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1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-weak -fobjc-runtime-has-weak -std=c++11 -o - %s | FileCheck %s2 3struct A { __weak id x; };4 5id test0() {6 A a;7 A b = a;8 A c(static_cast<A&&>(b));9 a = c;10 c = static_cast<A&&>(a);11 return c.x;12}13 14// Copy Assignment Operator15// CHECK-LABEL: define linkonce_odr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_ZN1AaSERKS_(16// CHECK: [[THISADDR:%this.*]] = alloca ptr17// CHECK: [[OBJECTADDR:%.*]] = alloca ptr18// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]19// CHECK: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]]20// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 021// CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeak(ptr [[T0]])22// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 023// CHECK-NEXT: [[T3:%.*]] = call ptr @llvm.objc.storeWeak(ptr [[T2]], ptr [[T1]])24 25// Move Assignment Operator26// CHECK-LABEL: define linkonce_odr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_ZN1AaSEOS_(27// CHECK: [[THISADDR:%this.*]] = alloca ptr28// CHECK: [[OBJECTADDR:%.*]] = alloca ptr29// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]30// CHECK: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]]31// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 032// CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeak(ptr [[T0]])33// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 034// CHECK-NEXT: [[T3:%.*]] = call ptr @llvm.objc.storeWeak(ptr [[T2]], ptr [[T1]])35 36// Default Constructor37// CHECK-LABEL: define linkonce_odr void @_ZN1AC2Ev(38// CHECK: [[THISADDR:%this.*]] = alloca ptr39// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]40// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 041// CHECK-NEXT: store ptr null, ptr [[T0]]42 43// Copy Constructor44// CHECK-LABEL: define linkonce_odr void @_ZN1AC2ERKS_(45// CHECK: [[THISADDR:%this.*]] = alloca ptr46// CHECK: [[OBJECTADDR:%.*]] = alloca ptr47// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]48// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 049// CHECK-NEXT: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]]50// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 051// CHECK-NEXT: call void @llvm.objc.copyWeak(ptr [[T0]], ptr [[T1]])52 53// Move Constructor54// CHECK-LABEL: define linkonce_odr void @_ZN1AC2EOS_(55// CHECK: [[THISADDR:%this.*]] = alloca ptr56// CHECK: [[OBJECTADDR:%.*]] = alloca ptr57// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]58// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 059// CHECK-NEXT: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]]60// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 061// CHECK-NEXT: call void @llvm.objc.moveWeak(ptr [[T0]], ptr [[T1]])62 63// Destructor64// CHECK-LABEL: define linkonce_odr void @_ZN1AD2Ev(65// CHECK: [[THISADDR:%this.*]] = alloca ptr66// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]67// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 068// CHECK-NEXT: call void @llvm.objc.destroyWeak(ptr [[T0]])69 70