1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -O2 -disable-llvm-optzns -o - %s | FileCheck %s 2// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=CHECK-GLOBALS %s 3 4// rdar://13129783. Check both native/non-native arc platforms. Here we check 5// that they treat nonlazybind differently. 6// RUN: %clang_cc1 -fobjc-runtime=macosx-10.6.0 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=ARC-ALIEN %s 7// RUN: %clang_cc1 -fobjc-runtime=macosx-10.7.0 -triple x86_64-apple-darwin11 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=ARC-NATIVE %s 8 9// ARC-ALIEN: declare extern_weak void @objc_storeStrong(i8**, i8*) 10// ARC-ALIEN: declare extern_weak i8* @objc_retain(i8*) 11// ARC-ALIEN: declare extern_weak i8* @objc_autoreleaseReturnValue(i8*) 12// ARC-ALIEN: declare i8* @objc_msgSend(i8*, i8*, ...) [[NLB:#[0-9]+]] 13// ARC-ALIEN: declare extern_weak void @objc_release(i8*) 14// ARC-ALIEN: declare extern_weak i8* @objc_retainAutoreleasedReturnValue(i8*) 15// ARC-ALIEN: declare extern_weak i8* @objc_initWeak(i8**, i8*) 16// ARC-ALIEN: declare extern_weak i8* @objc_storeWeak(i8**, i8*) 17// ARC-ALIEN: declare extern_weak i8* @objc_loadWeakRetained(i8**) 18// ARC-ALIEN: declare extern_weak void @objc_destroyWeak(i8**) 19// ARC-ALIEN: declare extern_weak i8* @objc_autorelease(i8*) 20// ARC-ALIEN: declare extern_weak i8* @objc_retainAutorelease(i8*) 21 22// ARC-NATIVE: declare void @objc_storeStrong(i8**, i8*) 23// ARC-NATIVE: declare i8* @objc_retain(i8*) [[NLB:#[0-9]+]] 24// ARC-NATIVE: declare i8* @objc_autoreleaseReturnValue(i8*) 25// ARC-NATIVE: declare i8* @objc_msgSend(i8*, i8*, ...) [[NLB]] 26// ARC-NATIVE: declare void @objc_release(i8*) [[NLB]] 27// ARC-NATIVE: declare i8* @objc_retainAutoreleasedReturnValue(i8*) 28// ARC-NATIVE: declare i8* @objc_initWeak(i8**, i8*) 29// ARC-NATIVE: declare i8* @objc_storeWeak(i8**, i8*) 30// ARC-NATIVE: declare i8* @objc_loadWeakRetained(i8**) 31// ARC-NATIVE: declare void @objc_destroyWeak(i8**) 32// ARC-NATIVE: declare i8* @objc_autorelease(i8*) 33// ARC-NATIVE: declare i8* @objc_retainAutorelease(i8*) 34 35// CHECK-LABEL: define void @test0 36void test0(id x) { 37 // CHECK: [[X:%.*]] = alloca i8* 38 // CHECK-NEXT: [[PARM:%.*]] = call i8* @objc_retain(i8* {{.*}}) 39 // CHECK-NEXT: store i8* [[PARM]], i8** [[X]] 40 // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[X]] 41 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) 42 // CHECK-NEXT: ret void 43} 44 45// CHECK-LABEL: define i8* @test1(i8* 46id test1(id x) { 47 // CHECK: [[X:%.*]] = alloca i8* 48 // CHECK-NEXT: [[Y:%.*]] = alloca i8* 49 // CHECK-NEXT: [[PARM:%.*]] = call i8* @objc_retain(i8* {{%.*}}) 50 // CHECK-NEXT: store i8* [[PARM]], i8** [[X]] 51 // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* 52 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]]) 53 // CHECK-NEXT: store i8* null, i8** [[Y]] 54 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]] 55 // CHECK-NEXT: [[RET:%.*]] = call i8* @objc_retain(i8* [[T0]]) 56 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]] 57 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) 58 // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* 59 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[YPTR2]]) 60 // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]] 61 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 62 // CHECK-NEXT: [[T1:%.*]] = tail call i8* @objc_autoreleaseReturnValue(i8* [[RET]]) 63 // CHECK-NEXT: ret i8* [[T1]] 64 id y; 65 return y; 66} 67 68@interface Test2 69+ (void) class_method; 70- (void) inst_method; 71@end 72@implementation Test2 73 74// The self pointer of a class method is not retained. 75// CHECK: define internal void @"\01+[Test2 class_method]" 76// CHECK: alloca 77// CHECK-NEXT: alloca 78// CHECK-NEXT: store 79// CHECK-NEXT: store 80// CHECK-NEXT: ret void 81+ (void) class_method {} 82 83// The self pointer of an instance method is not retained. 84// CHECK: define internal void @"\01-[Test2 inst_method]" 85// CHECK: alloca 86// CHECK-NEXT: alloca 87// CHECK-NEXT: store 88// CHECK-NEXT: store 89// CHECK-NEXT: ret void 90- (void) inst_method {} 91@end 92 93@interface Test3 94+ (id) alloc; 95- (id) initWith: (int) x; 96- (id) copy; 97@end 98 99// CHECK-LABEL: define void @test3_unelided() 100void test3_unelided() { 101 extern void test3_helper(void); 102 103 // CHECK: [[X:%.*]] = alloca [[TEST3:%.*]]* 104 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast [[TEST3]]** [[X]] to i8* 105 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 106 // CHECK-NEXT: store [[TEST3]]* null, [[TEST3]]** [[X]], align 107 Test3 *x; 108 109 // Call to +alloc. 110 // CHECK-NEXT: load {{.*}}, {{.*}}* @"OBJC_CLASSLIST_REFERENCES_ 111 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 112 // CHECK-NEXT: bitcast 113 // CHECK-NEXT: [[ALLOC:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend 114 // CHECK-NEXT: bitcast 115 // CHECK-NEXT: bitcast 116 // CHECK-NEXT: call void @objc_release(i8* 117 [Test3 alloc]; 118 119 // CHECK-NEXT: [[T0:%.*]] = load [[TEST3]]*, [[TEST3]]** [[X]] 120 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 121 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST3]]* [[T0]] to i8* 122 // CHECK-NEXT: [[COPY:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend {{.*}})(i8* [[T1]], 123 // CHECK-NEXT: call void @objc_release(i8* [[COPY]]) [[NUW:#[0-9]+]] 124 [x copy]; 125 126 // CHECK-NEXT: [[T0:%.*]] = load [[TEST3]]*, [[TEST3]]** [[X]] 127 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST3]]* [[T0]] to i8* 128 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]] 129 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast [[TEST3]]** [[X]] to i8* 130 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 131 // CHECK-NEXT: ret void 132} 133 134// CHECK-LABEL: define void @test3() 135void test3() { 136 // CHECK: [[X:%.*]] = alloca i8* 137 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 138 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 139 140 id x = [[Test3 alloc] initWith: 5]; 141 142 // Call to +alloc. 143 // CHECK-NEXT: load {{.*}}, {{.*}}* @"OBJC_CLASSLIST_REFERENCES_ 144 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 145 // CHECK-NEXT: bitcast 146 // CHECK-NEXT: [[ALLOC:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend 147 // CHECK-NEXT: bitcast 148 149 // Call to -initWith: with elided retain of consumed argument. 150 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 151 // CHECK-NEXT: bitcast 152 // CHECK-NEXT: [[INIT:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i32)*)(i8* 153 // CHECK-NEXT: bitcast 154 // CHECK-NEXT: [[INIT:%.*]] = bitcast 155 // Assignment for initialization, retention elided. 156 // CHECK-NEXT: store i8* [[INIT]], i8** [[X]] 157 158 // Call to -copy. 159 // CHECK-NEXT: [[V:%.*]] = load i8*, i8** [[X]] 160 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 161 // CHECK-NEXT: [[COPY:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend {{.*}})(i8* [[V]], 162 163 // Assignment to x. 164 // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[X]] 165 // CHECK-NEXT: store i8* [[COPY]], i8** [[X]] 166 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) [[NUW]] 167 168 x = [x copy]; 169 170 // Cleanup for x. 171 // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[X]] 172 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) [[NUW]] 173 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 174 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 175 // CHECK-NEXT: ret void 176} 177 178// CHECK-LABEL: define i8* @test4() 179id test4() { 180 // Call to +alloc. 181 // CHECK: load {{.*}}, {{.*}}* @"OBJC_CLASSLIST_REFERENCES_ 182 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 183 // CHECK-NEXT: bitcast 184 // CHECK-NEXT: [[ALLOC:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend 185 // CHECK-NEXT: [[ALLOC:%.*]] = bitcast 186 187 // Call to -initWith: with elided retain of consumed argument. 188 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 189 // CHECK-NEXT: [[ALLOC:%.*]] = bitcast 190 // CHECK-NEXT: [[INIT:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i32)*)(i8* [[ALLOC]], 191 192 // Initialization of return value, occurring within full-expression. 