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
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
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*)
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*)
35 // CHECK-LABEL: define void @test0
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
45 // CHECK-LABEL: define i8* @test1(i8*
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]]
69 + (void) class_method;
74 // The self pointer of a class method is not retained.
75 // CHECK: define internal void @"\01+[Test2 class_method]"
80 // CHECK-NEXT: ret void
81 + (void) class_method {}
83 // The self pointer of an instance method is not retained.
84 // CHECK: define internal void @"\01-[Test2 inst_method]"
89 // CHECK-NEXT: ret void
90 - (void) inst_method {}
95 - (id) initWith: (int) x;
99 // CHECK-LABEL: define void @test3_unelided()
100 void test3_unelided() {
101 extern void test3_helper(void);
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
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*
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]+]]
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
134 // CHECK-LABEL: define void @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]])
140 id x = [[Test3 alloc] initWith: 5];
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
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]]
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]],
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]]
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
178 // CHECK-LABEL: define i8* @test4()
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
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]],
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]])
198 // CHECK-NEXT: ret i8* [[RET]]
200 return [[Test3 alloc] initWith: 6];
209 // CHECK-LABEL: define void @test5
210 void test5(Test5 *x, id y) {
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
221 // CHECK-NEXT: load [[TEST5]]*, [[TEST5]]** [[X]]
222 // CHECK-NEXT: load i64, i64* @"OBJC_IVAR_$_Test5.var"
223 // CHECK-NEXT: bitcast
224 // CHECK-NEXT: getelementptr
225 // CHECK-NEXT: [[VAR:%.*]] = bitcast
226 // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[VAR]]
227 // CHECK-NEXT: store i8* null, i8** [[VAR]]
228 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) [[NUW]]
231 // CHECK-NEXT: [[YVAL:%.*]] = load i8*, i8** [[Y]]
232 // CHECK-NEXT: load [[TEST5]]*, [[TEST5]]** [[X]]
233 // CHECK-NEXT: load i64, i64* @"OBJC_IVAR_$_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]]
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
252 id test6_helper(void) __attribute__((ns_returns_retained));
253 // CHECK-LABEL: define void @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();
268 void test7_helper(id __attribute__((ns_consumed)));
269 // CHECK-LABEL: define void @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
287 id test8_helper(void) __attribute__((ns_returns_retained));
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
302 @property (retain) Test10 *me;
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
345 void 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
364 extern id test12_helper(void);
366 // CHECK-LABEL: define void @test12()
367 // CHECK: [[X:%.*]] = alloca i8*, align
368 // CHECK-NEXT: [[Y:%.*]] = alloca i8*, align
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]])
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]])
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
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]])
400 // Indirect consuming calls.
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
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]])
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]])
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
436 @interface Test16_super @end
437 @interface Test16 : Test16_super {
440 @property (assign) int x;
441 @property (retain) id y;
444 @implementation Test16
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]]
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_$_
461 // CHECK-NEXT: bitcast
462 // CHECK-NEXT: getelementptr
464 // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_
465 // CHECK-NEXT: call void bitcast (i8* ({{.*}})* @objc_msgSendSuper2 to void (
466 // CHECK-NEXT: ret void
470 // CHECK: define internal void @"\01-[Test16 .cxx_destruct]"(
471 // CHECK: [[SELF:%.*]] = alloca [[TEST16:%.*]]*, align
472 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align
473 // CHECK-NEXT: store [[TEST16]]* {{%.*}}, [[TEST16]]** [[SELF]], align
474 // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
475 // CHECK-NEXT: [[BASE:%.*]] = load [[TEST16]]*, [[TEST16]]** [[SELF]]
478 // CHECK-NEXT: [[Y_OFF:%.*]] = load i64, i64* @"OBJC_IVAR_$_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]]
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]]
491 // CHECK-NEXT: ret void
495 // This shouldn't crash.
497 @property (assign) int x;
499 @interface Test17B : Test17A
501 @implementation Test17B
502 - (int) x { return super.x + 1; }
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)
513 extern id test19_helper(void);
514 x[2] = test19_helper();
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]], i32 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]]
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
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]],
537 void 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
545 // Capture the VLA size.
546 // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[N]], align 4
547 // CHECK-NEXT: [[DIM:%.*]] = zext i32 [[T0]] to i64
549 // Save the stack pointer.
550 // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.stacksave()
551 // CHECK-NEXT: store i8* [[T0]], i8** [[SAVED_STACK]]
554 // CHECK-NEXT: [[VLA:%.*]] = alloca i8*, i64 [[DIM]], align 16
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 8, i1 false)
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]]
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]],
573 // CHECK: [[T0:%.*]] = load i8*, i8** [[SAVED_STACK]]
574 // CHECK-NEXT: call void @llvm.stackrestore(i8* [[T0]])
575 // CHECK-NEXT: ret void
578 void 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
586 // Capture the VLA size.
