1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -O2 -disable-llvm-optzns -o - %s | FileCheck %s 2 3struct NSFastEnumerationState; 4@interface NSArray 5- (unsigned long) countByEnumeratingWithState: (struct NSFastEnumerationState*) state 6 objects: (id*) buffer 7 count: (unsigned long) bufferSize; 8@end; 9NSArray *nsarray() { return 0; } 10// CHECK: define [[NSARRAY:%.*]]* @_Z7nsarrayv() 11 12void use(id); 13 14// rdar://problem/9315552 15// The analogous ObjC testcase test46 in arr.m. 16void test0(__weak id *wp, __weak volatile id *wvp) { 17 extern id test0_helper(void); 18 19 // TODO: this is sub-optimal, we should retain at the actual call site. 20 // TODO: in the non-volatile case, we do not need to be reloading. 21 22 // CHECK: [[T0:%.*]] = call i8* @_Z12test0_helperv() 23 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 24 // CHECK-NEXT: [[T2:%.*]] = load i8*** {{%.*}}, align 8 25 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[T2]], i8* [[T1]]) 26 // CHECK-NEXT: [[T4:%.*]] = call i8* @objc_retain(i8* [[T3]]) 27 // CHECK-NEXT: store i8* [[T4]], i8** 28 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 29 id x = *wp = test0_helper(); 30 31 // CHECK: [[T0:%.*]] = call i8* @_Z12test0_helperv() 32 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 33 // CHECK-NEXT: [[T2:%.*]] = load i8*** {{%.*}}, align 8 34 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[T2]], i8* [[T1]]) 35 // CHECK-NEXT: [[T4:%.*]] = call i8* @objc_loadWeakRetained(i8** [[T2]]) 36 // CHECK-NEXT: store i8* [[T4]], i8** 37 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 38 id y = *wvp = test0_helper(); 39} 40 41// rdar://problem/9320648 42struct Test1_helper { Test1_helper(); }; 43@interface Test1 @end 44@implementation Test1 { Test1_helper x; } @end 45// CHECK: define internal i8* @"\01-[Test1 .cxx_construct]"( 46// CHECK: call void @_ZN12Test1_helperC1Ev( 47// CHECK-NEXT: load 48// CHECK-NEXT: bitcast 49// CHECK-NEXT: ret i8* 50 51void test34(int cond) { 52 __strong id strong; 53 __weak id weak; 54 extern void test34_sink(id *); 55 test34_sink(cond ? &strong : 0); 56 test34_sink(cond ? &weak : 0); 57 58 // CHECK: define void @_Z6test34i( 59 // CHECK: [[COND:%.*]] = alloca i32 60 // CHECK-NEXT: [[STRONG:%.*]] = alloca i8* 61 // CHECK-NEXT: [[WEAK:%.*]] = alloca i8* 62 // CHECK-NEXT: [[TEMP1:%.*]] = alloca i8* 63 // CHECK-NEXT: [[TEMP2:%.*]] = alloca i8* 64 // CHECK-NEXT: [[CONDCLEANUPSAVE:%.*]] = alloca i8* 65 // CHECK-NEXT: [[CONDCLEANUP:%.*]] = alloca i1 66 // CHECK-NEXT: store i32 67 // CHECK-NEXT: store i8* null, i8** [[STRONG]] 68 // CHECK-NEXT: call i8* @objc_initWeak(i8** [[WEAK]], i8* null) 69 70 // CHECK-NEXT: [[T0:%.*]] = load i32* [[COND]] 71 // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0 72 // CHECK: [[ARG:%.*]] = phi i8** 73 // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null 74 // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i8** null, i8** [[TEMP1]] 75 // CHECK-NEXT: br i1 [[T0]], 76 // CHECK: [[T0:%.*]] = load i8** [[ARG]] 77 // CHECK-NEXT: store i8* [[T0]], i8** [[TEMP1]] 78 // CHECK-NEXT: br label 79 // CHECK: call void @_Z11test34_sinkPU15__autoreleasingP11objc_object(i8** [[T1]]) 80 // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null 81 // CHECK-NEXT: br i1 [[T0]], 82 // CHECK: [[T0:%.*]] = load i8** [[TEMP1]] 83 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) 84 // CHECK-NEXT: [[T2:%.