193 // Retain/release elided. 194 // CHECK-NEXT: bitcast 195 // CHECK-NEXT: [[INIT:%.*]] = bitcast 196 // CHECK-NEXT: [[RET:%.*]] = tail call i8* @objc_autoreleaseReturnValue(i8* [[INIT]]) 197 198 // CHECK-NEXT: ret i8* [[RET]] 199 200 return [[Test3 alloc] initWith: 6]; 201} 202 203@interface Test5 { 204@public 205 id var; 206} 207@end 208 209// CHECK-LABEL: define void @test5 210void test5(Test5 *x, id y) { 211 // Prologue. 212 // CHECK: [[X:%.*]] = alloca [[TEST5:%.*]]*, 213 // CHECK-NEXT: [[Y:%.*]] = alloca i8* 214 // CHECK-NEXT: bitcast [[TEST5]]* {{%.*}} to i8* 215 // CHECK-NEXT: call i8* @objc_retain 216 // CHECK-NEXT: [[PARMX:%.*]] = bitcast i8* {{%.*}} to [[TEST5]]* 217 // CHECK-NEXT: store [[TEST5]]* [[PARMX]], [[TEST5]]** [[X]] 218 // CHECK-NEXT: call i8* @objc_retain 219 // CHECK-NEXT: store 220 221 // CHECK-NEXT: load [[TEST5]]*, [[TEST5]]** [[X]] 222 // CHECK-NEXT: load i64, i64* @"OBJC_IVAR_$_Test5.var" 223 // CHECK-NEXT: bitcast 224 // CHECK-NEXT: getelementptr 225 // CHECK-NEXT: [[VAR:%.*]] = bitcast 226 // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[VAR]] 227 // CHECK-NEXT: store i8* null, i8** [[VAR]] 228 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) [[NUW]] 229 x->var = 0; 230 231 // CHECK-NEXT: [[YVAL:%.*]] = load i8*, i8** [[Y]] 232 // CHECK-NEXT: load [[TEST5]]*, [[TEST5]]** [[X]] 233 // CHECK-NEXT: load i64, i64* @"OBJC_IVAR_$_Test5.var" 234 // CHECK-NEXT: bitcast 235 // CHECK-NEXT: getelementptr 236 // CHECK-NEXT: [[VAR:%.*]] = bitcast 237 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* [[YVAL]]) [[NUW]] 238 // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[VAR]] 239 // CHECK-NEXT: store i8* [[T0]], i8** [[VAR]] 240 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) [[NUW]] 241 x->var = y; 242 243 // Epilogue. 244 // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[Y]] 245 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) [[NUW]] 246 // CHECK-NEXT: [[T0:%.*]] = load [[TEST5]]*, [[TEST5]]** [[X]] 247 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST5]]* [[T0]] to i8* 248 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]] 249 // CHECK-NEXT: ret void 250} 251 252id test6_helper(void) __attribute__((ns_returns_retained)); 253// CHECK-LABEL: define void @test6() 254void test6() { 255 // CHECK: [[X:%.*]] = alloca i8* 256 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 257 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 258 // CHECK-NEXT: [[CALL:%.*]] = call i8* @test6_helper() 259 // CHECK-NEXT: store i8* [[CALL]], i8** [[X]] 260 // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]] 261 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]], !clang.imprecise_release 262 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 263 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 264 // CHECK-NEXT: ret void 265 id x = test6_helper(); 266} 267 268void test7_helper(id __attribute__((ns_consumed))); 269// CHECK-LABEL: define void @test7() 270void test7() { 271 // CHECK: [[X:%.*]] = alloca i8* 272 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 273 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 274 // CHECK-NEXT: store i8* null, i8** [[X]] 275 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]] 276 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) [[NUW]] 277 // CHECK-NEXT: call void @test7_helper(i8* [[T1]]) 278 // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]] 279 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]], !clang.imprecise_release 280 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 281 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 282 // CHECK-NEXT: ret void 283 id x; 284 test7_helper(x); 285} 286 287id test8_helper(void) __attribute__((ns_returns_retained)); 288void test8() { 289 __unsafe_unretained id x = test8_helper(); 290 // CHECK: [[X:%.*]] = alloca i8* 291 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 292 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 293 // CHECK-NEXT: [[T0:%.*]] = call i8* @test8_helper() 294 // CHECK-NEXT: store i8* [[T0]], i8** [[X]] 295 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]], !clang.imprecise_release 296 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 297 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 298 // CHECK-NEXT: ret void 299} 300 301@interface Test10 302@property (retain) Test10 *me; 303@end 304void test10() { 305 Test10 *x; 306 id y = x.me.me; 307 308 // CHECK-LABEL: define void @test10() 309 // CHECK: [[X:%.*]] = alloca [[TEST10:%.*]]*, align 310 // CHECK-NEXT: [[Y:%.*]] = alloca i8*, align 311 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast [[TEST10]]** [[X]] to i8* 312 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 313 // CHECK-NEXT: store [[TEST10]]* null, [[TEST10]]** [[X]] 314 // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* 315 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]]) 316 // CHECK-NEXT: load [[TEST10]]*, [[TEST10]]** [[X]], align 317 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_{{[0-9]*}} 318 // CHECK-NEXT: bitcast 319 // CHECK-NEXT: [[T0:%.*]] = call [[TEST10]]* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend 320 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8* 321 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]]) 322 // CHECK-NEXT: [[V:%.*]] = bitcast i8* [[T2]] to [[TEST10]]* 323 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_{{[0-9]*}} 324 // CHECK-NEXT: bitcast 325 // CHECK-NEXT: [[T0:%.*]] = call [[TEST10]]* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend 326 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8* 327 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]]) 328 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST10]]* 329 // CHECK-NEXT: [[T4:%.*]] = bitcast [[TEST10]]* [[T3]] to i8* 330 // CHECK-NEXT: store i8* [[T4]], i8** [[Y]] 331 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST10]]* [[V]] to i8* 332 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) 333 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]] 334 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) 335 // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* 336 // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[YPTR2]]) 337 // CHECK-NEXT: [[T0:%.*]] = load [[TEST10]]*, [[TEST10]]** [[X]] 338 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8* 339 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 340 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast [[TEST10]]** [[X]] to i8* 341 // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 342 // CHECK-NEXT: ret void 343} 344 345void test11(id (*f)(void) __attribute__((ns_returns_retained))) { 346 // CHECK-LABEL: define void @test11( 347 // CHECK: [[F:%.*]] = alloca i8* ()*, align 348 // CHECK-NEXT: [[X:%.*]] = alloca i8*, align 349 // CHECK-NEXT: store i8* ()* {{%.*}}, i8* ()** [[F]], align 350 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 351 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 352 // CHECK-NEXT: [[T0:%.*]] = load i8* ()*, i8* ()** [[F]], align 353 // CHECK-NEXT: [[T1:%.*]] = call i8* [[T0]]() 354 // CHECK-NEXT: store i8* [[T1]], i8** [[X]], align 355 // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** [[X]] 356 // CHECK-NEXT: call void @objc_release(i8* [[T3]]) [[NUW]], !clang.imprecise_release 357 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 358 // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 359 // CHECK-NEXT: ret void 360 id x = f(); 361} 362 363void test12(void) { 364 extern id test12_helper(void); 365 366 // CHECK-LABEL: define void @test12() 367 // CHECK: [[X:%.*]] = alloca i8*, align 368 // CHECK-NEXT: [[Y:%.*]] = alloca i8*, align 369 370 __weak id x = test12_helper(); 371 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 372 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 373 // CHECK-NEXT: [[T0:%.*]] = call i8* @test12_helper() 374 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 375 // CHECK-NEXT: call i8* @objc_initWeak(i8** [[X]], i8* [[T1]]) 376 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 377 378 x = test12_helper(); 379 // CHECK-NEXT: [[T0:%.