1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-nonfragile-abi -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 -fobjc-nonfragile-abi -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=CHECK-GLOBALS %s
4 // CHECK: define void @test0
6 // CHECK: [[X:%.*]] = alloca i8*
7 // CHECK-NEXT: [[PARM:%.*]] = call i8* @objc_retain(i8* {{.*}})
8 // CHECK-NEXT: store i8* [[PARM]], i8** [[X]]
9 // CHECK-NEXT: [[TMP:%.*]] = load i8** [[X]]
10 // CHECK-NEXT: call void @objc_release(i8* [[TMP]])
11 // CHECK-NEXT: ret void
14 // CHECK: define i8* @test1(i8*
16 // CHECK: [[RET:%.*]] = alloca i8*
17 // CHECK-NEXT: [[X:%.*]] = alloca i8*
18 // CHECK-NEXT: [[Y:%.*]] = alloca i8*
19 // CHECK-NEXT: alloca i32
20 // CHECK-NEXT: [[PARM:%.*]] = call i8* @objc_retain(i8* {{%.*}})
21 // CHECK-NEXT: store i8* [[PARM]], i8** [[X]]
22 // CHECK-NEXT: store i8* null, i8** [[Y]]
23 // CHECK-NEXT: [[T0:%.*]] = load i8** [[Y]]
24 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]])
25 // CHECK-NEXT: store i8* [[T1]], i8** [[RET]]
26 // CHECK-NEXT: store i32
27 // CHECK-NEXT: [[T0:%.*]] = load i8** [[Y]]
28 // CHECK-NEXT: call void @objc_release(i8* [[T0]])
29 // CHECK-NEXT: [[T1:%.*]] = load i8** [[X]]
30 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
31 // CHECK-NEXT: [[T0:%.*]] = load i8** [[RET]]
32 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_autoreleaseReturnValue(i8* [[T0]])
33 // CHECK-NEXT: ret i8* [[T1]]
39 + (void) class_method;
44 // The self pointer of a class method is not retained.
45 // CHECK: define internal void @"\01+[Test2 class_method]"
50 // CHECK-NEXT: ret void
51 + (void) class_method {}
53 // The self pointer of an instance method is not retained.
54 // CHECK: define internal void @"\01-[Test2 inst_method]"
59 // CHECK-NEXT: ret void
60 - (void) inst_method {}
65 - (id) initWith: (int) x;
69 // CHECK: define void @test3_unelided()
70 void test3_unelided() {
71 extern void test3_helper(void);
73 // CHECK: [[X:%.*]] = alloca [[TEST3:%.*]]*
74 // CHECK-NEXT: store [[TEST3]]* null, [[TEST3]]** [[X]], align
78 // CHECK-NEXT: load {{.*}}* @"\01L_OBJC_CLASSLIST_REFERENCES_
79 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
80 // CHECK-NEXT: bitcast
81 // CHECK-NEXT: [[ALLOC:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend
82 // CHECK-NEXT: bitcast
83 // CHECK-NEXT: bitcast
84 // CHECK-NEXT: call void @objc_release(i8*
87 // CHECK-NEXT: [[T0:%.*]] = load [[TEST3]]** [[X]]
88 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
89 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST3]]* [[T0]] to i8*
90 // CHECK-NEXT: [[COPY:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend {{.*}})(i8* [[T1]],
91 // CHECK-NEXT: call void @objc_release(i8* [[COPY]]) nounwind
94 // CHECK-NEXT: [[T0:%.*]] = load [[TEST3]]** [[X]]
95 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST3]]* [[T0]] to i8*
96 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) nounwind
97 // CHECK-NEXT: ret void
100 // CHECK: define void @test3()
102 // CHECK: [[X:%.*]] = alloca i8*
104 id x = [[Test3 alloc] initWith: 5];
107 // CHECK-NEXT: load {{.*}}* @"\01L_OBJC_CLASSLIST_REFERENCES_
108 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
109 // CHECK-NEXT: bitcast
110 // CHECK-NEXT: [[ALLOC:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend
111 // CHECK-NEXT: bitcast
113 // Call to -initWith: with elided retain of consumed argument.
114 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
115 // CHECK-NEXT: bitcast
116 // CHECK-NEXT: [[INIT:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i32)*)(i8*
117 // CHECK-NEXT: bitcast
118 // CHECK-NEXT: [[INIT:%.*]] = bitcast
119 // Assignment for initialization, retention elided.
120 // CHECK-NEXT: store i8* [[INIT]], i8** [[X]]
123 // CHECK-NEXT: [[V:%.*]] = load i8** [[X]]
124 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
125 // CHECK-NEXT: [[COPY:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend {{.*}})(i8* [[V]],
128 // CHECK-NEXT: [[TMP:%.*]] = load i8** [[X]]
129 // CHECK-NEXT: store i8* [[COPY]], i8** [[X]]
130 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) nounwind
135 // CHECK-NEXT: [[TMP:%.*]] = load i8** [[X]]
136 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) nounwind
138 // CHECK-NEXT: ret void
141 // CHECK: define i8* @test4()
144 // CHECK: load {{.*}}* @"\01L_OBJC_CLASSLIST_REFERENCES_
145 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
146 // CHECK-NEXT: bitcast
147 // CHECK-NEXT: [[ALLOC:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend
148 // CHECK-NEXT: [[ALLOC:%.*]] = bitcast
150 // Call to -initWith: with elided retain of consumed argument.
151 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
152 // CHECK-NEXT: [[ALLOC:%.*]] = bitcast
153 // CHECK-NEXT: [[INIT:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i32)*)(i8* [[ALLOC]],
155 // Initialization of return value, occuring within full-expression.
156 // Retain/release elided.
157 // CHECK-NEXT: bitcast
158 // CHECK-NEXT: [[INIT:%.*]] = bitcast
159 // CHECK-NEXT: [[RET:%.*]] = call i8* @objc_autoreleaseReturnValue(i8* [[INIT]])
161 // CHECK-NEXT: ret i8* [[RET]]
163 return [[Test3 alloc] initWith: 6];
172 // CHECK: define void @test5
173 void test5(Test5 *x, id y) {
175 // CHECK: [[X:%.*]] = alloca [[TEST5:%.*]]*,
176 // CHECK-NEXT: [[Y:%.*]] = alloca i8*
177 // CHECK-NEXT: bitcast [[TEST5]]* {{%.*}} to i8*
178 // CHECK-NEXT: call i8* @objc_retain
179 // CHECK-NEXT: [[PARMX:%.*]] = bitcast i8* {{%.*}} to [[TEST5]]*
180 // CHECK-NEXT: store [[TEST5]]* [[PARMX]], [[TEST5]]** [[X]]
181 // CHECK-NEXT: call i8* @objc_retain
184 // CHECK-NEXT: load [[TEST5]]** [[X]]
185 // CHECK-NEXT: load i64* @"OBJC_IVAR_$_Test5.var"
186 // CHECK-NEXT: bitcast
187 // CHECK-NEXT: getelementptr
188 // CHECK-NEXT: [[VAR:%.*]] = bitcast
189 // CHECK-NEXT: [[TMP:%.*]] = load i8** [[VAR]]
190 // CHECK-NEXT: store i8* null, i8** [[VAR]]
191 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) nounwind
194 // CHECK-NEXT: [[YVAL:%.*]] = load i8** [[Y]]
195 // CHECK-NEXT: load [[TEST5]]** [[X]]
196 // CHECK-NEXT: load i64* @"OBJC_IVAR_$_Test5.var"
197 // CHECK-NEXT: bitcast
198 // CHECK-NEXT: getelementptr
199 // CHECK-NEXT: [[VAR:%.*]] = bitcast
200 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* [[YVAL]]) nounwind
201 // CHECK-NEXT: [[TMP:%.*]] = load i8** [[VAR]]
202 // CHECK-NEXT: store i8* [[T0]], i8** [[VAR]]
203 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) nounwind
207 // CHECK-NEXT: [[TMP:%.*]] = load i8** [[Y]]
208 // CHECK-NEXT: call void @objc_release(i8* [[TMP]]) nounwind
209 // CHECK-NEXT: [[T0:%.*]] = load [[TEST5]]** [[X]]
210 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST5]]* [[T0]] to i8*
211 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) nounwind
212 // CHECK-NEXT: ret void
215 id test6_helper(void) __attribute__((ns_returns_retained));
216 // CHECK: define void @test6()
218 // CHECK: [[X:%.*]] = alloca i8*
219 // CHECK-NEXT: [[CALL:%.*]] = call i8* @test6_helper()
220 // CHECK-NEXT: store i8* [[CALL]], i8** [[X]]
221 // CHECK-NEXT: [[T1:%.*]] = load i8** [[X]]
222 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) nounwind, !clang.imprecise_release
223 // CHECK-NEXT: ret void
224 id x = test6_helper();
227 void test7_helper(id __attribute__((ns_consumed)));
228 // CHECK: define void @test7()
230 // CHECK: [[X:%.*]] = alloca i8*
231 // CHECK-NEXT: store i8* null, i8** [[X]]
232 // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]]
233 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) nounwind
234 // CHECK-NEXT: call void @test7_helper(i8* [[T1]])
235 // CHECK-NEXT: [[T1:%.*]] = load i8** [[X]]
236 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) nounwind, !clang.imprecise_release
237 // CHECK-NEXT: ret void
242 id test8_helper(void) __attribute__((ns_returns_retained));
