569 lines
23 KiB
C++
569 lines
23 KiB
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -analyzer-config cfg-temporary-dtors=true -std=c++11 -w %s > %t 2>&1
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// RUN: FileCheck --input-file=%t %s
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class C {
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public:
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C();
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C(C *);
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C(int, int);
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static C get();
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operator bool() const;
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};
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typedef __typeof(sizeof(int)) size_t;
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void *operator new(size_t size, void *placement);
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namespace operator_new {
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// CHECK: void operatorNewWithConstructor()
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// CHECK: 1: CFGNewAllocator(C *)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C)
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// CHECK-NEXT: 3: new C([B1.2])
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void operatorNewWithConstructor() {
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new C();
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}
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// CHECK: void operatorNewWithConstructorWithOperatorNewWithContstructor()
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// CHECK: 1: CFGNewAllocator(C *)
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// CHECK-NEXT: 2: CFGNewAllocator(C *)
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// CHECK-NEXT: 3: (CXXConstructExpr, [B1.4], class C)
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// CHECK-NEXT: 4: new C([B1.3])
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// CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], class C)
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// CHECK-NEXT: 6: new C([B1.5])
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void operatorNewWithConstructorWithOperatorNewWithContstructor() {
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new C(new C());
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}
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// CHECK: void operatorPlacementNewWithConstructorWithinPlacementArgument()
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// CHECK: 1: CFGNewAllocator(C *)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C)
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// CHECK-NEXT: 3: new C([B1.2])
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// CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, BitCast, void *)
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// CHECK-NEXT: 5: CFGNewAllocator(C *)
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// CHECK-NEXT: 6: (CXXConstructExpr, [B1.7], class C)
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// CHECK-NEXT: 7: new ([B1.4]) C([B1.6])
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void operatorPlacementNewWithConstructorWithinPlacementArgument() {
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new (new C()) C();
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}
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} // namespace operator_new
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namespace decl_stmt {
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// CHECK: void simpleVariable()
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// CHECK: 1: (CXXConstructExpr, [B1.2], class C)
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// CHECK-NEXT: 2: C c;
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void simpleVariable() {
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C c;
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}
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// CHECK: void simpleVariableWithBraces()
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// CHECK: 1: {} (CXXConstructExpr, [B1.2], class C)
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// CHECK-NEXT: 2: C c{};
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void simpleVariableWithBraces() {
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C c{};
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}
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// CHECK: void simpleVariableWithConstructorArgument()
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// CHECK: 1: 0
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NullToPointer, class C *)
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// CHECK-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.4], class C)
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// CHECK-NEXT: 4: C c(0);
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void simpleVariableWithConstructorArgument() {
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C c(0);
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}
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// CHECK: void simpleVariableWithOperatorNewInConstructorArgument()
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// CHECK: 1: CFGNewAllocator(C *)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C)
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// CHECK-NEXT: 3: new C([B1.2])
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// CHECK-NEXT: 4: [B1.3] (CXXConstructExpr, [B1.5], class C)
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// CHECK-NEXT: 5: C c(new C());
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void simpleVariableWithOperatorNewInConstructorArgument() {
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C c(new C());
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}
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// CHECK: void simpleVariableWithOperatorNewInBraces()
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// CHECK: 1: CFGNewAllocator(C *)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C)
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// CHECK-NEXT: 3: new C([B1.2])
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// CHECK-NEXT: 4: {[B1.3]} (CXXConstructExpr, [B1.5], class C)
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// CHECK-NEXT: 5: C c{new C()};
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void simpleVariableWithOperatorNewInBraces() {
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C c{new C()};
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}
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// CHECK: void simpleVariableInitializedByValue()
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// CHECK: 1: C::get
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void))
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// CHECK-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4])
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// CHECK-NEXT: 4: [B1.3]
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// CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], class C)
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// CHECK-NEXT: 6: C c = C::get();
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void simpleVariableInitializedByValue() {
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C c = C::get();
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}
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// CHECK: void simpleVariableWithTernaryOperator(bool coin)
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// CHECK: [B1]
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// CHECK-NEXT: 1: [B4.2] ? [B2.5] : [B3.6]
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// CHECK-NEXT: 2: [B1.1]
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// CHECK-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.4], class C)
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// CHECK-NEXT: 4: C c = coin ? C::get() : C(0);
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// CHECK: [B2]
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// CHECK-NEXT: 1: C::get
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// CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void))
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// CHECK-NEXT: 3: [B2.2]() (CXXRecordTypedCall, [B2.4])
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// CHECK-NEXT: 4: [B2.3]
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// CHECK-NEXT: 5: [B2.4] (CXXConstructExpr, [B1.2], class C)
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// CHECK: [B3]
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// CHECK-NEXT: 1: 0
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// CHECK-NEXT: 2: [B3.1] (ImplicitCastExpr, NullToPointer, class C *)
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// CHECK-NEXT: 3: [B3.2] (CXXConstructExpr, [B3.5], class C)
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// CHECK-NEXT: 4: C([B3.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C)
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// CHECK-NEXT: 5: [B3.4]
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// CHECK-NEXT: 6: [B3.5] (CXXConstructExpr, [B1.2], class C)
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// CHECK: [B4]
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// CHECK-NEXT: 1: coin
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// CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: [B4.2] ? ... : ...