*]] = call i8* @test12_helper() 380 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 381 // CHECK-NEXT: call i8* @objc_storeWeak(i8** [[X]], i8* [[T1]]) 382 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 383 384 id y = x; 385 // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* 386 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]]) 387 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_loadWeakRetained(i8** [[X]]) 388 // CHECK-NEXT: store i8* [[T2]], i8** [[Y]], align 389 390 // CHECK-NEXT: [[T4:%.*]] = load i8*, i8** [[Y]] 391 // CHECK-NEXT: call void @objc_release(i8* [[T4]]) [[NUW]], !clang.imprecise_release 392 // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* 393 // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[YPTR2]]) 394 // CHECK-NEXT: call void @objc_destroyWeak(i8** [[X]]) 395 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 396 // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 397 // CHECK: ret void 398} 399 400// Indirect consuming calls. 401void test13(void) { 402 // CHECK-LABEL: define void @test13() 403 // CHECK: [[X:%.*]] = alloca i8*, align 404 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 405 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 406 // CHECK-NEXT: store i8* null, i8** [[X]], align 407 id x; 408 409 typedef void fnty(id __attribute__((ns_consumed))); 410 extern fnty *test13_func; 411 // CHECK-NEXT: [[FN:%.*]] = load void (i8*)*, void (i8*)** @test13_func, align 412 // CHECK-NEXT: [[X_VAL:%.*]] = load i8*, i8** [[X]], align 413 // CHECK-NEXT: [[X_TMP:%.*]] = call i8* @objc_retain(i8* [[X_VAL]]) [[NUW]] 414 // CHECK-NEXT: call void [[FN]](i8* [[X_TMP]]) 415 test13_func(x); 416 417 extern fnty ^test13_block; 418 // CHECK-NEXT: [[TMP:%.*]] = load void (i8*)*, void (i8*)** @test13_block, align 419 // CHECK-NEXT: [[BLOCK:%.*]] = bitcast void (i8*)* [[TMP]] to [[BLOCKTY:%.*]]* 420 // CHECK-NEXT: [[BLOCK_FN_PTR:%.*]] = getelementptr inbounds [[BLOCKTY]], [[BLOCKTY]]* [[BLOCK]], i32 0, i32 3 421 // CHECK-NEXT: [[BLOCK_OPAQUE:%.*]] = bitcast [[BLOCKTY]]* [[BLOCK]] to i8* 422 // CHECK-NEXT: [[X_VAL:%.*]] = load i8*, i8** [[X]], align 423 // CHECK-NEXT: [[X_TMP:%.*]] = call i8* @objc_retain(i8* [[X_VAL]]) [[NUW]] 424 // CHECK-NEXT: [[BLOCK_FN_TMP:%.*]] = load i8*, i8** [[BLOCK_FN_PTR]] 425 // CHECK-NEXT: [[BLOCK_FN:%.*]] = bitcast i8* [[BLOCK_FN_TMP]] to void (i8*, i8*)* 426 // CHECK-NEXT: call void [[BLOCK_FN]](i8* [[BLOCK_OPAQUE]], i8* [[X_TMP]]) 427 test13_block(x); 428 429 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]] 430 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]] 431 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 432 // CHECK-NEXT: void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 433 // CHECK-NEXT: ret void 434} 435 436@interface Test16_super @end 437@interface Test16 : Test16_super { 438 id z; 439} 440@property (assign) int x; 441@property (retain) id y; 442- (void) dealloc; 443@end 444@implementation Test16 445@synthesize x; 446@synthesize y; 447- (void) dealloc { 448 // CHECK: define internal void @"\01-[Test16 dealloc]"( 449 // CHECK: [[SELF:%.*]] = alloca [[TEST16:%.*]]*, align 450 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 451 // CHECK-NEXT: alloca 452 // CHECK-NEXT: store [[TEST16]]* {{%.*}}, [[TEST16]]** [[SELF]], align 453 // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] 454 // CHECK-NEXT: [[BASE:%.*]] = load [[TEST16]]*, [[TEST16]]** [[SELF]] 455 456 // Call super. 457 // CHECK-NEXT: [[BASE2:%.*]] = bitcast [[TEST16]]* [[BASE]] to i8* 458 // CHECK-NEXT: [[T0:%.*]] = getelementptr 459 // CHECK-NEXT: store i8* [[BASE2]], i8** [[T0]] 460 // CHECK-NEXT: load {{%.*}}*, {{%.*}}** @"OBJC_CLASSLIST_SUP_REFS_$_ 461 // CHECK-NEXT: bitcast 462 // CHECK-NEXT: getelementptr 463 // CHECK-NEXT: store 464 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 465 // CHECK-NEXT: call void bitcast (i8* ({{.*}})* @objc_msgSendSuper2 to void ( 466 // CHECK-NEXT: ret void 467} 468 469// .cxx_destruct 470 // CHECK: define internal void @"\01-[Test16 .cxx_destruct]"( 471 // CHECK: [[SELF:%.*]] = alloca [[TEST16:%.*]]*, align 472 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 473 // CHECK-NEXT: store [[TEST16]]* {{%.*}}, [[TEST16]]** [[SELF]], align 474 // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] 475 // CHECK-NEXT: [[BASE:%.*]] = load [[TEST16]]*, [[TEST16]]** [[SELF]] 476 477 // Destroy y. 478 // CHECK-NEXT: [[Y_OFF:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test16.y" 479 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST16]]* [[BASE]] to i8* 480 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[Y_OFF]] 481 // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to i8** 482 // CHECK-NEXT: call void @objc_storeStrong(i8** [[T2]], i8* null) [[NUW]] 483 484 // Destroy z. 485 // CHECK-NEXT: [[Z_OFF:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test16.z" 486 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST16]]* [[BASE]] to i8* 487 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[Z_OFF]] 488 // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to i8** 489 // CHECK-NEXT: call void @objc_storeStrong(i8** [[T2]], i8* null) [[NUW]] 490 491 // CHECK-NEXT: ret void 492 493@end 494 495// This shouldn't crash. 496@interface Test17A 497@property (assign) int x; 498@end 499@interface Test17B : Test17A 500@end 501@implementation Test17B 502- (int) x { return super.x + 1; } 503@end 504 505void test19() { 506 // CHECK-LABEL: define void @test19() 507 // CHECK: [[X:%.*]] = alloca [5 x i8*], align 16 508 // CHECK: call void @llvm.lifetime.start 509 // CHECK-NEXT: [[T0:%.*]] = bitcast [5 x i8*]* [[X]] to i8* 510 // CHECK: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 40, i32 16, i1 false) 511 id x[5]; 512 513 extern id test19_helper(void); 514 x[2] = test19_helper(); 515 516 // CHECK-NEXT: [[CALL:%.*]] = call i8* @test19_helper() 517 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[CALL]]) [[NUW]] 518 // CHECK-NEXT: [[SLOT:%.*]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[X]], i64 0, i64 2 519 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[SLOT]] 520 // CHECK-NEXT: store i8* [[T1]], i8** [[SLOT]] 521 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]] 522 523 // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[X]], i32 0, i32 0 524 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8*, i8** [[BEGIN]], i64 5 525 // CHECK-NEXT: br label 526 527 // CHECK: [[AFTER:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[NEXT:%.*]], {{%.*}} ] 528 // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds i8*, i8** [[AFTER]], i64 -1 529 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[CUR]] 530 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]], !clang.imprecise_release 531 // CHECK-NEXT: [[EQ:%.*]] = icmp eq i8** [[CUR]], [[BEGIN]] 532 // CHECK-NEXT: br i1 [[EQ]], 533 534 // CHECK: ret void 535} 536 537void test20(unsigned n) { 538 // CHECK-LABEL: define void @test20 539 // CHECK: [[N:%.*]] = alloca i32, align 4 540 // CHECK-NEXT: [[SAVED_STACK:%.*]] = alloca i8* 541 // CHECK-NEXT: store i32 {{%.*}}, i32* [[N]], align 4 542 543 id x[n]; 544 545 // Capture the VLA size. 546 // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[N]], align 4 547 // CHECK-NEXT: [[DIM:%.*]] = zext i32 [[T0]] to i64 548 549 // Save the stack pointer. 550 // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.stacksave() 551 // CHECK-NEXT: store i8* [[T0]], i8** [[SAVED_STACK]] 552 553 // Allocate the VLA. 554 // CHECK-NEXT: [[VLA:%.*]] = alloca i8*, i64 [[DIM]], align 16 555 556 // Zero-initialize. 557 // CHECK-NEXT: [[T0:%.*]] = bitcast i8** [[VLA]] to i8* 558 // CHECK-NEXT: [[T1:%.*]] = mul nuw i64 [[DIM]], 8 559 // CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 [[T1]], i32 16, i1 false) 560 561 // Destroy. 562 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8*, i8** [[VLA]], i64 [[DIM]] 563 // CHECK-NEXT: [[EMPTY:%.*]] = icmp eq i8** [[VLA]], [[END]] 564 // CHECK-NEXT: br i1 [[EMPTY]] 565 566 // CHECK: [[AFTER:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ] 567 // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds i8*, i8** [[AFTER]], i64 -1 568 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[CUR]] 569 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]], !clang.imprecise_release 570 // CHECK-NEXT: [[EQ:%.