244 __unsafe_unretained id x = test8_helper();
245 // CHECK: [[X:%.*]] = alloca i8*
246 // CHECK-NEXT: [[T0:%.*]] = call i8* @test8_helper()
247 // CHECK-NEXT: store i8* [[T0]], i8** [[X]]
248 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind
249 // CHECK-NOT: imprecise_release
250 // CHECK-NEXT: ret void
253 id test9_helper(void) __attribute__((ns_returns_retained));
255 id x __attribute__((objc_precise_lifetime)) = test9_helper();
257 // CHECK: [[X:%.*]] = alloca i8*
258 // CHECK-NEXT: [[CALL:%.*]] = call i8* @test9_helper()
259 // CHECK-NEXT: store i8* [[CALL]], i8** [[X]]
261 // CHECK-NEXT: [[T1:%.*]] = load i8** [[X]]
262 // CHECK-NEXT: store i8* null, i8** [[X]]
263 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) nounwind, !clang.imprecise_release
265 // CHECK-NEXT: [[T1:%.*]] = load i8** [[X]]
266 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) nounwind
267 // CHECK-NOT: clang.imprecise_release
269 // CHECK-NEXT: ret void
273 @property (retain) Test10 *me;
279 // CHECK: define void @test10()
280 // CHECK: [[X:%.*]] = alloca [[TEST10:%.*]]*, align
281 // CHECK-NEXT: [[Y:%.*]] = alloca i8*, align
282 // CHECK-NEXT: store [[TEST10]]* null, [[TEST10]]** [[X]]
283 // CHECK-NEXT: load [[TEST10]]** [[X]], align
284 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_{{[0-9]*}}"
285 // CHECK-NEXT: bitcast
286 // CHECK-NEXT: [[T0:%.*]] = call [[TEST10]]* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend
287 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8*
288 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
289 // CHECK-NEXT: [[V:%.*]] = bitcast i8* [[T2]] to [[TEST10]]*
290 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_{{[0-9]*}}"
291 // CHECK-NEXT: bitcast
292 // CHECK-NEXT: [[T0:%.*]] = call [[TEST10]]* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend
293 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8*
294 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
295 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST10]]*
296 // CHECK-NEXT: [[T4:%.*]] = bitcast [[TEST10]]* [[T3]] to i8*
297 // CHECK-NEXT: store i8* [[T4]], i8** [[Y]]
298 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST10]]* [[V]] to i8*
299 // CHECK-NEXT: call void @objc_release(i8* [[T0]])
300 // CHECK-NEXT: [[T0:%.*]] = load i8** [[Y]]
301 // CHECK-NEXT: call void @objc_release(i8* [[T0]])
302 // CHECK-NEXT: [[T0:%.*]] = load [[TEST10]]** [[X]]
303 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8*
304 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
305 // CHECK-NEXT: ret void
308 void test11(id (*f)(void) __attribute__((ns_returns_retained))) {
309 // CHECK: define void @test11(
310 // CHECK: [[F:%.*]] = alloca i8* ()*, align
311 // CHECK-NEXT: [[X:%.*]] = alloca i8*, align
312 // CHECK-NEXT: store i8* ()* {{%.*}}, i8* ()** [[F]], align
313 // CHECK-NEXT: [[T0:%.*]] = load i8* ()** [[F]], align
314 // CHECK-NEXT: [[T1:%.*]] = call i8* [[T0]]()
315 // CHECK-NEXT: store i8* [[T1]], i8** [[X]], align
316 // CHECK-NEXT: [[T3:%.*]] = load i8** [[X]]
317 // CHECK-NEXT: call void @objc_release(i8* [[T3]]) nounwind, !clang.imprecise_release
318 // CHECK-NEXT: ret void
323 extern id test12_helper(void);
325 // CHECK: define void @test12()
326 // CHECK: [[X:%.*]] = alloca i8*, align
327 // CHECK-NEXT: [[Y:%.*]] = alloca i8*, align
329 __weak id x = test12_helper();
330 // CHECK-NEXT: [[T0:%.*]] = call i8* @test12_helper()
331 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]])
332 // CHECK-NEXT: call i8* @objc_initWeak(i8** [[X]], i8* [[T1]])
333 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
336 // CHECK-NEXT: [[T0:%.*]] = call i8* @test12_helper()
337 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]])
338 // CHECK-NEXT: call i8* @objc_storeWeak(i8** [[X]], i8* [[T1]])
339 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
342 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_loadWeakRetained(i8** [[X]])
343 // CHECK-NEXT: store i8* [[T2]], i8** [[Y]], align
345 // CHECK-NEXT: [[T4:%.*]] = load i8** [[Y]]
346 // CHECK-NEXT: call void @objc_release(i8* [[T4]]) nounwind, !clang.imprecise_release
347 // CHECK-NEXT: call void @objc_destroyWeak(i8** [[X]])
348 // CHECK-NEXT: ret void
351 // Indirect consuming calls.
353 // CHECK: define void @test13()
354 // CHECK: [[X:%.*]] = alloca i8*, align
355 // CHECK-NEXT: store i8* null, i8** [[X]], align
358 typedef void fnty(id __attribute__((ns_consumed)));
359 extern fnty *test13_func;
360 // CHECK-NEXT: [[FN:%.*]] = load void (i8*)** @test13_func, align
361 // CHECK-NEXT: [[X_VAL:%.*]] = load i8** [[X]], align
362 // CHECK-NEXT: [[X_TMP:%.*]] = call i8* @objc_retain(i8* [[X_VAL]]) nounwind
363 // CHECK-NEXT: call void [[FN]](i8* [[X_TMP]])
366 extern fnty ^test13_block;
367 // CHECK-NEXT: [[TMP:%.*]] = load void (i8*)** @test13_block, align
368 // CHECK-NEXT: [[BLOCK:%.*]] = bitcast void (i8*)* [[TMP]] to [[BLOCKTY:%.*]]*
369 // CHECK-NEXT: [[BLOCK_FN_PTR:%.*]] = getelementptr inbounds [[BLOCKTY]]* [[BLOCK]], i32 0, i32 3
370 // CHECK-NEXT: [[BLOCK_OPAQUE:%.*]] = bitcast [[BLOCKTY]]* [[BLOCK]] to i8*
371 // CHECK-NEXT: [[X_VAL:%.*]] = load i8** [[X]], align
372 // CHECK-NEXT: [[X_TMP:%.*]] = call i8* @objc_retain(i8* [[X_VAL]]) nounwind
373 // CHECK-NEXT: [[BLOCK_FN_TMP:%.*]] = load i8** [[BLOCK_FN_PTR]]
374 // CHECK-NEXT: [[BLOCK_FN:%.*]] = bitcast i8* [[BLOCK_FN_TMP]] to void (i8*, i8*)*
375 // CHECK-NEXT: call void [[BLOCK_FN]](i8* [[BLOCK_OPAQUE]], i8* [[X_TMP]])
378 // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]]
379 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind
380 // CHECK-NEXT: ret void
383 @interface Test16_super @end
384 @interface Test16 : Test16_super {
387 @property (assign) int x;
388 @property (retain) id y;
391 @implementation Test16
395 // CHECK: define internal void @"\01-[Test16 dealloc]"(
396 // CHECK: [[SELF:%.*]] = alloca [[TEST16:%.*]]*, align
397 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align
398 // CHECK-NEXT: alloca
399 // CHECK-NEXT: store [[TEST16]]* {{%.*}}, [[TEST16]]** [[SELF]], align
400 // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
401 // CHECK-NEXT: [[BASE:%.*]] = load [[TEST16]]** [[SELF]]
404 // CHECK-NEXT: [[BASE2:%.*]] = bitcast [[TEST16]]* [[BASE]] to i8*
405 // CHECK-NEXT: [[T0:%.*]] = getelementptr
406 // CHECK-NEXT: store i8* [[BASE2]], i8** [[T0]]
407 // CHECK-NEXT: load {{%.*}}** @"\01L_OBJC_CLASSLIST_SUP_REFS_$_
408 // CHECK-NEXT: bitcast
409 // CHECK-NEXT: getelementptr
411 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
412 // CHECK-NEXT: call void bitcast (i8* ({{.*}})* @objc_msgSendSuper2 to void (
413 // CHECK-NEXT: ret void
417 // CHECK: define internal void @"\01-[Test16 .cxx_destruct]"(
418 // CHECK: [[SELF:%.*]] = alloca [[TEST16:%.*]]*, align
419 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align
420 // CHECK-NEXT: store [[TEST16]]* {{%.*}}, [[TEST16]]** [[SELF]], align
421 // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
422 // CHECK-NEXT: [[BASE:%.*]] = load [[TEST16]]** [[SELF]]
425 // CHECK-NEXT: [[Y_OFF:%.*]] = load i64* @"OBJC_IVAR_$_Test16.y"
426 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST16]]* [[BASE]] to i8*
427 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[T0]], i64 [[Y_OFF]]
428 // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to i8**
429 // CHECK-NEXT: call void @objc_storeStrong(i8** [[T2]], i8* null) nounwind
432 // CHECK-NEXT: [[Z_OFF:%.*]] = load i64* @"OBJC_IVAR_$_Test16.z"
433 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST16]]* [[BASE]] to i8*
434 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[T0]], i64 [[Z_OFF]]
435 // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to i8**
436 // CHECK-NEXT: call void @objc_storeStrong(i8** [[T2]], i8* null) nounwind
438 // CHECK-NEXT: ret void
442 // This shouldn't crash.