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void simpleVariableWithTernaryOperator(bool coin) {
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C c = coin ? C::get() : C(0);
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}
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// CHECK: void simpleVariableWithElidableCopy()
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// CHECK: 1: 0
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NullToPointer, class C *)
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// CHECK-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.5], class C)
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// CHECK-NEXT: 4: C([B1.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C)
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// CHECK-NEXT: 5: [B1.4]
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// CHECK-NEXT: 6: [B1.5] (CXXConstructExpr, [B1.7], class C)
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// CHECK-NEXT: 7: C c = C(0);
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void simpleVariableWithElidableCopy() {
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C c = C(0);
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}
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// CHECK: void referenceVariableWithConstructor()
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// CHECK: 1: 0
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NullToPointer, class C *)
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// CHECK-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.4], const class C)
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// CHECK-NEXT: 4: [B1.3]
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// CHECK-NEXT: 5: const C &c(0);
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void referenceVariableWithConstructor() {
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const C &c(0);
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}
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// CHECK: void referenceVariableWithInitializer()
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// CHECK: 1: C() (CXXConstructExpr, [B1.3], class C)
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class C)
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// CHECK-NEXT: 3: [B1.2]
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// CHECK-NEXT: 4: const C &c = C();
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void referenceVariableWithInitializer() {
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const C &c = C();
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}
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// CHECK: void referenceVariableWithTernaryOperator(bool coin)
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// CHECK: [B1]
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// CHECK-NEXT: 1: [B4.2] ? [B2.5] : [B3.6]
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class C)
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// CHECK-NEXT: 3: [B1.2]
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// CHECK-NEXT: 4: const C &c = coin ? C::get() : C(0);
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// CHECK: [B2]
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// CHECK-NEXT: 1: C::get
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// CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void))
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// CHECK-NEXT: 3: [B2.2]() (CXXRecordTypedCall, [B2.4])
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// CHECK-NEXT: 4: [B2.3]
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// CHECK-NEXT: 5: [B2.4] (CXXConstructExpr, [B1.3], class C)
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// CHECK: [B3]
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// CHECK-NEXT: 1: 0
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// CHECK-NEXT: 2: [B3.1] (ImplicitCastExpr, NullToPointer, class C *)
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// CHECK-NEXT: 3: [B3.2] (CXXConstructExpr, [B3.5], class C)
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// CHECK-NEXT: 4: C([B3.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C)
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// CHECK-NEXT: 5: [B3.4]
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// CHECK-NEXT: 6: [B3.5] (CXXConstructExpr, [B1.3], class C)
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// CHECK: [B4]
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// CHECK-NEXT: 1: coin
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// CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, LValueToRValue, _Bool)
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// CHECK-NEXT: T: [B4.2] ? ... : ...