587 // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[N]], align 4
588 // CHECK-NEXT: [[DIM:%.*]] = zext i32 [[T0]] to i64
590 // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.stacksave()
591 // CHECK-NEXT: store i8* [[T0]], i8** [[SAVED_STACK]]
595 // CHECK-NEXT: [[T0:%.*]] = mul nuw i64 2, [[DIM]]
596 // CHECK-NEXT: [[VLA:%.*]] = alloca [3 x i8*], i64 [[T0]], align 16
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 8, i1 false)
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]]
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]],
619 // CHECK: [[T0:%.*]] = load i8*, i8** [[SAVED_STACK]]
620 // CHECK-NEXT: call void @llvm.stackrestore(i8* [[T0]])
621 // CHECK-NEXT: ret void
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
633 // CHECK-GLOBALS: @"\01l_OBJC_CLASS_RO_$_Test24" = private global [[RO_T:%.*]] { i32 130,
634 @interface Test24 {} @end
635 @implementation Test24 @end
637 // rdar://problem/8941012
638 @interface Test26 { id x[4]; } @end
639 @implementation Test26 @end
640 // CHECK: define internal void @"\01-[Test26 .cxx_destruct]"(
641 // CHECK: [[SELF:%.*]] = load [[TEST26:%.*]]*, [[TEST26:%.*]]**
642 // CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_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]],
656 // Check that 'init' retains self.
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]]
679 // rdar://problem/8087194
681 @property (copy) id prop;
683 @implementation Test28
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
695 @interface Test29_super
696 - (id) initWithAllocator: (id) allocator;
698 @interface Test29 : Test29_super
700 - (id) initWithAllocator: (id) allocator;
702 @implementation Test29
703 static id _test29_allocator = 0;
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]]
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
716 // Implicit null of 'self', i.e. direct transfer of ownership.
717 // CHECK-NEXT: store [[TEST29]]* null, [[TEST29]]** [[SELF]]
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]])
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]]
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*
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
743 // CHECK-NEXT: ret i8* [[RET]]
744 return [self initWithAllocator: _test29_allocator];
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]]
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
762 // Implicit null of 'self', i.e. direct transfer of ownership.
763 // CHECK-NEXT: store [[TEST29]]* null, [[TEST29]]** [[SELF]]
765 // Actual message send.
766 // CHECK: [[CALL:%.*]] = call {{.*}} @objc_msgSendSuper2
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]]
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]])
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*
792 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ALLOCATOR]]
793 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) [[NUW]], !clang.imprecise_release
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
800 // CHECK-NEXT: ret i8* [[RET]]
801 self = [super initWithAllocator: allocator];
806 typedef struct Test30_helper Test30_helper;
809 - (Test30_helper*) initHelper;
811 @implementation Test30 {
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]]
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]])
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]]
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*
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]])
852 // CHECK-NEXT: ret i8* [[RET]]
853 self->helper = [self initHelper];
856 - (Test30_helper*) initHelper {
857 // CHECK: define internal [[TEST30_HELPER]]* @"\01-[Test30 initHelper]"(
859 // CHECK-NEXT: alloca
862 // CHECK-NEXT: ret [[TEST30_HELPER]]* null
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();
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;
885 void test33(Test33 *ptr) {
889 [ptr giveStrong: &a];
890 [ptr takeStrong: &a];
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
903 // CHECK-NEXT: bitcast
904 // CHECK-NEXT: call void @llvm.lifetime.start
905 // CHECK-NEXT: store [[A_T]]* null, [[A_T]]** [[A]]
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]])
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]])
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]])
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]])
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]])
965 // CHECK-NEXT: bitcast
966 // CHECK-NEXT: objc_release
967 // CHECK-NEXT: bitcast
968 // CHECK-NEXT: call void @llvm.lifetime.end
970 // CHECK-NEXT: bitcast
971 // CHECK-NEXT: objc_release
972 // CHECK-NEXT: ret void
976 // CHECK-LABEL: define void @test36
978 // CHECK: [[X:%.*]] = alloca i8*
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" };
985 // CHECK: [[T0:%.*]] = load i8*, i8** [[X]]
986 // CHECK-NEXT: store i8* null, i8** [[X]]
987 // CHECK-NEXT: call void @objc_release(i8* [[T0]])
991 // CHECK: call void @objc_release
994 // CHECK: call void @objc_release
995 // CHECK-NEXT: ret void
1000 extern void test37_helper(id *);
1002 test37_helper(&var);
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]]
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]])
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
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(
1046 @property (retain) id x;
1048 @implementation Test45
1051 // CHECK: define internal i8* @"\01-[Test45 x]"(
1052 // CHECK: [[CALL:%.*]] = tail call i8* @objc_getProperty(
1053 // CHECK-NEXT: ret i8* [[CALL]]
1055 // rdar://problem/9315552
1056 void test46(__weak id *wp, __weak volatile id *wvp) {
1057 extern id test46_helper(void);
1059 // TODO: this is sub-optimal, we should retain at the actual call site.
