xref: /aosp_15_r20/external/clang/test/CodeGenObjCXX/arc-blocks.mm (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -o - %s | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Li// CHECK: [[A:.*]] = type { i64, [10 x i8*] }
4*67e74705SXin Li
5*67e74705SXin Li// CHECK: [[LAYOUT0:@.*]] = private global [3 x i8] c" 9\00"
6*67e74705SXin Li
7*67e74705SXin Li// rdar://13045269
8*67e74705SXin Li// If a __block variable requires extended layout information *and*
9*67e74705SXin Li// a copy/dispose helper, be sure to adjust the offsets used in copy/dispose.
10*67e74705SXin Linamespace test0 {
11*67e74705SXin Li  struct A {
12*67e74705SXin Li    unsigned long count;
13*67e74705SXin Li    id data[10];
14*67e74705SXin Li  };
15*67e74705SXin Li
16*67e74705SXin Li  void foo() {
17*67e74705SXin Li    __block A v;
18*67e74705SXin Li  }
19*67e74705SXin Li  // CHECK-LABEL:    define void @_ZN5test03fooEv()
20*67e74705SXin Li  // CHECK:      [[V:%.*]] = alloca [[BYREF_A:%.*]], align 8
21*67e74705SXin Li  // CHECK:      [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], [[BYREF_A]]* [[V]], i32 0, i32 4
22*67e74705SXin Li  // CHECK-NEXT: store i8* bitcast (void (i8*, i8*)* [[COPY_HELPER:@.*]] to i8*), i8** [[T0]]
23*67e74705SXin Li  // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], [[BYREF_A]]* [[V]], i32 0, i32 5
24*67e74705SXin Li  // CHECK-NEXT: store i8* bitcast (void (i8*)* [[DISPOSE_HELPER:@.*]] to i8*), i8** [[T0]]
25*67e74705SXin Li  // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], [[BYREF_A]]* [[V]], i32 0, i32 6
26*67e74705SXin Li  // CHECK-NEXT: store i8* getelementptr inbounds ([3 x i8], [3 x i8]* [[LAYOUT0]], i32 0, i32 0), i8** [[T0]]
27*67e74705SXin Li  // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], [[BYREF_A]]* [[V]], i32 0, i32 7
28*67e74705SXin Li  // CHECK-NEXT: call void @_ZN5test01AC1Ev([[A]]* [[T0]])
29*67e74705SXin Li  // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], [[BYREF_A]]* [[V]], i32 0, i32 7
30*67e74705SXin Li  // CHECK-NEXT: [[T1:%.*]] = bitcast [[BYREF_A]]* [[V]] to i8*
31*67e74705SXin Li  // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T1]], i32 8)
32*67e74705SXin Li  // CHECK-NEXT: call void @_ZN5test01AD1Ev([[A]]* [[T0]])
33*67e74705SXin Li  // CHECK-NEXT: ret void
34*67e74705SXin Li
35*67e74705SXin Li  // CHECK:    define internal void [[COPY_HELPER]](
36*67e74705SXin Li  // CHECK:      [[T0:%.*]] = bitcast i8* {{.*}} to [[BYREF_A]]*
37*67e74705SXin Li  // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[BYREF_A]], [[BYREF_A]]* [[T0]], i32 0, i32 7
38*67e74705SXin Li  // CHECK-NEXT: load
39*67e74705SXin Li  // CHECK-NEXT: [[T2:%.*]] = bitcast i8* {{.*}} to [[BYREF_A]]*
40*67e74705SXin Li  // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds [[BYREF_A]], [[BYREF_A]]* [[T2]], i32 0, i32 7
41*67e74705SXin Li  // CHECK-NEXT: call void @_ZN5test01AC1ERKS0_([[A]]* [[T1]], [[A]]* dereferenceable({{[0-9]+}}) [[T3]])
42*67e74705SXin Li  // CHECK-NEXT: ret void
43*67e74705SXin Li
44*67e74705SXin Li  // CHECK:    define internal void [[DISPOSE_HELPER]](
45*67e74705SXin Li  // CHECK:      [[T0:%.*]] = bitcast i8* {{.*}} to [[BYREF_A]]*
46*67e74705SXin Li  // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[BYREF_A]], [[BYREF_A]]* [[T0]], i32 0, i32 7
47*67e74705SXin Li  // CHECK-NEXT: call void @_ZN5test01AD1Ev([[A]]* [[T1]])
48*67e74705SXin Li  // CHECK-NEXT: ret void
49*67e74705SXin Li}
50