xref: /llvm-project/clang/test/CodeGenObjC/arc-exceptions.m (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97)
1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fexceptions -fobjc-exceptions -fobjc-runtime-has-weak -o - %s | FileCheck %s
2
3@class Ety;
4
5// These first two tests are all PR11732
6
7void test0_helper(void);
8void test0(void) {
9  @try {
10    test0_helper();
11  } @catch (Ety *e) {
12  }
13}
14// CHECK-LABEL: define{{.*}} void @test0()
15// CHECK:      [[E:%e]] = alloca ptr, align 8
16// CHECK:      invoke void @test0_helper()
17// CHECK:      [[T0:%.*]] = call ptr @objc_begin_catch(
18// CHECK-NEXT: [[T3:%.*]] = call ptr @llvm.objc.retain(ptr [[T0]]) [[NUW:#[0-9]+]]
19// CHECK-NEXT: store ptr [[T3]], ptr [[E]]
20// CHECK-NEXT: call void @llvm.objc.storeStrong(ptr [[E]], ptr null) [[NUW]]
21// CHECK-NEXT: call void @objc_end_catch() [[NUW]]
22
23void test1_helper(void);
24void test1(void) {
25  @try {
26    test1_helper();
27  } @catch (__weak Ety *e) {
28  }
29}
30// CHECK-LABEL: define{{.*}} void @test1()
31// CHECK:      [[E:%e]] = alloca ptr, align 8
32// CHECK:      invoke void @test1_helper()
33// CHECK:      [[T0:%.*]] = call ptr @objc_begin_catch(
34// CHECK-NEXT: call ptr @llvm.objc.initWeak(ptr [[E]], ptr [[T0]]) [[NUW]]
35// CHECK-NEXT: call void @llvm.objc.destroyWeak(ptr [[E]]) [[NUW]]
36// CHECK-NEXT: call void @objc_end_catch() [[NUW]]
37
38// CHECK: attributes [[NUW]] = { nounwind }
39