*]] = icmp eq i8** [[CUR]], [[VLA]] 571 // CHECK-NEXT: br i1 [[EQ]], 572 573 // CHECK: [[T0:%.*]] = load i8*, i8** [[SAVED_STACK]] 574 // CHECK-NEXT: call void @llvm.stackrestore(i8* [[T0]]) 575 // CHECK-NEXT: ret void 576} 577 578void test21(unsigned n) { 579 // CHECK-LABEL: define void @test21 580 // CHECK: [[N:%.*]] = alloca i32, align 4 581 // CHECK-NEXT: [[SAVED_STACK:%.*]] = alloca i8* 582 // CHECK-NEXT: store i32 {{%.*}}, i32* [[N]], align 4 583 584 id x[2][n][3]; 585 586 // Capture the VLA size. 587 // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[N]], align 4 588 // CHECK-NEXT: [[DIM:%.*]] = zext i32 [[T0]] to i64 589 590 // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.stacksave() 591 // CHECK-NEXT: store i8* [[T0]], i8** [[SAVED_STACK]] 592 593 594 // Allocate the VLA. 595 // CHECK-NEXT: [[T0:%.*]] = mul nuw i64 2, [[DIM]] 596 // CHECK-NEXT: [[VLA:%.*]] = alloca [3 x i8*], i64 [[T0]], align 16 597 598 // Zero-initialize. 599 // CHECK-NEXT: [[T0:%.*]] = bitcast [3 x i8*]* [[VLA]] to i8* 600 // CHECK-NEXT: [[T1:%.*]] = mul nuw i64 2, [[DIM]] 601 // CHECK-NEXT: [[T2:%.*]] = mul nuw i64 [[T1]], 24 602 // CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 [[T2]], i32 16, i1 false) 603 604 // Destroy. 605 // CHECK-NEXT: [[T0:%.*]] = mul nuw i64 2, [[DIM]] 606 // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[VLA]], i32 0, i32 0 607 // CHECK-NEXT: [[T1:%.*]] = mul nuw i64 [[T0]], 3 608 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8*, i8** [[BEGIN]], i64 [[T1]] 609 // CHECK-NEXT: [[EMPTY:%.*]] = icmp eq i8** [[BEGIN]], [[END]] 610 // CHECK-NEXT: br i1 [[EMPTY]] 611 612 // CHECK: [[AFTER:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ] 613 // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds i8*, i8** [[AFTER]], i64 -1 614 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[CUR]] 615 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]], !clang.imprecise_release 616 // CHECK-NEXT: [[EQ:%.*]] = icmp eq i8** [[CUR]], [[BEGIN]] 617 // CHECK-NEXT: br i1 [[EQ]], 618 619 // CHECK: [[T0:%.*]] = load i8*, i8** [[SAVED_STACK]] 620 // CHECK-NEXT: call void @llvm.stackrestore(i8* [[T0]]) 621 // CHECK-NEXT: ret void 622} 623 624// rdar://problem/8922540 625// Note that we no longer emit .release_ivars flags. 626// rdar://problem/12492434 627// Note that we set the flag saying that we need destruction *and* 628// the flag saying that we don't also need construction. 629// CHECK-GLOBALS: @"\01l_OBJC_CLASS_RO_$_Test23" = private global [[RO_T:%.*]] { i32 390, 630@interface Test23 { id x; } @end 631@implementation Test23 @end 632 633// CHECK-GLOBALS: @"\01l_OBJC_CLASS_RO_$_Test24" = private global [[RO_T:%.*]] { i32 130, 634@interface Test24 {} @end 635@implementation Test24 @end 636 637// rdar://problem/8941012 638@interface Test26 { id x[4]; } @end 639@implementation Test26 @end 640// CHECK: define internal void @"\01-[Test26 .cxx_destruct]"( 641// CHECK: [[SELF:%.*]] = load [[TEST26:%.*]]*, [[TEST26:%.*]]** 642// CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test26.x" 643// CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST26]]* [[SELF]] to i8* 644// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[OFFSET]] 645// CHECK-NEXT: [[X:%.*]] = bitcast i8* [[T1]] to [4 x i8*]* 646// CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[X]], i32 0, i32 0 647// CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8*, i8** [[BEGIN]], i64 4 648// CHECK-NEXT: br label 649// CHECK: [[PAST:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ] 650// CHECK-NEXT: [[CUR]] = getelementptr inbounds i8*, i8** [[PAST]], i64 -1 651// CHECK-NEXT: call void @objc_storeStrong(i8** [[CUR]], i8* null) 652// CHECK-NEXT: [[ISDONE:%.*]] = icmp eq i8** [[CUR]], [[BEGIN]] 653// CHECK-NEXT: br i1 [[ISDONE]], 654// CHECK: ret void 655 656// Check that 'init' retains self. 657@interface Test27 658- (id) init; 659@end 660@implementation Test27 661- (id) init { return self; } 662// CHECK: define internal i8* @"\01-[Test27 init]" 663// CHECK: [[SELF:%.*]] = alloca [[TEST27:%.*]]*, 664// CHECK-NEXT: [[CMD:%.*]] = alloca i8*, 665// CHECK-NEXT: store [[TEST27]]* {{%.*}}, [[TEST27]]** [[SELF]] 666// CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] 667// CHECK-NEXT: [[T0:%.*]] = load [[TEST27]]*, [[TEST27]]** [[SELF]] 668// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST27]]* [[T0]] to i8* 669// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]]) 670// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST27]]* 671// CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST27]]* [[T3]] to i8* 672// CHECK-NEXT: [[T0:%.*]] = load [[TEST27]]*, [[TEST27]]** [[SELF]] 673// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST27]]* [[T0]] to i8* 674// CHECK-NEXT: call void @objc_release(i8* [[T1]]) 675// CHECK-NEXT: ret i8* [[RET]] 676 677@end 678 679// rdar://problem/8087194 680@interface Test28 681@property (copy) id prop; 682@end 683@implementation Test28 684@synthesize prop; 685@end 686// CHECK: define internal void @"\01-[Test28 .cxx_destruct]" 687// CHECK: [[SELF:%.*]] = load [[TEST28:%.*]]*, [[TEST28:%.*]]** 688// CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test28.prop" 689// CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST28]]* [[SELF]] to i8* 690// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[OFFSET]] 691// CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to i8** 692// CHECK-NEXT: call void @objc_storeStrong(i8** [[T2]], i8* null) 693// CHECK-NEXT: ret void 694 695@interface Test29_super 696- (id) initWithAllocator: (id) allocator; 697@end 698@interface Test29 : Test29_super 699- (id) init; 700- (id) initWithAllocator: (id) allocator; 701@end 702@implementation Test29 703static id _test29_allocator = 0; 704- (id) init { 705// CHECK: define internal i8* @"\01-[Test29 init]"([[TEST29:%[^*]*]]* {{%.*}}, 706// CHECK: [[SELF:%.*]] = alloca [[TEST29]]*, align 8 707// CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 8 708// CHECK-NEXT: store [[TEST29]]* {{%.*}}, [[TEST29]]** [[SELF]] 709// CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] 710 711// Evaluate arguments. Note that the send argument is evaluated 712// before the zeroing of self. 713// CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]], align 8 714// CHECK-NEXT: [[T1:%.*]] = load i8*, i8** @_test29_allocator, align 8 715 716// Implicit null of 'self', i.e. direct transfer of ownership. 717// CHECK-NEXT: store [[TEST29]]* null, [[TEST29]]** [[SELF]] 718 719// Actual message send. 720// CHECK-NEXT: [[T2:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 721// CHECK-NEXT: [[T3:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* 722// CHECK-NEXT: [[CALL:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i8*)*)(i8* [[T3]], i8* [[T2]], i8* [[T1]]) 723 724// Implicit write of result back into 'self'. This is not supposed to 725// be detectable because we're supposed to ban accesses to the old 726// self value past the delegate init call. 727// CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[CALL]] to [[TEST29]]* 728// CHECK-NEXT: store [[TEST29]]* [[T0]], [[TEST29]]** [[SELF]] 729 730// Return statement. 731// CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[CALL]] 732// CHECK-NEXT: [[CALL:%.*]] = bitcast 733// CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* [[CALL]]) [[NUW]] 734// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST29]]* 735// CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST29]]* [[T1]] to i8* 736 737// Cleanup. 738// CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]] 739// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* 740// CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]], !clang.imprecise_release 741 742// Return. 743// CHECK-NEXT: ret i8* [[RET]] 744 return [self initWithAllocator: _test29_allocator]; 745} 746- (id) initWithAllocator: (id) allocator { 747// CHECK: define internal i8* @"\01-[Test29 initWithAllocator:]"( 748// CHECK: [[SELF:%.