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void referenceVariableWithTernaryOperator(bool coin) {
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const C &c = coin ? C::get() : C(0);
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}
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} // end namespace decl_stmt
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namespace ctor_initializers {
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class D: public C {
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C c1;
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public:
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// CHECK: D()
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// CHECK: 1: (CXXConstructExpr, C() (Base initializer), class C)
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// CHECK-NEXT: 2: C([B1.1]) (Base initializer)
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// CHECK-NEXT: 3: CFGNewAllocator(C *)
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// CHECK-NEXT: 4: (CXXConstructExpr, [B1.5], class C)
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// CHECK-NEXT: 5: new C([B1.4])
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// CHECK-NEXT: 6: [B1.5] (CXXConstructExpr, c1([B1.5]) (Member initializer), class C)
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// CHECK-NEXT: 7: c1([B1.6]) (Member initializer)
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D(): C(), c1(new C()) {}
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// CHECK: D(int)
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// CHECK: 1: (CXXConstructExpr, D() (Delegating initializer), class ctor_initializers::D)
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// CHECK-NEXT: 2: D([B1.1]) (Delegating initializer)
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D(int): D() {}
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// CHECK: D(double)
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// CHECK: 1: C::get
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void))
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// CHECK-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4])
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// CHECK-NEXT: 4: [B1.3]
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// CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, C([B1.4]) (Base initializer), class C)
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// CHECK-NEXT: 6: C([B1.5]) (Base initializer)
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// CHECK-NEXT: 7: CFGNewAllocator(C *)
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// CHECK-NEXT: 8: C::get
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// CHECK-NEXT: 9: [B1.8] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void))
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// CHECK-NEXT: 10: [B1.9]() (CXXRecordTypedCall, [B1.11])
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// CHECK-NEXT: 11: [B1.10]
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// CHECK-NEXT: 12: [B1.11] (CXXConstructExpr, [B1.13], class C)
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// CHECK-NEXT: 13: new C([B1.12])
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// CHECK-NEXT: 14: [B1.13] (CXXConstructExpr, c1([B1.13]) (Member initializer), class C)
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// CHECK-NEXT: 15: c1([B1.14]) (Member initializer)
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D(double): C(C::get()), c1(new C(C::get())) {}
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};
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} // end namespace ctor_initializers
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namespace return_stmt_without_dtor {
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// CHECK: C returnVariable()
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// CHECK: 1: (CXXConstructExpr, [B1.2], class C)
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// CHECK-NEXT: 2: C c;
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// CHECK-NEXT: 3: c
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// CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, NoOp, class C)
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// CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], class C)
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// CHECK-NEXT: 6: return [B1.5];
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C returnVariable() {
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C c;
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return c;
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}
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// CHECK: C returnEmptyBraces()
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// CHECK: 1: {} (CXXConstructExpr, [B1.2], class C)
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// CHECK-NEXT: 2: return [B1.1];
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C returnEmptyBraces() {
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return {};
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}
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// CHECK: C returnBracesWithOperatorNew()
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// CHECK: 1: CFGNewAllocator(C *)
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// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C)
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// CHECK-NEXT: 3: new C([B1.2])
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// CHECK-NEXT: 4: {[B1.3]} (CXXConstructExpr, [B1.5], class C)
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// CHECK-NEXT: 5: return [B1.4];
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C returnBracesWithOperatorNew() {
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return {new C()};
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}
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// CHECK: C returnBracesWithMultipleItems()
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// CHECK: 1: 123
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// CHECK-NEXT: 2: 456
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// CHECK-NEXT: 3: {[B1.1], [B1.2]} (CXXConstructExpr, [B1.4], class C)
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// CHECK-NEXT: 4: return [B1.3];
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C returnBracesWithMultipleItems() {
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return {123, 456};
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}
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// CHECK: C returnTemporary()
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// CHECK: 1: C() (CXXConstructExpr, [B1.2], class C)
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// CHECK-NEXT: 2: [B1.1]
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// CHECK-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.4], class C)
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// CHECK-NEXT: 4: return [B1.3];
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C returnTemporary() {
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return C();
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}
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// CHECK: C returnTemporaryWithArgument()
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// CHECK: 1: nullptr
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NullToPointer, class C *)
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// CHECK-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.5], class C)
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// CHECK-NEXT: 4: C([B1.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C)
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// CHECK-NEXT: 5: [B1.4]
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// CHECK-NEXT: 6: [B1.5] (CXXConstructExpr, [B1.7], class C)
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// CHECK-NEXT: 7: return [B1.6];
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C returnTemporaryWithArgument() {
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return C(nullptr);
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}
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// CHECK: C returnTemporaryConstructedByFunction()
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// CHECK: 1: C::get
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void))
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// CHECK-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4])
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// CHECK-NEXT: 4: [B1.3]
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// CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], class C)
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// CHECK-NEXT: 6: return [B1.5];
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C returnTemporaryConstructedByFunction() {
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return C::get();
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}
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// CHECK: C returnChainOfCopies()
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// CHECK: 1: C::get
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// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void))
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// CHECK-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4])
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// CHECK-NEXT: 4: [B1.3]
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// CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.7], class C)
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// CHECK-NEXT: 6: C([B1.5]) (CXXFunctionalCastExpr, ConstructorConversion, class C)
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// CHECK-NEXT: 7: [B1.6]
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// CHECK-NEXT: 8: [B1.7] (CXXConstructExpr, [B1.9], class C)
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// CHECK-NEXT: 9: return [B1.8];
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C returnChainOfCopies() {
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return C(C::get());
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}
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} // end namespace return_stmt_without_dtor
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namespace return_stmt_with_dtor {
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class D {
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public:
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D();
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~D();
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};
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// CHECK: return_stmt_with_dtor::D returnTemporary()
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// CHECK: 1: return_stmt_with_dtor::D() (CXXConstructExpr, [B1.2], [B1.4], class return_stmt_with_dtor::D)
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// CHECK-NEXT: 2: [B1.1] (BindTemporary)
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// CHECK-NEXT: 3: [B1.2] (ImplicitCastExpr, NoOp, const class return_stmt_with_dtor::D)
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// CHECK-NEXT: 4: [B1.3]
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// CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.7], class return_stmt_with_dtor::D)
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// CHECK-NEXT: 6: ~return_stmt_with_dtor::D() (Temporary object destructor)
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// CHECK-NEXT: 7: return [B1.5];
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D returnTemporary() {
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return D();
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}
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} // end namespace return_stmt_with_dtor
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namespace temporary_object_expr_without_dtors {
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// TODO: Should provide construction context for the constructor,
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// even if there is no specific trigger statement here.
