| // RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -std=c++11 -w %s > %t 2>&1 |
| // RUN: FileCheck --input-file=%t -check-prefixes=CHECK,CXX11,ELIDE,CXX11-ELIDE %s |
| // RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -std=c++17 -w %s > %t 2>&1 |
| // RUN: FileCheck --input-file=%t -check-prefixes=CHECK,CXX17,ELIDE,CXX17-ELIDE %s |
| // RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -std=c++11 -w -analyzer-config elide-constructors=false %s > %t 2>&1 |
| // RUN: FileCheck --input-file=%t -check-prefixes=CHECK,CXX11,NOELIDE,CXX11-NOELIDE %s |
| // RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -std=c++17 -w -analyzer-config elide-constructors=false %s > %t 2>&1 |
| // RUN: FileCheck --input-file=%t -check-prefixes=CHECK,CXX17,NOELIDE,CXX17-NOELIDE %s |
| |
| class C { |
| public: |
| C(); |
| C(C *); |
| C(int, int); |
| |
| static C get(); |
| operator bool() const; |
| }; |
| |
| typedef __typeof(sizeof(int)) size_t; |
| void *operator new(size_t size, void *placement); |
| |
| namespace operator_new { |
| |
| // CHECK: void operatorNewWithConstructor() |
| // CHECK: 1: CFGNewAllocator(C *) |
| // CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C) |
| // CHECK-NEXT: 3: new C([B1.2]) |
| void operatorNewWithConstructor() { |
| new C(); |
| } |
| |
| // CHECK: void operatorNewWithConstructorWithOperatorNewWithContstructor() |
| // CHECK: 1: CFGNewAllocator(C *) |
| // CHECK-NEXT: 2: CFGNewAllocator(C *) |
| // CHECK-NEXT: 3: (CXXConstructExpr, [B1.4], class C) |
| // CHECK-NEXT: 4: new C([B1.3]) |
| // CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], class C) |
| // CHECK-NEXT: 6: new C([B1.5]) |
| void operatorNewWithConstructorWithOperatorNewWithContstructor() { |
| new C(new C()); |
| } |
| |
| // CHECK: void operatorPlacementNewWithConstructorWithinPlacementArgument() |
| // CHECK: 1: CFGNewAllocator(C *) |
| // CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C) |
| // CHECK-NEXT: 3: new C([B1.2]) |
| // CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, BitCast, void *) |
| // CHECK-NEXT: 5: CFGNewAllocator(C *) |
| // CHECK-NEXT: 6: (CXXConstructExpr, [B1.7], class C) |
| // CHECK-NEXT: 7: new ([B1.4]) C([B1.6]) |
| void operatorPlacementNewWithConstructorWithinPlacementArgument() { |
| new (new C()) C(); |
| } |
| |
| } // namespace operator_new |
| |
| namespace decl_stmt { |
| |
| // CHECK: void simpleVariable() |
| // CHECK: 1: (CXXConstructExpr, [B1.2], class C) |
| // CHECK-NEXT: 2: C c; |
| void simpleVariable() { |
| C c; |
| } |
| |
| // CHECK: void simpleVariableWithBraces() |
| // CHECK: 1: {} (CXXConstructExpr, [B1.2], class C) |
| // CHECK-NEXT: 2: C c{}; |
| void simpleVariableWithBraces() { |
| C c{}; |
| } |
| |
| // CHECK: void simpleVariableWithConstructorArgument() |
| // CHECK: 1: 0 |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NullToPointer, class C *) |
| // CHECK-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.4], class C) |
| // CHECK-NEXT: 4: C c(0); |
| void simpleVariableWithConstructorArgument() { |
| C c(0); |
| } |
| |
| // CHECK: void simpleVariableWithOperatorNewInConstructorArgument() |
| // CHECK: 1: CFGNewAllocator(C *) |
| // CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C) |
| // CHECK-NEXT: 3: new C([B1.2]) |
| // CHECK-NEXT: 4: [B1.3] (CXXConstructExpr, [B1.5], class C) |
| // CHECK-NEXT: 5: C c(new C()); |
| void simpleVariableWithOperatorNewInConstructorArgument() { |
| C c(new C()); |
| } |
| |
| // CHECK: void simpleVariableWithOperatorNewInBraces() |
| // CHECK: 1: CFGNewAllocator(C *) |
| // CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C) |
| // CHECK-NEXT: 3: new C([B1.2]) |
| // CHECK-NEXT: 4: {[B1.3]} (CXXConstructExpr, [B1.5], class C) |
| // CHECK-NEXT: 5: C c{new C()}; |
| void simpleVariableWithOperatorNewInBraces() { |
| C c{new C()}; |
| } |
| |
| // CHECK: void simpleVariableInitializedByValue() |
| // CHECK: 1: C::get |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void)) |
| // CXX11-ELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4], [B1.5]) |
| // CXX11-NOELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4]) |
| // CXX11-NEXT: 4: [B1.3] |
| // CXX11-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], class C) |
| // CXX11-NEXT: 6: C c = C::get(); |
| // CXX17-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4]) |
| // CXX17-NEXT: 4: C c = C::get(); |
| void simpleVariableInitializedByValue() { |
| C c = C::get(); |
| } |
| |
| // FIXME: Find construction contexts for both branches in C++17. |
| // Note that once it gets detected, the test for the get() branch would not |
| // fail, because FileCheck allows partial matches. |
| // CHECK: void simpleVariableWithTernaryOperator(bool coin) |
| // CHECK: [B1] |
| // CXX11-NEXT: 1: [B4.2] ? [B2.5] : [B3.6] |
| // CXX11-NEXT: 2: [B1.1] |
| // CXX11-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.4], class C) |
| // CXX11-NEXT: 4: C c = coin ? C::get() : C(0); |
| // CXX17-NEXT: 1: [B4.2] ? [B2.3] : [B3.4] |
| // CXX17-NEXT: 2: C c = coin ? C::get() : C(0); |
| // CHECK: [B2] |
| // CHECK-NEXT: 1: C::get |
| // CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void)) |
| // CXX11-ELIDE-NEXT: 3: [B2.2]() (CXXRecordTypedCall, [B2.4], [B2.5]) |
| // CXX11-NOELIDE-NEXT: 3: [B2.2]() (CXXRecordTypedCall, [B2.4]) |
| // CXX11-NEXT: 4: [B2.3] |
| // CXX11-ELIDE-NEXT: 5: [B2.4] (CXXConstructExpr, [B1.2], [B1.3], class C) |
| // CXX11-NOELIDE-NEXT: 5: [B2.4] (CXXConstructExpr, [B1.2], class C) |
| // CXX17-NEXT: 3: [B2.2]() |
| // CHECK: [B3] |
