// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -Wno-objc-root-class -Wno-incompatible-pointer-types -Wno-arc-unsafe-retained-assign -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -O2 -disable-llvm-passes -o - %s | FileCheck %s // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -Wno-objc-root-class -Wno-incompatible-pointer-types -Wno-arc-unsafe-retained-assign -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=CHECK-GLOBALS %s // rdar://13129783. Check both native/non-native arc platforms. Here we check // that they treat nonlazybind differently. // RUN: %clang_cc1 -fobjc-runtime=macosx-10.6.0 -triple x86_64-apple-darwin10 -Wno-objc-root-class -Wno-incompatible-pointer-types -Wno-arc-unsafe-retained-assign -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=ARC-ALIEN %s // RUN: %clang_cc1 -fobjc-runtime=macosx-10.7.0 -triple x86_64-apple-darwin11 -Wno-objc-root-class -Wno-incompatible-pointer-types -Wno-arc-unsafe-retained-assign -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=ARC-NATIVE %s // ARC-ALIEN: declare extern_weak void @llvm.objc.storeStrong(i8**, i8*) // ARC-ALIEN: declare extern_weak i8* @llvm.objc.retain(i8*) // ARC-ALIEN: declare extern_weak i8* @llvm.objc.autoreleaseReturnValue(i8*) // ARC-ALIEN: declare i8* @objc_msgSend(i8*, i8*, ...) [[NLB:#[0-9]+]] // ARC-ALIEN: declare extern_weak void @llvm.objc.release(i8*) // ARC-ALIEN: declare extern_weak i8* @llvm.objc.retainAutoreleasedReturnValue(i8*) // ARC-ALIEN: declare extern_weak i8* @llvm.objc.initWeak(i8**, i8*) // ARC-ALIEN: declare extern_weak i8* @llvm.objc.storeWeak(i8**, i8*) // ARC-ALIEN: declare extern_weak i8* @llvm.objc.loadWeakRetained(i8**) // ARC-ALIEN: declare extern_weak void @llvm.objc.destroyWeak(i8**) // ARC-ALIEN: declare extern_weak i8* @llvm.objc.autorelease(i8*) // ARC-ALIEN: declare extern_weak i8* @llvm.objc.retainAutorelease(i8*) // ARC-NATIVE: declare void @llvm.objc.storeStrong(i8**, i8*) // ARC-NATIVE: declare i8* @llvm.objc.retain(i8*) // ARC-NATIVE: declare i8* @llvm.objc.autoreleaseReturnValue(i8*) // ARC-NATIVE: declare i8* @objc_msgSend(i8*, i8*, ...) [[NLB:#[0-9]+]] // ARC-NATIVE: declare void @llvm.objc.release(i8*) // ARC-NATIVE: declare i8* @llvm.objc.retainAutoreleasedReturnValue(i8*) // ARC-NATIVE: declare i8* @llvm.objc.initWeak(i8**, i8*) // ARC-NATIVE: declare i8* @llvm.objc.storeWeak(i8**, i8*) // ARC-NATIVE: declare i8* @llvm.objc.loadWeakRetained(i8**) // ARC-NATIVE: declare void @llvm.objc.destroyWeak(i8**) // ARC-NATIVE: declare i8* @llvm.objc.autorelease(i8*) // ARC-NATIVE: declare i8* @llvm.objc.retainAutorelease(i8*) // CHECK-LABEL: define void @test0 void test0(id x) { // CHECK: [[X:%.*]] = alloca i8* // CHECK-NEXT: [[PARM:%.*]] = call i8* @llvm.objc.retain(i8* {{.*}}) // CHECK-NEXT: store i8* [[PARM]], i8** [[X]] // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[TMP]]) // CHECK-NEXT: ret void } // CHECK-LABEL: define i8* @test1(i8* id test1(id x) { // CHECK: [[X:%.*]] = alloca i8* // CHECK-NEXT: [[Y:%.*]] = alloca i8* // CHECK-NEXT: [[PARM:%.*]] = call i8* @llvm.objc.retain(i8* {{%.*}}) // CHECK-NEXT: store i8* [[PARM]], i8** [[X]] // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[YPTR1]]) // CHECK-NEXT: store i8* null, i8** [[Y]] // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]] // CHECK-NEXT: [[RET:%.*]] = call i8* @llvm.objc.retain(i8* [[T0]]) // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[YPTR2]]) // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) // CHECK-NEXT: [[T1:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[RET]]) // CHECK-NEXT: ret i8* [[T1]] id y; return y; } @interface Test2 + (void) class_method; - (void) inst_method; @end @implementation Test2 // The self pointer of a class method is not retained. // CHECK: define internal void @"\01+[Test2 class_method]" // CHECK: alloca // CHECK-NEXT: alloca // CHECK-NEXT: store // CHECK-NEXT: store // CHECK-NEXT: ret void + (void) class_method {} // The self pointer of an instance method is not retained. // CHECK: define internal void @"\01-[Test2 inst_method]" // CHECK: alloca // CHECK-NEXT: alloca // CHECK-NEXT: store // CHECK-NEXT: store // CHECK-NEXT: ret void - (void) inst_method {} @end @interface Test3 + (id) alloc; - (id) initWith: (int) x; - (id) copy; @end // CHECK-LABEL: define void @test3_unelided() void test3_unelided() { extern void test3_helper(void); // CHECK: [[X:%.*]] = alloca [[TEST3:%.*]]* // CHECK-NEXT: [[XPTR1:%.*]] = bitcast [[TEST3]]** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: store [[TEST3]]* null, [[TEST3]]** [[X]], align Test3 *x; // Call to +alloc. // CHECK-NEXT: load {{.*}}, {{.*}}* @"OBJC_CLASSLIST_REFERENCES_ // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: bitcast // CHECK-NEXT: [[ALLOC:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend // CHECK-NEXT: bitcast // CHECK-NEXT: bitcast // CHECK-NEXT: call void @llvm.objc.release(i8* [Test3 alloc]; // CHECK-NEXT: [[T0:%.*]] = load [[TEST3]]*, [[TEST3]]** [[X]] // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST3]]* [[T0]] to i8* // CHECK-NEXT: [[COPY:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend {{.*}})(i8* [[T1]], // CHECK-NEXT: call void @llvm.objc.release(i8* [[COPY]]) [[NUW:#[0-9]+]] [x copy]; // CHECK-NEXT: [[T0:%.*]] = load [[TEST3]]*, [[TEST3]]** [[X]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST3]]* [[T0]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) [[NUW]] // CHECK-NEXT: [[XPTR2:%.*]] = bitcast [[TEST3]]** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } // CHECK-LABEL: define void @test3() void test3() { // CHECK: [[X:%.*]] = alloca i8* // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) id x = [[Test3 alloc] initWith: 5]; // Call to +alloc. // CHECK-NEXT: load {{.*}}, {{.*}}* @"OBJC_CLASSLIST_REFERENCES_ // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: bitcast // CHECK-NEXT: [[ALLOC:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend // CHECK-NEXT: bitcast // Call to -initWith: with elided retain of consumed argument. // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: bitcast // CHECK-NEXT: [[INIT:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i32)*)(i8* // CHECK-NEXT: bitcast // CHECK-NEXT: [[INIT:%.*]] = bitcast // Assignment for initialization, retention elided. // CHECK-NEXT: store i8* [[INIT]], i8** [[X]] // Call to -copy. // CHECK-NEXT: [[V:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: [[COPY:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend {{.*}})(i8* [[V]], // Assignment to x. // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: store i8* [[COPY]], i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[TMP]]) [[NUW]] x = [x copy]; // Cleanup for x. // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[TMP]]) [[NUW]] // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } // CHECK-LABEL: define i8* @test4() id test4() { // Call to +alloc. // CHECK: load {{.*}}, {{.*}}* @"OBJC_CLASSLIST_REFERENCES_ // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: bitcast // CHECK-NEXT: [[ALLOC:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend // CHECK-NEXT: [[ALLOC:%.*]] = bitcast // Call to -initWith: with elided retain of consumed argument. // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: [[ALLOC:%.*]] = bitcast // CHECK-NEXT: [[INIT:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i32)*)(i8* [[ALLOC]], // Initialization of return value, occurring within full-expression. // Retain/release elided. // CHECK-NEXT: bitcast // CHECK-NEXT: [[INIT:%.