| // 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 noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_ZN1AaSERKS_( |
| // CHECK: [[THISADDR:%this.*]] = alloca ptr |
| // CHECK: [[OBJECTADDR:%.*]] = alloca ptr |
| // CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] |
| // CHECK: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0 |
| // CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeak(ptr [[T0]]) |
| // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[T3:%.*]] = call ptr @llvm.objc.storeWeak(ptr [[T2]], ptr [[T1]]) |
| |
| // Move Assignment Operator |
| // CHECK-LABEL: define linkonce_odr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_ZN1AaSEOS_( |
| // CHECK: [[THISADDR:%this.*]] = alloca ptr |
| // CHECK: [[OBJECTADDR:%.*]] = alloca ptr |
| // CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] |
| // CHECK: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0 |
| // CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeak(ptr [[T0]]) |
| // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[T3:%.*]] = call ptr @llvm.objc.storeWeak(ptr [[T2]], ptr [[T1]]) |
| |
| // Default Constructor |
| // CHECK-LABEL: define linkonce_odr void @_ZN1AC2Ev( |
| // CHECK: [[THISADDR:%this.*]] = alloca ptr |
| // CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: store ptr null, ptr [[T0]] |
| |
| // Copy Constructor |
| // CHECK-LABEL: define linkonce_odr void @_ZN1AC2ERKS_( |
| // CHECK: [[THISADDR:%this.*]] = alloca ptr |
| // CHECK: [[OBJECTADDR:%.*]] = alloca ptr |
| // CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]] |
| // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0 |
| // CHECK-NEXT: call void @llvm.objc.copyWeak(ptr [[T0]], ptr [[T1]]) |
| |
| // Move Constructor |
| // CHECK-LABEL: define linkonce_odr void @_ZN1AC2EOS_( |
| // CHECK: [[THISADDR:%this.*]] = alloca ptr |
| // CHECK: [[OBJECTADDR:%.*]] = alloca ptr |
| // CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] |
| // CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]] |
| // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0 |
| // CHECK-NEXT: call void @llvm.objc.moveWeak(ptr [[T0]], ptr [[T1]]) |
| |
| // Destructor |
| // CHECK-LABEL: define linkonce_odr void @_ZN1AD2Ev( |
| // CHECK: [[THISADDR:%this.*]] = alloca ptr |
| // CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] |
| // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: call void @llvm.objc.destroyWeak(ptr [[T0]]) |
| |
