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 3 struct NSFastEnumerationState; 4 @interface NSArray 5 - (unsigned long) countByEnumeratingWithState: (struct NSFastEnumerationState*) state 6 objects: (id*) buffer 7 count: (unsigned long) bufferSize; 8 @end; 9 NSArray *nsarray() { return 0; } 10 // CHECK: define [[NSARRAY:%.*]]* @_Z7nsarrayv() 11 12 void use(id); 13 14 // rdar://problem/9315552 15 // The analogous ObjC testcase test46 in arr.m. 16 void 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 42 struct 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 51 void 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 } 111 112 struct 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_ 120 void 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_ 148 void 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( 176 id 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 190 template <class T> void test37(T *a) { 191 for (id x in a.array) { 192 use(x); 193 } 194 } 195 extern template void test37<Test37>(Test37 *a); 196 template 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]]) 219 220 template<typename T> 221 void 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 233 template void send_release<int>(); 234 235 template<typename T> 236 Test37 *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 247 template 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. 253 template <class T> class Test38 { 254 void test(T x) { 255 ^{ (void) x; }, ({ x; }); 256 } 257 }; 258 // CHECK: define weak_odr void @_ZN6Test38IiE4testEi( 259 template class Test38<int>; 260 261 // rdar://problem/11964832 262 class Test39_base1 { 263 virtual void foo(); 264 }; 265 class Test39_base2 { 266 virtual id bar(); 267 }; 268 class Test39 : Test39_base1, Test39_base2 { // base2 is at non-zero offset 269 virtual id bar(); 270 }; 271 id 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