| // CHECK-NEXT: 1: 0 |
| // CHECK-NEXT: 2: [B3.1] (ImplicitCastExpr, NullToPointer, class C *) |
| // CXX11-ELIDE-NEXT: 3: [B3.2] (CXXConstructExpr, [B3.5], [B3.6], class C) |
| // CXX11-NOELIDE-NEXT: 3: [B3.2] (CXXConstructExpr, [B3.5], class C) |
| // CXX11-NEXT: 4: C([B3.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C) |
| // CXX11-NEXT: 5: [B3.4] |
| // CXX11-ELIDE-NEXT: 6: [B3.5] (CXXConstructExpr, [B1.2], [B1.3], class C) |
| // CXX11-NOELIDE-NEXT: 6: [B3.5] (CXXConstructExpr, [B1.2], class C) |
| // CXX17-NEXT: 3: [B3.2] (CXXConstructExpr, class C) |
| // CXX17-NEXT: 4: C([B3.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C) |
| // CHECK: [B4] |
| // CHECK-NEXT: 1: coin |
| // CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, LValueToRValue, _Bool) |
| // CHECK-NEXT: T: [B4.2] ? ... : ... |
| void simpleVariableWithTernaryOperator(bool coin) { |
| C c = coin ? C::get() : C(0); |
| } |
| |
| // CHECK: void simpleVariableWithElidableCopy() |
| // CHECK: 1: 0 |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NullToPointer, class C *) |
| // CXX11-ELIDE-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.5], [B1.6], class C) |
| // CXX11-NOELIDE-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.5], class C) |
| // CXX17-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.5], class C) |
| // CHECK-NEXT: 4: C([B1.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C) |
| // CXX11-NEXT: 5: [B1.4] |
| // CXX11-NEXT: 6: [B1.5] (CXXConstructExpr, [B1.7], class C) |
| // CXX11-NEXT: 7: C c = C(0); |
| // CXX17-NEXT: 5: C c = C(0); |
| void simpleVariableWithElidableCopy() { |
| C c = C(0); |
| } |
| |
| // CHECK: void referenceVariableWithConstructor() |
| // CHECK: 1: 0 |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NullToPointer, class C *) |
| // CHECK-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.4], const class C) |
| // CHECK-NEXT: 4: [B1.3] |
| // CHECK-NEXT: 5: const C &c(0); |
| void referenceVariableWithConstructor() { |
| const C &c(0); |
| } |
| |
| // CHECK: void referenceVariableWithInitializer() |
| // CHECK: 1: C() (CXXConstructExpr, [B1.3], class C) |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class C) |
| // CHECK-NEXT: 3: [B1.2] |
| // CHECK-NEXT: 4: const C &c = C(); |
| void referenceVariableWithInitializer() { |
| const C &c = C(); |
| } |
| |
| // CHECK: void referenceVariableWithTernaryOperator(bool coin) |
| // CHECK: [B1] |
| // CXX11-NEXT: 1: [B4.2] ? [B2.5] : [B3.6] |
| // CXX17-NEXT: 1: [B4.2] ? [B2.3] : [B3.4] |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class C) |
| // CHECK-NEXT: 3: [B1.2] |
| // CHECK-NEXT: 4: const C &c = coin ? C::get() : C(0); |
| // CHECK: [B2] |
| // CHECK-NEXT: 1: C::get |
| // CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void)) |
| // CXX11-ELIDE-NEXT: 3: [B2.2]() (CXXRecordTypedCall, [B2.4], [B2.5]) |
| // CXX11-NOELIDE-NEXT: 3: [B2.2]() (CXXRecordTypedCall, [B2.4]) |
| // CXX11-NEXT: 4: [B2.3] |
| // CXX11-NEXT: 5: [B2.4] (CXXConstructExpr, [B1.3], class C) |
| // CXX17-NEXT: 3: [B2.2]() (CXXRecordTypedCall, [B1.3]) |
| // CHECK: [B3] |
| // CHECK-NEXT: 1: 0 |
| // CHECK-NEXT: 2: [B3.1] (ImplicitCastExpr, NullToPointer, class C *) |
| // CXX11-ELIDE-NEXT: 3: [B3.2] (CXXConstructExpr, [B3.5], [B3.6], class C) |
| // CXX11-NOELIDE-NEXT: 3: [B3.2] (CXXConstructExpr, [B3.5], class C) |
| // CXX11-NEXT: 4: C([B3.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C) |
| // CXX11-NEXT: 5: [B3.4] |
| // CXX11-NEXT: 6: [B3.5] (CXXConstructExpr, [B1.3], class C) |
| // CXX17-NEXT: 3: [B3.2] (CXXConstructExpr, [B1.3], class C) |
| // CXX17-NEXT: 4: C([B3.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C) |
| // CHECK: [B4] |
| // CHECK-NEXT: 1: coin |
| // CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, LValueToRValue, _Bool) |
| // CHECK-NEXT: T: [B4.2] ? ... : ... |
| void referenceVariableWithTernaryOperator(bool coin) { |
| const C &c = coin ? C::get() : C(0); |
| } |
| |
| } // end namespace decl_stmt |
| |
| namespace ctor_initializers { |
| |
| class D: public C { |
| C c1; |
| |
| public: |
| |
| // CHECK: D() |
| // CHECK: 1: (CXXConstructExpr, C() (Base initializer), class C) |
| // CHECK-NEXT: 2: C([B1.1]) (Base initializer) |
| // CHECK-NEXT: 3: CFGNewAllocator(C *) |
| // CHECK-NEXT: 4: (CXXConstructExpr, [B1.5], class C) |
| // CHECK-NEXT: 5: new C([B1.4]) |
| // CHECK-NEXT: 6: [B1.5] (CXXConstructExpr, c1([B1.5]) (Member initializer), class C) |
| // CHECK-NEXT: 7: c1([B1.6]) (Member initializer) |
| D(): C(), c1(new C()) {} |
| |
| // CHECK: D(int) |
| // CHECK: 1: (CXXConstructExpr, D() (Delegating initializer), class ctor_initializers::D) |
| // CHECK-NEXT: 2: D([B1.1]) (Delegating initializer) |
| D(int): D() {} |
| |
| // FIXME: Why is CXXRecordTypedCall not present in C++17? Note that once it gets |
| // detected the test would not fail, because FileCheck allows partial matches. |
| // CHECK: D(double) |
| // CHECK: 1: C::get |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void)) |
| // CHECK-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4]) |
| // CHECK-NEXT: 4: [B1.3] |
| // CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, C([B1.4]) (Base initializer), class C) |
| // CHECK-NEXT: 6: C([B1.5]) (Base initializer) |
| // CHECK-NEXT: 7: CFGNewAllocator(C *) |
| // CHECK-NEXT: 8: C::get |
| // CHECK-NEXT: 9: [B1.8] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void)) |
| // CXX11-ELIDE-NEXT: 10: [B1.9]() (CXXRecordTypedCall, [B1.11], [B1.12]) |
| // CXX11-NOELIDE-NEXT: 10: [B1.9]() (CXXRecordTypedCall, [B1.11]) |