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// CHECK: void simpleTemporary()
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// CHECK 1: C() (CXXConstructExpr, class C)
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void simpleTemporary() {
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C();
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}
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// TODO: Should provide construction context for the constructor,
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// CHECK: void temporaryInCondition()
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// CHECK: 1: C() (CXXConstructExpr, class C)
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// CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, NoOp, const class C)
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|
// CHECK-NEXT: 3: [B2.2].operator bool
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|
// CHECK-NEXT: 4: [B2.2]
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|
// CHECK-NEXT: 5: [B2.4] (ImplicitCastExpr, UserDefinedConversion, _Bool)
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// CHECK-NEXT: T: if [B2.5]
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void temporaryInCondition() {
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if (C());
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}
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} // end namespace temporary_object_expr_without_dtors
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namespace temporary_object_expr_with_dtors {
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class D {
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public:
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D();
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D(int);
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~D();
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static D get();
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operator bool() const;
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};
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// CHECK: void simpleTemporary()
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// CHECK: 1: temporary_object_expr_with_dtors::D() (CXXConstructExpr, [B1.2], class temporary_object_expr_with_dtors::D)
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// CHECK-NEXT: 2: [B1.1] (BindTemporary)
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// CHECK-NEXT: 3: ~temporary_object_expr_with_dtors::D() (Temporary object destructor)
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void simpleTemporary() {
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D();
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}
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// CHECK: void temporaryInCondition()
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// CHECK: 1: temporary_object_expr_with_dtors::D() (CXXConstructExpr, [B2.2], class temporary_object_expr_with_dtors::D)
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// CHECK-NEXT: 2: [B2.1] (BindTemporary)
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|
// CHECK-NEXT: 3: [B2.2] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D)
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// CHECK-NEXT: 4: [B2.3].operator bool
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// CHECK-NEXT: 5: [B2.3]
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// CHECK-NEXT: 6: [B2.5] (ImplicitCastExpr, UserDefinedConversion, _Bool)
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// CHECK-NEXT: 7: ~temporary_object_expr_with_dtors::D() (Temporary object destructor)
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// CHECK-NEXT: T: if [B2.6]
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void temporaryInCondition() {
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if (D());
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}
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// CHECK: void referenceVariableWithConstructor()
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// CHECK: 1: 0