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();
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();
1080 // rdar://problem/9378887
1082 extern id test47_helper(void);
1083 id x = x = test47_helper();
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
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
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
1148 // CHECK: [[T0:%.*]] = call i8* @objc_retain
1149 // CHECK: call void @objc_release
1158 typedef struct CGPoint CGPoint;
1161 @property (assign) CGPoint point;
1168 // rdar://problem/9400398
1170 id test52_helper(int) __attribute__((ns_returns_retained));
1171 return ({ int x = 5; test52_helper(x); });
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]]
1189 // rdar://problem/9400644
1191 id test53_helper(void);
1192 id x = ({ id y = test53_helper(); y; });
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
1222 // <rdar://problem/9758798>
1223 // CHECK-LABEL: define void @test54(i32 %first, ...)
1224 void 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
1237 @interface Test55Base @end
1238 @interface Test55 : Test55Base @end
1239 @implementation Test55 (Category)
1242 // CHECK: define internal void @"\01-[Test55(Category) dealloc]"(
1244 // CHECK: call void bitcast (i8* ({{%.*}}*, i8*, ...)* @objc_msgSendSuper2 to void ({{%.*}}*, i8*)*)(
1246 // rdar://problem/8024350
1247 @protocol Test56Protocol
1248 + (id) make __attribute__((ns_returns_retained));
1250 @interface Test56<Test56Protocol> @end
1251 @implementation Test56
1252 // CHECK: define internal i8* @"\01+[Test56 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();
1261 void 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
1276 // rdar://problem/9784964
1278 @property (nonatomic, strong) id strong;
1279 @property (nonatomic, weak) id weak;
1280 @property (nonatomic, unsafe_unretained) id unsafe;
1282 @implementation Test57
1283 @synthesize strong, weak, unsafe;
1285 // CHECK: define internal i8* @"\01-[Test57 strong]"(
1286 // CHECK: [[T0:%.*]] = load [[TEST57:%.*]]*, [[TEST57:%.*]]** {{%.*}}
1287 // CHECK-NEXT: [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test57.strong"
1288 // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST57]]* [[T0]] to i8*
1289 // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]]
1290 // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8**
1291 // CHECK-NEXT: [[T5:%.*]] = load i8*, i8** [[T4]]
1292 // CHECK-NEXT: ret i8* [[T5]]
1294 // CHECK: define internal i8* @"\01-[Test57 weak]"(
1295 // CHECK: [[T0:%.*]] = load [[TEST57]]*, [[TEST57]]** {{%.*}}
1296 // CHECK-NEXT: [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_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]]
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]]
1313 // rdar://problem/9842343
1315 extern id test59_getlock(void);
1316 extern void test59_body(void);
1317 @synchronized (test59_getlock()) {
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
1331 // Verify that we don't try to reclaim the result of performSelector.
1332 // rdar://problem/9887545
1334 - (id) performSelector: (SEL) selector;
1335 - (void) test61_void;
1339 // CHECK-LABEL: define void @test61()
1340 // CHECK: [[Y:%.*]] = alloca i8*, align 8
1342 extern id test61_make(void);
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)];
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)];
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
1371 // rdar://problem/9891815
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);
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
1385 // CHECK: [[T0:%.*]] = load i32, i32* [[I]], align 4
1386 // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 20
1387 // CHECK-NEXT: br i1 [[T1]],
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
1410 if (i != 0 && test62_make() != 0)
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
1428 @property NSString *address;
1431 @implementation Person
1432 @synthesize address;
1434 // CHECK: tail call i8* @objc_getProperty
1435 // CHECK: call void @objc_setProperty
1437 // Verify that we successfully parse and preserve this attribute in
1440 - (void) consume: (id __attribute__((ns_consumed))) ptr;
1443 extern Test66 *test66_receiver(void);
1444 extern id test66_arg(void);
1445 [test66_receiver() consume: test66_arg()];
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
1466 // rdar://problem/9953540
1467 Class test67_helper(void);
1469 Class cl = test67_helper();
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
1481 Class test68_helper(void);
1483 __strong Class cl = test67_helper();
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
1498 // rdar://problem/10564852
1499 @interface Test69 @end
1500 @implementation Test69
1501 - (id) foo { return self; }
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]]
1509 // rdar://problem/10907547
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**
1521 // ARC-ALIEN: attributes [[NLB]] = { nonlazybind }
1522 // ARC-NATIVE: attributes [[NLB]] = { nonlazybind }
1523 // CHECK: attributes [[NUW]] = { nounwind }