| // CXX11-NEXT: 11: [B1.10] |
| // CXX11-NEXT: 12: [B1.11] (CXXConstructExpr, [B1.13], class C) |
| // CXX11-NEXT: 13: new C([B1.12]) |
| // CXX11-NEXT: 14: [B1.13] (CXXConstructExpr, c1([B1.13]) (Member initializer), class C) |
| // CXX11-NEXT: 15: c1([B1.14]) (Member initializer) |
| // CXX17-NEXT: 10: [B1.9]() |
| // CXX17-NEXT: 11: new C([B1.10]) |
| // CXX17-NEXT: 12: [B1.11] (CXXConstructExpr, c1([B1.11]) (Member initializer), class C) |
| // CXX17-NEXT: 13: c1([B1.12]) (Member initializer) |
| D(double): C(C::get()), c1(new C(C::get())) {} |
| }; |
| |
| // Let's see if initializers work well for fields with destructors. |
| class E { |
| public: |
| static E get(); |
| ~E(); |
| }; |
| |
| class F { |
| E e; |
| |
| public: |
| // FIXME: There should be no temporary destructor in C++17. |
| // CHECK: F() |
| // CHECK: 1: E::get |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class ctor_initializers::E (*)( |
| // CXX11-ELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4], [B1.6], [B1.7]) |
| // CXX11-NOELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4], [B1.6]) |
| // CXX11-NEXT: 4: [B1.3] (BindTemporary) |
| // CXX11-NEXT: 5: [B1.4] (ImplicitCastExpr, NoOp, const class ctor_initializers::E) |
| // CXX11-NEXT: 6: [B1.5] |
| // CXX11-NEXT: 7: [B1.6] (CXXConstructExpr, e([B1.6]) (Member initializer), class ctor_initializers |
| // CXX11-NEXT: 8: e([B1.7]) (Member initializer) |
| // CXX11-NEXT: 9: ~ctor_initializers::E() (Temporary object destructor) |
| // CXX17-NEXT: 3: [B1.2]() (CXXRecordTypedCall, e([B1.4]) (Member initializer), [B1.4]) |
| // CXX17-NEXT: 4: [B1.3] (BindTemporary) |
| // CXX17-NEXT: 5: e([B1.4]) (Member initializer) |
| // CXX17-NEXT: 6: ~ctor_initializers::E() (Temporary object destructor) |
| F(): e(E::get()) {} |
| }; |
| } // end namespace ctor_initializers |
| |
| namespace return_stmt_without_dtor { |
| |
| // CHECK: C returnVariable() |
| // CHECK: 1: (CXXConstructExpr, [B1.2], class C) |
| // CHECK-NEXT: 2: C c; |
| // CHECK-NEXT: 3: c |
| // CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, NoOp, class C) |
| // CHECK-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], class C) |
| // CHECK-NEXT: 6: return [B1.5]; |
| C returnVariable() { |
| C c; |
| return c; |
| } |
| |
| // CHECK: C returnEmptyBraces() |
| // CHECK: 1: {} (CXXConstructExpr, [B1.2], class C) |
| // CHECK-NEXT: 2: return [B1.1]; |
| C returnEmptyBraces() { |
| return {}; |
| } |
| |
| // CHECK: C returnBracesWithOperatorNew() |
| // CHECK: 1: CFGNewAllocator(C *) |
| // CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], class C) |
| // CHECK-NEXT: 3: new C([B1.2]) |
| // CHECK-NEXT: 4: {[B1.3]} (CXXConstructExpr, [B1.5], class C) |
| // CHECK-NEXT: 5: return [B1.4]; |
| C returnBracesWithOperatorNew() { |
| return {new C()}; |
| } |
| |
| // CHECK: C returnBracesWithMultipleItems() |
| // CHECK: 1: 123 |
| // CHECK-NEXT: 2: 456 |
| // CHECK-NEXT: 3: {[B1.1], [B1.2]} (CXXConstructExpr, [B1.4], class C) |
| // CHECK-NEXT: 4: return [B1.3]; |
| C returnBracesWithMultipleItems() { |
| return {123, 456}; |
| } |
| |
| // CHECK: C returnTemporary() |
| // CXX11-ELIDE: 1: C() (CXXConstructExpr, [B1.2], [B1.3], class C) |
| // CXX11-NOELIDE: 1: C() (CXXConstructExpr, [B1.2], class C) |
| // CXX11-NEXT: 2: [B1.1] |
| // CXX11-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.4], class C) |
| // CXX11-NEXT: 4: return [B1.3]; |
| // CXX17: 1: C() (CXXConstructExpr, [B1.2], class C) |
| // CXX17-NEXT: 2: return [B1.1]; |
| C returnTemporary() { |
| return C(); |
| } |
| |
| // CHECK: C returnTemporaryWithArgument() |
| // CHECK: 1: nullptr |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, NullToPointer, class C *) |
| // CXX11-ELIDE-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.5], [B1.6], class C) |
| // CXX11-NOELIDE-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.5], class C) |
| // CXX17-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.5], class C) |
| // CHECK-NEXT: 4: C([B1.3]) (CXXFunctionalCastExpr, ConstructorConversion, class C) |
| // CXX11-NEXT: 5: [B1.4] |
| // CXX11-NEXT: 6: [B1.5] (CXXConstructExpr, [B1.7], class C) |
| // CXX11-NEXT: 7: return [B1.6]; |
| // CXX17-NEXT: 5: return [B1.4]; |
| |
| C returnTemporaryWithArgument() { |
| return C(nullptr); |
| } |
| |
| // CHECK: C returnTemporaryConstructedByFunction() |
| // CHECK: 1: C::get |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void)) |
| // CXX11-ELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4], [B1.5]) |
| // CXX11-NOELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4]) |
| // CXX11-NEXT: 4: [B1.3] |
| // CXX11-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], class C) |
| // CXX11-NEXT: 6: return [B1.5]; |
| // CXX17-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4]) |
| // CXX17-NEXT: 4: return [B1.3]; |
| C returnTemporaryConstructedByFunction() { |
| return C::get(); |
| } |
| |
| // CHECK: C returnChainOfCopies() |
| // CHECK: 1: C::get |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class C (*)(void)) |
| // CXX11-ELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4], [B1.5]) |
| // CXX11-NOELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4]) |
| // CXX11-NEXT: 4: [B1.3] |
| // CXX11-ELIDE-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.7], [B1.8], class C) |
| // CXX11-NOELIDE-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.7], class C) |
| // CXX11-NEXT: 6: C([B1.5]) (CXXFunctionalCastExpr, ConstructorConversion, class C) |