444 @property (assign) int x;
446 @interface Test17B : Test17A
448 @implementation Test17B
449 - (int) x { return super.x + 1; }
452 // This shouldn't crash.
453 void test18(id (^maker)(void)) {
458 // CHECK: define void @test19()
459 // CHECK: [[X:%.*]] = alloca [5 x i8*], align 16
460 // CHECK-NEXT: [[T0:%.*]] = bitcast [5 x i8*]* [[X]] to i8*
461 // CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 40, i32 16, i1 false)
464 extern id test19_helper(void);
465 x[2] = test19_helper();
467 // CHECK-NEXT: [[CALL:%.*]] = call i8* @test19_helper()
468 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[CALL]]) nounwind
469 // CHECK-NEXT: [[SLOT:%.*]] = getelementptr inbounds [5 x i8*]* [[X]], i32 0, i64 2
470 // CHECK-NEXT: [[T0:%.*]] = load i8** [[SLOT]]
471 // CHECK-NEXT: store i8* [[T1]], i8** [[SLOT]]
472 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind
474 // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [5 x i8*]* [[X]], i32 0, i32 0
475 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8** [[BEGIN]], i64 5
476 // CHECK-NEXT: br label
478 // CHECK: [[AFTER:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[NEXT:%.*]], {{%.*}} ]
479 // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds i8** [[AFTER]], i64 -1
480 // CHECK-NEXT: [[T0:%.*]] = load i8** [[CUR]]
481 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind, !clang.imprecise_release
482 // CHECK-NEXT: [[EQ:%.*]] = icmp eq i8** [[CUR]], [[BEGIN]]
483 // CHECK-NEXT: br i1 [[EQ]],
488 void test20(unsigned n) {
489 // CHECK: define void @test20
490 // CHECK: [[N:%.*]] = alloca i32, align 4
491 // CHECK-NEXT: [[SAVED_STACK:%.*]] = alloca i8*
492 // CHECK-NEXT: store i32 {{%.*}}, i32* [[N]], align 4
496 // Capture the VLA size.
497 // CHECK-NEXT: [[T0:%.*]] = load i32* [[N]], align 4
498 // CHECK-NEXT: [[DIM:%.*]] = zext i32 [[T0]] to i64
500 // Save the stack pointer.
501 // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.stacksave()
502 // CHECK-NEXT: store i8* [[T0]], i8** [[SAVED_STACK]]
505 // CHECK-NEXT: [[VLA:%.*]] = alloca i8*, i64 [[DIM]], align 16
508 // CHECK-NEXT: [[T0:%.*]] = bitcast i8** [[VLA]] to i8*
509 // CHECK-NEXT: [[T1:%.*]] = mul nuw i64 [[DIM]], 8
510 // CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 [[T1]], i32 8, i1 false)
513 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8** [[VLA]], i64 [[DIM]]
514 // CHECK-NEXT: br label
516 // CHECK: [[AFTER:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ]
517 // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds i8** [[AFTER]], i64 -1
518 // CHECK-NEXT: [[T0:%.*]] = load i8** [[CUR]]
519 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind, !clang.imprecise_release
520 // CHECK-NEXT: [[EQ:%.*]] = icmp eq i8** [[CUR]], [[VLA]]
521 // CHECK-NEXT: br i1 [[EQ]],
523 // CHECK: [[T0:%.*]] = load i8** [[SAVED_STACK]]
524 // CHECK-NEXT: call void @llvm.stackrestore(i8* [[T0]])
525 // CHECK-NEXT: ret void
528 void test21(unsigned n) {
529 // CHECK: define void @test21
530 // CHECK: [[N:%.*]] = alloca i32, align 4
531 // CHECK-NEXT: [[SAVED_STACK:%.*]] = alloca i8*
532 // CHECK-NEXT: store i32 {{%.*}}, i32* [[N]], align 4
536 // Capture the VLA size.
537 // CHECK-NEXT: [[T0:%.*]] = load i32* [[N]], align 4
538 // CHECK-NEXT: [[DIM:%.*]] = zext i32 [[T0]] to i64
540 // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.stacksave()
541 // CHECK-NEXT: store i8* [[T0]], i8** [[SAVED_STACK]]
545 // CHECK-NEXT: [[T0:%.*]] = mul nuw i64 2, [[DIM]]
546 // CHECK-NEXT: [[VLA:%.*]] = alloca [3 x i8*], i64 [[T0]], align 16
549 // CHECK-NEXT: [[T0:%.*]] = bitcast [3 x i8*]* [[VLA]] to i8*
550 // CHECK-NEXT: [[T1:%.*]] = mul nuw i64 2, [[DIM]]
551 // CHECK-NEXT: [[T2:%.*]] = mul nuw i64 [[T1]], 24
552 // CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 [[T2]], i32 8, i1 false)
555 // CHECK-NEXT: [[T0:%.*]] = mul nuw i64 2, [[DIM]]
556 // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [3 x i8*]* [[VLA]], i32 0, i32 0
557 // CHECK-NEXT: [[T1:%.*]] = mul nuw i64 [[T0]], 3
558 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8** [[BEGIN]], i64 [[T1]]
559 // CHECK-NEXT: br label
561 // CHECK: [[AFTER:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ]
562 // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds i8** [[AFTER]], i64 -1
563 // CHECK-NEXT: [[T0:%.*]] = load i8** [[CUR]]
564 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind, !clang.imprecise_release
565 // CHECK-NEXT: [[EQ:%.*]] = icmp eq i8** [[CUR]], [[BEGIN]]
566 // CHECK-NEXT: br i1 [[EQ]],
568 // CHECK: [[T0:%.*]] = load i8** [[SAVED_STACK]]
569 // CHECK-NEXT: call void @llvm.stackrestore(i8* [[T0]])
570 // CHECK-NEXT: ret void
573 void test22(_Bool cond) {
574 id test22_helper(void) __attribute__((ns_returns_retained));
576 // CHECK: define void @test22(
577 // CHECK: [[COND:%.*]] = alloca i8,
578 // CHECK-NEXT: [[X:%.*]] = alloca i8*,
579 // CHECK-NEXT: [[RELCOND:%.*]] = alloca i1
580 // CHECK-NEXT: [[RELVAL:%.*]] = alloca i8*
581 // CHECK-NEXT: store i1 false, i1* [[RELCOND]]
584 // CHECK-NEXT: [[T0:%.*]] = load i8* [[COND]]
585 // CHECK-NEXT: [[T1:%.*]] = trunc i8 [[T0]] to i1
586 // CHECK-NEXT: br i1 [[T1]],
588 // CHECK: [[CALL:%.*]] = call i8* @test22_helper()
589 // CHECK-NEXT: store i1 true, i1* [[RELCOND]]
590 // CHECK-NEXT: store i8* [[CALL]], i8** [[RELVAL]]
591 // CHECK-NEXT: br label
592 // CHECK: [[T0:%.*]] = phi i8* [ null, {{%.*}} ], [ [[CALL]], {{%.*}} ]
593 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) nounwind
594 // CHECK-NEXT: store i8* [[T1]], i8** [[X]],
595 // CHECK-NEXT: [[REL:%.*]] = load i1* [[RELCOND]]
596 // CHECK-NEXT: br i1 [[REL]],
597 // CHECK: [[T0:%.*]] = load i8** [[RELVAL]]
598 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind
599 // CHECK-NEXT: br label
600 // CHECK: [[T0:%.*]] = load i8** [[X]]
601 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind
602 // CHECK-NEXT: ret void
603 id x = (cond ? 0 : test22_helper());
606 // rdar://problem/8922540
607 // Note that we no longer emit .release_ivars flags.