*]] = alloca [[TEST29]]*, align 8 749// CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 8 750// CHECK-NEXT: [[ALLOCATOR:%.*]] = alloca i8*, align 8 751// CHECK-NEXT: alloca 752// CHECK-NEXT: store [[TEST29]]* {{%.*}}, [[TEST29]]** [[SELF]] 753// CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] 754// CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* {{%.*}}) 755// CHECK-NEXT: store i8* [[T0]], i8** [[ALLOCATOR]] 756 757// Evaluate arguments. Note that the send argument is evaluated 758// before the zeroing of self. 759// CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]] 760// CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[ALLOCATOR]], align 8 761 762// Implicit null of 'self', i.e. direct transfer of ownership. 763// CHECK-NEXT: store [[TEST29]]* null, [[TEST29]]** [[SELF]] 764 765// Actual message send. 766// CHECK: [[CALL:%.*]] = call {{.*}} @objc_msgSendSuper2 767 768// Implicit write of result back into 'self'. This is not supposed to 769// be detectable because we're supposed to ban accesses to the old 770// self value past the delegate init call. 771// CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[CALL]] to [[TEST29]]* 772// CHECK-NEXT: store [[TEST29]]* [[T0]], [[TEST29]]** [[SELF]] 773 774// Assignment. 775// CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[CALL]] to [[TEST29]]* 776// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* 777// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]]) [[NUW]] 778// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST29]]* 779// CHECK-NEXT: [[T4:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]], align 780// CHECK-NEXT: store [[TEST29]]* [[T3]], [[TEST29]]** [[SELF]], align 781// CHECK-NEXT: [[T5:%.*]] = bitcast [[TEST29]]* [[T4]] to i8* 782// CHECK-NEXT: call void @objc_release(i8* [[T5]]) 783 784// Return statement. 785// CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]] 786// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* 787// CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* [[T1]]) [[NUW]] 788// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST29]]* 789// CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST29]]* [[T1]] to i8* 790 791// Cleanup. 792// CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ALLOCATOR]] 793// CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]], !clang.imprecise_release 794 795// CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]] 796// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* 797// CHECK-NEXT: call void @objc_release(i8* [[T1]]) [[NUW]], !clang.imprecise_release 798 799// Return. 800// CHECK-NEXT: ret i8* [[RET]] 801 self = [super initWithAllocator: allocator]; 802 return self; 803} 804@end 805 806typedef struct Test30_helper Test30_helper; 807@interface Test30 808- (id) init; 809- (Test30_helper*) initHelper; 810@end 811@implementation Test30 { 812char *helper; 813} 814- (id) init { 815// CHECK: define internal i8* @"\01-[Test30 init]"([[TEST30:%[^*]*]]* {{%.*}}, 816// CHECK: [[RET:%.*]] = alloca [[TEST30]]* 817// CHECK-NEXT: alloca i8* 818// CHECK-NEXT: store [[TEST30]]* {{%.*}}, [[TEST30]]** [[SELF]] 819// CHECK-NEXT: store 820 821// Call. 822// CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]*, [[TEST30]]** [[SELF]] 823// CHECK-NEXT: [[T1:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 824// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST30]]* [[T0]] to i8* 825// CHECK-NEXT: [[CALL:%.*]] = call [[TEST30_HELPER:%.*]]* bitcast {{.*}} @objc_msgSend {{.*}}(i8* [[T2]], i8* [[T1]]) 826 827// Assignment. 828// CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST30_HELPER]]* [[CALL]] to i8* 829// CHECK-NEXT: [[T1:%.*]] = load [[TEST30]]*, [[TEST30]]** [[SELF]] 830// CHECK-NEXT: [[IVAR:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test30.helper" 831// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST30]]* [[T1]] to i8* 832// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[IVAR]] 833// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** 834// CHECK-NEXT#: [[T5:%.*]] = load i8*, i8** [[T4]] 835// CHECK-NEXT#: [[T6:%.*]] = call i8* @objc_retain(i8* [[T0]]) 836// CHECK-NEXT#: call void @objc_release(i8* [[T5]]) 837// CHECK-NEXT: store i8* [[T0]], i8** [[T4]] 838 839// Return. 840// CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]*, [[TEST30]]** [[SELF]] 841// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST30]]* [[T0]] to i8* 842// CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* [[T1]]) 843// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST30]]* 844// CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST30]]* [[T1]] to i8* 845 846// Cleanup. 847// CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]*, [[TEST30]]** [[SELF]] 848// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST30]]* [[T0]] to i8* 849// CHECK-NEXT: call void @objc_release(i8* [[T1]]) 850 851// Epilogue. 852// CHECK-NEXT: ret i8* [[RET]] 853 self->helper = [self initHelper]; 854 return self; 855} 856- (Test30_helper*) initHelper { 857// CHECK: define internal [[TEST30_HELPER]]* @"\01-[Test30 initHelper]"( 858// CHECK: alloca 859// CHECK-NEXT: alloca 860// CHECK-NEXT: store 861// CHECK-NEXT: store 862// CHECK-NEXT: ret [[TEST30_HELPER]]* null 863 return 0; 864} 865 866@end 867 868__attribute__((ns_returns_retained)) id test32(void) { 869// CHECK-LABEL: define i8* @test32() 870// CHECK: [[CALL:%.*]] = call i8* @test32_helper() 871// CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[CALL]]) 872// CHECK-NEXT: ret i8* [[T0]] 873 extern id test32_helper(void); 874 return test32_helper(); 875} 876 877@class Test33_a; 878@interface Test33 879- (void) give: (Test33_a **) x; 880- (void) take: (Test33_a **) x; 881- (void) giveStrong: (out __strong Test33_a **) x; 882- (void) takeStrong: (inout __strong Test33_a **) x; 883- (void) giveOut: (out Test33_a **) x; 884@end 885void test33(Test33 *ptr) { 886 Test33_a *a; 887 [ptr give: &a]; 888 [ptr take: &a]; 889 [ptr giveStrong: &a]; 890 [ptr takeStrong: &a]; 891 [ptr giveOut: &a]; 892 893 // CHECK: define void @test33([[TEST33:%.*]]* 894 // CHECK: [[PTR:%.*]] = alloca [[TEST33]]* 895 // CHECK-NEXT: [[A:%.*]] = alloca [[A_T:%.*]]* 896 // CHECK-NEXT: [[TEMP0:%.*]] = alloca [[A_T]]* 897 // CHECK-NEXT: [[TEMP1:%.*]] = alloca [[A_T]]* 898 // CHECK-NEXT: [[TEMP2:%.*]] = alloca [[A_T]]* 899 // CHECK-NEXT: bitcast 900 // CHECK-NEXT: objc_retain 901 // CHECK-NEXT: bitcast 902 // CHECK-NEXT: store 903 // CHECK-NEXT: bitcast 904 // CHECK-NEXT: call void @llvm.lifetime.start 905 // CHECK-NEXT: store [[A_T]]* null, [[A_T]]** [[A]] 906 907 // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] 908 // CHECK-NEXT: [[W0:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] 909 // CHECK-NEXT: store [[A_T]]* [[W0]], [[A_T]]** [[TEMP0]] 910 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 911 // CHECK-NEXT: bitcast 912 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[TEMP0]]) 913 // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]*, [[A_T]]** [[TEMP0]] 914 // CHECK-NEXT: [[T1:%.*]] = bitcast [[A_T]]* [[T0]] to i8* 915 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]]) 916 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A_T]]* 917 // CHECK-NEXT: call void (...) @clang.arc.use([[A_T]]* [[W0]]) [[NUW]] 918 // CHECK-NEXT: [[T4:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] 919 // CHECK-NEXT: store [[A_T]]* [[T3]], [[A_T]]** [[A]] 920 // CHECK-NEXT: [[T5:%.*]] = bitcast [[A_T]]* [[T4]] to i8* 921 // CHECK-NEXT: call void @objc_release(i8* [[T5]]) 922 923 // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] 924 // CHECK-NEXT: [[W0:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] 925 // CHECK-NEXT: store [[A_T]]* [[W0]], [[A_T]]** [[TEMP1]] 926 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 927 // CHECK-NEXT: bitcast 928 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[TEMP1]]) 929 // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]*, [[A_T]]** [[TEMP1]] 930 // CHECK-NEXT: [[T1:%.*]] = bitcast [[A_T]]* [[T0]] to i8* 931 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]]) 932 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A_T]]* 933 // CHECK-NEXT: call void (...) @clang.arc.use([[A_T]]* [[W0]]) [[NUW]] 934 // CHECK-NEXT: [[T4:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] 935 // CHECK-NEXT: store [[A_T]]* [[T3]], [[A_T]]** [[A]] 936 // CHECK-NEXT: [[T5:%.