| // CXX11-NEXT: 7: [B1.6] |
| // CXX11-NEXT: 8: [B1.7] (CXXConstructExpr, [B1.9], class C) |
| // CXX11-NEXT: 9: return [B1.8]; |
| // CXX17-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.5]) |
| // CXX17-NEXT: 4: C([B1.3]) (CXXFunctionalCastExpr, NoOp, class C) |
| // CXX17-NEXT: 5: return [B1.4]; |
| C returnChainOfCopies() { |
| return C(C::get()); |
| } |
| |
| } // end namespace return_stmt_without_dtor |
| |
| namespace return_stmt_with_dtor { |
| |
| class D { |
| public: |
| D(); |
| ~D(); |
| }; |
| |
| // CHECK: return_stmt_with_dtor::D returnTemporary() |
| // CXX11-ELIDE: 1: return_stmt_with_dtor::D() (CXXConstructExpr, [B1.2], [B1.4], [B1.5], class return_stmt_with_dtor::D) |
| // CXX11-NOELIDE: 1: return_stmt_with_dtor::D() (CXXConstructExpr, [B1.2], [B1.4], class return_stmt_with_dtor::D) |
| // CXX11-NEXT: 2: [B1.1] (BindTemporary) |
| // CXX11-NEXT: 3: [B1.2] (ImplicitCastExpr, NoOp, const class return_stmt_with_dtor::D) |
| // CXX11-NEXT: 4: [B1.3] |
| // CXX11-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.7], class return_stmt_with_dtor::D) |
| // CXX11-NEXT: 6: ~return_stmt_with_dtor::D() (Temporary object destructor) |
| // CXX11-NEXT: 7: return [B1.5]; |
| // CXX17: 1: return_stmt_with_dtor::D() (CXXConstructExpr, [B1.3], [B1.2], class return_stmt_w |
| // CXX17-NEXT: 2: [B1.1] (BindTemporary) |
| // CXX17-NEXT: 3: return [B1.2]; |
| D returnTemporary() { |
| return D(); |
| } |
| |
| // CHECK: void returnByValueIntoVariable() |
| // CHECK: 1: returnTemporary |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class return_stmt_with_dtor::D (*)(void)) |
| // CXX11-ELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4], [B1.6], [B1.7]) |
| // CXX11-NOELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4], [B1.6]) |
| // CXX11-NEXT: 4: [B1.3] (BindTemporary) |
| // CXX11-NEXT: 5: [B1.4] (ImplicitCastExpr, NoOp, const class return_stmt_with_dtor::D) |
| // CXX11-NEXT: 6: [B1.5] |
| // CXX11-NEXT: 7: [B1.6] (CXXConstructExpr, [B1.8], class return_stmt_with_dtor::D) |
| // CXX11-NEXT: 8: return_stmt_with_dtor::D d = returnTemporary(); |
| // CXX11-NEXT: 9: ~return_stmt_with_dtor::D() (Temporary object destructor) |
| // CXX11-NEXT: 10: [B1.8].~return_stmt_with_dtor::D() (Implicit destructor) |
| // CXX17-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.5], [B1.4]) |
| // CXX17-NEXT: 4: [B1.3] (BindTemporary) |
| // CXX17-NEXT: 5: return_stmt_with_dtor::D d = returnTemporary(); |
| void returnByValueIntoVariable() { |
| D d = returnTemporary(); |
| } |
| |
| } // end namespace return_stmt_with_dtor |
| |
| namespace temporary_object_expr_without_dtors { |
| |
| // TODO: Should provide construction context for the constructor, |
| // even if there is no specific trigger statement here. |
| // CHECK: void simpleTemporary() |
| // CHECK: 1: C() (CXXConstructExpr, class C) |
| void simpleTemporary() { |
| C(); |
| } |
| |
| // CHECK: void temporaryInCondition() |
| // CHECK: 1: C() (CXXConstructExpr, [B2.2], class C) |
| // CHECK-NEXT: 2: [B2.1] |
| // CHECK-NEXT: 3: [B2.2] (ImplicitCastExpr, NoOp, const class C) |
| // CHECK-NEXT: 4: [B2.3].operator bool |
| // CHECK-NEXT: 5: [B2.3] |
| // CHECK-NEXT: 6: [B2.5] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CHECK-NEXT: T: if [B2.6] |
| void temporaryInCondition() { |
| if (C()); |
| } |
| |
| // CHECK: void temporaryInConditionVariable() |
| // CXX11-ELIDE: 1: C() (CXXConstructExpr, [B2.2], [B2.3], class C) |
| // CXX11-NOELIDE: 1: C() (CXXConstructExpr, [B2.2], class C) |
| // CXX11-NEXT: 2: [B2.1] |
| // CXX11-NEXT: 3: [B2.2] (CXXConstructExpr, [B2.4], class C) |
| // CXX11-NEXT: 4: C c = C(); |
| // CXX11-NEXT: 5: c |
| // CXX11-NEXT: 6: [B2.5] (ImplicitCastExpr, NoOp, const class C) |
| // CXX11-NEXT: 7: [B2.6].operator bool |
| // CXX11-NEXT: 8: [B2.6] |
| // CXX11-NEXT: 9: [B2.8] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CXX11-NEXT: T: if [B2.9] |
| // CXX17: 1: C() (CXXConstructExpr, [B2.2], class C) |
| // CXX17-NEXT: 2: C c = C(); |
| // CXX17-NEXT: 3: c |
| // CXX17-NEXT: 4: [B2.3] (ImplicitCastExpr, NoOp, const class C) |
| // CXX17-NEXT: 5: [B2.4].operator bool |
| // CXX17-NEXT: 6: [B2.4] |
| // CXX17-NEXT: 7: [B2.6] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CXX17-NEXT: T: if [B2.7] |
| void temporaryInConditionVariable() { |
| if (C c = C()); |
| } |
| |
| |
| // CHECK: void temporaryInForLoopConditionVariable() |
| // CHECK: [B2] |
| // CXX11-ELIDE-NEXT: 1: C() (CXXConstructExpr, [B2.2], [B2.3], class C) |
| // CXX11-NOELIDE-NEXT: 1: C() (CXXConstructExpr, [B2.2], class C) |
| // CXX11-NEXT: 2: [B2.1] |
| // CXX11-NEXT: 3: [B2.2] (CXXConstructExpr, [B2.4], class C) |
| // CXX11-NEXT: 4: C c2 = C(); |
| // CXX11-NEXT: 5: c2 |
| // CXX11-NEXT: 6: [B2.5] (ImplicitCastExpr, NoOp, const class C) |
| // CXX11-NEXT: 7: [B2.6].operator bool |
| // CXX11-NEXT: 8: [B2.6] |
| // CXX11-NEXT: 9: [B2.8] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CXX11-NEXT: T: for (...; [B2.9]; ) |
| // CXX17-NEXT: 1: C() (CXXConstructExpr, [B2.2], class C) |
| // CXX17-NEXT: 2: C c2 = C(); |
| // CXX17-NEXT: 3: c2 |
| // CXX17-NEXT: 4: [B2.3] (ImplicitCastExpr, NoOp, const class C) |
| // CXX17-NEXT: 5: [B2.4].operator bool |
| // CXX17-NEXT: 6: [B2.4] |
| // CXX17-NEXT: 7: [B2.6] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CXX17-NEXT: T: for (...; [B2.7]; ) |
| // CHECK: [B3] |
| // CXX11-ELIDE-NEXT: 1: C() (CXXConstructExpr, [B3.2], [B3.3], class C) |
| // CXX11-NOELIDE-NEXT: 1: C() (CXXConstructExpr, [B3.2], class C) |
| // CXX11-NEXT: 2: [B3.1] |