608 // CHECK-GLOBALS: @"\01l_OBJC_CLASS_RO_$_Test23" = internal global [[RO_T:%.*]] { i32 134,
609 @interface Test23 { id x; } @end
610 @implementation Test23 @end
612 // CHECK-GLOBALS: @"\01l_OBJC_CLASS_RO_$_Test24" = internal global [[RO_T:%.*]] { i32 130,
613 @interface Test24 {} @end
614 @implementation Test24 @end
616 int (^test25(int x))(void) {
617 // CHECK: define i32 ()* @test25(
618 // CHECK: [[X:%.*]] = alloca i32,
619 // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
620 // CHECK-NEXT: store i32 {{%.*}}, i32* [[X]]
621 // CHECK: [[T0:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]] to i32 ()*
622 // CHECK-NEXT: [[T1:%.*]] = bitcast i32 ()* [[T0]] to i8*
623 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainBlock(i8* [[T1]]) nounwind
624 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to i32 ()*
625 // CHECK-NEXT: [[T4:%.*]] = bitcast i32 ()* [[T3]] to i8*
626 // CHECK-NEXT: [[T5:%.*]] = call i8* @objc_autoreleaseReturnValue(i8* [[T4]]) nounwind
627 // CHECK-NEXT: [[T6:%.*]] = bitcast i8* [[T5]] to i32 ()*
628 // CHECK-NEXT: ret i32 ()* [[T6]]
629 return ^{ return x; };
632 // rdar://problem/8941012
633 @interface Test26 { id x[4]; } @end
634 @implementation Test26 @end
635 // CHECK: define internal void @"\01-[Test26 .cxx_destruct]"(
636 // CHECK: [[SELF:%.*]] = load [[TEST26:%.*]]**
637 // CHECK-NEXT: [[OFFSET:%.*]] = load i64* @"OBJC_IVAR_$_Test26.x"
638 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST26]]* [[SELF]] to i8*
639 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[T0]], i64 [[OFFSET]]
640 // CHECK-NEXT: [[X:%.*]] = bitcast i8* [[T1]] to [4 x i8*]*
641 // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [4 x i8*]* [[X]], i32 0, i32 0
642 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8** [[BEGIN]], i64 4
643 // CHECK-NEXT: br label
644 // CHECK: [[CUR:%.*]] = phi i8**
645 // CHECK-NEXT: [[ISDONE:%.*]] = icmp eq i8** [[CUR]], [[END]]
646 // CHECK-NEXT: br i1 [[ISDONE]],
647 // CHECK: call void @objc_storeStrong(i8** [[CUR]], i8* null)
648 // CHECK-NEXT: [[NEXT:%.*]] = getelementptr inbounds i8** [[CUR]], i32 1
649 // CHECK-NEXT: br label
652 // Check that 'init' retains self.
656 @implementation Test27
657 - (id) init { return self; }
658 // CHECK: define internal i8* @"\01-[Test27 init]"
659 // CHECK: [[RET:%.*]] = alloca i8*,
660 // CHECK-NEXT: [[SELF:%.*]] = alloca [[TEST27:%.*]]*,
661 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*,
662 // CHECK-NEXT: [[DEST:%.*]] = alloca i32
663 // CHECK-NEXT: store [[TEST27]]* {{%.*}}, [[TEST27]]** [[SELF]]
664 // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
665 // CHECK-NEXT: [[T0:%.*]] = load [[TEST27]]** [[SELF]]
666 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST27]]* [[T0]] to i8*
667 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]])
668 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]]
669 // CHECK-NEXT: [[T2:%.*]] = bitcast
670 // CHECK-NEXT: store i8* [[T2]], i8** [[RET]]
671 // CHECK-NEXT: store i32 {{[0-9]+}}, i32* [[DEST]]
672 // CHECK-NEXT: [[T0:%.*]] = load [[TEST27]]** [[SELF]]
673 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST27]]* [[T0]] to i8*
674 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
675 // CHECK-NEXT: [[T0:%.*]] = load i8** [[RET]]
676 // CHECK-NEXT: ret i8* [[T0]]
680 // rdar://problem/8087194
682 @property (copy) id prop;
684 @implementation Test28
687 // CHECK: define internal void @"\01-[Test28 .cxx_destruct]"
688 // CHECK: [[SELF:%.*]] = load [[TEST28:%.*]]**
689 // CHECK-NEXT: [[OFFSET:%.*]] = load i64* @"OBJC_IVAR_$_Test28.prop"
690 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST28]]* [[SELF]] to i8*
691 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[T0]], i64 [[OFFSET]]
692 // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to i8**
693 // CHECK-NEXT: call void @objc_storeStrong(i8** [[T2]], i8* null)
694 // CHECK-NEXT: ret void
696 @interface Test29_super
697 - (id) initWithAllocator: (id) allocator;
699 @interface Test29 : Test29_super
701 - (id) initWithAllocator: (id) allocator;
703 @implementation Test29
704 static id _test29_allocator = 0;
706 // CHECK: define internal i8* @"\01-[Test29 init]"([[TEST29:%.*]]* {{%.*}},
707 // CHECK: [[RET:%.*]] = alloca i8*, align 8
708 // CHECK-NEXT: [[SELF:%.*]] = alloca [[TEST29]]*, align 8
709 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 8
710 // CHECK-NEXT: [[CLEANUP:%.*]] = alloca i32
711 // CHECK-NEXT: store [[TEST29]]* {{%.*}}, [[TEST29]]** [[SELF]]
712 // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
714 // Evaluate arguments. Note that the send argument is evaluated
715 // before the zeroing of self.
716 // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]** [[SELF]], align 8
717 // CHECK-NEXT: [[T1:%.*]] = load i8** @_test29_allocator, align 8
719 // Implicit null of 'self', i.e. direct transfer of ownership.
720 // CHECK-NEXT: store [[TEST29]]* null, [[TEST29]]** [[SELF]]
722 // Actual message send.
723 // CHECK-NEXT: [[T2:%.*]] = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
724 // CHECK-NEXT: [[T3:%.*]] = bitcast [[TEST29]]* [[T0]] to i8*
725 // CHECK-NEXT: [[CALL:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i8*)*)(i8* [[T3]], i8* [[T2]], i8* [[T1]])
727 // Implicit write of result back into 'self'. This is not supposed to
728 // be detectable because we're supposed to ban accesses to the old
729 // self value past the delegate init call.
730 // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[CALL]] to [[TEST29]]*
731 // CHECK-NEXT: store [[TEST29]]* [[T0]], [[TEST29]]** [[SELF]]
734 // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[CALL]]
735 // CHECK-NEXT: [[CALL:%.*]] = bitcast
736 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[CALL]]) nounwind
737 // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]]
738 // CHECK-NEXT: [[T1:%.*]] = bitcast
739 // CHECK-NEXT: store i8* [[T1]], i8** [[RET]]
740 // CHECK-NEXT: store i32 1, i32* [[CLEANUP]]
743 // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]** [[SELF]]
744 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8*
745 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) nounwind, !clang.imprecise_release
748 // CHECK-NEXT: [[T0:%.*]] = load i8** [[RET]]
749 // CHECK-NEXT: ret i8* [[T0]]
750 return [self initWithAllocator: _test29_allocator];
752 - (id) initWithAllocator: (id) allocator {
753 // CHECK: define internal i8* @"\01-[Test29 initWithAllocator:]"(
754 // CHECK: [[RET:%.*]] = alloca i8*, align 8
755 // CHECK-NEXT: [[SELF:%.*]] = alloca [[TEST29]]*, align 8
756 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 8
757 // CHECK-NEXT: [[ALLOCATOR:%.*]] = alloca i8*, align 8
758 // CHECK-NEXT: alloca
759 // CHECK-NEXT: [[CLEANUP:%.*]] = alloca i32
760 // CHECK-NEXT: store [[TEST29]]* {{%.*}}, [[TEST29]]** [[SELF]]
761 // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
762 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* {{%.*}})
763 // CHECK-NEXT: store i8* [[T0]], i8** [[ALLOCATOR]]
765 // Evaluate arguments. Note that the send argument is evaluated
766 // before the zeroing of self.
