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 7void test0(Test0 *t0, id value) { 8 t0.value = value; 9} 10// CHECK-LABEL: define void @test0( 11// CHECK: call void @llvm.objc.storeStrong 12// CHECK: call void @llvm.objc.storeStrong 13// CHECK: @objc_msgSend 14// CHECK: call void @llvm.objc.storeStrong( 15// CHECK: call void @llvm.objc.storeStrong( 16 17struct 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 51static 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_$_Test2._theClass" 62// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST2]]* [[T1]] to i8* 63// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[OFFSET]] 64// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** 65// CHECK-NEXT: call void @llvm.objc.storeStrong(i8** [[T4]], i8* [[T0]]) [[NUW:#[0-9]+]] 66// CHECK-NEXT: ret void 67 68// CHECK: define internal i8* @"\01-[Test2 theClass]"( 69// CHECK: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_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 @llvm.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 94void 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 @llvm.objc.release(i8* [[T3]]) 116// Epilogue. 117// CHECK-NEXT: call void @llvm.objc.storeStrong(i8** [[X]], i8* null) 118// CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST3]]** [[T]] to i8** 119// CHECK-NEXT: call void @llvm.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:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) 130// CHECK-NEXT: ret i8* [[T1]] 131- (void) setCopyMachine: (id) x {} 132@end 133 134// rdar://31579994 135// When synthesizing a property that's declared in multiple protocols, ensure 136// that the setter is emitted if any of these declarations is readwrite. 137@protocol ABC 138@property (copy, nonatomic, readonly) Test3 *someId; 139@end 140@protocol ABC__Mutable <ABC> 141@property (copy, nonatomic, readwrite) Test3 *someId; 142@end 143 144@interface ABC_Class <ABC, ABC__Mutable> 145@end 146 147@implementation ABC_Class 148@synthesize someId = _someId; 149// CHECK: define internal %{{.*}}* @"\01-[ABC_Class someId]" 150// CHECK: define internal void @"\01-[ABC_Class setSomeId:]"( 151@end 152 153 154// CHECK: attributes [[NUW]] = { nounwind } 155