| // CXX11-NEXT: 3: [B3.2] (CXXConstructExpr, [B3.4], class C) |
| // CXX11-NEXT: 4: C c1 = C(); |
| // CXX17-NEXT: 1: C() (CXXConstructExpr, [B3.2], class C) |
| // CXX17-NEXT: 2: C c1 = C(); |
| void temporaryInForLoopConditionVariable() { |
| for (C c1 = C(); C c2 = C(); ); |
| } |
| |
| |
| // CHECK: void temporaryInWhileLoopConditionVariable() |
| // CXX11-ELIDE: 1: C() (CXXConstructExpr, [B2.2], [B2.3], class C) |
| // CXX11-NOELIDE: 1: C() (CXXConstructExpr, [B2.2], class C) |
| // CXX11-NEXT: 2: [B2.1] |
| // CXX11-NEXT: 3: [B2.2] (CXXConstructExpr, [B2.4], class C) |
| // CXX11-NEXT: 4: C c = C(); |
| // CXX11-NEXT: 5: c |
| // CXX11-NEXT: 6: [B2.5] (ImplicitCastExpr, NoOp, const class C) |
| // CXX11-NEXT: 7: [B2.6].operator bool |
| // CXX11-NEXT: 8: [B2.6] |
| // CXX11-NEXT: 9: [B2.8] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CXX11-NEXT: T: while [B2.9] |
| // CXX17: 1: C() (CXXConstructExpr, [B2.2], class C) |
| // CXX17-NEXT: 2: C c = C(); |
| // CXX17-NEXT: 3: c |
| // CXX17-NEXT: 4: [B2.3] (ImplicitCastExpr, NoOp, const class C) |
| // CXX17-NEXT: 5: [B2.4].operator bool |
| // CXX17-NEXT: 6: [B2.4] |
| // CXX17-NEXT: 7: [B2.6] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CXX17-NEXT: T: while [B2.7] |
| void temporaryInWhileLoopConditionVariable() { |
| while (C c = C()); |
| } |
| |
| } // end namespace temporary_object_expr_without_dtors |
| |
| namespace temporary_object_expr_with_dtors { |
| |
| class D { |
| public: |
| D(); |
| D(int); |
| ~D(); |
| |
| static D get(); |
| |
| operator bool() const; |
| }; |
| |
| // CHECK: void simpleTemporary() |
| // CHECK: 1: temporary_object_expr_with_dtors::D() (CXXConstructExpr, [B1.2], class temporary_object_expr_with_dtors::D) |
| // CHECK-NEXT: 2: [B1.1] (BindTemporary) |
| // CHECK-NEXT: 3: ~temporary_object_expr_with_dtors::D() (Temporary object destructor) |
| void simpleTemporary() { |
| D(); |
| } |
| |
| // CHECK: void temporaryInCondition() |
| // CHECK: 1: temporary_object_expr_with_dtors::D() (CXXConstructExpr, [B2.2], [B2.3], class temporary_object_expr_with_dtors::D) |
| // CHECK-NEXT: 2: [B2.1] (BindTemporary) |
| // CHECK-NEXT: 3: [B2.2] |
| // CHECK-NEXT: 4: [B2.3] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D) |
| // CHECK-NEXT: 5: [B2.4].operator bool |
| // CHECK-NEXT: 6: [B2.4] |
| // CHECK-NEXT: 7: [B2.6] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CHECK-NEXT: 8: ~temporary_object_expr_with_dtors::D() (Temporary object destructor) |
| // CHECK-NEXT: T: if [B2.7] |
| void temporaryInCondition() { |
| if (D()); |
| } |
| |
| // CHECK: void referenceVariableWithConstructor() |
| // CHECK: 1: 0 |
| // CHECK-NEXT: 2: [B1.1] (CXXConstructExpr, [B1.4], const class temporary_object_expr_with_dtors::D) |
| // CHECK-NEXT: 3: [B1.2] (BindTemporary) |
| // CHECK-NEXT: 4: [B1.3] |
| // CHECK-NEXT: 5: const temporary_object_expr_with_dtors::D &d(0); |
| // CHECK-NEXT: 6: [B1.5].~temporary_object_expr_with_dtors::D() (Implicit destructor) |
| void referenceVariableWithConstructor() { |
| const D &d(0); |
| } |
| |
| // CHECK: void referenceVariableWithInitializer() |
| // CHECK: 1: temporary_object_expr_with_dtors::D() (CXXConstructExpr, [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].~temporary_object_expr_with_dtors::D() (Implicit destructor) |
| void referenceVariableWithInitializer() { |
| const D &d = D(); |
| } |
| |
| // CHECK: void referenceVariableWithTernaryOperator(bool coin) |
| // CXX11: [B1] |
| // CXX11-NEXT: 1: [B4.4].~temporary_object_expr_with_dtors::D() (Implicit destructor) |
| // CXX11: [B2] |
| // CXX11-NEXT: 1: ~temporary_object_expr_with_dtors::D() (Temporary object destructor) |
| // CXX11: [B3] |
| // CXX11-NEXT: 1: ~temporary_object_expr_with_dtors::D() (Temporary object destructor) |
| // CXX11: [B4] |
| // CXX11-NEXT: 1: [B7.2] ? [B5.8] : [B6.8] |
| // CXX11-NEXT: 2: [B4.1] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 3: [B4.2] |
| // CXX11-NEXT: 4: const temporary_object_expr_with_dtors::D &d = coin ? D::get() : temporary_object_expr_with_dtors::D(0); |
| // CXX11-NEXT: T: (Temp Dtor) [B6.3] |
| // CXX11: [B5] |
| // CXX11-NEXT: 1: D::get |
| // CXX11-NEXT: 2: [B5.1] (ImplicitCastExpr, FunctionToPointerDecay, class temporary_object_expr_with_dtors::D (*)(void)) |
| // CXX11-ELIDE-NEXT: 3: [B5.2]() (CXXRecordTypedCall, [B5.4], [B5.6], [B5.7]) |
| // CXX11-NOELIDE-NEXT: 3: [B5.2]() (CXXRecordTypedCall, [B5.4], [B5.6]) |
| // CXX11-NEXT: 4: [B5.3] (BindTemporary) |
| // CXX11-NEXT: 5: [B5.4] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 6: [B5.5] |
| // CXX11-NEXT: 7: [B5.6] (CXXConstructExpr, [B4.3], class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 8: [B5.7] (BindTemporary) |
| // CXX11: [B6] |
| // CXX11-NEXT: 1: 0 |
| // CXX11-ELIDE-NEXT: 2: [B6.1] (CXXConstructExpr, [B6.3], [B6.6], [B6.7], class temporary_object_expr_with_dtors::D) |
| // CXX11-NOELIDE-NEXT: 2: [B6.1] (CXXConstructExpr, [B6.3], [B6.6], class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 3: [B6.2] (BindTemporary) |
| // CXX11-NEXT: 4: temporary_object_expr_with_dtors::D([B6.3]) (CXXFunctionalCastExpr, ConstructorConversion, class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 5: [B6.4] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 6: [B6.5] |
| // CXX11-NEXT: 7: [B6.6] (CXXConstructExpr, [B4.3], class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 8: [B6.7] (BindTemporary) |
| // CXX11: [B7] |
| // CXX11-NEXT: 1: coin |
| // CXX11-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool) |
| // CXX11-NEXT: T: [B7.2] ? ... : ... |