767 // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]** [[SELF]]
768 // CHECK-NEXT: [[T1:%.*]] = load i8** [[ALLOCATOR]], align 8
770 // Implicit null of 'self', i.e. direct transfer of ownership.
771 // CHECK-NEXT: store [[TEST29]]* null, [[TEST29]]** [[SELF]]
773 // Actual message send.
774 // CHECK: [[CALL:%.*]] = call {{.*}} @objc_msgSendSuper2
776 // Implicit write of result back into 'self'. This is not supposed to
777 // be detectable because we're supposed to ban accesses to the old
778 // self value past the delegate init call.
779 // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[CALL]] to [[TEST29]]*
780 // CHECK-NEXT: store [[TEST29]]* [[T0]], [[TEST29]]** [[SELF]]
783 // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[CALL]] to [[TEST29]]*
784 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8*
785 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]]) nounwind
786 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST29]]*
787 // CHECK-NEXT: [[T4:%.*]] = load [[TEST29]]** [[SELF]], align
788 // CHECK-NEXT: store [[TEST29]]* [[T3]], [[TEST29]]** [[SELF]], align
789 // CHECK-NEXT: [[T5:%.*]] = bitcast [[TEST29]]* [[T4]] to i8*
790 // CHECK-NEXT: call void @objc_release(i8* [[T5]])
793 // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]** [[SELF]]
794 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8*
795 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]]) nounwind
796 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]]
797 // CHECK-NEXT: [[T2:%.*]] = bitcast
798 // CHECK-NEXT: store i8* [[T2]], i8** [[RET]]
799 // CHECK-NEXT: store i32 1, i32* [[CLEANUP]]
802 // CHECK-NEXT: [[T0:%.*]] = load i8** [[ALLOCATOR]]
803 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind, !clang.imprecise_release
805 // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]** [[SELF]]
806 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8*
807 // CHECK-NEXT: call void @objc_release(i8* [[T1]]) nounwind, !clang.imprecise_release
810 // CHECK-NEXT: [[T0:%.*]] = load i8** [[RET]]
811 // CHECK-NEXT: ret i8* [[T0]]
812 self = [super initWithAllocator: allocator];
817 typedef struct Test30_helper Test30_helper;
820 - (Test30_helper*) initHelper;
822 @implementation Test30 {
826 // CHECK: define internal i8* @"\01-[Test30 init]"([[TEST30:%.*]]* {{%.*}},
827 // CHECK: [[RET:%.*]] = alloca i8*
828 // CHECK-NEXT: [[SELF:%.*]] = alloca [[TEST30]]*
829 // CHECK-NEXT: alloca i8*
830 // CHECK-NEXT: alloca i32
831 // CHECK-NEXT: store [[TEST30]]* {{%.*}}, [[TEST30]]** [[SELF]]
835 // CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]** [[SELF]]
836 // CHECK-NEXT: [[T1:%.*]] = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
837 // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST30]]* [[T0]] to i8*
838 // CHECK-NEXT: [[CALL:%.*]] = call [[TEST30_HELPER:%.*]]* bitcast {{.*}} @objc_msgSend {{.*}}(i8* [[T2]], i8* [[T1]])
841 // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST30_HELPER]]* [[CALL]] to i8*
842 // CHECK-NEXT: [[T1:%.*]] = load [[TEST30]]** [[SELF]]
843 // CHECK-NEXT: [[IVAR:%.*]] = load i64* @"OBJC_IVAR_$_Test30.helper"
844 // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST30]]* [[T1]] to i8*
845 // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 [[IVAR]]
846 // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8**
847 // CHECK-NEXT#: [[T5:%.*]] = load i8** [[T4]]
848 // CHECK-NEXT#: [[T6:%.*]] = call i8* @objc_retain(i8* [[T0]])
849 // CHECK-NEXT#: call void @objc_release(i8* [[T5]])
850 // CHECK-NEXT: store i8* [[T0]], i8** [[T4]]
853 // CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]** [[SELF]]
854 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST30]]* [[T0]] to i8*
855 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]])
856 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]]
857 // CHECK-NEXT: [[T2:%.*]] = bitcast
858 // CHECK-NEXT: store i8* [[T2]], i8** [[RET]]
859 // CHECK-NEXT: store i32 1
862 // CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]** [[SELF]]
863 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST30]]* [[T0]] to i8*
864 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
867 // CHECK-NEXT: [[T0:%.*]] = load i8** [[RET]]
868 // CHECK-NEXT: ret i8* [[T0]]
869 self->helper = [self initHelper];
872 - (Test30_helper*) initHelper {
873 // CHECK: define internal [[TEST30_HELPER]]* @"\01-[Test30 initHelper]"(
875 // CHECK-NEXT: alloca
878 // CHECK-NEXT: ret [[TEST30_HELPER]]* null
885 // CHECK: define void @test31(
886 // CHECK: [[X:%.*]] = alloca i8*,
887 // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
888 // CHECK-NEXT: [[PARM:%.*]] = call i8* @objc_retain(i8* {{%.*}})
889 // CHECK-NEXT: store i8* [[PARM]], i8** [[X]]
890 // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
891 // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]],
892 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]])
893 // CHECK-NEXT: store i8* [[T1]], i8** [[SLOT]],
894 // CHECK-NEXT: bitcast
895 // CHECK-NEXT: call void @test31_helper(
896 // CHECK-NEXT: [[T0:%.*]] = load i8** [[SLOT]]
897 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind, !clang.imprecise_release
898 // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]]
899 // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind, !clang.imprecise_release
900 // CHECK-NEXT: ret void
901 extern void test31_helper(id (^)(void));
902 test31_helper(^{ return x; });
905 __attribute__((ns_returns_retained)) id test32(void) {
906 // CHECK: define i8* @test32()
907 // CHECK: [[CALL:%.*]] = call i8* @test32_helper()
908 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[CALL]])
909 // CHECK-NEXT: ret i8* [[T0]]
910 extern id test32_helper(void);
911 return test32_helper();
916 - (void) give: (Test33_a **) x;
917 - (void) take: (Test33_a **) x;
918 - (void) giveStrong: (out __strong Test33_a **) x;
919 - (void) takeStrong: (inout __strong Test33_a **) x;
920 - (void) giveOut: (out Test33_a **) x;
922 void test33(Test33 *ptr) {
926 [ptr giveStrong: &a];
927 [ptr takeStrong: &a];
930 // CHECK: define void @test33([[TEST33:%.*]]*
931 // CHECK: [[PTR:%.*]] = alloca [[TEST33]]*
932 // CHECK-NEXT: [[A:%.*]] = alloca [[A_T:%.*]]*
933 // CHECK-NEXT: [[TEMP0:%.*]] = alloca [[A_T]]*
934 // CHECK-NEXT: [[TEMP1:%.*]] = alloca [[A_T]]*
935 // CHECK-NEXT: [[TEMP2:%.*]] = alloca [[A_T]]*
936 // CHECK-NEXT: bitcast
937 // CHECK-NEXT: objc_retain
938 // CHECK-NEXT: bitcast
940 // CHECK-NEXT: store [[A_T]]* null, [[A_T]]** [[A]]
942 // CHECK-NEXT: load [[TEST33]]** [[PTR]]
943 // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]** [[A]]
944 // CHECK-NEXT: store [[A_T]]* [[T0]], [[A_T]]** [[TEMP0]]
945 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
946 // CHECK-NEXT: bitcast
947 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[TEMP0]])
948 // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]** [[TEMP0]]
949 // CHECK-NEXT: [[T1:%.*]] = bitcast [[A_T]]* [[T0]] to i8*
950 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]])
951 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A_T]]*
952 // CHECK-NEXT: [[T4:%.*]] = load [[A_T]]** [[A]]
953 // CHECK-NEXT: store [[A_T]]* [[T3]], [[A_T]]** [[A]]
954 // CHECK-NEXT: [[T5:%.*]] = bitcast [[A_T]]* [[T4]] to i8*
955 // CHECK-NEXT: call void @objc_release(i8* [[T5]])
957 // CHECK-NEXT: load [[TEST33]]** [[PTR]]
958 // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]** [[A]]