*]] = bitcast [[A_T]]* [[T4]] to i8* 937 // CHECK-NEXT: call void @objc_release(i8* [[T5]]) 938 939 // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] 940 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 941 // CHECK-NEXT: bitcast 942 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[A]]) 943 944 // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] 945 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 946 // CHECK-NEXT: bitcast 947 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[A]]) 948 949 // 'out' 950 // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] 951 // CHECK-NEXT: store [[A_T]]* null, [[A_T]]** [[TEMP2]] 952 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 953 // CHECK-NEXT: bitcast 954 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[TEMP2]]) 955 // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]*, [[A_T]]** [[TEMP2]] 956 // CHECK-NEXT: [[T1:%.*]] = bitcast [[A_T]]* [[T0]] to i8* 957 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]]) 958 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A_T]]* 959 // CHECK-NEXT: [[T4:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] 960 // CHECK-NEXT: store [[A_T]]* [[T3]], [[A_T]]** [[A]] 961 // CHECK-NEXT: [[T5:%.*]] = bitcast [[A_T]]* [[T4]] to i8* 962 // CHECK-NEXT: call void @objc_release(i8* [[T5]]) 963 964 // CHECK-NEXT: load 965 // CHECK-NEXT: bitcast 966 // CHECK-NEXT: objc_release 967 // CHECK-NEXT: bitcast 968 // CHECK-NEXT: call void @llvm.lifetime.end 969 // CHECK-NEXT: load 970 // CHECK-NEXT: bitcast 971 // CHECK-NEXT: objc_release 972 // CHECK-NEXT: ret void 973} 974 975 976// CHECK-LABEL: define void @test36 977void test36(id x) { 978 // CHECK: [[X:%.*]] = alloca i8* 979 980 // CHECK: call i8* @objc_retain 981 // CHECK: call i8* @objc_retain 982 // CHECK: call i8* @objc_retain 983 id array[3] = { @"A", x, @"y" }; 984 985 // CHECK: [[T0:%.*]] = load i8*, i8** [[X]] 986 // CHECK-NEXT: store i8* null, i8** [[X]] 987 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) 988 x = 0; 989 990 // CHECK: br label 991 // CHECK: call void @objc_release 992 // CHECK: br i1 993 994 // CHECK: call void @objc_release 995 // CHECK-NEXT: ret void 996} 997 998@class Test37; 999void test37(void) { 1000 extern void test37_helper(id *); 1001 Test37 *var; 1002 test37_helper(&var); 1003 1004 // CHECK-LABEL: define void @test37() 1005 // CHECK: [[VAR:%.*]] = alloca [[TEST37:%.*]]*, 1006 // CHECK-NEXT: [[TEMP:%.*]] = alloca i8* 1007 // CHECK-NEXT: [[VARPTR1:%.*]] = bitcast [[TEST37]]** [[VAR]] to i8* 1008 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[VARPTR1]]) 1009 // CHECK-NEXT: store [[TEST37]]* null, [[TEST37]]** [[VAR]] 1010 1011 // CHECK-NEXT: [[W0:%.*]] = load [[TEST37]]*, [[TEST37]]** [[VAR]] 1012 // CHECK-NEXT: [[W1:%.*]] = bitcast [[TEST37]]* [[W0]] to i8* 1013 // CHECK-NEXT: store i8* [[W1]], i8** [[TEMP]] 1014 // CHECK-NEXT: call void @test37_helper(i8** [[TEMP]]) 1015 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[TEMP]] 1016 // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST37]]* 1017 // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST37]]* [[T1]] to i8* 1018 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]]) 1019 // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[TEST37]]* 1020 // CHECK-NEXT: call void (...) @clang.arc.use(i8* [[W1]]) [[NUW]] 1021 // CHECK-NEXT: [[T5:%.*]] = load [[TEST37]]*, [[TEST37]]** [[VAR]] 1022 // CHECK-NEXT: store [[TEST37]]* [[T4]], [[TEST37]]** [[VAR]] 1023 // CHECK-NEXT: [[T6:%.*]] = bitcast [[TEST37]]* [[T5]] to i8* 1024 // CHECK-NEXT: call void @objc_release(i8* [[T6]]) 1025 1026 // CHECK-NEXT: [[T0:%.*]] = load [[TEST37]]*, [[TEST37]]** [[VAR]] 1027 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST37]]* [[T0]] to i8* 1028 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 1029 // CHECK-NEXT: [[VARPTR2:%.*]] = bitcast [[TEST37]]** [[VAR]] to i8* 1030 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[VARPTR2]]) 1031 // CHECK-NEXT: ret void 1032} 1033 1034@interface Test43 @end 1035@implementation Test43 1036- (id) test __attribute__((ns_returns_retained)) { 1037 extern id test43_produce(void); 1038 return test43_produce(); 1039 // CHECK: call i8* @test43_produce() 1040 // CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue( 1041 // CHECK-NEXT: ret 1042} 1043@end 1044 1045@interface Test45 1046@property (retain) id x; 1047@end 1048@implementation Test45 1049@synthesize x; 1050@end 1051// CHECK: define internal i8* @"\01-[Test45 x]"( 1052// CHECK: [[CALL:%.*]] = tail call i8* @objc_getProperty( 1053// CHECK-NEXT: ret i8* [[CALL]] 1054 1055// rdar://problem/9315552 1056void test46(__weak id *wp, __weak volatile id *wvp) { 1057 extern id test46_helper(void); 1058 1059 // TODO: this is sub-optimal, we should retain at the actual call site. 1060 1061 // CHECK: [[T0:%.*]] = call i8* @test46_helper() 1062 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 1063 // CHECK-NEXT: [[T2:%.*]] = load i8**, i8*** {{%.*}}, align 8 1064 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[T2]], i8* [[T1]]) 1065 // CHECK-NEXT: [[T4:%.*]] = call i8* @objc_retain(i8* [[T3]]) 1066 // CHECK-NEXT: store i8* [[T4]], i8** 1067 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 1068 id x = *wp = test46_helper(); 1069 1070 // CHECK: [[T0:%.*]] = call i8* @test46_helper() 1071 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 1072 // CHECK-NEXT: [[T2:%.*]] = load i8**, i8*** {{%.*}}, align 8 1073 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[T2]], i8* [[T1]]) 1074 // CHECK-NEXT: [[T4:%.*]] = call i8* @objc_retain(i8* [[T3]]) 1075 // CHECK-NEXT: store i8* [[T4]], i8** 1076 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 1077 id y = *wvp = test46_helper(); 1078} 1079 1080// rdar://problem/9378887 1081void test47(void) { 1082 extern id test47_helper(void); 1083 id x = x = test47_helper(); 1084 1085 // CHECK-LABEL: define void @test47() 1086 // CHECK: [[X:%.*]] = alloca i8* 1087 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 1088 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 1089 // CHECK-NEXT: store i8* null, i8** [[X]] 1090 // CHECK-NEXT: [[CALL:%.*]] = call i8* @test47_helper() 1091 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[CALL]]) 1092 // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]] 1093 // CHECK-NEXT: store i8* [[T0]], i8** [[X]] 1094 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 1095 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T0]]) 1096 // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** [[X]] 1097 // CHECK-NEXT: store i8* [[T2]], i8** [[X]] 1098 // CHECK-NEXT: call void @objc_release(i8* [[T3]]) 1099 // CHECK-NEXT: [[T4:%.*]] = load i8*, i8** [[X]] 1100 // CHECK-NEXT: call void @objc_release(i8* [[T4]]) 1101 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 1102 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 1103 // CHECK-NEXT: ret void 1104} 1105 1106void test48(void) { 1107 extern id test48_helper(void); 1108 __weak id x = x = test48_helper(); 1109 // CHECK-LABEL: define void @test48() 1110 // CHECK: [[X:%.*]] = alloca i8* 1111 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 1112 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 1113 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_initWeak(i8** [[X]], i8* null) 1114 // CHECK-NEXT: [[T1:%.*]] = call i8* @test48_helper() 1115 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]]) 1116 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[X]], i8* [[T2]]) 1117 // CHECK-NEXT: [[T4:%.*]] = call i8* @objc_storeWeak(i8** [[X]], i8* [[T3]]) 1118 // CHECK-NEXT: call void @objc_release(i8* [[T2]]) 1119 // CHECK-NEXT: call void @objc_destroyWeak(i8** [[X]]) 1120 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 1121 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 1122 // CHECK-NEXT: ret void 1123} 1124 1125void test49(void) { 1126 extern id test49_helper(void); 1127 __autoreleasing id x = x = test49_helper(); 1128 // CHECK-LABEL: define void @test49() 1129 // CHECK: [[X:%.