*]] = bitcast // CHECK-NEXT: [[RET:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[INIT]]) // CHECK-NEXT: ret i8* [[RET]] return [[Test3 alloc] initWith: 6]; } @interface Test5 { @public id var; } @end // CHECK-LABEL: define void @test5 void test5(Test5 *x, id y) { // Prologue. // CHECK: [[X:%.*]] = alloca [[TEST5:%.*]]*, // CHECK-NEXT: [[Y:%.*]] = alloca i8* // CHECK-NEXT: bitcast [[TEST5]]* {{%.*}} to i8* // CHECK-NEXT: call i8* @llvm.objc.retain // CHECK-NEXT: [[PARMX:%.*]] = bitcast i8* {{%.*}} to [[TEST5]]* // CHECK-NEXT: store [[TEST5]]* [[PARMX]], [[TEST5]]** [[X]] // CHECK-NEXT: call i8* @llvm.objc.retain // CHECK-NEXT: store // CHECK-NEXT: load [[TEST5]]*, [[TEST5]]** [[X]] // CHECK-NEXT: load i64, i64* @"OBJC_IVAR_$_Test5.var" // CHECK-NEXT: bitcast // CHECK-NEXT: getelementptr // CHECK-NEXT: [[VAR:%.*]] = bitcast // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[VAR]] // CHECK-NEXT: store i8* null, i8** [[VAR]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[TMP]]) [[NUW]] x->var = 0; // CHECK-NEXT: [[YVAL:%.*]] = load i8*, i8** [[Y]] // CHECK-NEXT: load [[TEST5]]*, [[TEST5]]** [[X]] // CHECK-NEXT: load i64, i64* @"OBJC_IVAR_$_Test5.var" // CHECK-NEXT: bitcast // CHECK-NEXT: getelementptr // CHECK-NEXT: [[VAR:%.*]] = bitcast // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.objc.retain(i8* [[YVAL]]) [[NUW]] // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[VAR]] // CHECK-NEXT: store i8* [[T0]], i8** [[VAR]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[TMP]]) [[NUW]] x->var = y; // Epilogue. // CHECK-NEXT: [[TMP:%.*]] = load i8*, i8** [[Y]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[TMP]]) [[NUW]] // CHECK-NEXT: [[T0:%.*]] = load [[TEST5]]*, [[TEST5]]** [[X]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST5]]* [[T0]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) [[NUW]] // CHECK-NEXT: ret void } id test6_helper(void) __attribute__((ns_returns_retained)); // CHECK-LABEL: define void @test6() void test6() { // CHECK: [[X:%.*]] = alloca i8* // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: [[CALL:%.*]] = call i8* @test6_helper() // CHECK-NEXT: store i8* [[CALL]], i8** [[X]] // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) [[NUW]], !clang.imprecise_release // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void id x = test6_helper(); } void test7_helper(id __attribute__((ns_consumed))); // CHECK-LABEL: define void @test7() void test7() { // CHECK: [[X:%.*]] = alloca i8* // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: store i8* null, i8** [[X]] // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: [[T1:%.*]] = call i8* @llvm.objc.retain(i8* [[T0]]) [[NUW]] // CHECK-NEXT: call void @test7_helper(i8* [[T1]]) // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) [[NUW]], !clang.imprecise_release // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void id x; test7_helper(x); } id test8_helper(void) __attribute__((ns_returns_retained)); void test8() { __unsafe_unretained id x = test8_helper(); // CHECK: [[X:%.*]] = alloca i8* // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: [[T0:%.*]] = call i8* @test8_helper() // CHECK-NEXT: store i8* [[T0]], i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) [[NUW]], !clang.imprecise_release // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } @interface Test10 @property (retain) Test10 *me; @end void test10() { Test10 *x; id y = x.me.me; // CHECK-LABEL: define void @test10() // CHECK: [[X:%.*]] = alloca [[TEST10:%.*]]*, align // CHECK-NEXT: [[Y:%.*]] = alloca i8*, align // CHECK-NEXT: [[XPTR1:%.*]] = bitcast [[TEST10]]** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: store [[TEST10]]* null, [[TEST10]]** [[X]] // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[YPTR1]]) // CHECK-NEXT: load [[TEST10]]*, [[TEST10]]** [[X]], align // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_{{[0-9]*}} // CHECK-NEXT: bitcast // CHECK-NEXT: [[T0:%.*]] = call [[TEST10]]* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8* // CHECK-NEXT: [[T2:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T1]]) // CHECK-NEXT: [[V:%.*]] = bitcast i8* [[T2]] to [[TEST10]]* // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_{{[0-9]*}} // CHECK-NEXT: bitcast // CHECK-NEXT: [[T0:%.*]] = call [[TEST10]]* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8* // CHECK-NEXT: [[T2:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T1]]) // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST10]]* // CHECK-NEXT: [[T4:%.*]] = bitcast [[TEST10]]* [[T3]] to i8* // CHECK-NEXT: store i8* [[T4]], i8** [[Y]] // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST10]]* [[V]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: void @llvm.lifetime.end.p0i8(i64 8, i8* [[YPTR2]]) // CHECK-NEXT: [[T0:%.*]] = load [[TEST10]]*, [[TEST10]]** [[X]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST10]]* [[T0]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) // CHECK-NEXT: [[XPTR2:%.*]] = bitcast [[TEST10]]** [[X]] to i8* // CHECK-NEXT: void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } void test11(id (*f)(void) __attribute__((ns_returns_retained))) { // CHECK-LABEL: define void @test11( // CHECK: [[F:%.*]] = alloca i8* ()*, align // CHECK-NEXT: [[X:%.*]] = alloca i8*, align // CHECK-NEXT: store i8* ()* {{%.*}}, i8* ()** [[F]], align // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: [[T0:%.*]] = load i8* ()*, i8* ()** [[F]], align // CHECK-NEXT: [[T1:%.*]] = call i8* [[T0]]() // CHECK-NEXT: store i8* [[T1]], i8** [[X]], align // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T3]]) [[NUW]], !clang.imprecise_release // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void id x = f(); } void test12(void) { extern id test12_helper(void); // CHECK-LABEL: define void @test12() // CHECK: [[X:%.*]] = alloca i8*, align // CHECK-NEXT: [[Y:%.*]] = alloca i8*, align __weak id x = test12_helper(); // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: [[T0:%.*]] = call i8* @test12_helper() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: call i8* @llvm.objc.initWeak(i8** [[X]], i8* [[T1]]) // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) x = test12_helper(); // CHECK-NEXT: [[T0:%.*]] = call i8* @test12_helper() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: call i8* @llvm.objc.storeWeak(i8** [[X]], i8* [[T1]]) // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) id y = x; // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[YPTR1]]) // CHECK-NEXT: [[T2:%.*]] = call i8* @llvm.objc.loadWeakRetained(i8** [[X]]) // CHECK-NEXT: store i8* [[T2]], i8** [[Y]], align // CHECK-NEXT: [[T4:%.*]] = load i8*, i8** [[Y]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T4]]) [[NUW]], !clang.imprecise_release // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: void @llvm.lifetime.end.p0i8(i64 8, i8* [[YPTR2]]) // CHECK-NEXT: call void @llvm.objc.destroyWeak(i8** [[X]]) // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK: ret void } // Indirect consuming calls. void test13(void) { // CHECK-LABEL: define void @test13() // CHECK: [[X:%.*]] = alloca i8*, align // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: store i8* null, i8** [[X]], align id x; typedef void fnty(id __attribute__((ns_consumed))); extern fnty *test13_func; // CHECK-NEXT: [[FN:%.*]] = load void (i8*)*, void (i8*)** @test13_func, align // CHECK-NEXT: [[X_VAL:%.*]] = load i8*, i8** [[X]], align // CHECK-NEXT: [[X_TMP:%.