959 // CHECK-NEXT: store [[A_T]]* [[T0]], [[A_T]]** [[TEMP1]]
960 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
961 // CHECK-NEXT: bitcast
962 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[TEMP1]])
963 // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]** [[TEMP1]]
964 // CHECK-NEXT: [[T1:%.*]] = bitcast [[A_T]]* [[T0]] to i8*
965 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]])
966 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A_T]]*
967 // CHECK-NEXT: [[T4:%.*]] = load [[A_T]]** [[A]]
968 // CHECK-NEXT: store [[A_T]]* [[T3]], [[A_T]]** [[A]]
969 // CHECK-NEXT: [[T5:%.*]] = bitcast [[A_T]]* [[T4]] to i8*
970 // CHECK-NEXT: call void @objc_release(i8* [[T5]])
972 // CHECK-NEXT: load [[TEST33]]** [[PTR]]
973 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
974 // CHECK-NEXT: bitcast
975 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[A]])
977 // CHECK-NEXT: load [[TEST33]]** [[PTR]]
978 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
979 // CHECK-NEXT: bitcast
980 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[A]])
983 // CHECK-NEXT: load [[TEST33]]** [[PTR]]
984 // CHECK-NEXT: store [[A_T]]* null, [[A_T]]** [[TEMP2]]
985 // CHECK-NEXT: load i8** @"\01L_OBJC_SELECTOR_REFERENCES_
986 // CHECK-NEXT: bitcast
987 // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[TEMP2]])
988 // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]** [[TEMP2]]
989 // CHECK-NEXT: [[T1:%.*]] = bitcast [[A_T]]* [[T0]] to i8*
990 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T1]])
991 // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A_T]]*
992 // CHECK-NEXT: [[T4:%.*]] = load [[A_T]]** [[A]]
993 // CHECK-NEXT: store [[A_T]]* [[T3]], [[A_T]]** [[A]]
994 // CHECK-NEXT: [[T5:%.*]] = bitcast [[A_T]]* [[T4]] to i8*
995 // CHECK-NEXT: call void @objc_release(i8* [[T5]])
998 // CHECK-NEXT: bitcast
999 // CHECK-NEXT: objc_release
1001 // CHECK-NEXT: bitcast
1002 // CHECK-NEXT: objc_release
1003 // CHECK-NEXT: ret void
1006 void test34(int cond) {
1009 extern void test34_sink(id *);
1010 test34_sink(cond ? &strong : 0);
1011 test34_sink(cond ? &weak : 0);
1013 // CHECK: define void @test34(
1014 // CHECK: [[COND:%.*]] = alloca i32
1015 // CHECK-NEXT: [[STRONG:%.*]] = alloca i8*
1016 // CHECK-NEXT: [[WEAK:%.*]] = alloca i8*
1017 // CHECK-NEXT: [[TEMP1:%.*]] = alloca i8*
1018 // CHECK-NEXT: [[TEMP2:%.*]] = alloca i8*
1019 // CHECK-NEXT: store i32
1020 // CHECK-NEXT: store i8* null, i8** [[STRONG]]
1021 // CHECK-NEXT: call i8* @objc_initWeak(i8** [[WEAK]], i8* null)
1023 // CHECK-NEXT: [[T0:%.*]] = load i32* [[COND]]
1024 // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0
1025 // CHECK: [[ARG:%.*]] = phi i8**
1026 // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null
1027 // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i8** null, i8** [[TEMP1]]
1028 // CHECK-NEXT: br i1 [[T0]],
1029 // CHECK: [[T0:%.*]] = load i8** [[ARG]]
1030 // CHECK-NEXT: store i8* [[T0]], i8** [[TEMP1]]
1031 // CHECK-NEXT: br label
1032 // CHECK: call void @test34_sink(i8** [[T1]])
1033 // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null
1034 // CHECK-NEXT: br i1 [[T0]],
1035 // CHECK: [[T0:%.*]] = load i8** [[TEMP1]]
1036 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]])
1037 // CHECK-NEXT: [[T2:%.*]] = load i8** [[ARG]]
1038 // CHECK-NEXT: store i8* [[T1]], i8** [[ARG]]
1039 // CHECK-NEXT: call void @objc_release(i8* [[T2]])
1040 // CHECK-NEXT: br label
1042 // CHECK: [[T0:%.*]] = load i32* [[COND]]
1043 // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0
1044 // CHECK: [[ARG:%.*]] = phi i8**
1045 // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null
1046 // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i8** null, i8** [[TEMP2]]
1047 // CHECK-NEXT: br i1 [[T0]],
1048 // CHECK: [[T0:%.*]] = call i8* @objc_loadWeak(i8** [[ARG]])
1049 // CHECK-NEXT: store i8* [[T0]], i8** [[TEMP2]]
1050 // CHECK-NEXT: br label
1051 // CHECK: call void @test34_sink(i8** [[T1]])
1052 // CHECK-NEXT: [[T0:%.*]] = icmp eq i8** [[ARG]], null
1053 // CHECK-NEXT: br i1 [[T0]],
1054 // CHECK: [[T0:%.*]] = load i8** [[TEMP2]]
1055 // CHECK-NEXT: call i8* @objc_storeWeak(i8** [[ARG]], i8* [[T0]])
1056 // CHECK-NEXT: br label
1058 // CHECK: call void @objc_destroyWeak(i8** [[WEAK]])
1062 void test35(void (^sink)(id*)) {
1066 // CHECK: define void @test35(
1067 // CHECK: [[SINK:%.*]] = alloca void (i8**)*
1068 // CHECK-NEXT: [[STRONG:%.*]] = alloca i8*
1069 // CHECK-NEXT: [[TEMP:%.*]] = alloca i8*
1070 // CHECK-NEXT: bitcast void (i8**)* {{%.*}} to i8*
1071 // CHECK-NEXT: call i8* @objc_retain(
1072 // CHECK-NEXT: bitcast i8*
1073 // CHECK-NEXT: store void (i8**)* {{%.*}}, void (i8**)** [[SINK]]
1074 // CHECK-NEXT: store i8* null, i8** [[STRONG]]
1076 // CHECK-NEXT: load void (i8**)** [[SINK]]
1077 // CHECK-NEXT: bitcast
1078 // CHECK-NEXT: getelementptr
1079 // CHECK-NEXT: [[BLOCK:%.*]] = bitcast
1080 // CHECK-NEXT: [[T0:%.*]] = load i8** [[STRONG]]
1081 // CHECK-NEXT: store i8* [[T0]], i8** [[TEMP1]]
1082 // CHECK-NEXT: [[F0:%.*]] = load i8**
1083 // CHECK-NEXT: [[F1:%.*]] = bitcast i8* [[F0]] to void (i8*, i8**)*
1084 // CHECK-NEXT: call void [[F1]](i8* [[BLOCK]], i8** [[TEMP1]])
1085 // CHECK-NEXT: [[T0:%.*]] = load i8** [[TEMP1]]
1086 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]])
1087 // CHECK-NEXT: [[T2:%.*]] = load i8** [[STRONG]]
1088 // CHECK-NEXT: store i8* [[T1]], i8** [[STRONG]]
1089 // CHECK-NEXT: call void @objc_release(i8* [[T2]])
1091 // CHECK-NEXT: [[T0:%.*]] = load i8** [[STRONG]]
1092 // CHECK-NEXT: call void @objc_release(i8* [[T0]])
1094 // CHECK-NEXT: load void (i8**)** [[SINK]]
1095 // CHECK-NEXT: bitcast
1096 // CHECK-NEXT: call void @objc_release
1097 // CHECK-NEXT: ret void
1101 // CHECK: define void @test36
1103 // CHECK: [[X:%.*]] = alloca i8*
1105 // CHECK: call i8* @objc_retain
1106 // CHECK: call i8* @objc_retain
1107 // CHECK: call i8* @objc_retain
1108 id array[3] = { @"A", x, @"y" };
1110 // CHECK: [[T0:%.*]] = load i8** [[X]]
1111 // CHECK-NEXT: store i8* null, i8** [[X]]
1112 // CHECK-NEXT: call void @objc_release(i8* [[T0]])
1116 // CHECK: call void @objc_release
1119 // CHECK: call void @objc_release
1120 // CHECK-NEXT: ret void
1125 extern void test37_helper(id *);
1127 test37_helper(&var);
1129 // CHECK: define void @test37()
1130 // CHECK: [[VAR:%.*]] = alloca [[TEST37:%.*]]*,
1131 // CHECK-NEXT: [[TEMP:%.*]] = alloca i8*
1132 // CHECK-NEXT: store [[TEST37]]* null, [[TEST37]]** [[VAR]]
1134 // CHECK-NEXT: [[T0:%.*]] = load [[TEST37]]** [[VAR]]
1135 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST37]]* [[T0]] to i8*
1136 // CHECK-NEXT: store i8* [[T1]], i8** [[TEMP]]
1137 // CHECK-NEXT: call void @test37_helper(i8** [[TEMP]])
1138 // CHECK-NEXT: [[T0:%.*]] = load i8** [[TEMP]]
1139 // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST37]]*
1140 // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST37]]* [[T1]] to i8*
1141 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]])
1142 // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[TEST37]]*
1143 // CHECK-NEXT: [[T5:%.*]] = load [[TEST37]]** [[VAR]]
1144 // CHECK-NEXT: store [[TEST37]]* [[T4]], [[TEST37]]** [[VAR]]
1145 // CHECK-NEXT: [[T6:%.*]] = bitcast [[TEST37]]* [[T5]] to i8*
1146 // CHECK-NEXT: call void @objc_release(i8* [[T6]])
1148 // CHECK-NEXT: [[T0:%.*]] = load [[TEST37]]** [[VAR]]