*]] = load i8** [[ARG]] 85 // CHECK-NEXT: store i8* [[T1]], i8** [[ARG]] 86 // CHECK-NEXT: call void @objc_release(i8* [[T2]]) 87 // CHECK-NEXT: br label 88 89 // CHECK: [[T0:%.*]] = load i32* [[COND]] 90 // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0 91 // CHECK: [[ARG:%.*]] = phi i8** 92 // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null 93 // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i8** null, i8** [[TEMP2]] 94 // CHECK-NEXT: store i1 false, i1* [[CONDCLEANUP]] 95 // CHECK-NEXT: br i1 [[T0]], 96 // CHECK: [[T0:%.*]] = call i8* @objc_loadWeakRetained(i8** [[ARG]]) 97 // CHECK-NEXT: store i8* [[T0]], i8** [[CONDCLEANUPSAVE]] 98 // CHECK-NEXT: store i1 true, i1* [[CONDCLEANUP]] 99 // CHECK-NEXT: store i8* [[T0]], i8** [[TEMP2]] 100 // CHECK-NEXT: br label 101 // CHECK: call void @_Z11test34_sinkPU15__autoreleasingP11objc_object(i8** [[T1]]) 102 // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null 103 // CHECK-NEXT: br i1 [[T0]], 104 // CHECK: [[T0:%.*]] = load i8** [[TEMP2]] 105 // CHECK-NEXT: call i8* @objc_storeWeak(i8** [[ARG]], i8* [[T0]]) 106 // CHECK-NEXT: br label 107 108 // CHECK: call void @objc_destroyWeak(i8** [[WEAK]]) 109 // CHECK: ret void 110} 111 112struct Test35_Helper { 113 static id makeObject1() __attribute__((ns_returns_retained)); 114 id makeObject2() __attribute__((ns_returns_retained)); 115 static id makeObject3(); 116 id makeObject4(); 117}; 118 119// CHECK: define void @_Z6test3513Test35_HelperPS_ 120void test35(Test35_Helper x0, Test35_Helper *x0p) { 121 // CHECK: call i8* @_ZN13Test35_Helper11makeObject1Ev 122 // CHECK-NOT: call i8* @objc_retain 123 id obj1 = Test35_Helper::makeObject1(); 124 // CHECK: call i8* @_ZN13Test35_Helper11makeObject2Ev 125 // CHECK-NOT: call i8* @objc_retain 126 id obj2 = x0.makeObject2(); 127 // CHECK: call i8* @_ZN13Test35_Helper11makeObject2Ev 128 // CHECK-NOT: call i8* @objc_retain 129 id obj3 = x0p->makeObject2(); 130 id (Test35_Helper::*pmf)() __attribute__((ns_returns_retained)) 131 = &Test35_Helper::makeObject2; 132 // CHECK: call i8* % 133 // CHECK-NOT: call i8* @objc_retain 134 id obj4 = (x0.*pmf)(); 135 // CHECK: call i8* % 136 // CHECK-NOT: call i8* @objc_retain 137 id obj5 = (x0p->*pmf)(); 138 139 // CHECK: call void @objc_release 140 // CHECK: call void @objc_release 141 // CHECK: call void @objc_release 142 // CHECK: call void @objc_release 143 // CHECK: call void @objc_release 144 // CHECK-NEXT: ret void 145} 146 147// CHECK: define void @_Z7test35b13Test35_HelperPS_ 148void test35b(Test35_Helper x0, Test35_Helper *x0p) { 149 // CHECK: call i8* @_ZN13Test35_Helper11makeObject3Ev 150 // CHECK: call i8* @objc_retain 151 id obj1 = Test35_Helper::makeObject3(); 152 // CHECK: call i8* @_ZN13Test35_Helper11makeObject4Ev 153 // CHECK: call i8* @objc_retain 154 id obj2 = x0.makeObject4(); 155 // CHECK: call i8* @_ZN13Test35_Helper11makeObject4Ev 156 // CHECK: call i8* @objc_retain 157 id obj3 = x0p->makeObject4(); 158 id (Test35_Helper::*pmf)() = &Test35_Helper::makeObject4; 159 // CHECK: call i8* % 160 // CHECK: call i8* @objc_retain 161 id obj4 = (x0.