*]] = alloca i8* 1130 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 1131 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 1132 // CHECK-NEXT: store i8* null, i8** [[X]] 1133 // CHECK-NEXT: [[CALL:%.*]] = call i8* @test49_helper() 1134 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[CALL]]) 1135 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_autorelease(i8* [[T0]]) 1136 // CHECK-NEXT: store i8* [[T2]], i8** [[X]] 1137 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retainAutorelease(i8* [[T1]]) 1138 // CHECK-NEXT: store i8* [[T3]], i8** [[X]] 1139 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 1140 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 1141 // CHECK-NEXT: ret void 1142} 1143 1144// rdar://9380136 1145id x(); 1146void test50(id y) { 1147 ({x();}); 1148// CHECK: [[T0:%.*]] = call i8* @objc_retain 1149// CHECK: call void @objc_release 1150} 1151 1152 1153// rdar://9400762 1154struct CGPoint { 1155 float x; 1156 float y; 1157}; 1158typedef struct CGPoint CGPoint; 1159 1160@interface Foo 1161@property (assign) CGPoint point; 1162@end 1163 1164@implementation Foo 1165@synthesize point; 1166@end 1167 1168// rdar://problem/9400398 1169id test52(void) { 1170 id test52_helper(int) __attribute__((ns_returns_retained)); 1171 return ({ int x = 5; test52_helper(x); }); 1172 1173// CHECK-LABEL: define i8* @test52() 1174// CHECK: [[X:%.*]] = alloca i32 1175// CHECK-NEXT: [[TMPALLOCA:%.*]] = alloca i8* 1176// CHECK-NEXT: [[XPTR1:%.*]] = bitcast i32* [[X]] to i8* 1177// CHECK-NEXT: call void @llvm.lifetime.start(i64 4, i8* [[XPTR1]]) 1178// CHECK-NEXT: store i32 5, i32* [[X]], 1179// CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[X]], 1180// CHECK-NEXT: [[T1:%.*]] = call i8* @test52_helper(i32 [[T0]]) 1181// CHECK-NEXT: store i8* [[T1]], i8** [[TMPALLOCA]] 1182// CHECK-NEXT: [[XPTR2:%.*]] = bitcast i32* [[X]] to i8* 1183// CHECK-NEXT: call void @llvm.lifetime.end(i64 4, i8* [[XPTR2]]) 1184// CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[TMPALLOCA]] 1185// CHECK-NEXT: [[T3:%.*]] = tail call i8* @objc_autoreleaseReturnValue(i8* [[T2]]) 1186// CHECK-NEXT: ret i8* [[T3]] 1187} 1188 1189// rdar://problem/9400644 1190void test53(void) { 1191 id test53_helper(void); 1192 id x = ({ id y = test53_helper(); y; }); 1193 (void) x; 1194// CHECK-LABEL: define void @test53() 1195// CHECK: [[X:%.*]] = alloca i8*, 1196// CHECK-NEXT: [[Y:%.*]] = alloca i8*, 1197// CHECK-NEXT: [[TMPALLOCA:%.*]] = alloca i8*, 1198// CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 1199// CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 1200// CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* 1201// CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]]) 1202// CHECK-NEXT: [[T0:%.*]] = call i8* @test53_helper() 1203// CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 1204// CHECK-NEXT: store i8* [[T1]], i8** [[Y]], 1205// CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]], 1206// CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) 1207// CHECK-NEXT: store i8* [[T1]], i8** [[TMPALLOCA]] 1208// CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[Y]] 1209// CHECK-NEXT: call void @objc_release(i8* [[T2]]) 1210// CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* 1211// CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[YPTR2]]) 1212// CHECK-NEXT: [[T3:%.*]] = load i8*, i8** [[TMPALLOCA]] 1213// CHECK-NEXT: store i8* [[T3]], i8** [[X]], 1214// CHECK-NEXT: load i8*, i8** [[X]], 1215// CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]] 1216// CHECK-NEXT: call void @objc_release(i8* [[T0]]) 1217// CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 1218// CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 1219// CHECK-NEXT: ret void 1220} 1221 1222// <rdar://problem/9758798> 1223// CHECK-LABEL: define void @test54(i32 %first, ...) 1224void test54(int first, ...) { 1225 __builtin_va_list arglist; 1226 // CHECK: call void @llvm.va_start 1227 __builtin_va_start(arglist, first); 1228 // CHECK: call i8* @objc_retain 1229 id obj = __builtin_va_arg(arglist, id); 1230 // CHECK: call void @llvm.va_end 1231 __builtin_va_end(arglist); 1232 // CHECK: call void @objc_release 1233 // CHECK: ret void 1234} 1235 1236// PR10228 1237@interface Test55Base @end 1238@interface Test55 : Test55Base @end 1239@implementation Test55 (Category) 1240- (void) dealloc {} 1241@end 1242// CHECK: define internal void @"\01-[Test55(Category) dealloc]"( 1243// CHECK-NOT: ret 1244// CHECK: call void bitcast (i8* ({{%.*}}*, i8*, ...)* @objc_msgSendSuper2 to void ({{%.*}}*, i8*)*)( 1245 1246// rdar://problem/8024350 1247@protocol Test56Protocol 1248+ (id) make __attribute__((ns_returns_retained)); 1249@end 1250@interface Test56<Test56Protocol> @end 1251@implementation Test56 1252// CHECK: define internal i8* @"\01+[Test56 make]"( 1253+ (id) make { 1254 extern id test56_helper(void); 1255 // CHECK: [[T0:%.*]] = call i8* @test56_helper() 1256 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 1257 // CHECK-NEXT: ret i8* [[T1]] 1258 return test56_helper(); 1259} 1260@end 1261void test56_test(void) { 1262 id x = [Test56 make]; 1263 // CHECK-LABEL: define void @test56_test() 1264 // CHECK: [[X:%.*]] = alloca i8*, align 8 1265 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* 1266 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[XPTR1]]) 1267 // CHECK: [[T0:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)( 1268 // CHECK-NEXT: store i8* [[T0]], i8** [[X]] 1269 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]] 1270 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) 1271 // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* 1272 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[XPTR2]]) 1273 // CHECK-NEXT: ret void 1274} 1275 1276// rdar://problem/9784964 1277@interface Test57 1278@property (nonatomic, strong) id strong; 1279@property (nonatomic, weak) id weak; 1280@property (nonatomic, unsafe_unretained) id unsafe; 1281@end 1282@implementation Test57 1283@synthesize strong, weak, unsafe; 1284@end 1285// CHECK: define internal i8* @"\01-[Test57 strong]"( 1286// CHECK: [[T0:%.*]] = load [[TEST57:%.*]]*, [[TEST57:%.*]]** {{%.*}} 1287// CHECK-NEXT: [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test57.strong" 1288// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST57]]* [[T0]] to i8* 1289// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]] 1290// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** 1291// CHECK-NEXT: [[T5:%.*]] = load i8*, i8** [[T4]] 1292// CHECK-NEXT: ret i8* [[T5]] 1293 1294// CHECK: define internal i8* @"\01-[Test57 weak]"( 1295// CHECK: [[T0:%.*]] = load [[TEST57]]*, [[TEST57]]** {{%.*}} 1296// CHECK-NEXT: [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test57.weak" 1297// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST57]]* [[T0]] to i8* 1298// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]] 1299// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** 1300// CHECK-NEXT: [[T5:%.*]] = call i8* @objc_loadWeakRetained(i8** [[T4]]) 1301// CHECK-NEXT: [[T6:%.*]] = tail call i8* @objc_autoreleaseReturnValue(i8* [[T5]]) 1302// CHECK-NEXT: ret i8* [[T6]] 1303 1304// CHECK: define internal i8* @"\01-[Test57 unsafe]"( 1305// CHECK: [[T0:%.*]] = load [[TEST57]]*, [[TEST57]]** {{%.*}} 1306// CHECK-NEXT: [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test57.unsafe" 1307// CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST57]]* [[T0]] to i8* 1308// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]] 1309// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** 1310// CHECK-NEXT: [[T5:%.*]] = load i8*, i8** [[T4]] 1311// CHECK-NEXT: ret i8* [[T5]] 1312 1313// rdar://problem/9842343 1314void test59(void) { 1315 extern id test59_getlock(void); 1316 extern void test59_body(void); 1317 @synchronized (test59_getlock()) { 1318 test59_body(); 1319 } 1320 1321 // CHECK-LABEL: define void @test59() 1322 // CHECK: [[T0:%.*]] = call i8* @test59_getlock() 1323 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 1324 // CHECK-NEXT: call i32 @objc_sync_enter(i8* [[T1]]) 1325 // CHECK-NEXT: call void @test59_body() 1326 // CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T1]]) 1327 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 1328 // CHECK-NEXT: ret void 1329} 1330 1331// Verify that we don't try to reclaim the result of performSelector. 