*]] = call i8* @llvm.objc.retain(i8* [[X_VAL]]) [[NUW]] // CHECK-NEXT: call void [[FN]](i8* [[X_TMP]]) test13_func(x); extern fnty ^test13_block; // CHECK-NEXT: [[TMP:%.*]] = load void (i8*)*, void (i8*)** @test13_block, align // CHECK-NEXT: [[BLOCK:%.*]] = bitcast void (i8*)* [[TMP]] to [[BLOCKTY:%.*]]* // CHECK-NEXT: [[BLOCK_FN_PTR:%.*]] = getelementptr inbounds [[BLOCKTY]], [[BLOCKTY]]* [[BLOCK]], i32 0, i32 3 // CHECK-NEXT: [[BLOCK_OPAQUE:%.*]] = bitcast [[BLOCKTY]]* [[BLOCK]] to i8* // CHECK-NEXT: [[X_VAL:%.*]] = load i8*, i8** [[X]], align // CHECK-NEXT: [[X_TMP:%.*]] = call i8* @llvm.objc.retain(i8* [[X_VAL]]) [[NUW]] // CHECK-NEXT: [[BLOCK_FN_TMP:%.*]] = load i8*, i8** [[BLOCK_FN_PTR]] // CHECK-NEXT: [[BLOCK_FN:%.*]] = bitcast i8* [[BLOCK_FN_TMP]] to void (i8*, i8*)* // CHECK-NEXT: call void [[BLOCK_FN]](i8* [[BLOCK_OPAQUE]], i8* [[X_TMP]]) test13_block(x); // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) [[NUW]] // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } @interface Test16_super @end @interface Test16 : Test16_super { id z; } @property (assign) int x; @property (retain) id y; - (void) dealloc; @end @implementation Test16 @synthesize x; @synthesize y; - (void) dealloc { // CHECK: define internal void @"\01-[Test16 dealloc]"( // CHECK: [[SELF:%.*]] = alloca [[TEST16:%.*]]*, align // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align // CHECK-NEXT: alloca // CHECK-NEXT: store [[TEST16]]* {{%.*}}, [[TEST16]]** [[SELF]], align // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] // CHECK-NEXT: [[BASE:%.*]] = load [[TEST16]]*, [[TEST16]]** [[SELF]] // Call super. // CHECK-NEXT: [[BASE2:%.*]] = bitcast [[TEST16]]* [[BASE]] to i8* // CHECK-NEXT: [[T0:%.*]] = getelementptr // CHECK-NEXT: store i8* [[BASE2]], i8** [[T0]] // CHECK-NEXT: load {{%.*}}*, {{%.*}}** @"OBJC_CLASSLIST_SUP_REFS_$_ // CHECK-NEXT: bitcast // CHECK-NEXT: getelementptr // CHECK-NEXT: store // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: call void bitcast (i8* ({{.*}})* @objc_msgSendSuper2 to void ( // CHECK-NEXT: ret void } // .cxx_destruct // CHECK: define internal void @"\01-[Test16 .cxx_destruct]"( // CHECK: [[SELF:%.*]] = alloca [[TEST16:%.*]]*, align // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align // CHECK-NEXT: store [[TEST16]]* {{%.*}}, [[TEST16]]** [[SELF]], align // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] // CHECK-NEXT: [[BASE:%.*]] = load [[TEST16]]*, [[TEST16]]** [[SELF]] // Destroy y. // CHECK-NEXT: [[Y_OFF:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test16.y" // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST16]]* [[BASE]] to i8* // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[Y_OFF]] // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to i8** // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** [[T2]], i8* null) [[NUW]] // Destroy z. // CHECK-NEXT: [[Z_OFF:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test16.z" // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST16]]* [[BASE]] to i8* // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[Z_OFF]] // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to i8** // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** [[T2]], i8* null) [[NUW]] // CHECK-NEXT: ret void @end // This shouldn't crash. @interface Test17A @property (assign) int x; @end @interface Test17B : Test17A @end @implementation Test17B - (int) x { return super.x + 1; } @end void test19() { // CHECK-LABEL: define void @test19() // CHECK: [[X:%.*]] = alloca [5 x i8*], align 16 // CHECK: call void @llvm.lifetime.start // CHECK-NEXT: [[T0:%.*]] = bitcast [5 x i8*]* [[X]] to i8* // CHECK: call void @llvm.memset.p0i8.i64(i8* align 16 [[T0]], i8 0, i64 40, i1 false) id x[5]; extern id test19_helper(void); x[2] = test19_helper(); // CHECK-NEXT: [[CALL:%.*]] = call i8* @test19_helper() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[CALL]]) [[NUW]] // CHECK-NEXT: [[SLOT:%.*]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[X]], i64 0, i64 2 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[SLOT]] // CHECK-NEXT: store i8* [[T1]], i8** [[SLOT]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) [[NUW]] // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[X]], i32 0, i32 0 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8*, i8** [[BEGIN]], i64 5 // CHECK-NEXT: br label // CHECK: [[AFTER:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[NEXT:%.*]], {{%.*}} ] // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds i8*, i8** [[AFTER]], i64 -1 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[CUR]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) [[NUW]], !clang.imprecise_release // CHECK-NEXT: [[EQ:%.*]] = icmp eq i8** [[CUR]], [[BEGIN]] // CHECK-NEXT: br i1 [[EQ]], // CHECK: ret void } void test20(unsigned n) { // CHECK-LABEL: define void @test20 // CHECK: [[N:%.*]] = alloca i32, align 4 // CHECK-NEXT: [[SAVED_STACK:%.*]] = alloca i8* // CHECK-NEXT: [[VLA_EXPR:%.*]] = alloca i64, align 8 // CHECK-NEXT: store i32 {{%.*}}, i32* [[N]], align 4 id x[n]; // Capture the VLA size. // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[N]], align 4 // CHECK-NEXT: [[DIM:%.*]] = zext i32 [[T0]] to i64 // Save the stack pointer. // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.stacksave() // CHECK-NEXT: store i8* [[T0]], i8** [[SAVED_STACK]] // Allocate the VLA. // CHECK-NEXT: [[VLA:%.*]] = alloca i8*, i64 [[DIM]], align 16 // Store the VLA #elements expression. // CHECK-NEXT: store i64 [[DIM]], i64* [[VLA_EXPR]], align 8 // Zero-initialize. // CHECK-NEXT: [[T0:%.*]] = bitcast i8** [[VLA]] to i8* // CHECK-NEXT: [[T1:%.*]] = mul nuw i64 [[DIM]], 8 // CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 16 [[T0]], i8 0, i64 [[T1]], i1 false) // Destroy. // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8*, i8** [[VLA]], i64 [[DIM]] // CHECK-NEXT: [[EMPTY:%.*]] = icmp eq i8** [[VLA]], [[END]] // CHECK-NEXT: br i1 [[EMPTY]] // CHECK: [[AFTER:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ] // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds i8*, i8** [[AFTER]], i64 -1 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[CUR]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) [[NUW]], !clang.imprecise_release // CHECK-NEXT: [[EQ:%.*]] = icmp eq i8** [[CUR]], [[VLA]] // CHECK-NEXT: br i1 [[EQ]], // CHECK: [[T0:%.*]] = load i8*, i8** [[SAVED_STACK]] // CHECK-NEXT: call void @llvm.stackrestore(i8* [[T0]]) // CHECK-NEXT: ret void } void test21(unsigned n) { // CHECK-LABEL: define void @test21 // CHECK: [[N:%.*]] = alloca i32, align 4 // CHECK-NEXT: [[SAVED_STACK:%.*]] = alloca i8* // CHECK-NEXT: [[VLA_EXPR:%.*]] = alloca i64, align 8 // CHECK-NEXT: store i32 {{%.*}}, i32* [[N]], align 4 id x[2][n][3]; // Capture the VLA size. // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[N]], align 4 // CHECK-NEXT: [[DIM:%.*]] = zext i32 [[T0]] to i64 // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.stacksave() // CHECK-NEXT: store i8* [[T0]], i8** [[SAVED_STACK]] // Allocate the VLA. // CHECK-NEXT: [[T0:%.*]] = mul nuw i64 2, [[DIM]] // CHECK-NEXT: [[VLA:%.*]] = alloca [3 x i8*], i64 [[T0]], align 16 // Store the VLA #elements expression. // CHECK-NEXT: store i64 [[DIM]], i64* [[VLA_EXPR]], align 8 // Zero-initialize. // CHECK-NEXT: [[T0:%.*]] = bitcast [3 x i8*]* [[VLA]] to i8* // CHECK-NEXT: [[T1:%.*]] = mul nuw i64 2, [[DIM]] // CHECK-NEXT: [[T2:%.*]] = mul nuw i64 [[T1]], 24 // CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 16 [[T0]], i8 0, i64 [[T2]], i1 false) // Destroy. // CHECK-NEXT: [[T0:%.