*pmf)(); 162 // CHECK: call i8* % 163 // CHECK: call i8* @objc_retain 164 id obj5 = (x0p->*pmf)(); 165 166 // CHECK: call void @objc_release 167 // CHECK: call void @objc_release 168 // CHECK: call void @objc_release 169 // CHECK: call void @objc_release 170 // CHECK: call void @objc_release 171 // CHECK-NEXT: ret void 172} 173 174// rdar://problem/9603128 175// CHECK: define i8* @_Z6test36P11objc_object( 176id test36(id z) { 177 // CHECK: objc_retain 178 // CHECK: objc_retain 179 // CHECK: objc_release 180 // CHECK: objc_autoreleaseReturnValue 181 return z; 182} 183 184// Template instantiation side of rdar://problem/9817306 185@interface Test37 186+ alloc; 187- init; 188- (NSArray *) array; 189@end 190template <class T> void test37(T *a) { 191 for (id x in a.array) { 192 use(x); 193 } 194} 195extern template void test37<Test37>(Test37 *a); 196template void test37<Test37>(Test37 *a); 197// CHECK: define weak_odr void @_Z6test37I6Test37EvPT_( 198// CHECK: [[T0:%.*]] = call [[NSARRAY]]* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to [[NSARRAY]]* (i8*, i8*)*)( 199// CHECK-NEXT: [[T1:%.*]] = bitcast [[NSARRAY]]* [[T0]] to i8* 200// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]]) 201// CHECK-NEXT: [[COLL:%.*]] = bitcast i8* [[T2]] to [[NSARRAY]]* 202 203// Make sure it's not immediately released before starting the iteration. 204// CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_ 205// CHECK-NEXT: [[T0:%.*]] = bitcast [[NSARRAY]]* [[COLL]] to i8* 206// CHECK-NEXT: @objc_msgSend 207 208// This bitcast is for the mutation check. 209// CHECK: [[T0:%.*]] = bitcast [[NSARRAY]]* [[COLL]] to i8* 210// CHECK-NEXT: @objc_enumerationMutation 211 212// This bitcast is for the 'next' message send. 213// CHECK: [[T0:%.*]] = bitcast [[NSARRAY]]* [[COLL]] to i8* 214// CHECK-NEXT: @objc_msgSend 215 216// This bitcast is for the final release. 217// CHECK: [[T0:%.*]] = bitcast [[NSARRAY]]* [[COLL]] to i8* 218// CHECK-NEXT: call void @objc_release(i8* [[T0]]) 219 220template<typename T> 221void send_release() { 222 [Test37 array]; 223} 224 225// CHECK: define weak_odr void @_Z12send_releaseIiEvv( 226// CHECK: call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend 227// CHECK-NEXT: bitcast 228// CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue 229// CHECK-NEXT: bitcast 230// CHECK-NEXT: bitcast 231// CHECK-NEXT: call void @objc_release 232// CHECK-NEXT: ret void 233template void send_release<int>(); 234 235template<typename T> 236Test37 *instantiate_init() { 237 Test37 *result = [[Test37 alloc] init]; 238 return result; 239} 240 241// CHECK: define weak_odr %2* @_Z16instantiate_initIiEP6Test37v 242// CHECK: call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend 243// CHECK: call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend 244// CHECK: call i8* @objc_retain 245// CHECK: call void @objc_release 246// CHECK: call i8* @objc_autoreleaseReturnValue 247template Test37* instantiate_init<int>(); 248 249// Just make sure that the AST invariants hold properly here, 250// i.e. that we don't crash. 251// The block should get bound in the full-expression outside 252// the statement-expression. 253template <class T> class Test38 { 254 void test(T x) { 255 ^{ (void) x; }, ({ x; }); 256 } 257}; 258// CHECK: define weak_odr void @_ZN6Test38IiE4testEi( 259template class Test38<int>; 260 261// rdar://problem/11964832 262class Test39_base1 { 263 virtual void foo(); 264}; 265class Test39_base2 { 266 virtual id bar(); 267}; 268class Test39 : Test39_base1, Test39_base2 { // base2 is at non-zero offset 269 virtual id bar(); 270}; 271id Test39::bar() { return 0; } 272// Note lack of autorelease. 273// CHECK: define i8* @_ZThn8_N6Test393barEv( 274// CHECK: call i8* @_ZN6Test393barEv( 275// CHECK-NEXT: ret i8* 276