705SXin Li  @try {
10*67e74705SXin Li    test0_helper();
11*67e74705SXin Li  } @catch (Ety *e) {
12*67e74705SXin Li  }
13*67e74705SXin Li}
14*67e74705SXin Li// CHECK-LABEL: define void @test0()
15*67e74705SXin Li// CHECK:      [[E:%.*]] = alloca [[ETY:%.*]]*, align 8
16*67e74705SXin Li// CHECK-NEXT: invoke void @test0_helper()
17*67e74705SXin Li// CHECK:      [[T0:%.*]] = call i8* @objc_begin_catch(
18*67e74705SXin Li// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]*
19*67e74705SXin Li// CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]* [[T1]] to i8*
20*67e74705SXin Li// CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]]) [[NUW:#[0-9]+]]
21*67e74705SXin Li// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[ETY]]*
22*67e74705SXin Li// CHECK-NEXT: store [[ETY]]* [[T4]], [[ETY]]** [[E]]
23*67e74705SXin Li// CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
24*67e74705SXin Li// CHECK-NEXT: call void @objc_storeStrong(i8** [[T0]], i8* null) [[NUW]]
25*67e74705SXin Li// CHECK-NEXT: call void @objc_end_catch() [[NUW]]
26*67e74705SXin Li
27*67e74705SXin Livoid test1_helper(void);
28*67e74705SXin Livoid test1(void) {
29*67e74705SXin Li  @try {
30*67e74705SXin Li    test1_helper();
31*67e74705SXin Li  } @catch (__weak Ety *e) {
32*67e74705SXin Li  }
33*67e74705SXin Li}
34*67e74705SXin Li// CHECK-LABEL: define void @test1()
35*67e74705SXin Li// CHECK:      [[E:%.*]] = alloca [[ETY:%.*]]*, align 8
36*67e74705SXin Li// CHECK-NEXT: invoke void @test1_helper()
37*67e74705SXin Li// CHECK:      [[T0:%.*]] = call i8* @objc_begin_catch(
38*67e74705SXin Li// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]*
39*67e74705SXin Li// CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]** [[E]] to i8**
40*67e74705SXin Li// CHECK-NEXT: [[T3:%.*]] = bitcast [[ETY]]* [[T1]] to i8*
41*67e74705SXin Li// CHECK-NEXT: call i8* @objc_initWeak(i8** [[T2]], i8* [[T3]]) [[NUW]]
42*67e74705SXin Li// CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
43*67e74705SXin Li// CHECK-NEXT: call void @objc_destroyWeak(i8** [[T0]]) [[NUW]]
44*67e74705SXin Li// CHECK-NEXT: call void @objc_end_catch() [[NUW]]
45*67e74705SXin Li
46*67e74705SXin Li// CHECK: attributes [[NUW]] = { nounwind }
47