*]] = mul nuw i64 2, [[DIM]] // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[VLA]], i32 0, i32 0 // CHECK-NEXT: [[T1:%.*]] = mul nuw i64 [[T0]], 3 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8*, i8** [[BEGIN]], i64 [[T1]] // CHECK-NEXT: [[EMPTY:%.*]] = icmp eq i8** [[BEGIN]], [[END]] // CHECK-NEXT: br i1 [[EMPTY]] // CHECK: [[AFTER:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ] // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds i8*, i8** [[AFTER]], i64 -1 // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[CUR]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) [[NUW]], !clang.imprecise_release // CHECK-NEXT: [[EQ:%.*]] = icmp eq i8** [[CUR]], [[BEGIN]] // CHECK-NEXT: br i1 [[EQ]], // CHECK: [[T0:%.*]] = load i8*, i8** [[SAVED_STACK]] // CHECK-NEXT: call void @llvm.stackrestore(i8* [[T0]]) // CHECK-NEXT: ret void } // rdar://problem/8922540 // Note that we no longer emit .release_ivars flags. // rdar://problem/12492434 // Note that we set the flag saying that we need destruction *and* // the flag saying that we don't also need construction. // CHECK-GLOBALS: @"_OBJC_CLASS_RO_$_Test23" = internal global [[RO_T:%.*]] { i32 390, @interface Test23 { id x; } @end @implementation Test23 @end // CHECK-GLOBALS: @"_OBJC_CLASS_RO_$_Test24" = internal global [[RO_T:%.*]] { i32 130, @interface Test24 {} @end @implementation Test24 @end // rdar://problem/8941012 @interface Test26 { id x[4]; } @end @implementation Test26 @end // CHECK: define internal void @"\01-[Test26 .cxx_destruct]"( // CHECK: [[SELF:%.*]] = load [[TEST26:%.*]]*, [[TEST26:%.*]]** // CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test26.x" // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST26]]* [[SELF]] to i8* // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[OFFSET]] // CHECK-NEXT: [[X:%.*]] = bitcast i8* [[T1]] to [4 x i8*]* // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[X]], i32 0, i32 0 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds i8*, i8** [[BEGIN]], i64 4 // CHECK-NEXT: br label // CHECK: [[PAST:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ] // CHECK-NEXT: [[CUR]] = getelementptr inbounds i8*, i8** [[PAST]], i64 -1 // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** [[CUR]], i8* null) // CHECK-NEXT: [[ISDONE:%.*]] = icmp eq i8** [[CUR]], [[BEGIN]] // CHECK-NEXT: br i1 [[ISDONE]], // CHECK: ret void // Check that 'init' retains self. @interface Test27 - (id) init; @end @implementation Test27 - (id) init { return self; } // CHECK: define internal i8* @"\01-[Test27 init]" // CHECK: [[SELF:%.*]] = alloca [[TEST27:%.*]]*, // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, // CHECK-NEXT: store [[TEST27]]* {{%.*}}, [[TEST27]]** [[SELF]] // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] // CHECK-NEXT: [[T0:%.*]] = load [[TEST27]]*, [[TEST27]]** [[SELF]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST27]]* [[T0]] to i8* // CHECK-NEXT: [[T2:%.*]] = call i8* @llvm.objc.retain(i8* [[T1]]) // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST27]]* // CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST27]]* [[T3]] to i8* // CHECK-NEXT: [[T0:%.*]] = load [[TEST27]]*, [[TEST27]]** [[SELF]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST27]]* [[T0]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) // CHECK-NEXT: ret i8* [[RET]] @end // rdar://problem/8087194 @interface Test28 @property (copy) id prop; @end @implementation Test28 @synthesize prop; @end // CHECK: define internal void @"\01-[Test28 .cxx_destruct]" // CHECK: [[SELF:%.*]] = load [[TEST28:%.*]]*, [[TEST28:%.*]]** // CHECK-NEXT: [[OFFSET:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test28.prop" // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST28]]* [[SELF]] to i8* // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[OFFSET]] // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to i8** // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** [[T2]], i8* null) // CHECK-NEXT: ret void @interface Test29_super - (id) initWithAllocator: (id) allocator; @end @interface Test29 : Test29_super - (id) init; - (id) initWithAllocator: (id) allocator; @end @implementation Test29 static id _test29_allocator = 0; - (id) init { // CHECK: define internal i8* @"\01-[Test29 init]"([[TEST29:%[^*]*]]* {{%.*}}, // CHECK: [[SELF:%.*]] = alloca [[TEST29]]*, align 8 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 8 // CHECK-NEXT: store [[TEST29]]* {{%.*}}, [[TEST29]]** [[SELF]] // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] // Evaluate arguments. Note that the send argument is evaluated // before the zeroing of self. // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]], align 8 // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** @_test29_allocator, align 8 // Implicit null of 'self', i.e. direct transfer of ownership. // CHECK-NEXT: store [[TEST29]]* null, [[TEST29]]** [[SELF]] // Actual message send. // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: [[T3:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* // CHECK-NEXT: [[CALL:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i8*)*)(i8* [[T3]], i8* [[T2]], i8* [[T1]]) // Implicit write of result back into 'self'. This is not supposed to // be detectable because we're supposed to ban accesses to the old // self value past the delegate init call. // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[CALL]] to [[TEST29]]* // CHECK-NEXT: store [[TEST29]]* [[T0]], [[TEST29]]** [[SELF]] // Return statement. // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[CALL]] // CHECK-NEXT: [[CALL:%.*]] = bitcast // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.objc.retain(i8* [[CALL]]) [[NUW]] // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST29]]* // CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST29]]* [[T1]] to i8* // Cleanup. // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) [[NUW]], !clang.imprecise_release // Return. // CHECK-NEXT: ret i8* [[RET]] return [self initWithAllocator: _test29_allocator]; } - (id) initWithAllocator: (id) allocator { // CHECK: define internal i8* @"\01-[Test29 initWithAllocator:]"( // CHECK: [[SELF:%.*]] = alloca [[TEST29]]*, align 8 // CHECK-NEXT: [[CMD:%.*]] = alloca i8*, align 8 // CHECK-NEXT: [[ALLOCATOR:%.*]] = alloca i8*, align 8 // CHECK-NEXT: alloca // CHECK-NEXT: store [[TEST29]]* {{%.*}}, [[TEST29]]** [[SELF]] // CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]] // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.objc.retain(i8* {{%.*}}) // CHECK-NEXT: store i8* [[T0]], i8** [[ALLOCATOR]] // Evaluate arguments. Note that the send argument is evaluated // before the zeroing of self. // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]] // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[ALLOCATOR]], align 8 // Implicit null of 'self', i.e. direct transfer of ownership. // CHECK-NEXT: store [[TEST29]]* null, [[TEST29]]** [[SELF]] // Actual message send. // CHECK: [[CALL:%.*]] = call {{.*}} @objc_msgSendSuper2 // Implicit write of result back into 'self'. This is not supposed to // be detectable because we're supposed to ban accesses to the old // self value past the delegate init call. // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[CALL]] to [[TEST29]]* // CHECK-NEXT: store [[TEST29]]* [[T0]], [[TEST29]]** [[SELF]] // Assignment. // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[CALL]] to [[TEST29]]* // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* // CHECK-NEXT: [[T2:%.