179 lines · plain
1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-10.10 -emit-llvm -fblocks -fobjc-weak -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-MODERN2// RUN: %clang_cc1 -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.10 -emit-llvm -fblocks -fobjc-weak -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-FRAGILE3 4@interface Object5- (instancetype) retain;6- (void) run;7@end8 9// CHECK-MODERN: @OBJC_CLASS_NAME_{{.*}} = {{.*}} c"\01\00"10// CHECK-MODERN: @"_OBJC_CLASS_RO_$_Foo" = {{.*}} { i32 77211// 772 == 0x30412// ^ HasMRCWeakIvars13// ^ HasCXXDestructorOnly14// ^ HasCXXStructors15 16// CHECK-FRAGILE: @OBJC_CLASS_NAME_{{.*}} = {{.*}} c"\01\00"17// CHECK-FRAGILE: @OBJC_CLASS_Foo = {{.*}} i32 134225921,18// 134225921 == 0x0800200119// ^ HasMRCWeakIvars20// ^ HasCXXStructors21// ^ Factory22@interface Foo : Object {23 __weak id ivar;24}25@end26 27@implementation Foo28// CHECK-LABEL: define internal void @"\01-[Foo .cxx_destruct]"29// CHECK: call void @llvm.objc.destroyWeak30@end31 32 33void test1(__weak id x) {}34// CHECK-LABEL: define{{.*}} void @_Z5test1P11objc_object(35// CHECK: [[X:%.*]] = alloca ptr,36// CHECK-NEXT: llvm.objc.initWeak37// CHECK-NEXT: llvm.objc.destroyWeak38// CHECK-NEXT: ret void39 40void test2(id y) {41 __weak id z = y;42}43// CHECK-LABEL: define{{.*}} void @_Z5test2P11objc_object(44// CHECK: [[Y:%.*]] = alloca ptr,45// CHECK-NEXT: [[Z:%.*]] = alloca ptr,46// CHECK-NEXT: store47// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[Y]]48// CHECK-NEXT: call ptr @llvm.objc.initWeak(ptr [[Z]], ptr [[T0]])49// CHECK-NEXT: call void @llvm.objc.destroyWeak(ptr [[Z]])50// CHECK-NEXT: ret void51 52void test3(id y) {53 __weak id z;54 z = y;55}56// CHECK-LABEL: define{{.*}} void @_Z5test3P11objc_object(57// CHECK: [[Y:%.*]] = alloca ptr,58// CHECK-NEXT: [[Z:%.*]] = alloca ptr,59// CHECK-NEXT: store60// CHECK-NEXT: store ptr null, ptr [[Z]]61// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[Y]]62// CHECK-NEXT: call ptr @llvm.objc.storeWeak(ptr [[Z]], ptr [[T0]])63// CHECK-NEXT: call void @llvm.objc.destroyWeak(ptr [[Z]])64// CHECK-NEXT: ret void65 66void test4(__weak id *p) {67 id y = *p;68}69// CHECK-LABEL: define{{.*}} void @_Z5test4PU6__weakP11objc_object(70// CHECK: [[P:%.*]] = alloca ptr,71// CHECK-NEXT: [[Y:%.*]] = alloca ptr,72// CHECK-NEXT: store73// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[P]]74// CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeak(ptr [[T0]])75// CHECK-NEXT: store ptr [[T1]], ptr [[Y]]76// CHECK-NEXT: ret void77 78void test5(__weak id *p) {79 id y = [*p retain];80}81// CHECK-LABEL: define{{.*}} void @_Z5test5PU6__weakP11objc_object82// CHECK: [[P:%.*]] = alloca ptr,83// CHECK-NEXT: [[Y:%.*]] = alloca ptr,84// CHECK-NEXT: store85// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[P]]86// CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeakRetained(ptr [[T0]])87// CHECK-NEXT: store ptr [[T1]], ptr [[Y]]88// CHECK-NEXT: ret void89 90void test6(__weak Foo **p) {91 Foo *y = [*p retain];92}93// CHECK-LABEL: define{{.