1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-arc -emit-llvm %s -o - | FileCheck %s 2 3 // rdar://problem/10290317 4 @interface Test0 5 - (void) setValue: (id) x; 6 @end 7 void test0(Test0 *t0, id value) { 8 t0.value = value; 9 } 10 // CHECK-LABEL: define void @test0( 11 // CHECK: call void @objc_storeStrong 12 // CHECK: call void @objc_storeStrong 13 // CHECK: @objc_msgSend 14 // CHECK: call void @objc_storeStrong( 15 // CHECK: call void @objc_storeStrong( 16 17 struct S1 { Class isa; }; 18 @interface Test1 19 @property (nonatomic, strong) __attribute__((NSObject)) struct S1 *pointer; 20 @end 21 @implementation Test1 22 @synthesize pointer; 23 @end 24 // The getter should be a simple load. 25 // CHECK: define internal [[S1:%.*]]* @"\01-[Test1 pointer]"( 26 // CHECK: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test1.pointer" 27 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST1:%.*]]* {{%.*}} to i8* 28 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[OFFSET]] 29 // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[S1]]** 30 // CHECK-NEXT: [[T3:%.*]] = load [[S1]]*, [[S1]]** [[T2]], align 8 31 // CHECK-NEXT: ret [[S1]]* [[T3]] 32 33 // The setter should be using objc_setProperty. 34 // CHECK: define internal void @"\01-[Test1 setPointer:]"( 35 // CHECK: [[T0:%.*]] = bitcast [[TEST1]]* {{%.*}} to i8* 36 // CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test1.pointer" 37 // CHECK-NEXT: [[T1:%.*]] = load [[S1]]*, [[S1]]** {{%.*}} 38 // CHECK-NEXT: [[T2:%.*]] = bitcast [[S1]]* [[T1]] to i8* 39 // CHECK-NEXT: call void @objc_setProperty(i8* [[T0]], i8* {{%.*}}, i64 [[OFFSET]], i8* [[T2]], i1 zeroext false, i1 zeroext false) 40 // CHECK-NEXT: ret void 41 42 43 // rdar://problem/12039404 44 @interface Test2 { 45 @private 46 Class _theClass; 47 } 48 @property (copy) Class theClass; 49 @end 50 51 static Class theGlobalClass; 52 @implementation Test2 53 @synthesize theClass = _theClass; 54 - (void) test { 55 _theClass = theGlobalClass; 56 } 57 @end 58 // CHECK: define internal void @"\01-[Test2 test]"( 59 // CHECK: [[T0:%.*]] = load i8*, i8** @theGlobalClass, align 8 60 // CHECK-NEXT: [[T1:%.*]] = load [[TEST2:%.*]]*, [[TEST2:%.*]]** 61 // CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test2._theClass" 62 // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST2]]* [[T1]] to i8* 63 // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[OFFSET]] 64 // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** 65 // CHECK-NEXT: call void @objc_storeStrong(i8** [[T4]], i8* [[T0]]) [[NUW:#[0-9]+]] 66 // CHECK-NEXT: ret void 67 68 // CHECK: define internal i8* @"\01-[Test2 theClass]"( 69 // CHECK: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test2._theClass" 70 // CHECK-NEXT: [[T0:%.*]] = tail call i8* @objc_getProperty(i8* {{.*}}, i8* {{.*}}, i64 [[OFFSET]], i1 zeroext true) 71 // CHECK-NEXT: ret i8* [[T0]] 72 73 // CHECK: define internal void @"\01-[Test2 setTheClass:]"( 74 // CHECK: [[T0:%.*]] = bitcast [[TEST2]]* {{%.*}} to i8* 75 // CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test2._theClass" 76 // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** {{%.*}} 77 // CHECK-NEXT: call void @objc_setProperty(i8* [[T0]], i8* {{%.*}}, i64 [[OFFSET]], i8* [[T1]], i1 zeroext true, i1 zeroext true) 78 // CHECK-NEXT: ret void 79 80 // CHECK: define internal void @"\01-[Test2 .cxx_destruct]"( 81 // CHECK: [[T0:%.*]] = load [[TEST2]]*, [[TEST2]]** 82 // CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test2._theClass" 83 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST2]]* [[T0]] to i8* 84 // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds i8, i8* [[T1]], i64 [[OFFSET]] 85 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to i8** 86 // CHECK-NEXT: call void @objc_storeStrong(i8** [[T3]], i8* null) [[NUW]] 87 // CHECK-NEXT: ret void 88 89 // rdar://13115896 90 @interface Test3 91 @property id copyMachine; 92 @end 93 94 void test3(Test3 *t) { 95 id x = t.copyMachine; 96 x = [t copyMachine]; 97 } 98 // CHECK: define void @test3([[TEST3:%.*]]* 99 // Prologue. 100 // CHECK: [[T:%.*]] = alloca [[TEST3]]*, 101 // CHECK-NEXT: [[X:%.*]] = alloca i8*, 102 // Property access. 103 // CHECK: [[T0:%.*]] = load [[TEST3]]*, [[TEST3]]** [[T]], 104 // CHECK-NEXT: [[SEL:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES 105 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST3]]* [[T0]] to i8* 106 // CHECK-NEXT: [[T2:%.*]] = call i8* bitcast ({{.*}} @objc_msgSend to {{.*}})(i8* [[T1]], i8* [[SEL]]) 107 // CHECK-NEXT: store i8* [[T2]], i8** [[X]], 108 // Message send. 109 // CHECK-NEXT: [[T0:%.*]] = load [[TEST3]]*, [[TEST3]]** [[T]], 110 // CHECK-NEXT: [[SEL:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES 111 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST3]]* [[T0]] to i8* 112 // CHECK-NEXT: [[T2:%.*]] = call i8* bitcast ({{.*}} @objc_msgSend to {{.*}})(i8* [[T1]], i8* [[SEL]]) 113 // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** [[X]], 114 // CHECK-NEXT: store i8* [[T2]], i8** [[X]], 115 // CHECK-NEXT: call void @objc_release(i8* [[T3]]) 116 // Epilogue. 117 // CHECK-NEXT: call void @objc_storeStrong(i8** [[X]], i8* null) 118 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST3]]** [[T]] to i8** 119 // CHECK-NEXT: call void @objc_storeStrong(i8** [[T0]], i8* null) 120 // CHECK-NEXT: ret void 121 122 @implementation Test3 123 - (id) copyMachine { 124 extern id test3_helper(void); 125 return test3_helper(); 126 } 127 // CHECK: define internal i8* @"\01-[Test3 copyMachine]"( 128 // CHECK: [[T0:%.*]] = call i8* @test3_helper() 129 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 130 // CHECK-NEXT: ret i8* [[T1]] 131 - (void) setCopyMachine: (id) x {} 132 @end 133 134 // CHECK: attributes [[NUW]] = { nounwind } 135