| // CXX17: [B1] |
| // CXX17-NEXT: 1: [B4.2] ? [B2.4] : [B3.4] |
| // CXX17-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D) |
| // CXX17-NEXT: 3: [B1.2] |
| // CXX17-NEXT: 4: const temporary_object_expr_with_dtors::D &d = coin ? D::get() : temporary_object_expr_with_dtors::D(0); |
| // CXX17-NEXT: 5: [B1.4].~temporary_object_expr_with_dtors::D() (Implicit destructor) |
| // CXX17: [B2] |
| // CXX17-NEXT: 1: D::get |
| // CXX17-NEXT: 2: [B2.1] (ImplicitCastExpr, FunctionToPointerDecay, class temporary_object_expr_with_dtors::D (*)(void)) |
| // CXX17-NEXT: 3: [B2.2]() (CXXRecordTypedCall, [B1.3]) |
| // CXX17-NEXT: 4: [B2.3] (BindTemporary) |
| // CXX17: [B3] |
| // CXX17-NEXT: 1: 0 |
| // CXX17-NEXT: 2: [B3.1] (CXXConstructExpr, [B1.3], class temporary_object_expr_with_dtors::D) |
| // CXX17-NEXT: 3: [B3.2] (BindTemporary) |
| // CXX17-NEXT: 4: temporary_object_expr_with_dtors::D([B3.3]) (CXXFunctionalCastExpr, ConstructorConversion, class temporary_object_expr_with_dtors::D) |
| // CXX17: [B4] |
| // CXX17-NEXT: 1: coin |
| // CXX17-NEXT: 2: [B4.1] (ImplicitCastExpr, LValueToRValue, _Bool) |
| // CXX17-NEXT: T: [B4.2] ? ... : ... |
| void referenceVariableWithTernaryOperator(bool coin) { |
| const D &d = coin ? D::get() : D(0); |
| } |
| |
| // CHECK: void referenceWithFunctionalCast() |
| // CHECK: 1: 1 |
| // CHECK-NEXT: 2: [B1.1] (CXXConstructExpr, [B1.5], 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].~temporary_object_expr_with_dtors::D() (Implicit destructor) |
| void referenceWithFunctionalCast() { |
| D &&d = D(1); |
| } |
| |
| // Test the condition constructor, we don't care about branch constructors here. |
| // CHECK: void constructorInTernaryCondition() |
| // CXX11: 1: 1 |
| // CXX11-NEXT: 2: [B7.1] (CXXConstructExpr, [B7.3], [B7.5], class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 3: [B7.2] (BindTemporary) |
| // CXX11-NEXT: 4: temporary_object_expr_with_dtors::D([B7.3]) (CXXFunctionalCastExpr, ConstructorConversion, class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 5: [B7.4] |
| // CXX11-NEXT: 6: [B7.5] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D) |
| // CXX11-NEXT: 7: [B7.6].operator bool |
| // CXX11-NEXT: 8: [B7.6] |
| // CXX11-NEXT: 9: [B7.8] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CXX11-NEXT: T: [B7.9] ? ... : ... |
| // CXX17: 1: 1 |
| // CXX17-NEXT: 2: [B4.1] (CXXConstructExpr, [B4.3], [B4.5], class temporary_object_expr_with_dtors::D) |
| // CXX17-NEXT: 3: [B4.2] (BindTemporary) |
| // CXX17-NEXT: 4: temporary_object_expr_with_dtors::D([B4.3]) (CXXFunctionalCastExpr, ConstructorConversion, class temporary_object_expr_with_dtors::D) |
| // CXX17-NEXT: 5: [B4.4] |
| // CXX17-NEXT: 6: [B4.5] (ImplicitCastExpr, NoOp, const class temporary_object_expr_with_dtors::D) |
| // CXX17-NEXT: 7: [B4.6].operator bool |
| // CXX17-NEXT: 8: [B4.6] |
| // CXX17-NEXT: 9: [B4.8] (ImplicitCastExpr, UserDefinedConversion, _Bool) |
| // CXX17-NEXT: T: [B4.9] ? ... : ... |
| 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) |
| // CXX11-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::A) |
| // CXX11-NEXT: 3: [B1.2] |
| // CXX11-ELIDE-NEXT: 4: [B1.3] (CXXConstructExpr, [B1.6], [B1.8], [B1.9], class implicit_constructor_conversion::B) |
| // CXX11-NOELIDE-NEXT: 4: [B1.3] (CXXConstructExpr, [B1.6], [B1.8], class implicit_constructor_conversion::B) |
| // CXX11-NEXT: 5: [B1.4] (ImplicitCastExpr, ConstructorConversion, class implicit_constructor_conversion::B) |
| // CXX11-NEXT: 6: [B1.5] (BindTemporary) |
| // CXX11-NEXT: 7: [B1.6] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::B) |
| // CXX11-NEXT: 8: [B1.7] |
| // CXX11-NEXT: 9: [B1.8] (CXXConstructExpr, [B1.10], class implicit_constructor_conversion::B) |
| // CXX11-NEXT: 10: implicit_constructor_conversion::B b = implicit_constructor_conversion::A(); |
| // CXX11-NEXT: 11: ~implicit_constructor_conversion::B() (Temporary object destructor) |
| // CXX11-NEXT: 12: [B1.10].~implicit_constructor_conversion::B() (Implicit destructor) |
| // CXX17-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::A) |
| // CXX17-NEXT: 3: [B1.2] |
| // CXX17-NEXT: 4: [B1.3] (CXXConstructExpr, [B1.6], class implicit_constructor_conversion::B) |
| // CXX17-NEXT: 5: [B1.4] (ImplicitCastExpr, ConstructorConversion, class implicit_constructor_conversion::B) |
| // CXX17-NEXT: 6: implicit_constructor_conversion::B b = implicit_constructor_conversion::A(); |
| // CXX17-NEXT: 7: [B1.6].~implicit_constructor_conversion::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] |
| // CXX11-ELIDE-NEXT: 6: [B1.5] (CXXConstructExpr, [B1.8], [B1.10], [B1.11], class implicit_constructor_conversion::B) |
| // CXX11-NOELIDE-NEXT: 6: [B1.5] (CXXConstructExpr, [B1.8], [B1.10], class implicit_constructor_conversion::B) |
| // CXX11-NEXT: 7: [B1.6] (ImplicitCastExpr, ConstructorConversion, class implicit_constructor_conversion::B) |
| // CXX11-NEXT: 8: [B1.7] (BindTemporary) |
| // CXX11-NEXT: 9: [B1.8] (ImplicitCastExpr, NoOp, const class implicit_constructor_conversion::B) |
| // CXX11-NEXT: 10: [B1.9] |
| // CXX11-NEXT: 11: [B1.10] (CXXConstructExpr, [B1.12], class implicit_constructor_conversion::B) |
| // CXX11-NEXT: 12: implicit_constructor_conversion::B b = get(); |
| // CXX11-NEXT: 13: ~implicit_constructor_conversion::B() (Temporary object destructor) |
| // CXX11-NEXT: 14: [B1.12].~implicit_constructor_conversion::B() (Implicit destructor) |
| // CXX17-NEXT: 6: [B1.5] (CXXConstructExpr, [B1.8], class implicit_constructor_conversion::B) |
