| 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 |
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| 2 | |
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| 3 | struct A { __weak id x; }; |
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| 4 | |
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| 5 | id test0() { |
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| 6 | A a; |
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| 7 | A b = a; |
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| 8 | A c(static_cast<A&&>(b)); |
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| 9 | a = c; |
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| 10 | c = static_cast<A&&>(a); |
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| 11 | return c.x; |
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| 12 | } |
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| 13 | |
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| 14 | // Copy Assignment Operator |
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| 15 | // CHECK-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %struct.A* @_ZN1AaSERKS_( |
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| 16 | // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
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| 17 | // CHECK: [[OBJECTADDR:%.*]] = alloca [[A:.*]]* |
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| 18 | // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
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| 19 | // CHECK: [[OBJECT:%.*]] = load [[A]]*, [[A]]** [[OBJECTADDR]] |
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| 20 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OBJECT]], i32 0, i32 0 |
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| 21 | // CHECK-NEXT: [[T1:%.*]] = call i8* @llvm.objc.loadWeak(i8** [[T0]]) |
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| 22 | // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
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| 23 | // CHECK-NEXT: [[T3:%.*]] = call i8* @llvm.objc.storeWeak(i8** [[T2]], i8* [[T1]]) |
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| 24 | |
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| 25 | // Move Assignment Operator |
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| 26 | // CHECK-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %struct.A* @_ZN1AaSEOS_( |
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| 27 | // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
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| 28 | // CHECK: [[OBJECTADDR:%.*]] = alloca [[A:.*]]* |
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| 29 | // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
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| 30 | // CHECK: [[OBJECT:%.*]] = load [[A]]*, [[A]]** [[OBJECTADDR]] |
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| 31 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OBJECT]], i32 0, i32 0 |
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| 32 | // CHECK-NEXT: [[T1:%.*]] = call i8* @llvm.objc.loadWeak(i8** [[T0]]) |
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| 33 | // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
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| 34 | // CHECK-NEXT: [[T3:%.*]] = call i8* @llvm.objc.storeWeak(i8** [[T2]], i8* [[T1]]) |
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| 35 | |
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| 36 | // Default Constructor |
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| 37 | // CHECK-LABEL: define linkonce_odr void @_ZN1AC2Ev( |
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| 38 | // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
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| 39 | // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
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| 40 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
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| 41 | // CHECK-NEXT: store i8* null, i8** [[T0]] |
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| 42 | |
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| 43 | // Copy Constructor |
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| 44 | // CHECK-LABEL: define linkonce_odr void @_ZN1AC2ERKS_( |
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| 45 | // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
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| 46 | // CHECK: [[OBJECTADDR:%.*]] = alloca [[A:.*]]* |
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| 47 | // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
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| 48 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
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| 49 | // CHECK-NEXT: [[OBJECT:%.*]] = load [[A]]*, [[A]]** [[OBJECTADDR]] |
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| 50 | // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OBJECT]], i32 0, i32 0 |
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| 51 | // CHECK-NEXT: call void @llvm.objc.copyWeak(i8** [[T0]], i8** [[T1]]) |
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| 52 | |
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| 53 | // Move Constructor |
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| 54 | // CHECK-LABEL: define linkonce_odr void @_ZN1AC2EOS_( |
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| 55 | // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
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| 56 | // CHECK: [[OBJECTADDR:%.*]] = alloca [[A:.*]]* |
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| 57 | // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
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| 58 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
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| 59 | // CHECK-NEXT: [[OBJECT:%.*]] = load [[A]]*, [[A]]** [[OBJECTADDR]] |
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| 60 | // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OBJECT]], i32 0, i32 0 |
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| 61 | // CHECK-NEXT: call void @llvm.objc.moveWeak(i8** [[T0]], i8** [[T1]]) |
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| 62 | |
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| 63 | // Destructor |
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| 64 | // CHECK-LABEL: define linkonce_odr void @_ZN1AD2Ev( |
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| 65 | // CHECK: [[THISADDR:%this.*]] = alloca [[A:.*]]* |
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| 66 | // CHECK: [[THIS:%this.*]] = load [[A]]*, [[A]]** [[THISADDR]] |
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| 67 | // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
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| 68 | // CHECK-NEXT: call void @llvm.objc.destroyWeak(i8** [[T0]]) |
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| 69 | |
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| 70 | |
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