1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-weak -fobjc-runtime-has-weak -std=c++11 -o - %s | FileCheck %s 2 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 Operator 15// CHECK-LABEL: define linkonce_odr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_ZN1AaSERKS_( 16// CHECK: [[THISADDR:%this.*]] = alloca ptr 17// CHECK: [[OBJECTADDR:%.*]] = alloca ptr 18// 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 0 21// CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeak(ptr [[T0]]) 22// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 23// CHECK-NEXT: [[T3:%.*]] = call ptr @llvm.objc.storeWeak(ptr [[T2]], ptr [[T1]]) 24 25// Move Assignment Operator 26// CHECK-LABEL: define linkonce_odr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_ZN1AaSEOS_( 27// CHECK: [[THISADDR:%this.*]] = alloca ptr 28// CHECK: [[OBJECTADDR:%.*]] = alloca ptr 29// 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 0 32// CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeak(ptr [[T0]]) 33// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 34// CHECK-NEXT: [[T3:%.*]] = call ptr @llvm.objc.storeWeak(ptr [[T2]], ptr [[T1]]) 35 36// Default Constructor 37// CHECK-LABEL: define linkonce_odr void @_ZN1AC2Ev( 38// CHECK: [[THISADDR:%this.*]] = alloca ptr 39// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] 40// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 41// CHECK-NEXT: store ptr null, ptr [[T0]] 42 43// Copy Constructor 44// CHECK-LABEL: define linkonce_odr void @_ZN1AC2ERKS_( 45// CHECK: [[THISADDR:%this.*]] = alloca ptr 46// CHECK: [[OBJECTADDR:%.*]] = alloca ptr 47// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] 48// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 49// CHECK-NEXT: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]] 50// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0 51// CHECK-NEXT: call void @llvm.objc.copyWeak(ptr [[T0]], ptr [[T1]]) 52 53// Move Constructor 54// CHECK-LABEL: define linkonce_odr void @_ZN1AC2EOS_( 55// CHECK: [[THISADDR:%this.*]] = alloca ptr 56// CHECK: [[OBJECTADDR:%.*]] = alloca ptr 57// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] 58// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 59// CHECK-NEXT: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]] 60// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0 61// CHECK-NEXT: call void @llvm.objc.moveWeak(ptr [[T0]], ptr [[T1]]) 62 63// Destructor 64// CHECK-LABEL: define linkonce_odr void @_ZN1AD2Ev( 65// CHECK: [[THISADDR:%this.*]] = alloca ptr 66// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]] 67// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0 68// CHECK-NEXT: call void @llvm.objc.destroyWeak(ptr [[T0]]) 69 70