| // 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 |
| |
| void test0(id x) { |
| extern void test0_helper(id (^)(void)); |
| test0_helper([=]() { return x; }); |
| // CHECK-LABEL: define internal i8* @___Z5test0P11objc_object_block_invoke |
| // CHECK: [[T0:%.*]] = call i8* @"_ZZ5test0P11objc_objectENK3$_0clEv"{{.*}} [ "clang.arc.attachedcall"(i8* (i8*)* @llvm.objc.retainAutoreleasedReturnValue) ] |
| // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use(i8* [[T0]]) |
| // CHECK-NEXT: [[T2:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T0]]) |
| // CHECK-NEXT: ret i8* [[T2]] |
| } |
| |
| // Check that the delegating block invoke function doesn't destruct the Weak |
| // object that is passed. |
| |
| // CHECK-LABEL: define internal void @___Z8testWeakv_block_invoke( |
| // CHECK: call void @"_ZZ8testWeakvENK3$_2clE4Weak"( |
| // CHECK-NEXT: ret void |
| |
| // CHECK-LABEL: define internal void @"_ZZ8testWeakvENK3$_2clE4Weak"( |
| // CHECK: call void @_ZN4WeakD1Ev( |
| // CHECK-NEXT: ret void |
| |
| id test1_rv; |
| |
| void test1() { |
| extern void test1_helper(id (*)(void)); |
| test1_helper([](){ return test1_rv; }); |
| // CHECK-LABEL: define internal i8* @"_ZZ5test1vEN3$_18__invokeEv" |
| // CHECK: [[T0:%.*]] = call i8* @"_ZZ5test1vENK3$_1clEv"{{.*}} [ "clang.arc.attachedcall"(i8* (i8*)* @llvm.objc.retainAutoreleasedReturnValue) ] |
| // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use(i8* [[T0]]) |
| // CHECK-NEXT: [[T2:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T0]]) |
| // CHECK-NEXT: ret i8* [[T2]] |
| } |
| |
| struct Weak { |
| __weak id x; |
| }; |
| |
| void testWeak() { |
| extern void testWeak_helper(void (^)(Weak)); |
| testWeak_helper([](Weak){}); |
| } |