| // CXX17-NEXT: 7: [B1.6] (ImplicitCastExpr, ConstructorConversion, class implicit_constructor_conversion::B) |
| // CXX17-NEXT: 8: implicit_constructor_conversion::B b = get(); |
| // CXX17-NEXT: 9: [B1.8].~implicit_constructor_conversion::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].~implicit_constructor_conversion::B() (Implicit destructor) |
| void implicitConstructionConversionFromTemporaryWithLifetimeExtension() { |
| const B &b = A(); |
| } |
| |
| // 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].~implicit_constructor_conversion::B() (Implicit destructor) |
| void implicitConstructionConversionFromFunctionValueWithLifetimeExtension() { |
| const B &b = get(); // no-crash |
| } |
| |
| } // end namespace implicit_constructor_conversion |
| |
| namespace argument_constructors { |
| class D { |
| public: |
| D(); |
| ~D(); |
| }; |
| |
| class E { |
| public: |
| E(D d); |
| E(D d1, D d2); |
| }; |
| |
| void useC(C c); |
| void useCByReference(const C &c); |
| void useD(D d); |
| void useDByReference(const D &d); |
| void useCAndD(C c, D d); |
| |
| // CHECK: void passArgument() |
| // CHECK: 1: useC |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, void (*)(class C)) |
| // CXX11-ELIDE-NEXT: 3: C() (CXXConstructExpr, [B1.4], [B1.5], class C) |
| // CXX11-NOELIDE-NEXT: 3: C() (CXXConstructExpr, [B1.4], class C) |
| // CXX11-NEXT: 4: [B1.3] |
| // CXX11-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6]+0, class C) |
| // CXX11-NEXT: 6: [B1.2]([B1.5]) |
| // CXX17-NEXT: 3: C() (CXXConstructExpr, [B1.4]+0, class C) |
| // CXX17-NEXT: 4: [B1.2]([B1.3]) |
| void passArgument() { |
| useC(C()); |
| } |
| |
| // CHECK: void passTwoArguments() |
| // CHECK: [B1] |
| // CHECK-NEXT: 1: useCAndD |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, void (*)(class C, class argument_constructors::D)) |
| // CXX11-ELIDE-NEXT: 3: C() (CXXConstructExpr, [B1.4], [B1.5], class C) |
| // CXX11-NOELIDE-NEXT: 3: C() (CXXConstructExpr, [B1.4], class C) |
| // CXX11-NEXT: 4: [B1.3] |
| // CXX11-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.12]+0, class C) |
| // CXX11-ELIDE-NEXT: 6: argument_constructors::D() (CXXConstructExpr, [B1.7], [B1.9], [B1.10], class argument_constructors::D) |
| // CXX11-NOELIDE-NEXT: 6: argument_constructors::D() (CXXConstructExpr, [B1.7], [B1.9], class argument_constructors::D) |
| // CXX11-NEXT: 7: [B1.6] (BindTemporary) |
| // CXX11-NEXT: 8: [B1.7] (ImplicitCastExpr, NoOp, const class argument_constructors::D) |
| // CXX11-NEXT: 9: [B1.8] |
| // CXX11-NEXT: 10: [B1.9] (CXXConstructExpr, [B1.11], [B1.12]+1, class argument_constructors::D) |
| // CXX11-NEXT: 11: [B1.10] (BindTemporary) |
| // CXX11-NEXT: 12: [B1.2]([B1.5], [B1.11]) |
| // CXX11-NEXT: 13: ~argument_constructors::D() (Temporary object destructor) |
| // CXX11-NEXT: 14: ~argument_constructors::D() (Temporary object destructor) |
| // CXX17-NEXT: 3: C() (CXXConstructExpr, [B1.6]+0, class C) |
| // CXX17-NEXT: 4: argument_constructors::D() (CXXConstructExpr, [B1.5], [B1.6]+1, class argument_co |
| // CXX17-NEXT: 5: [B1.4] (BindTemporary) |
| // CXX17-NEXT: 6: [B1.2]([B1.3], [B1.5]) |
| // CXX17-NEXT: 7: ~argument_constructors::D() (Temporary object destructor) |
| void passTwoArguments() { |
| useCAndD(C(), D()); |
| } |
| |
| // CHECK: void passArgumentByReference() |
| // CHECK: 1: useCByReference |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, void (*)(const class C &)) |
| // CHECK-NEXT: 3: C() (CXXConstructExpr, [B1.5], class C) |
| // CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, NoOp, const class C) |
| // CHECK-NEXT: 5: [B1.4] |
| // CHECK-NEXT: 6: [B1.2]([B1.5]) |
| void passArgumentByReference() { |
| useCByReference(C()); |
| } |
| |
| // CHECK: void passArgumentWithDestructor() |
| // CHECK: 1: useD |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, void (*)(class argument_constructors::D)) |
| // CXX11-ELIDE-NEXT: 3: argument_constructors::D() (CXXConstructExpr, [B1.4], [B1.6], [B1.7], class argument_constructors::D) |
| // CXX11-NOELIDE-NEXT: 3: argument_constructors::D() (CXXConstructExpr, [B1.4], [B1.6], class argument_constructors::D) |
| // CXX11-NEXT: 4: [B1.3] (BindTemporary) |
| // CXX11-NEXT: 5: [B1.4] (ImplicitCastExpr, NoOp, const class argument_constructors::D) |
| // CXX11-NEXT: 6: [B1.5] |
| // CXX11-NEXT: 7: [B1.6] (CXXConstructExpr, [B1.8], [B1.9]+0, class argument_constructors::D) |
| // CXX11-NEXT: 8: [B1.7] (BindTemporary) |
| // CXX11-NEXT: 9: [B1.2]([B1.8]) |
| // CXX11-NEXT: 10: ~argument_constructors::D() (Temporary object destructor) |
| // CXX11-NEXT: 11: ~argument_constructors::D() (Temporary object destructor) |
| // CXX17-NEXT: 3: argument_constructors::D() (CXXConstructExpr, [B1.4], [B1.5]+0, class argument_constructors::D) |
| // CXX17-NEXT: 4: [B1.3] (BindTemporary) |
| // CXX17-NEXT: 5: [B1.2]([B1.4]) |
| // CXX17-NEXT: 6: ~argument_constructors::D() (Temporary object destructor) |
| void passArgumentWithDestructor() { |
| useD(D()); |
| } |
| |
| // CHECK: void passArgumentWithDestructorByReference() |
| // CHECK: 1: useDByReference |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, void (*)(const class argumen |
| // CHECK-NEXT: 3: argument_constructors::D() (CXXConstructExpr, [B1.4], [B1.6], class argument_c |
| // CHECK-NEXT: 4: [B1.3] (BindTemporary) |
| // CHECK-NEXT: 5: [B1.4] (ImplicitCastExpr, NoOp, const class argument_constructors::D) |
| // CHECK-NEXT: 6: [B1.5] |
| // CHECK-NEXT: 7: [B1.2]([B1.6]) |
| // CHECK-NEXT: 8: ~argument_constructors::D() (Temporary object destructor) |