*}} void @_Z5test6PU6__weakP3Foo94// CHECK: [[P:%.*]] = alloca ptr,95// CHECK-NEXT: [[Y:%.*]] = alloca ptr,96// CHECK-NEXT: store97// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[P]]98// CHECK-NEXT: [[T2:%.*]] = call ptr @llvm.objc.loadWeakRetained(ptr [[T0]])99// CHECK-NEXT: store ptr [[T2]], ptr [[Y]]100// CHECK-NEXT: ret void101 102extern "C" id get_object(void);103extern "C" void use_block(void (^)(void));104 105void test7(void) {106 __weak Foo *p = get_object();107 use_block(^{ [p run ]; });108}109// CHECK-LABEL: define{{.*}} void @_Z5test7v110// CHECK: [[P:%.*]] = alloca ptr,111// CHECK: [[T0:%.*]] = call ptr @get_object()112// CHECK-NEXT: call ptr @llvm.objc.initWeak(ptr [[P]], ptr [[T0]])113// CHECK: call void @llvm.objc.copyWeak114// CHECK: call void @use_block115// CHECK: call void @llvm.objc.destroyWeak116 117// CHECK-LABEL: define linkonce_odr hidden void @__copy_helper_block118// CHECK: @llvm.objc.copyWeak119 120// CHECK-LABEL: define linkonce_odr hidden void @__destroy_helper_block121// CHECK: @llvm.objc.destroyWeak122 123void test8(void) {124 __block __weak Foo *p = get_object();125 use_block(^{ [p run ]; });126}127// CHECK-LABEL: define{{.*}} void @_Z5test8v128// CHECK: call ptr @llvm.objc.initWeak129// CHECK-NOT: call void @llvm.objc.copyWeak130// CHECK: call void @use_block131// CHECK: call void @llvm.objc.destroyWeak132 133// CHECK-LABEL: define internal void @__Block_byref_object_copy134// CHECK: call void @llvm.objc.moveWeak135 136// CHECK-LABEL: define internal void @__Block_byref_object_dispose137// CHECK: call void @llvm.objc.destroyWeak138 139// CHECK-LABEL: define{{.*}} void @_Z14test9_baselinev()140// CHECK: define linkonce_odr hidden void @__copy_helper141// CHECK: define linkonce_odr hidden void @__destroy_helper142void test9_baseline(void) {143 Foo *p = get_object();144 use_block(^{ [p run]; });145}146 147// CHECK-LABEL: define{{.*}} void @_Z5test9v()148// CHECK-NOT: define internal void @__copy_helper149// CHECK-NOT: define internal void @__destroy_helper150// CHECK: define{{.*}} void @_Z9test9_finv()151void test9(void) {152 __unsafe_unretained Foo *p = get_object();153 use_block(^{ [p run]; });154}155void test9_fin() {}156 157// CHECK-LABEL: define{{.*}} void @_Z6test10v()158// CHECK-NOT: define internal void @__copy_helper159// CHECK-NOT: define internal void @__destroy_helper160// CHECK: define{{.*}} void @_Z10test10_finv()161void test10(void) {162 typedef __unsafe_unretained Foo *UnsafeFooPtr;163 UnsafeFooPtr p = get_object();164 use_block(^{ [p run]; });165}166void test10_fin() {}167 168// CHECK-LABEL: define weak_odr void @_Z6test11ILj0EEvv()169// CHECK-NOT: define internal void @__copy_helper170// CHECK-NOT: define internal void @__destroy_helper171// CHECK: define{{.*}} void @_Z10test11_finv()172template <unsigned i> void test11(void) {173 typedef __unsafe_unretained Foo *UnsafeFooPtr;174 UnsafeFooPtr p = get_object();175 use_block(^{ [p run]; });176}177template void test11<0>();178void test11_fin() {}179