1332// rdar://problem/9887545 1333@interface Test61 1334- (id) performSelector: (SEL) selector; 1335- (void) test61_void; 1336- (id) test61_id; 1337@end 1338void test61(void) { 1339 // CHECK-LABEL: define void @test61() 1340 // CHECK: [[Y:%.*]] = alloca i8*, align 8 1341 1342 extern id test61_make(void); 1343 1344 // CHECK-NEXT: [[T0:%.*]] = call i8* @test61_make() 1345 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 1346 // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 1347 // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 1348 // CHECK-NEXT: [[T4:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i8*)*)(i8* [[T1]], i8* [[T3]], i8* [[T2]]) 1349 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 1350 [test61_make() performSelector: @selector(test61_void)]; 1351 1352 // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* 1353 // CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[YPTR1]]) 1354 // CHECK-NEXT: [[T0:%.*]] = call i8* @test61_make() 1355 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 1356 // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 1357 // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ 1358 // CHECK-NEXT: [[T4:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i8*)*)(i8* [[T1]], i8* [[T3]], i8* [[T2]]) 1359 // CHECK-NEXT: [[T5:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T4]]) 1360 // CHECK-NEXT: store i8* [[T5]], i8** [[Y]] 1361 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) 1362 id y = [test61_make() performSelector: @selector(test61_id)]; 1363 1364 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]] 1365 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) 1366 // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* 1367 // CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[YPTR2]]) 1368 // CHECK-NEXT: ret void 1369} 1370 1371// rdar://problem/9891815 1372void test62(void) { 1373 // CHECK-LABEL: define void @test62() 1374 // CHECK: [[I:%.*]] = alloca i32, align 4 1375 // CHECK-NEXT: [[CLEANUP_VALUE:%.*]] = alloca i8* 1376 // CHECK-NEXT: [[CLEANUP_REQUIRED:%.*]] = alloca i1 1377 extern id test62_make(void); 1378 extern void test62_body(void); 1379 1380 // CHECK-NEXT: [[IPTR:%.*]] = bitcast i32* [[I]] to i8* 1381 // CHECK-NEXT: call void @llvm.lifetime.start(i64 4, i8* [[IPTR]]) 1382 // CHECK-NEXT: store i32 0, i32* [[I]], align 4 1383 // CHECK-NEXT: br label 1384 1385 // CHECK: [[T0:%.*]] = load i32, i32* [[I]], align 4 1386 // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 20 1387 // CHECK-NEXT: br i1 [[T1]], 1388 1389 for (unsigned i = 0; i != 20; ++i) { 1390 // CHECK: [[T0:%.*]] = load i32, i32* [[I]], align 4 1391 // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0 1392 // CHECK-NEXT: store i1 false, i1* [[CLEANUP_REQUIRED]] 1393 // CHECK-NEXT: br i1 [[T1]], 1394 // CHECK: [[T0:%.*]] = call i8* @test62_make() 1395 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 1396 // CHECK-NEXT: store i8* [[T1]], i8** [[CLEANUP_VALUE]] 1397 // CHECK-NEXT: store i1 true, i1* [[CLEANUP_REQUIRED]] 1398 // CHECK-NEXT: [[T2:%.*]] = icmp ne i8* [[T1]], null 1399 // CHECK-NEXT: br label 1400 // CHECK: [[COND:%.*]] = phi i1 [ false, {{%.*}} ], [ [[T2]], {{%.*}} ] 1401 // CHECK-NEXT: [[T0:%.*]] = load i1, i1* [[CLEANUP_REQUIRED]] 1402 // CHECK-NEXT: br i1 [[T0]], 1403 // CHECK: [[T0:%.*]] = load i8*, i8** [[CLEANUP_VALUE]] 1404 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) 1405 // CHECK-NEXT: br label 1406 // CHECK: br i1 [[COND]] 1407 // CHECK: call void @test62_body() 1408 // CHECK-NEXT: br label 1409 // CHECK: br label 1410 if (i != 0 && test62_make() != 0) 1411 test62_body(); 1412 } 1413 1414 // CHECK: [[T0:%.*]] = load i32, i32* [[I]], align 4 1415 // CHECK-NEXT: [[T1:%.*]] = add i32 [[T0]], 1 1416 // CHECK-NEXT: store i32 [[T1]], i32* [[I]] 1417 // CHECK-NEXT: br label 1418 1419 // CHECK: ret void 1420} 1421 1422// rdar://9971982 1423@class NSString; 1424 1425@interface Person { 1426 NSString *name; 1427} 1428@property NSString *address; 1429@end 1430 1431@implementation Person 1432@synthesize address; 1433@end 1434// CHECK: tail call i8* @objc_getProperty 1435// CHECK: call void @objc_setProperty 1436 1437// Verify that we successfully parse and preserve this attribute in 1438// this position. 1439@interface Test66 1440- (void) consume: (id __attribute__((ns_consumed))) ptr; 1441@end 1442void test66(void) { 1443 extern Test66 *test66_receiver(void); 1444 extern id test66_arg(void); 1445 [test66_receiver() consume: test66_arg()]; 1446} 1447// CHECK-LABEL: define void @test66() 1448// CHECK: [[T0:%.*]] = call [[TEST66:%.*]]* @test66_receiver() 1449// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST66]]* [[T0]] to i8* 1450// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]]) 1451// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST66]]* 1452// CHECK-NEXT: [[T4:%.*]] = call i8* @test66_arg() 1453// CHECK-NEXT: [[T5:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T4]]) 1454// CHECK-NEXT: [[T6:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES 1455// CHECK-NEXT: [[T7:%.*]] = bitcast [[TEST66]]* [[T3]] to i8* 1456// CHECK-NEXT: [[SIX:%.*]] = icmp eq i8* [[T7]], null 1457// CHECK-NEXT: br i1 [[SIX]], label [[NULINIT:%.*]], label [[CALL:%.*]] 1458// CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, i8*)*)(i8* [[T7]], i8* [[T6]], i8* [[T5]]) 1459// CHECK-NEXT: br label [[CONT:%.*]] 1460// CHECK: call void @objc_release(i8* [[T5]]) [[NUW]] 1461// CHECK-NEXT: br label [[CONT:%.*]] 1462// CHECK: [[T8:%.*]] = bitcast [[TEST66]]* [[T3]] to i8* 1463// CHECK-NEXT: call void @objc_release(i8* [[T8]]) 1464// CHECK-NEXT: ret void 1465 1466// rdar://problem/9953540 1467Class test67_helper(void); 1468void test67(void) { 1469 Class cl = test67_helper(); 1470} 1471// CHECK-LABEL: define void @test67() 1472// CHECK: [[CL:%.*]] = alloca i8*, align 8 1473// CHECK-NEXT: [[CLPTR1:%.*]] = bitcast i8** [[CL]] to i8* 1474// CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[CLPTR1]]) 1475// CHECK-NEXT: [[T0:%.*]] = call i8* @test67_helper() 1476// CHECK-NEXT: store i8* [[T0]], i8** [[CL]], align 8 1477// CHECK-NEXT: [[CLPTR2:%.*]] = bitcast i8** [[CL]] to i8* 1478// CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[CLPTR2]]) 1479// CHECK-NEXT: ret void 1480 1481Class test68_helper(void); 1482void test68(void) { 1483 __strong Class cl = test67_helper(); 1484} 1485// CHECK-LABEL: define void @test68() 1486// CHECK: [[CL:%.*]] = alloca i8*, align 8 1487// CHECK-NEXT: [[CLPTR1:%.*]] = bitcast i8** [[CL]] to i8* 1488// CHECK-NEXT: call void @llvm.lifetime.start(i64 8, i8* [[CLPTR1]]) 1489// CHECK-NEXT: [[T0:%.*]] = call i8* @test67_helper() 1490// CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) 1491// CHECK-NEXT: store i8* [[T1]], i8** [[CL]], align 8 1492// CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[CL]] 1493// CHECK-NEXT: call void @objc_release(i8* [[T2]]) 1494// CHECK-NEXT: [[CLPTR2:%.*]] = bitcast i8** [[CL]] to i8* 1495// CHECK-NEXT: call void @llvm.lifetime.end(i64 8, i8* [[CLPTR2]]) 1496// CHECK-NEXT: ret void 1497 1498// rdar://problem/10564852 1499@interface Test69 @end 1500@implementation Test69 1501- (id) foo { return self; } 1502@end 1503// CHECK: define internal i8* @"\01-[Test69 foo]"( 1504// CHECK: [[SELF:%.*]] = alloca [[TEST69:%.*]]*, align 8 1505// CHECK: [[T0:%.*]] = load [[TEST69]]*, [[TEST69]]** [[SELF]], align 8 1506// CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST69]]* [[T0]] to i8* 1507// CHECK-NEXT: ret i8* [[T1]] 1508 1509// rdar://problem/10907547 1510void test70(id i) { 1511 // CHECK-LABEL: define void @test70 1512 // CHECK: store i8* null, i8** 1513 // CHECK: store i8* null, i8** 1514 // CHECK: [[ID:%.*]] = call i8* @objc_retain(i8* 1515 // CHECK: store i8* [[ID]], i8** 1516 id x[3] = { 1517 [2] = i 1518 }; 1519} 1520 1521// ARC-ALIEN: attributes [[NLB]] = { nonlazybind } 1522// ARC-NATIVE: attributes [[NLB]] = { nonlazybind } 1523// CHECK: attributes [[NUW]] = { nounwind } 1524