1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -o - %s | FileCheck %s
2// rdar://8899430
3
4@interface WeakPropertyTest {
5    __weak id PROP;
6}
7@property () __weak id PROP;
8@end
9
10@implementation WeakPropertyTest
11@synthesize PROP;
12@end
13
14// CHECK:     define internal i8* @"\01-[WeakPropertyTest PROP]"
15// CHECK:       [[SELF:%.*]] = alloca [[WPT:%.*]]*,
16// CHECK-NEXT:  [[CMD:%.*]] = alloca i8*,
17// CHECK-NEXT:  store [[WPT]]* {{%.*}}, [[WPT]]** [[SELF]]
18// CHECK-NEXT:  store i8* {{%.*}}, i8** [[CMD]]
19// CHECK-NEXT:  [[T0:%.*]] = load [[WPT]]*, [[WPT]]** [[SELF]]
20// CHECK-NEXT:  [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_WeakPropertyTest.PROP"
21// CHECK-NEXT:  [[T2:%.*]] = bitcast [[WPT]]* [[T0]] to i8*
22// CHECK-NEXT:  [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]]
23// CHECK-NEXT:  [[T4:%.*]] = bitcast i8* [[T3]] to i8**
24// CHECK-NEXT:  [[T5:%.*]] = call i8* @llvm.objc.loadWeakRetained(i8** [[T4]])
25// CHECK-NEXT:  [[T6:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T5]])
26// CHECK-NEXT:  ret i8* [[T6]]
27
28// CHECK:     define internal void @"\01-[WeakPropertyTest setPROP:]"
29// CHECK:       [[SELF:%.*]] = alloca [[WPT:%.*]]*,
30// CHECK-NEXT:  [[CMD:%.*]] = alloca i8*,
31// CHECK-NEXT:  [[PROP:%.*]] = alloca i8*,
32// CHECK-NEXT:  store [[WPT]]* {{%.*}}, [[WPT]]** [[SELF]]
33// CHECK-NEXT:  store i8* {{%.*}}, i8** [[CMD]]
34// CHECK-NEXT:  store i8* {{%.*}}, i8** [[PROP]]
35// CHECK-NEXT:  [[V:%.*]] = load i8*, i8** [[PROP]]
36// CHECK-NEXT:  [[T0:%.*]] = load [[WPT]]*, [[WPT]]** [[SELF]]
37// CHECK-NEXT:  [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_WeakPropertyTest.PROP"
38// CHECK-NEXT:  [[T2:%.*]] = bitcast [[WPT]]* [[T0]] to i8*
39// CHECK-NEXT:  [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]]
40// CHECK-NEXT:  [[T4:%.*]] = bitcast i8* [[T3]] to i8**
41// CHECK-NEXT:  call i8* @llvm.objc.storeWeak(i8** [[T4]], i8* [[V]])
42// CHECK-NEXT:  ret void
43
44// CHECK:     define internal void @"\01-[WeakPropertyTest .cxx_destruct]"
45// CHECK:       [[SELF:%.*]] = alloca [[WPT:%.*]]*,
46// CHECK-NEXT:  [[CMD:%.*]] = alloca i8*,
47// CHECK-NEXT:  store [[WPT]]* {{%.*}}, [[WPT]]** [[SELF]]
48// CHECK-NEXT:  store i8* {{%.*}}, i8** [[CMD]]
49// CHECK-NEXT:  [[T0:%.*]] = load [[WPT]]*, [[WPT]]** [[SELF]]
50// CHECK-NEXT:  [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_WeakPropertyTest.PROP"
51// CHECK-NEXT:  [[T2:%.*]] = bitcast [[WPT]]* [[T0]] to i8*
52// CHECK-NEXT:  [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]]
53// CHECK-NEXT:  [[T4:%.*]] = bitcast i8* [[T3]] to i8**
54// CHECK-NEXT:  call void @llvm.objc.destroyWeak(i8** [[T4]])
55// CHECK-NEXT:  ret void
56