*]] = call i8* @llvm.objc.retain(i8* [[T1]]) [[NUW]] // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST29]]* // CHECK-NEXT: [[T4:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]], align // CHECK-NEXT: store [[TEST29]]* [[T3]], [[TEST29]]** [[SELF]], align // CHECK-NEXT: [[T5:%.*]] = bitcast [[TEST29]]* [[T4]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T5]]) // Return statement. // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.objc.retain(i8* [[T1]]) [[NUW]] // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST29]]* // CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST29]]* [[T1]] to i8* // Cleanup. // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ALLOCATOR]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) [[NUW]], !clang.imprecise_release // CHECK-NEXT: [[T0:%.*]] = load [[TEST29]]*, [[TEST29]]** [[SELF]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST29]]* [[T0]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) [[NUW]], !clang.imprecise_release // Return. // CHECK-NEXT: ret i8* [[RET]] self = [super initWithAllocator: allocator]; return self; } @end typedef struct Test30_helper Test30_helper; @interface Test30 - (id) init; - (Test30_helper*) initHelper; @end @implementation Test30 { char *helper; } - (id) init { // CHECK: define internal i8* @"\01-[Test30 init]"([[TEST30:%[^*]*]]* {{%.*}}, // CHECK: [[RET:%.*]] = alloca [[TEST30]]* // CHECK-NEXT: alloca i8* // CHECK-NEXT: store [[TEST30]]* {{%.*}}, [[TEST30]]** [[SELF]] // CHECK-NEXT: store // Call. // CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]*, [[TEST30]]** [[SELF]] // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST30]]* [[T0]] to i8* // CHECK-NEXT: [[CALL:%.*]] = call [[TEST30_HELPER:%.*]]* bitcast {{.*}} @objc_msgSend {{.*}}(i8* [[T2]], i8* [[T1]]) // Assignment. // CHECK-NEXT: [[T0:%.*]] = bitcast [[TEST30_HELPER]]* [[CALL]] to i8* // CHECK-NEXT: [[T1:%.*]] = load [[TEST30]]*, [[TEST30]]** [[SELF]] // CHECK-NEXT: [[IVAR:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test30.helper" // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST30]]* [[T1]] to i8* // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[IVAR]] // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** // CHECK-NEXT#: [[T5:%.*]] = load i8*, i8** [[T4]] // CHECK-NEXT#: [[T6:%.*]] = call i8* @llvm.objc.retain(i8* [[T0]]) // CHECK-NEXT#: call void @llvm.objc.release(i8* [[T5]]) // CHECK-NEXT: store i8* [[T0]], i8** [[T4]] // Return. // CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]*, [[TEST30]]** [[SELF]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST30]]* [[T0]] to i8* // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.objc.retain(i8* [[T1]]) // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST30]]* // CHECK-NEXT: [[RET:%.*]] = bitcast [[TEST30]]* [[T1]] to i8* // Cleanup. // CHECK-NEXT: [[T0:%.*]] = load [[TEST30]]*, [[TEST30]]** [[SELF]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST30]]* [[T0]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) // Epilogue. // CHECK-NEXT: ret i8* [[RET]] self->helper = [self initHelper]; return self; } - (Test30_helper*) initHelper { // CHECK: define internal [[TEST30_HELPER]]* @"\01-[Test30 initHelper]"( // CHECK: alloca // CHECK-NEXT: alloca // CHECK-NEXT: store // CHECK-NEXT: store // CHECK-NEXT: ret [[TEST30_HELPER]]* null return 0; } @end __attribute__((ns_returns_retained)) id test32(void) { // CHECK-LABEL: define i8* @test32() // CHECK: [[CALL:%.*]] = call i8* @test32_helper() // CHECK-NEXT: [[T0:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[CALL]]) // CHECK-NEXT: ret i8* [[T0]] extern id test32_helper(void); return test32_helper(); } @class Test33_a; @interface Test33 - (void) give: (Test33_a **) x; - (void) take: (Test33_a **) x; - (void) giveStrong: (out __strong Test33_a **) x; - (void) takeStrong: (inout __strong Test33_a **) x; - (void) giveOut: (out Test33_a **) x; @end void test33(Test33 *ptr) { Test33_a *a; [ptr give: &a]; [ptr take: &a]; [ptr giveStrong: &a]; [ptr takeStrong: &a]; [ptr giveOut: &a]; // CHECK: define void @test33([[TEST33:%.*]]* // CHECK: [[PTR:%.*]] = alloca [[TEST33]]* // CHECK-NEXT: [[A:%.*]] = alloca [[A_T:%.*]]* // CHECK-NEXT: [[TEMP0:%.*]] = alloca [[A_T]]* // CHECK-NEXT: [[TEMP1:%.*]] = alloca [[A_T]]* // CHECK-NEXT: [[TEMP2:%.*]] = alloca [[A_T]]* // CHECK-NEXT: bitcast // CHECK-NEXT: llvm.objc.retain // CHECK-NEXT: bitcast // CHECK-NEXT: store // CHECK-NEXT: bitcast // CHECK-NEXT: call void @llvm.lifetime.start // CHECK-NEXT: store [[A_T]]* null, [[A_T]]** [[A]] // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] // CHECK-NEXT: [[W0:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] // CHECK-NEXT: store [[A_T]]* [[W0]], [[A_T]]** [[TEMP0]] // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: bitcast // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[TEMP0]]) // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]*, [[A_T]]** [[TEMP0]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[A_T]]* [[T0]] to i8* // CHECK-NEXT: [[T2:%.*]] = call i8* @llvm.objc.retain(i8* [[T1]]) // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A_T]]* // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.use([[A_T]]* [[W0]]) [[NUW]] // CHECK-NEXT: [[T4:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] // CHECK-NEXT: store [[A_T]]* [[T3]], [[A_T]]** [[A]] // CHECK-NEXT: [[T5:%.*]] = bitcast [[A_T]]* [[T4]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T5]]) // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] // CHECK-NEXT: [[W0:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] // CHECK-NEXT: store [[A_T]]* [[W0]], [[A_T]]** [[TEMP1]] // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: bitcast // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[TEMP1]]) // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]*, [[A_T]]** [[TEMP1]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[A_T]]* [[T0]] to i8* // CHECK-NEXT: [[T2:%.*]] = call i8* @llvm.objc.retain(i8* [[T1]]) // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A_T]]* // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.use([[A_T]]* [[W0]]) [[NUW]] // CHECK-NEXT: [[T4:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] // CHECK-NEXT: store [[A_T]]* [[T3]], [[A_T]]** [[A]] // CHECK-NEXT: [[T5:%.*]] = bitcast [[A_T]]* [[T4]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T5]]) // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: bitcast // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[A]]) // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: bitcast // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[A]]) // 'out' // CHECK-NEXT: load [[TEST33]]*, [[TEST33]]** [[PTR]] // CHECK-NEXT: store [[A_T]]* null, [[A_T]]** [[TEMP2]] // CHECK-NEXT: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: bitcast // CHECK-NEXT: objc_msgSend{{.*}}, [[A_T]]** [[TEMP2]]) // CHECK-NEXT: [[T0:%.*]] = load [[A_T]]*, [[A_T]]** [[TEMP2]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[A_T]]* [[T0]] to i8* // CHECK-NEXT: [[T2:%.*]] = call i8* @llvm.objc.retain(i8* [[T1]]) // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[A_T]]* // CHECK-NEXT: [[T4:%.*]] = load [[A_T]]*, [[A_T]]** [[A]] // CHECK-NEXT: store [[A_T]]* [[T3]], [[A_T]]** [[A]] // CHECK-NEXT: [[T5:%.