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// CHECK-NEXT: 2: [B1.1] (CXXConstructExpr, [B1.3], [B1.4], const class temporary_object_expr_with_dtors::D)
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// CHECK-NEXT: 3: [B1.2] (BindTemporary)
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// CHECK-NEXT: 4: [B1.3]
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// CHECK-NEXT: 5: const temporary_object_expr_with_dtors::D &d(0);
|
|
// CHECK-NEXT: 6: [B1.5].~D() (Implicit destructor)
|
|
void referenceVariableWithConstructor() {
|
|
const D &d(0);
|
|
}
|
|
|
|
// CHECK: void referenceVariableWithInitializer()
|
|
// CHECK: 1: temporary_object_expr_with_dtors::D() (CXXConstructExpr, [B1.2], [B1.4], class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 2: [B1.1] (BindTemporary)
|
|
// CHECK-NEXT: 3: [B1.2] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 4: [B1.3]
|
|
// CHECK-NEXT: 5: const temporary_object_expr_with_dtors::D &d = temporary_object_expr_with_dtors::D();
|
|
// CHECK-NEXT: 6: [B1.5].~D() (Implicit destructor)
|
|
void referenceVariableWithInitializer() {
|
|
const D &d = D();
|
|
}
|
|
|
|
// CHECK: void referenceVariableWithTernaryOperator(bool coin)
|
|
// CHECK: [B4]
|
|
// CHECK-NEXT: 1: [B7.2] ? [B5.8] : [B6.8]
|
|
// CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 3: [B4.2]
|
|
// CHECK-NEXT: 4: const temporary_object_expr_with_dtors::D &d = coin ? D::get() : temporary_object_expr_with_dtors::D(0);
|
|
// CHECK-NEXT: T: (Temp Dtor) [B6.3]
|
|
// CHECK: [B5]
|
|
// CHECK-NEXT: 1: D::get
|
|
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, FunctionToPointerDecay, class temporary_object_expr_with_dtors::D (*)(void))
|
|
// CHECK-NEXT: 3: [B5.2]() (CXXRecordTypedCall, [B5.4], [B5.6])
|
|
// CHECK-NEXT: 4: [B5.3] (BindTemporary)
|
|
// CHECK-NEXT: 5: [B5.4] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 6: [B5.5]
|
|
// CHECK-NEXT: 7: [B5.6] (CXXConstructExpr, [B5.8], [B4.3], class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 8: [B5.7] (BindTemporary)
|
|
// CHECK: [B6]
|
|
// CHECK-NEXT: 1: 0
|
|
// CHECK-NEXT: 2: [B6.1] (CXXConstructExpr, [B6.3], [B6.6], class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 3: [B6.2] (BindTemporary)
|
|
// CHECK-NEXT: 4: temporary_object_expr_with_dtors::D([B6.3]) (CXXFunctionalCastExpr, ConstructorConversion, class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 5: [B6.4] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 6: [B6.5]
|
|
// CHECK-NEXT: 7: [B6.6] (CXXConstructExpr, [B6.8], [B4.3], class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 8: [B6.7] (BindTemporary)
|
|
// CHECK: [B7]
|
|
// CHECK-NEXT: 1: coin
|
|
// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
|
|
// CHECK-NEXT: T: [B7.2] ? ... : ...
|
|
void referenceVariableWithTernaryOperator(bool coin) {
|
|
const D &d = coin ? D::get() : D(0);
|
|
}
|
|
|
|
// CHECK: void referenceWithFunctionalCast()
|
|
// CHECK: 1: 1
|
|
// CHECK-NEXT: 2: [B1.1] (CXXConstructExpr, [B1.3], [B1.5], class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 3: [B1.2] (BindTemporary)
|
|
// CHECK-NEXT: 4: temporary_object_expr_with_dtors::D([B1.3]) (CXXFunctionalCastExpr, ConstructorCon
|
|
// CHECK-NEXT: 5: [B1.4]
|
|
// CHECK-NEXT: 6: temporary_object_expr_with_dtors::D &&d = temporary_object_expr_with_dtors::D(1);
|
|
// CHECK-NEXT: 7: [B1.6].~D() (Implicit destructor)
|
|
void referenceWithFunctionalCast() {
|
|
D &&d = D(1);
|
|
}
|
|
|
|
// Test the condition constructor, we don't care about branch constructors here.
|
|
// CHECK: void constructorInTernaryCondition()
|
|
// CHECK: 1: 1
|
|
// CHECK-NEXT: 2: [B7.1] (CXXConstructExpr, [B7.3], class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 3: [B7.2] (BindTemporary)
|
|
// CHECK-NEXT: 4: temporary_object_expr_with_dtors::D([B7.3]) (CXXFunctionalCastExpr, ConstructorConv
|
|
// CHECK-NEXT: 5: [B7.4] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D)
|
|
// CHECK-NEXT: 6: [B7.5].operator bool
|
|
// CHECK-NEXT: 7: [B7.5]
|
|
// CHECK-NEXT: 8: [B7.7] (ImplicitCastExpr, UserDefinedConversion, _Bool)
|
|
// CHECK-NEXT: T: [B7.8] ? ... : ...
