| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-weak -fobjc-runtime-has-weak -std=c++11 -o - %s | FileCheck %s |
| |
| struct A { __weak id x; }; |
| |
| id test0() { |
| A a; |
| A b = a; |
| A c(static_cast<A&&>(b)); |
| a = c; |
| c = static_cast<A&&>(a); |
| return c.x; |
| } |
| |
| // Copy Assignment Operator |
| // CHECK-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %struct.A* @_ZN1AaSERKS_( |
| // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
| // CHECK: [[OBJECTADDR:%.*]] = alloca [[A:.*]]* |
| // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
| // CHECK: [[OBJECT:%.*]] = load [[A]]*, [[A]]** [[OBJECTADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OBJECT]], i32 0, i32 0 |
| // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_loadWeak(i8** [[T0]]) |
| // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[T2]], i8* [[T1]]) |
| |
| // Move Assignment Operator |
| // CHECK-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %struct.A* @_ZN1AaSEOS_( |
| // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
| // CHECK: [[OBJECTADDR:%.*]] = alloca [[A:.*]]* |
| // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
| // CHECK: [[OBJECT:%.*]] = load [[A]]*, [[A]]** [[OBJECTADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OBJECT]], i32 0, i32 0 |
| // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_loadWeak(i8** [[T0]]) |
| // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_storeWeak(i8** [[T2]], i8* [[T1]]) |
| |
| // Default Constructor |
| // CHECK-LABEL: define linkonce_odr void @_ZN1AC2Ev( |
| // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
| // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: store i8* null, i8** [[T0]] |
| |
| // Copy Constructor |
| // CHECK-LABEL: define linkonce_odr void @_ZN1AC2ERKS_( |
| // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
| // CHECK: [[OBJECTADDR:%.*]] = alloca [[A:.*]]* |
| // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[OBJECT:%.*]] = load [[A]]*, [[A]]** [[OBJECTADDR]] |
| // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OBJECT]], i32 0, i32 0 |
| // CHECK-NEXT: call void @objc_copyWeak(i8** [[T0]], i8** [[T1]]) |
| |
| // Move Constructor |
| // CHECK-LABEL: define linkonce_odr void @_ZN1AC2EOS_( |
| // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
| // CHECK: [[OBJECTADDR:%.*]] = alloca [[A:.*]]* |
| // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[OBJECT:%.*]] = load [[A]]*, [[A]]** [[OBJECTADDR]] |
| // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OBJECT]], i32 0, i32 0 |
| // CHECK-NEXT: call void @objc_moveWeak(i8** [[T0]], i8** [[T1]]) |
| |
| // Destructor |
| // CHECK-LABEL: define linkonce_odr void @_ZN1AD2Ev( |
| // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
| // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
| // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: call void @objc_destroyWeak(i8** [[T0]]) |
| |
