70 lines
3.3 KiB
Text
70 lines
3.3 KiB
Text
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// 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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struct A { __weak id x; };
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id test0() {
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A a;
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A b = a;
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A c(static_cast<A&&>(b));
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a = c;
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c = static_cast<A&&>(a);
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return c.x;
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}
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// Copy Assignment Operator
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// CHECK-LABEL: define linkonce_odr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_ZN1AaSERKS_(
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// CHECK: [[THISADDR:%this.*]] = alloca ptr
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// CHECK: [[OBJECTADDR:%.*]] = alloca ptr
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// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]
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// CHECK: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]]
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// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0
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// CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeak(ptr [[T0]])
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// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0
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// CHECK-NEXT: [[T3:%.*]] = call ptr @llvm.objc.storeWeak(ptr [[T2]], ptr [[T1]])
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// Move Assignment Operator
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// CHECK-LABEL: define linkonce_odr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_ZN1AaSEOS_(
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// CHECK: [[THISADDR:%this.*]] = alloca ptr
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// CHECK: [[OBJECTADDR:%.*]] = alloca ptr
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// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]
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// CHECK: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]]
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// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0
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// CHECK-NEXT: [[T1:%.*]] = call ptr @llvm.objc.loadWeak(ptr [[T0]])
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// CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0
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// CHECK-NEXT: [[T3:%.*]] = call ptr @llvm.objc.storeWeak(ptr [[T2]], ptr [[T1]])
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// Default Constructor
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// CHECK-LABEL: define linkonce_odr void @_ZN1AC2Ev(
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// CHECK: [[THISADDR:%this.*]] = alloca ptr
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// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]
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// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0
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// CHECK-NEXT: store ptr null, ptr [[T0]]
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// Copy Constructor
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// CHECK-LABEL: define linkonce_odr void @_ZN1AC2ERKS_(
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// CHECK: [[THISADDR:%this.*]] = alloca ptr
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// CHECK: [[OBJECTADDR:%.*]] = alloca ptr
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// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]
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// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0
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// CHECK-NEXT: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]]
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// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0
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// CHECK-NEXT: call void @llvm.objc.copyWeak(ptr [[T0]], ptr [[T1]])
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// Move Constructor
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// CHECK-LABEL: define linkonce_odr void @_ZN1AC2EOS_(
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// CHECK: [[THISADDR:%this.*]] = alloca ptr
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// CHECK: [[OBJECTADDR:%.*]] = alloca ptr
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// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]
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// CHECK: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0
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// CHECK-NEXT: [[OBJECT:%.*]] = load ptr, ptr [[OBJECTADDR]]
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// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[A:.*]], ptr [[OBJECT]], i32 0, i32 0
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// CHECK-NEXT: call void @llvm.objc.moveWeak(ptr [[T0]], ptr [[T1]])
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// Destructor
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// CHECK-LABEL: define linkonce_odr void @_ZN1AD2Ev(
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// CHECK: [[THISADDR:%this.*]] = alloca ptr
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// CHECK: [[THIS:%this.*]] = load ptr, ptr [[THISADDR]]
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// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[A:.*]], ptr [[THIS]], i32 0, i32 0
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// CHECK-NEXT: call void @llvm.objc.destroyWeak(ptr [[T0]])
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