|
|
void constructorInTernaryCondition() {
|
|
const D &d = D(1) ? D(2) : D(3);
|
|
}
|
|
|
|
} // end namespace temporary_object_expr_with_dtors
|
|
|
|
namespace implicit_constructor_conversion {
|
|
|
|
class A {};
|
|
A get();
|
|
|
|
class B {
|
|
public:
|
|
B(const A &);
|
|
~B() {}
|
|
};
|
|
|
|
// CHECK: void implicitConstructionConversionFromTemporary()
|
|
// CHECK: 1: implicit_constructor_conversion::A() (CXXConstructExpr, [B1.3], class implicit_constructor_conversion::A)
|
|
// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::A)
|
|
// CHECK-NEXT: 3: [B1.2]
|
|
// CHECK-NEXT: 4: [B1.3] (CXXConstructExpr, [B1.6], [B1.8], class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 5: [B1.4] (ImplicitCastExpr, ConstructorConversion, class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 6: [B1.5] (BindTemporary)
|
|
// CHECK-NEXT: 7: [B1.6] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 8: [B1.7]
|
|
// CHECK-NEXT: 9: [B1.8] (CXXConstructExpr, [B1.10], class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 10: implicit_constructor_conversion::B b = implicit_constructor_conversion::A();
|
|
// CHECK-NEXT: 11: ~implicit_constructor_conversion::B() (Temporary object destructor)
|
|
// CHECK-NEXT: 12: [B1.10].~B() (Implicit destructor)
|
|
void implicitConstructionConversionFromTemporary() {
|
|
B b = A();
|
|
}
|
|
|
|
// CHECK: void implicitConstructionConversionFromFunctionValue()
|
|
// CHECK: 1: get
|
|
// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class implicit_constructor_conversion::A (*)(void))
|
|
// CHECK-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.5])
|
|
// CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::A)
|
|
// CHECK-NEXT: 5: [B1.4]
|
|
// CHECK-NEXT: 6: [B1.5] (CXXConstructExpr, [B1.8], [B1.10], class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 7: [B1.6] (ImplicitCastExpr, ConstructorConversion, class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 8: [B1.7] (BindTemporary)
|
|
// CHECK-NEXT: 9: [B1.8] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 10: [B1.9]
|
|
// CHECK-NEXT: 11: [B1.10] (CXXConstructExpr, [B1.12], class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 12: implicit_constructor_conversion::B b = get();
|
|
// CHECK-NEXT: 13: ~implicit_constructor_conversion::B() (Temporary object destructor)
|
|
// CHECK-NEXT: 14: [B1.12].~B() (Implicit destructor)
|
|
void implicitConstructionConversionFromFunctionValue() {
|
|
B b = get();
|
|
}
|
|
|
|
// CHECK: void implicitConstructionConversionFromTemporaryWithLifetimeExtension()
|
|
// CHECK: 1: implicit_constructor_conversion::A() (CXXConstructExpr, [B1.3], class implicit_constructor_conversion::A)
|
|
// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::A)
|
|
// CHECK-NEXT: 3: [B1.2]
|
|
// CHECK-NEXT: 4: [B1.3] (CXXConstructExpr, [B1.7], class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 5: [B1.4] (ImplicitCastExpr, ConstructorConversion, class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 6: [B1.5] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 7: [B1.6]
|
|
// CHECK-NEXT: 8: const implicit_constructor_conversion::B &b = implicit_constructor_conversion::A();
|
|
// CHECK-NEXT: 9: [B1.8].~B() (Implicit destructor)
|
|
void implicitConstructionConversionFromTemporaryWithLifetimeExtension() {
|
|
const B &b = A();
|
|
}
|
|
|
|
// FIXME: Find construction context for the implicit constructor conversion.
|
|
// CHECK: void implicitConstructionConversionFromFunctionValueWithLifetimeExtension()
|
|
// CHECK: 1: get
|
|
// CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class implicit_constructor_conver
|
|
// CHECK-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.5])
|
|
// CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::A)
|
|
// CHECK-NEXT: 5: [B1.4]
|
|
// CHECK-NEXT: 6: [B1.5] (CXXConstructExpr, [B1.9], class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 7: [B1.6] (ImplicitCastExpr, ConstructorConversion, class implicit_constructor_convers
|
|
// CHECK-NEXT: 8: [B1.7] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::B)
|
|
// CHECK-NEXT: 9: [B1.8]
|
|
// CHECK-NEXT: 10: const implicit_constructor_conversion::B &b = get();
|
|
// CHECK-NEXT: 11: [B1.10].~B() (Implicit destructor)
|
|
void implicitConstructionConversionFromFunctionValueWithLifetimeExtension() {
|
|
const B &b = get(); // no-crash
|
|
}
|
|
|
|
} // end namespace implicit_constructor_conversion
|