1// RUN: %clang_cc1 -triple x86_64-apple-macosx10.12.0 -emit-llvm -disable-llvm-passes -O3 -fblocks -fobjc-arc -fobjc-runtime-has-weak -std=c++11 -o - %s | FileCheck %s 2 3void test0(id x) { 4 extern void test0_helper(id (^)(void)); 5 test0_helper([=]() { return x; }); 6 // CHECK-LABEL: define internal noundef ptr @___Z5test0P11objc_object_block_invoke 7 // CHECK: [[T0:%.*]] = call noundef ptr @"_ZZ5test0P11objc_objectENK3$_0clEv"{{.*}} [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ] 8 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]]) 9 // CHECK-NEXT: [[T2:%.*]] = tail call ptr @llvm.objc.autoreleaseReturnValue(ptr [[T0]]) 10 // CHECK-NEXT: ret ptr [[T2]] 11} 12 13// Check that the delegating block invoke function doesn't destruct the Weak 14// object that is passed. 15 16// CHECK-LABEL: define internal void @___Z8testWeakv_block_invoke( 17// CHECK: call void @"_ZZ8testWeakvENK3$_0clE4Weak"( 18// CHECK-NEXT: ret void 19 20// CHECK-LABEL: define internal void @"_ZZ8testWeakvENK3$_0clE4Weak"( 21// CHECK: call void @_ZN4WeakD1Ev( 22// CHECK-NEXT: ret void 23 24id test1_rv; 25 26void test1() { 27 extern void test1_helper(id (*)(void)); 28 test1_helper([](){ return test1_rv; }); 29 // CHECK-LABEL: define internal noundef ptr @"_ZZ5test1vEN3$_08__invokeEv" 30 // CHECK: [[T0:%.*]] = call noundef ptr @"_ZZ5test1vENK3$_0clEv"{{.*}} [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ] 31 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]]) 32 // CHECK-NEXT: [[T2:%.*]] = tail call ptr @llvm.objc.autoreleaseReturnValue(ptr [[T0]]) 33 // CHECK-NEXT: ret ptr [[T2]] 34} 35 36struct Weak { 37 __weak id x; 38}; 39 40void testWeak() { 41 extern void testWeak_helper(void (^)(Weak)); 42 testWeak_helper([](Weak){}); 43} 44