*]] = bitcast [[A_T]]* [[T4]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T5]]) // CHECK-NEXT: load // CHECK-NEXT: bitcast // CHECK-NEXT: llvm.objc.release // CHECK-NEXT: bitcast // CHECK-NEXT: call void @llvm.lifetime.end // CHECK-NEXT: load // CHECK-NEXT: bitcast // CHECK-NEXT: llvm.objc.release // CHECK-NEXT: ret void } // CHECK-LABEL: define void @test36 void test36(id x) { // CHECK: [[X:%.*]] = alloca i8* // CHECK: call i8* @llvm.objc.retain // CHECK: call i8* @llvm.objc.retain // CHECK: call i8* @llvm.objc.retain id array[3] = { @"A", x, @"y" }; // CHECK: [[T0:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: store i8* null, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) x = 0; // CHECK: br label // CHECK: call void @llvm.objc.release // CHECK: br i1 // CHECK: call void @llvm.objc.release // CHECK-NEXT: ret void } @class Test37; void test37(void) { extern void test37_helper(id *); Test37 *var; test37_helper(&var); // CHECK-LABEL: define void @test37() // CHECK: [[VAR:%.*]] = alloca [[TEST37:%.*]]*, // CHECK-NEXT: [[TEMP:%.*]] = alloca i8* // CHECK-NEXT: [[VARPTR1:%.*]] = bitcast [[TEST37]]** [[VAR]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[VARPTR1]]) // CHECK-NEXT: store [[TEST37]]* null, [[TEST37]]** [[VAR]] // CHECK-NEXT: [[W0:%.*]] = load [[TEST37]]*, [[TEST37]]** [[VAR]] // CHECK-NEXT: [[W1:%.*]] = bitcast [[TEST37]]* [[W0]] to i8* // CHECK-NEXT: store i8* [[W1]], i8** [[TEMP]] // CHECK-NEXT: call void @test37_helper(i8** [[TEMP]]) // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[TEMP]] // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[TEST37]]* // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST37]]* [[T1]] to i8* // CHECK-NEXT: [[T3:%.*]] = call i8* @llvm.objc.retain(i8* [[T2]]) // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[TEST37]]* // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.use(i8* [[W1]]) [[NUW]] // CHECK-NEXT: [[T5:%.*]] = load [[TEST37]]*, [[TEST37]]** [[VAR]] // CHECK-NEXT: store [[TEST37]]* [[T4]], [[TEST37]]** [[VAR]] // CHECK-NEXT: [[T6:%.*]] = bitcast [[TEST37]]* [[T5]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T6]]) // CHECK-NEXT: [[T0:%.*]] = load [[TEST37]]*, [[TEST37]]** [[VAR]] // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST37]]* [[T0]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) // CHECK-NEXT: [[VARPTR2:%.*]] = bitcast [[TEST37]]** [[VAR]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[VARPTR2]]) // CHECK-NEXT: ret void } @interface Test43 @end @implementation Test43 - (id) test __attribute__((ns_returns_retained)) { extern id test43_produce(void); return test43_produce(); // CHECK: call i8* @test43_produce() // CHECK-NEXT: notail call i8* @llvm.objc.retainAutoreleasedReturnValue( // CHECK-NEXT: ret } @end @interface Test45 @property (retain) id x; @end @implementation Test45 @synthesize x; @end // CHECK: define internal i8* @"\01-[Test45 x]"( // CHECK: [[CALL:%.*]] = tail call i8* @objc_getProperty( // CHECK-NEXT: ret i8* [[CALL]] // rdar://problem/9315552 void test46(__weak id *wp, __weak volatile id *wvp) { extern id test46_helper(void); // TODO: this is sub-optimal, we should retain at the actual call site. // CHECK: [[T0:%.*]] = call i8* @test46_helper() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: [[T2:%.*]] = load i8**, i8*** {{%.*}}, align 8 // CHECK-NEXT: [[T3:%.*]] = call i8* @llvm.objc.storeWeak(i8** [[T2]], i8* [[T1]]) // CHECK-NEXT: [[T4:%.*]] = call i8* @llvm.objc.retain(i8* [[T3]]) // CHECK-NEXT: store i8* [[T4]], i8** // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) id x = *wp = test46_helper(); // CHECK: [[T0:%.*]] = call i8* @test46_helper() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: [[T2:%.*]] = load i8**, i8*** {{%.*}}, align 8 // CHECK-NEXT: [[T3:%.*]] = call i8* @llvm.objc.storeWeak(i8** [[T2]], i8* [[T1]]) // CHECK-NEXT: [[T4:%.*]] = call i8* @llvm.objc.retain(i8* [[T3]]) // CHECK-NEXT: store i8* [[T4]], i8** // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) id y = *wvp = test46_helper(); } // rdar://problem/9378887 void test47(void) { extern id test47_helper(void); id x = x = test47_helper(); // CHECK-LABEL: define void @test47() // CHECK: [[X:%.*]] = alloca i8* // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: store i8* null, i8** [[X]] // CHECK-NEXT: [[CALL:%.*]] = call i8* @test47_helper() // CHECK-NEXT: [[T0:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[CALL]]) // CHECK-NEXT: [[T1:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: store i8* [[T0]], i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) // CHECK-NEXT: [[T2:%.*]] = call i8* @llvm.objc.retain(i8* [[T0]]) // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: store i8* [[T2]], i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T3]]) // CHECK-NEXT: [[T4:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T4]]) // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } void test48(void) { extern id test48_helper(void); __weak id x = x = test48_helper(); // CHECK-LABEL: define void @test48() // CHECK: [[X:%.*]] = alloca i8* // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: [[T0:%.*]] = call i8* @llvm.objc.initWeak(i8** [[X]], i8* null) // CHECK-NEXT: [[T1:%.*]] = call i8* @test48_helper() // CHECK-NEXT: [[T2:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T1]]) // CHECK-NEXT: [[T3:%.*]] = call i8* @llvm.objc.storeWeak(i8** [[X]], i8* [[T2]]) // CHECK-NEXT: [[T4:%.*]] = call i8* @llvm.objc.storeWeak(i8** [[X]], i8* [[T3]]) // CHECK-NEXT: call void @llvm.objc.release(i8* [[T2]]) // CHECK-NEXT: call void @llvm.objc.destroyWeak(i8** [[X]]) // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } void test49(void) { extern id test49_helper(void); __autoreleasing id x = x = test49_helper(); // CHECK-LABEL: define void @test49() // CHECK: [[X:%.*]] = alloca i8* // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: store i8* null, i8** [[X]] // CHECK-NEXT: [[CALL:%.*]] = call i8* @test49_helper() // CHECK-NEXT: [[T0:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[CALL]]) // CHECK-NEXT: [[T1:%.*]] = call i8* @llvm.objc.autorelease(i8* [[T0]]) // CHECK-NEXT: store i8* [[T2]], i8** [[X]] // CHECK-NEXT: [[T3:%.*]] = call i8* @llvm.objc.retainAutorelease(i8* [[T1]]) // CHECK-NEXT: store i8* [[T3]], i8** [[X]] // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } // rdar://9380136 id x(); void test50(id y) { ({x();}); // CHECK: [[T0:%.*]] = call i8* @llvm.objc.retain // CHECK: call void @llvm.objc.release } // rdar://9400762 struct CGPoint { float x; float y; }; typedef struct CGPoint CGPoint; @interface Foo @property (assign) CGPoint point; @end @implementation Foo @synthesize point; @end // rdar://problem/9400398 id test52(void) { id test52_helper(int) __attribute__((ns_returns_retained)); return ({ int x = 5; test52_helper(x); }); // CHECK-LABEL: define i8* @test52() // CHECK: [[X:%.*]] = alloca i32 // CHECK-NEXT: [[TMPALLOCA:%.*]] = alloca i8* // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i32* [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* [[XPTR1]]) // CHECK-NEXT: store i32 5, i32* [[X]], // CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[X]], // CHECK-NEXT: [[T1:%.*]] = call i8* @test52_helper(i32 [[T0]]) // CHECK-NEXT: store i8* [[T1]], i8** [[TMPALLOCA]] // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i32* [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4, i8* [[XPTR2]]) // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[TMPALLOCA]] // CHECK-NEXT: [[T3:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T2]]) // CHECK-NEXT: ret i8* [[T3]] } // rdar://problem/9400644 void test53(void) { id test53_helper(void); id x = ({ id y = test53_helper(); y; }); (void) x; // CHECK-LABEL: define void @test53() // CHECK: [[X:%.