1149 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST37]]* [[T0]] to i8*
1150 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
1151 // CHECK-NEXT: ret void
1155 id test38_source(void);
1156 void test38_helper(void (^)(void));
1157 __block id var = test38_source();
1158 test38_helper(^{ var = 0; });
1160 // CHECK: define void @test38()
1161 // CHECK: [[VAR:%.*]] = alloca [[BYREF_T:%.*]],
1162 // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
1163 // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 2
1164 // 0x02000000 - has copy/dispose helpers
1165 // CHECK-NEXT: store i32 33554432, i32* [[T0]]
1166 // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 6
1167 // CHECK-NEXT: [[T0:%.*]] = call i8* @test38_source()
1168 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]])
1169 // CHECK-NEXT: store i8* [[T1]], i8** [[SLOT]]
1170 // CHECK-NEXT: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 6
1171 // 0x42000000 - has signature, copy/dispose helpers
1172 // CHECK: store i32 1107296256,
1173 // CHECK: [[T0:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8*
1174 // CHECK-NEXT: store i8* [[T0]], i8**
1175 // CHECK: call void @test38_helper(
1176 // CHECK: [[T0:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8*
1177 // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T0]], i32 8)
1178 // CHECK-NEXT: [[T0:%.*]] = load i8** [[SLOT]]
1179 // CHECK-NEXT: call void @objc_release(i8* [[T0]])
1180 // CHECK-NEXT: ret void
1182 // CHECK: define internal void @__Block_byref_object_copy_
1183 // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6
1184 // CHECK-NEXT: load i8**
1185 // CHECK-NEXT: bitcast i8* {{%.*}} to [[BYREF_T]]*
1186 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6
1187 // CHECK-NEXT: [[T2:%.*]] = load i8** [[T1]]
1188 // CHECK-NEXT: store i8* [[T2]], i8** [[T0]]
1189 // CHECK-NEXT: store i8* null, i8** [[T1]]
1191 // CHECK: define internal void @__Block_byref_object_dispose_
1192 // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6
1193 // CHECK-NEXT: [[T1:%.*]] = load i8** [[T0]]
1194 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
1196 // CHECK: define internal void @__test38_block_invoke_
1197 // CHECK: [[SLOT:%.*]] = getelementptr inbounds {{.*}}, i32 0, i32 6
1198 // CHECK-NEXT: [[T0:%.*]] = load i8** [[SLOT]], align 8
1199 // CHECK-NEXT: store i8* null, i8** [[SLOT]],
1200 // CHECK-NEXT: call void @objc_release(i8* [[T0]])
1201 // CHECK-NEXT: ret void
1203 // CHECK: define internal void @__copy_helper_block_
1204 // CHECK: call void @_Block_object_assign(i8* {{%.*}}, i8* {{%.*}}, i32 8)
1206 // CHECK: define internal void @__destroy_helper_block_
1207 // CHECK: call void @_Block_object_dispose(i8* {{%.*}}, i32 8)
1211 extern id test39_source(void);
1212 void test39_helper(void (^)(void));
1213 __unsafe_unretained id var = test39_source();
1214 test39_helper(^{ (void) var; });
1216 // CHECK: define void @test39()
1217 // CHECK: [[VAR:%.*]] = alloca i8*
1218 // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
1219 // CHECK: [[T0:%.*]] = call i8* @test39_source()
1220 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]])
1221 // CHECK-NEXT: store i8* [[T1]], i8** [[VAR]],
1222 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
1223 // 0x40000000 - has signature but no copy/dispose
1224 // CHECK: store i32 1073741824, i32*
1225 // CHECK: [[CAPTURE:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
1226 // CHECK-NEXT: [[T0:%.*]] = load i8** [[VAR]]
1227 // CHECK-NEXT: store i8* [[T0]], i8** [[CAPTURE]]
1228 // CHECK-NEXT: [[T0:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]] to
1229 // CHECK: call void @test39_helper
1230 // CHECK-NEXT: ret void
1234 id test40_source(void);
1235 void test40_helper(void (^)(void));
1236 __block __weak id var = test40_source();
1237 test40_helper(^{ var = 0; });
1239 // CHECK: define void @test40()
1240 // CHECK: [[VAR:%.*]] = alloca [[BYREF_T:%.*]],
1241 // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
1242 // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 2
1243 // 0x02000000 - has copy/dispose helpers
1244 // CHECK-NEXT: store i32 33554432, i32* [[T0]]
1245 // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 6
1246 // CHECK-NEXT: [[T0:%.*]] = call i8* @test40_source()
1247 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]])
1248 // CHECK-NEXT: call i8* @objc_initWeak(i8** [[SLOT]], i8* [[T1]])
1249 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
1250 // CHECK-NEXT: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 6
1251 // 0x42000000 - has signature, copy/dispose helpers
1252 // CHECK: store i32 1107296256,
1253 // CHECK: [[T0:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8*
1254 // CHECK-NEXT: store i8* [[T0]], i8**
1255 // CHECK: call void @test40_helper(
1256 // CHECK: [[T0:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8*
1257 // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T0]], i32 8)
1258 // CHECK-NEXT: call void @objc_destroyWeak(i8** [[SLOT]])
1259 // CHECK-NEXT: ret void
1261 // CHECK: define internal void @__Block_byref_object_copy_
1262 // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6
1263 // CHECK-NEXT: load i8**
1264 // CHECK-NEXT: bitcast i8* {{%.*}} to [[BYREF_T]]*
1265 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6
1266 // CHECK-NEXT: call void @objc_moveWeak(i8** [[T0]], i8** [[T1]])
1268 // CHECK: define internal void @__Block_byref_object_dispose_
1269 // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6
1270 // CHECK-NEXT: call void @objc_destroyWeak(i8** [[T0]])
1272 // CHECK: define internal void @__test40_block_invoke_
1273 // CHECK: [[SLOT:%.*]] = getelementptr inbounds {{.*}}, i32 0, i32 6
1274 // CHECK-NEXT: call i8* @objc_storeWeak(i8** [[SLOT]], i8* null)
1275 // CHECK-NEXT: ret void
1277 // CHECK: define internal void @__copy_helper_block_
1278 // 0x8 - FIELD_IS_BYREF (no FIELD_IS_WEAK because clang in control)
1279 // CHECK: call void @_Block_object_assign(i8* {{%.*}}, i8* {{%.*}}, i32 8)
1281 // CHECK: define internal void @__destroy_helper_block_
1282 // 0x8 - FIELD_IS_BYREF (no FIELD_IS_WEAK because clang in control)
1283 // CHECK: call void @_Block_object_dispose(i8* {{%.*}}, i32 8)
1287 id test41_source(void);
1288 void test41_helper(void (^)(void));
1289 void test41_consume(id);
1290 __weak id var = test41_source();
1291 test41_helper(^{ test41_consume(var); });
1293 // CHECK: define void @test41()
1294 // CHECK: [[VAR:%.*]] = alloca i8*,
1295 // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
1296 // CHECK: [[T0:%.*]] = call i8* @test41_source()
1297 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]])
1298 // CHECK-NEXT: call i8* @objc_initWeak(i8** [[VAR]], i8* [[T1]])
1299 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
1300 // 0x42000000 - has signature, copy/dispose helpers
1301 // CHECK: store i32 1107296256,
1302 // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
1303 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_loadWeak(i8** [[VAR]])
1304 // CHECK-NEXT: call i8* @objc_initWeak(i8** [[SLOT]], i8* [[T0]])
1305 // CHECK: call void @test41_helper(
1306 // CHECK-NEXT: call void @objc_destroyWeak(i8** [[SLOT]])
1307 // CHECK-NEXT: call void @objc_destroyWeak(i8** [[VAR]])
1308 // CHECK-NEXT: ret void
1310 // CHECK: define internal void @__test41_block_invoke_
1311 // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BLOCK_T]]* {{%.*}}, i32 0, i32 5