*]] = alloca i8*, // CHECK-NEXT: [[Y:%.*]] = alloca i8*, // CHECK-NEXT: [[TMPALLOCA:%.*]] = alloca i8*, // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[YPTR1]]) // CHECK-NEXT: [[T0:%.*]] = call i8* @test53_helper() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: store i8* [[T1]], i8** [[Y]], // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]], // CHECK-NEXT: [[T1:%.*]] = call i8* @llvm.objc.retain(i8* [[T0]]) // CHECK-NEXT: store i8* [[T1]], i8** [[TMPALLOCA]] // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[Y]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T2]]) // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[YPTR2]]) // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** [[TMPALLOCA]] // CHECK-NEXT: store i8* [[T3]], i8** [[X]], // CHECK-NEXT: load i8*, i8** [[X]], // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } // // CHECK-LABEL: define void @test54(i32 %first, ...) void test54(int first, ...) { __builtin_va_list arglist; // CHECK: call void @llvm.va_start __builtin_va_start(arglist, first); // CHECK: call i8* @llvm.objc.retain id obj = __builtin_va_arg(arglist, id); // CHECK: call void @llvm.va_end __builtin_va_end(arglist); // CHECK: call void @llvm.objc.release // CHECK: ret void } // PR10228 @interface Test55Base @end @interface Test55 : Test55Base @end @implementation Test55 (Category) - (void) dealloc {} @end // CHECK: define internal void @"\01-[Test55(Category) dealloc]"( // CHECK-NOT: ret // CHECK: call void bitcast (i8* ({{%.*}}*, i8*, ...)* @objc_msgSendSuper2 to void ({{%.*}}*, i8*)*)( // rdar://problem/8024350 @protocol Test56Protocol + (id) make __attribute__((ns_returns_retained)); @end @interface Test56 @end @implementation Test56 // CHECK: define internal i8* @"\01+[Test56 make]"( + (id) make { extern id test56_helper(void); // CHECK: [[T0:%.*]] = call i8* @test56_helper() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: ret i8* [[T1]] return test56_helper(); } @end void test56_test(void) { id x = [Test56 make]; // CHECK-LABEL: define void @test56_test() // CHECK: [[X:%.*]] = alloca i8*, align 8 // CHECK-NEXT: [[XPTR1:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[XPTR1]]) // CHECK: [[T0:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)( // CHECK-NEXT: store i8* [[T0]], i8** [[X]] // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) // CHECK-NEXT: [[XPTR2:%.*]] = bitcast i8** [[X]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[XPTR2]]) // CHECK-NEXT: ret void } // rdar://problem/9784964 @interface Test57 @property (nonatomic, strong) id strong; @property (nonatomic, weak) id weak; @property (nonatomic, unsafe_unretained) id unsafe; @end @implementation Test57 @synthesize strong, weak, unsafe; @end // CHECK: define internal i8* @"\01-[Test57 strong]"( // CHECK: [[T0:%.*]] = load [[TEST57:%.*]]*, [[TEST57:%.*]]** {{%.*}} // CHECK-NEXT: [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test57.strong" // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST57]]* [[T0]] to i8* // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]] // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** // CHECK-NEXT: [[T5:%.*]] = load i8*, i8** [[T4]] // CHECK-NEXT: ret i8* [[T5]] // CHECK: define internal i8* @"\01-[Test57 weak]"( // CHECK: [[T0:%.*]] = load [[TEST57]]*, [[TEST57]]** {{%.*}} // CHECK-NEXT: [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test57.weak" // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST57]]* [[T0]] to i8* // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]] // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** // CHECK-NEXT: [[T5:%.*]] = call i8* @llvm.objc.loadWeakRetained(i8** [[T4]]) // CHECK-NEXT: [[T6:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T5]]) // CHECK-NEXT: ret i8* [[T6]] // CHECK: define internal i8* @"\01-[Test57 unsafe]"( // CHECK: [[T0:%.*]] = load [[TEST57]]*, [[TEST57]]** {{%.*}} // CHECK-NEXT: [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_Test57.unsafe" // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST57]]* [[T0]] to i8* // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]] // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8** // CHECK-NEXT: [[T5:%.*]] = load i8*, i8** [[T4]] // CHECK-NEXT: ret i8* [[T5]] // rdar://problem/9842343 void test59(void) { extern id test59_getlock(void); extern void test59_body(void); @synchronized (test59_getlock()) { test59_body(); } // CHECK-LABEL: define void @test59() // CHECK: [[T0:%.*]] = call i8* @test59_getlock() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: call i32 @objc_sync_enter(i8* [[T1]]) // CHECK-NEXT: call void @test59_body() // CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T1]]) // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) // CHECK-NEXT: ret void } // Verify that we don't try to reclaim the result of performSelector. // rdar://problem/9887545 @interface Test61 - (id) performSelector: (SEL) selector; - (void) test61_void; - (id) test61_id; @end void test61(void) { // CHECK-LABEL: define void @test61() // CHECK: [[Y:%.*]] = alloca i8*, align 8 extern id test61_make(void); // CHECK-NEXT: [[T0:%.*]] = call i8* @test61_make() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: [[T4:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i8*)*)(i8* [[T1]], i8* [[T3]], i8* [[T2]]) // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) [test61_make() performSelector: @selector(test61_void)]; // CHECK-NEXT: [[YPTR1:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[YPTR1]]) // CHECK-NEXT: [[T0:%.*]] = call i8* @test61_make() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: [[T3:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ // CHECK-NEXT: [[T4:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*, i8*)*)(i8* [[T1]], i8* [[T3]], i8* [[T2]]) // CHECK-NEXT: [[T5:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T4]]) // CHECK-NEXT: store i8* [[T5]], i8** [[Y]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T1]]) id y = [test61_make() performSelector: @selector(test61_id)]; // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) // CHECK-NEXT: [[YPTR2:%.*]] = bitcast i8** [[Y]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[YPTR2]]) // CHECK-NEXT: ret void } // rdar://problem/9891815 void test62(void) { // CHECK-LABEL: define void @test62() // CHECK: [[I:%.*]] = alloca i32, align 4 // CHECK-NEXT: [[CLEANUP_VALUE:%.*]] = alloca i8* // CHECK-NEXT: [[CLEANUP_REQUIRED:%.*]] = alloca i1 extern id test62_make(void); extern void test62_body(void); // CHECK-NEXT: [[IPTR:%.*]] = bitcast i32* [[I]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* [[IPTR]]) // CHECK-NEXT: store i32 0, i32* [[I]], align 4 // CHECK-NEXT: br label // CHECK: [[T0:%.*]] = load i32, i32* [[I]], align 4 // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 20 // CHECK-NEXT: br i1 [[T1]], for (unsigned i = 0; i != 20; ++i) { // CHECK: [[T0:%.*]] = load i32, i32* [[I]], align 4 // CHECK-NEXT: [[T1:%.*]] = icmp ne i32 [[T0]], 0 // CHECK-NEXT: store i1 false, i1* [[CLEANUP_REQUIRED]] // CHECK-NEXT: br i1 [[T1]], // CHECK: [[T0:%.*]] = call i8* @test62_make() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: store i8* [[T1]], i8** [[CLEANUP_VALUE]] // CHECK-NEXT: store i1 true, i1* [[CLEANUP_REQUIRED]] // CHECK-NEXT: [[T2:%.*]] = icmp ne i8* [[T1]], null // CHECK-NEXT: br label // CHECK: [[COND:%.*]] = phi i1 [ false, {{%.*}} ], [ [[T2]], {{%.*}} ] // CHECK-NEXT: [[T0:%.*]] = load i1, i1* [[CLEANUP_REQUIRED]] // CHECK-NEXT: br i1 [[T0]], // CHECK: [[T0:%.*]] = load i8*, i8** [[CLEANUP_VALUE]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T0]]) // CHECK-NEXT: br label // CHECK: br i1 [[COND]] // CHECK: call void @test62_body() // CHECK-NEXT: br label // CHECK: br label if (i != 0 && test62_make() != 0) test62_body(); } // CHECK: [[T0:%.*]] = load i32, i32* [[I]], align 4 // CHECK-NEXT: [[T1:%.*]] = add i32 [[T0]], 1 // CHECK-NEXT: store i32 [[T1]], i32* [[I]] // CHECK-NEXT: br label // CHECK: ret void } // rdar://9971982 @class NSString; @interface Person { NSString *name; } @property NSString *address; @end @implementation Person @synthesize address; @end // CHECK: tail call i8* @objc_getProperty // CHECK: call void @objc_setProperty // Verify that we successfully parse and preserve this attribute in // this position. @interface Test66 - (void) consume: (id __attribute__((ns_consumed))) ptr; @end void test66(void) { extern Test66 *test66_receiver(void); extern id test66_arg(void); [test66_receiver() consume: test66_arg()]; } // CHECK-LABEL: define void @test66() // CHECK: [[T0:%.*]] = call [[TEST66:%.*]]* @test66_receiver() // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST66]]* [[T0]] to i8* // CHECK-NEXT: [[T2:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T1]]) // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[TEST66]]* // CHECK-NEXT: [[T4:%.*]] = call i8* @test66_arg() // CHECK-NEXT: [[T5:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T4]]) // CHECK-NEXT: [[T6:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES // CHECK-NEXT: [[T7:%.*]] = bitcast [[TEST66]]* [[T3]] to i8* // CHECK-NEXT: [[SIX:%.*]] = icmp eq i8* [[T7]], null // CHECK-NEXT: br i1 [[SIX]], label [[NULINIT:%.*]], label [[CALL:%.*]] // CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, i8*)*)(i8* [[T7]], i8* [[T6]], i8* [[T5]]) // CHECK-NEXT: br label [[CONT:%.*]] // CHECK: call void @llvm.objc.release(i8* [[T5]]) [[NUW]] // CHECK-NEXT: br label [[CONT:%.*]] // CHECK: [[T8:%.*]] = bitcast [[TEST66]]* [[T3]] to i8* // CHECK-NEXT: call void @llvm.objc.release(i8* [[T8]]) // CHECK-NEXT: ret void // rdar://problem/9953540 Class test67_helper(void); void test67(void) { Class cl = test67_helper(); } // CHECK-LABEL: define void @test67() // CHECK: [[CL:%.*]] = alloca i8*, align 8 // CHECK-NEXT: [[CLPTR1:%.*]] = bitcast i8** [[CL]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[CLPTR1]]) // CHECK-NEXT: [[T0:%.*]] = call i8* @test67_helper() // CHECK-NEXT: store i8* [[T0]], i8** [[CL]], align 8 // CHECK-NEXT: [[CLPTR2:%.*]] = bitcast i8** [[CL]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[CLPTR2]]) // CHECK-NEXT: ret void Class test68_helper(void); void test68(void) { __strong Class cl = test67_helper(); } // CHECK-LABEL: define void @test68() // CHECK: [[CL:%.*]] = alloca i8*, align 8 // CHECK-NEXT: [[CLPTR1:%.*]] = bitcast i8** [[CL]] to i8* // CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[CLPTR1]]) // CHECK-NEXT: [[T0:%.*]] = call i8* @test67_helper() // CHECK-NEXT: [[T1:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[T0]]) // CHECK-NEXT: store i8* [[T1]], i8** [[CL]], align 8 // CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[CL]] // CHECK-NEXT: call void @llvm.objc.release(i8* [[T2]]) // CHECK-NEXT: [[CLPTR2:%.*]] = bitcast i8** [[CL]] to i8* // CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[CLPTR2]]) // CHECK-NEXT: ret void // rdar://problem/10564852 @interface Test69 @end @implementation Test69 - (id) foo { return self; } @end // CHECK: define internal i8* @"\01-[Test69 foo]"( // CHECK: [[SELF:%.*]] = alloca [[TEST69:%.*]]*, align 8 // CHECK: [[T0:%.*]] = load [[TEST69]]*, [[TEST69]]** [[SELF]], align 8 // CHECK-NEXT: [[T1:%.*]] = bitcast [[TEST69]]* [[T0]] to i8* // CHECK-NEXT: ret i8* [[T1]] // rdar://problem/10907547 void test70(id i) { // CHECK-LABEL: define void @test70 // CHECK: store i8* null, i8** // CHECK: store i8* null, i8** // CHECK: [[ID:%.*]] = call i8* @llvm.objc.retain(i8* // CHECK: store i8* [[ID]], i8** id x[3] = { [2] = i }; } // Be sure that we emit lifetime intrinsics only after dtors struct AggDtor { char cs[40]; id x; }; struct AggDtor getAggDtor(void); // CHECK-LABEL: define void @test71 void test71(void) { // CHECK: %[[T:[^ ]+]] = bitcast %struct.AggDtor* %[[TMP1:[^ ]+]] to i8* // CHECK: call void @llvm.lifetime.start.p0i8({{[^,]+}}, i8* %[[T]]) // CHECK: call void @getAggDtor(%struct.AggDtor* sret(%struct.AggDtor) align 8 %[[TMP1]]) // CHECK: %[[T:[^ ]+]] = bitcast %struct.AggDtor* %[[TMP1]] to i8** // CHECK: call void @__destructor_8_s40(i8** %[[T]]) // CHECK: %[[T:[^ ]+]] = bitcast %struct.AggDtor* %[[TMP1:[^ ]+]] to i8* // CHECK: call void @llvm.lifetime.end.p0i8({{[^,]+}}, i8* %[[T]]) // CHECK: %[[T:[^ ]+]] = bitcast %struct.AggDtor* %[[TMP2:[^ ]+]] to i8* // CHECK: call void @llvm.lifetime.start.p0i8({{[^,]+}}, i8* %[[T]]) // CHECK: call void @getAggDtor(%struct.AggDtor* sret(%struct.AggDtor) align 8 %[[TMP2]]) // CHECK: %[[T:[^ ]+]] = bitcast %struct.AggDtor* %[[TMP2]] to i8** // CHECK: call void @__destructor_8_s40(i8** %[[T]]) // CHECK: %[[T:[^ ]+]] = bitcast %struct.AggDtor* %[[TMP2:[^ ]+]] to i8* // CHECK: call void @llvm.lifetime.end.p0i8({{[^,]+}}, i8* %[[T]]) getAggDtor(); getAggDtor(); } // Check that no extra release calls are emitted to detruct the compond literal. // CHECK: define void @test72(i8* %[[A:.*]], i8* %[[B:.*]]) // CHECK: %[[A_ADDR:.*]] = alloca i8*, align 8 // CHECK: %[[B_ADDR:.*]] = alloca i8*, align 8 // CHECK: %[[T:.*]] = alloca [2 x i8*], align 16 // CHECK: %[[V0:.*]] = call i8* @llvm.objc.retain(i8* %[[A]]) // CHECK: %[[V1:.*]] = call i8* @llvm.objc.retain(i8* %[[B]]) #2 // CHECK: %[[ARRAYINIT_BEGIN:.*]] = getelementptr inbounds [2 x i8*], [2 x i8*]* %[[T]], i64 0, i64 0 // CHECK: %[[V3:.*]] = load i8*, i8** %[[A_ADDR]], align 8, !tbaa !7 // CHECK: %[[V4:.*]] = call i8* @llvm.objc.retain(i8* %[[V3]]) #2 // CHECK: store i8* %[[V4]], i8** %[[ARRAYINIT_BEGIN]], align 8, !tbaa !7 // CHECK: %[[ARRAYINIT_ELEMENT:.*]] = getelementptr inbounds i8*, i8** %[[ARRAYINIT_BEGIN]], i64 1 // CHECK: %[[V5:.*]] = load i8*, i8** %[[B_ADDR]], align 8, !tbaa !7 // CHECK: %[[V6:.*]] = call i8* @llvm.objc.retain(i8* %[[V5]]) #2 // CHECK: store i8* %[[V6]], i8** %[[ARRAYINIT_ELEMENT]], align 8, !tbaa !7 // CHECK: %[[ARRAY_BEGIN:.*]] = getelementptr inbounds [2 x i8*], [2 x i8*]* %[[T]], i32 0, i32 0 // CHECK: %[[V7:.*]] = getelementptr inbounds i8*, i8** %[[ARRAY_BEGIN]], i64 2 // CHECK-NOT: call void @llvm.objc.release // CHECK: %[[ARRAYDESTROY_ELEMENTPAST:.*]] = phi i8** [ %[[V7]], %{{.*}} ], [ %[[ARRAYDESTROY_ELEMENT:.*]], %{{.*}} ] // CHECK: %[[ARRAYDESTROY_ELEMENT]] = getelementptr inbounds i8*, i8** %[[ARRAYDESTROY_ELEMENTPAST]], i64 -1 // CHECK: %[[V8:.*]] = load i8*, i8** %[[ARRAYDESTROY_ELEMENT]], align 8 // CHECK: call void @llvm.objc.release(i8* %[[V8]]) #2, !clang.imprecise_release !10 // CHECK-NOT: call void @llvm.objc.release // CHECK: %[[V10:.*]] = load i8*, i8** %[[B_ADDR]], align 8 // CHECK: call void @llvm.objc.release(i8* %[[V10]]) #2, !clang.imprecise_release !10 // CHECK: %[[V11:.*]] = load i8*, i8** %[[A_ADDR]], align 8 // CHECK: call void @llvm.objc.release(i8* %[[V11]]) #2, !clang.imprecise_release !10 void test72(id a, id b) { __strong id t[] = (__strong id[]){a, b}; } // ARC-ALIEN: attributes [[NLB]] = { nonlazybind } // ARC-NATIVE: attributes [[NLB]] = { nonlazybind } // CHECK: attributes [[NUW]] = { nounwind }