1312 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_loadWeak(i8** [[SLOT]])
1313 // CHECK-NEXT: call void @test41_consume(i8* [[T0]])
1314 // CHECK-NEXT: ret void
1316 // CHECK: define internal void @__copy_helper_block_
1317 // CHECK: getelementptr
1318 // CHECK-NEXT: getelementptr
1319 // CHECK-NEXT: call void @objc_copyWeak(
1321 // CHECK: define internal void @__destroy_helper_block_
1322 // CHECK: getelementptr
1323 // CHECK-NEXT: call void @objc_destroyWeak(
1326 @interface Test42 @end
1327 @implementation Test42
1329 // CHECK: define internal void @"\01-[Test42 test]"
1330 // CHECK: [[SELF:%.*]] = alloca [[TEST42:%.*]]*,
1331 // CHECK-NEXT: alloca i8*
1332 // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]],
1334 // CHECK-NEXT: store
1335 // CHECK: [[T0:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
1336 // CHECK-NEXT: [[T1:%.*]] = load [[TEST42]]** [[SELF]],
1337 // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST42]]* [[T1]] to i8*
1338 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]])
1339 // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[TEST42]]*
1340 // CHECK-NEXT: store [[TEST42]]* [[T4]], [[TEST42]]** [[T0]]
1341 // CHECK-NEXT: bitcast [[BLOCK_T]]* [[BLOCK]] to
1342 // CHECK: call void @test42_helper(
1343 // CHECK-NEXT: [[T1:%.*]] = load [[TEST42]]** [[T0]]
1344 // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST42]]* [[T1]] to i8*
1345 // CHECK-NEXT: call void @objc_release(i8* [[T2]])
1346 // CHECK-NEXT: ret void
1348 extern void test42_helper(void (^)(void));
1349 test42_helper(^{ (void) self; });
1353 @interface Test43 @end
1354 @implementation Test43
1355 - (id) test __attribute__((ns_returns_retained)) {
1356 extern id test43_produce(void);
1357 return test43_produce();
1358 // CHECK: call i8* @test43_produce()
1359 // CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue(
1365 typedef id __attribute__((ns_returns_retained)) blocktype(void);
1366 extern test44_consume_block(blocktype^);
1368 extern id test44_produce(void);
1369 return test44_produce();
1372 // CHECK: define i8* @test44(
1373 // CHECK: load i8** getelementptr
1374 // CHECK-NEXT: bitcast i8*
1375 // CHECK-NEXT: call i8*
1376 // CHECK-NEXT: call i8* @objc_autoreleaseReturnValue
1377 // CHECK-NEXT: ret i8*
1379 // CHECK: call i8* @test44_produce()
1380 // CHECK-NEXT: call i8* @objc_retain
1381 // CHECK-NEXT: ret i8*
1385 @property (retain) id x;
1387 @implementation Test45
1390 // CHECK: define internal i8* @"\01-[Test45 x]"(
1391 // CHECK: [[CALL:%.*]] = call i8* @objc_getProperty(
1392 // CHECK-NEXT: ret i8* [[CALL]]
1394 // rdar://problem/9315552
1395 void test46(__weak id *wp, __weak volatile id *wvp) {
1396 extern id test46_helper(void);
1398 // TODO: this is sub-optimal, we should retain at the actual call site.
1400 // CHECK: [[T0:%.*]] = call i8* @test46_helper()
1401 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]])
1402 // CHECK-NEXT: [[T2:%.*]] = load i8*** {{%.*}}, align 8
1403 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[T2]], i8* [[T1]])
1404 // CHECK-NEXT: [[T4:%.*]] = call i8* @objc_retain(i8* [[T3]])
1405 // CHECK-NEXT: store i8* [[T4]], i8**
1406 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
1407 id x = *wp = test46_helper();
1409 // CHECK: [[T0:%.*]] = call i8* @test46_helper()
1410 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]])
1411 // CHECK-NEXT: [[T2:%.*]] = load i8*** {{%.*}}, align 8
1412 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[T2]], i8* [[T1]])
1413 // CHECK-NEXT: [[T4:%.*]] = call i8* @objc_retain(i8* [[T3]])
1414 // CHECK-NEXT: store i8* [[T4]], i8**
1415 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
1416 id y = *wvp = test46_helper();
1419 // rdar://problem/9378887
1421 extern id test47_helper(void);
1422 id x = x = test47_helper();
1424 // CHECK: define void @test47()
1425 // CHECK: [[X:%.*]] = alloca i8*
1426 // CHECK-NEXT: store i8* null, i8** [[X]]
1427 // CHECK-NEXT: [[CALL:%.*]] = call i8* @test47_helper()
1428 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[CALL]])
1429 // CHECK-NEXT: [[T1:%.*]] = load i8** [[X]]
1430 // CHECK-NEXT: store i8* [[T0]], i8** [[X]]
1431 // CHECK-NEXT: call void @objc_release(i8* [[T1]])
1432 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retain(i8* [[T0]])
1433 // CHECK-NEXT: [[T3:%.*]] = load i8** [[X]]
1434 // CHECK-NEXT: store i8* [[T2]], i8** [[X]]
1435 // CHECK-NEXT: call void @objc_release(i8* [[T3]])
1436 // CHECK-NEXT: [[T4:%.*]] = load i8** [[X]]
1437 // CHECK-NEXT: call void @objc_release(i8* [[T4]])
1438 // CHECK-NEXT: ret void
1442 extern id test48_helper(void);
1443 __weak id x = x = test48_helper();
1444 // CHECK: define void @test48()
1445 // CHECK: [[X:%.*]] = alloca i8*
1446 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_initWeak(i8** [[X]], i8* null)
1447 // CHECK-NEXT: [[T1:%.*]] = call i8* @test48_helper()
1448 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T1]])
1449 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[X]], i8* [[T2]])
1450 // CHECK-NEXT: [[T4:%.*]] = call i8* @objc_storeWeak(i8** [[X]], i8* [[T3]])
1451 // CHECK-NEXT: call void @objc_release(i8* [[T2]])
1452 // CHECK-NEXT: call void @objc_destroyWeak(i8** [[X]])
1453 // CHECK-NEXT: ret void
1457 extern id test49_helper(void);
1458 __autoreleasing id x = x = test49_helper();
1459 // CHECK: define void @test49()
1460 // CHECK: [[X:%.*]] = alloca i8*
1461 // CHECK-NEXT: store i8* null, i8** [[X]]
1462 // CHECK-NEXT: [[CALL:%.*]] = call i8* @test49_helper()
1463 // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[CALL]])
1464 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_autorelease(i8* [[T0]])
1465 // CHECK-NEXT: store i8* [[T2]], i8** [[X]]
1466 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retainAutorelease(i8* [[T1]])
1467 // CHECK-NEXT: store i8* [[T3]], i8** [[X]]
1468 // CHECK-NEXT: ret void
1475 // CHECK: [[T0:%.*]] = call i8* @objc_retain
1476 // CHECK: call void @objc_release
1485 typedef struct CGPoint CGPoint;
1488 @property (assign) CGPoint point;
1495 // rdar://problem/9400398
1497 id test52_helper(int) __attribute__((ns_returns_retained));
1498 return ({ int x = 5; test52_helper(x); });
1500 // CHECK: define i8* @test52()
1501 // CHECK: [[X:%.*]] = alloca i32
1502 // CHECK-NEXT: store i32 5, i32* [[X]],
1503 // CHECK-NEXT: [[T0:%.*]] = load i32* [[X]],
1504 // CHECK-NEXT: [[T1:%.*]] = call i8* @test52_helper(i32 [[T0]])
1505 // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_autoreleaseReturnValue(i8* [[T1]])
1506 // CHECK-NEXT: ret i8* [[T2]]
1509 // rdar://problem/9400644
1511 id test53_helper(void);
1512 id x = ({ id y = test53_helper(); y; });
1514 // CHECK: define void @test53()
1515 // CHECK: [[X:%.*]] = alloca i8*,
1516 // CHECK-NEXT: [[Y:%.*]] = alloca i8*,
1517 // CHECK-NEXT: [[T0:%.*]] = call i8* @test53_helper()
1518 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]])
1519 // CHECK-NEXT: store i8* [[T1]], i8** [[Y]],
1520 // CHECK-NEXT: [[T0:%.*]] = load i8** [[Y]],
1521 // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]])
1522 // CHECK-NEXT: [[T2:%.*]] = load i8** [[Y]]
1523 // CHECK-NEXT: call void @objc_release(i8* [[T2]])
1524 // CHECK-NEXT: store i8* [[T1]], i8** [[X]],
1525 // CHECK-NEXT: load i8** [[X]],
1526 // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]]
1527 // CHECK-NEXT: call void @objc_release(i8* [[T0]])
1528 // CHECK-NEXT: ret void