| void passArgumentWithDestructorByReference() { |
| useDByReference(D()); |
| } |
| |
| // CHECK: void passArgumentIntoAnotherConstructor() |
| // CXX11-ELIDE: 1: argument_constructors::D() (CXXConstructExpr, [B1.2], [B1.4], [B1.5], class argument_constructors::D) |
| // CXX11-NOELIDE: 1: argument_constructors::D() (CXXConstructExpr, [B1.2], [B1.4], class argument_constructors::D) |
| // CXX11-NEXT: 2: [B1.1] (BindTemporary) |
| // CXX11-NEXT: 3: [B1.2] (ImplicitCastExpr, NoOp, const class argument_constructors::D) |
| // CXX11-NEXT: 4: [B1.3] |
| // CXX11-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], [B1.7]+0, class argument_constructors::D) |
| // CXX11-NEXT: 6: [B1.5] (BindTemporary) |
| // CXX11-ELIDE-NEXT: 7: [B1.6] (CXXConstructExpr, [B1.9], [B1.10], class argument_constructors::E) |
| // CXX11-NOELIDE-NEXT: 7: [B1.6] (CXXConstructExpr, [B1.9], class argument_constructors::E) |
| // CXX11-NEXT: 8: argument_constructors::E([B1.7]) (CXXFunctionalCastExpr, ConstructorConversion, class argument_constructors::E) |
| // CXX11-NEXT: 9: [B1.8] |
| // CXX11-NEXT: 10: [B1.9] (CXXConstructExpr, [B1.11], class argument_constructors::E) |
| // CXX11-NEXT: 11: argument_constructors::E e = argument_constructors::E(argument_constructors::D()); |
| // CXX11-NEXT: 12: ~argument_constructors::D() (Temporary object destructor) |
| // CXX11-NEXT: 13: ~argument_constructors::D() (Temporary object destructor) |
| // CXX17: 1: argument_constructors::D() (CXXConstructExpr, [B1.2], [B1.3]+0, class argument_constructors::D) |
| // CXX17-NEXT: 2: [B1.1] (BindTemporary) |
| // CXX17-NEXT: 3: [B1.2] (CXXConstructExpr, [B1.5], class argument_constructors::E) |
| // CXX17-NEXT: 4: argument_constructors::E([B1.3]) (CXXFunctionalCastExpr, ConstructorConversion, class argument_constructors::E) |
| // CXX17-NEXT: 5: argument_constructors::E e = argument_constructors::E(argument_constructors::D()); |
| // CXX17-NEXT: 6: ~argument_constructors::D() (Temporary object destructor) |
| void passArgumentIntoAnotherConstructor() { |
| E e = E(D()); |
| } |
| |
| |
| // CHECK: void passTwoArgumentsIntoAnotherConstructor() |
| // CXX11-ELIDE: 1: argument_constructors::D() (CXXConstructExpr, [B1.2], [B1.4], [B1.5], class argument_constructors::D) |
| // CXX11-NOELIDE: 1: argument_constructors::D() (CXXConstructExpr, [B1.2], [B1.4], class argument_constructors::D) |
| // CXX11-NEXT: 2: [B1.1] (BindTemporary) |
| // CXX11-NEXT: 3: [B1.2] (ImplicitCastExpr, NoOp, const class argument_constructors::D) |
| // CXX11-NEXT: 4: [B1.3] |
| // CXX11-NEXT: 5: [B1.4] (CXXConstructExpr, [B1.6], [B1.13]+0, class argument_constructors::D) |
| // CXX11-NEXT: 6: [B1.5] (BindTemporary) |
| // CXX11-ELIDE-NEXT: 7: argument_constructors::D() (CXXConstructExpr, [B1.8], [B1.10], [B1.11], class argument_constructors::D) |
| // CXX11-NOELIDE-NEXT: 7: argument_constructors::D() (CXXConstructExpr, [B1.8], [B1.10], class argument_constructors::D) |
| // CXX11-NEXT: 8: [B1.7] (BindTemporary) |
| // CXX11-NEXT: 9: [B1.8] (ImplicitCastExpr, NoOp, const class argument_constructors::D) |
| // CXX11-NEXT: 10: [B1.9] |
| // CXX11-NEXT: 11: [B1.10] (CXXConstructExpr, [B1.12], [B1.13]+1, class argument_constructors::D) |
| // CXX11-NEXT: 12: [B1.11] (BindTemporary) |
| // CXX11-NEXT: 13: argument_constructors::E([B1.6], [B1.12]) (CXXConstructExpr, class argument_constructors::E) |
| // CXX11-NEXT: 14: ~argument_constructors::D() (Temporary object destructor) |
| // CXX11-NEXT: 15: ~argument_constructors::D() (Temporary object destructor) |
| // CXX11-NEXT: 16: ~argument_constructors::D() (Temporary object destructor) |
| // CXX11-NEXT: 17: ~argument_constructors::D() (Temporary object destructor) |
| // CXX17: 1: argument_constructors::D() (CXXConstructExpr, [B1.2], [B1.5]+0, class argument_constructors::D) |
| // CXX17-NEXT: 2: [B1.1] (BindTemporary) |
| // CXX17-NEXT: 3: argument_constructors::D() (CXXConstructExpr, [B1.4], [B1.5]+1, class argument_constructors::D) |
| // CXX17-NEXT: 4: [B1.3] (BindTemporary) |
| // CXX17-NEXT: 5: argument_constructors::E([B1.2], [B1.4]) (CXXConstructExpr, class argument_constructors::E) |
| // CXX17-NEXT: 6: ~argument_constructors::D() (Temporary object destructor) |
| // CXX17-NEXT: 7: ~argument_constructors::D() (Temporary object destructor) |
| void passTwoArgumentsIntoAnotherConstructor() { |
| E(D(), D()); |
| } |
| } // end namespace argument_constructors |
| |
| namespace copy_elision_with_extra_arguments { |
| class C { |
| public: |
| C(); |
| C(const C &c, int x = 0); |
| }; |
| |
| // CHECK: void testCopyElisionWhenCopyConstructorHasExtraArguments() |
| // CHECK: [B1] |
| // CXX11-ELIDE-NEXT: 1: copy_elision_with_extra_arguments::C() (CXXConstructExpr, [B1.3], [B1.5], class copy_elision_with_extra_arguments::C) |
| // CXX11-NOELIDE-NEXT: 1: copy_elision_with_extra_arguments::C() (CXXConstructExpr, [B1.3], class copy_elision_with_extra_arguments::C) |
| // CXX11-NEXT: 2: [B1.1] (ImplicitCastExpr, NoOp, const class copy_elision_with_extra_arguments::C) |
| // CXX11-NEXT: 3: [B1.2] |
| // CXX11-NEXT: 4: |
| // CXX11-NEXT: 5: [B1.3] (CXXConstructExpr, [B1.6], class copy_elision_with_extra_arguments::C) |
| // CXX11-NEXT: 6: copy_elision_with_extra_arguments::C c = copy_elision_with_extra_arguments::C(); |
| // CXX17-NEXT: 1: copy_elision_with_extra_arguments::C() (CXXConstructExpr, [B1.2], class copy_elision_with_extra_arguments::C) |
| // CXX17-NEXT: 2: copy_elision_with_extra_arguments::C c = copy_elision_with_extra_arguments::C(); |
| void testCopyElisionWhenCopyConstructorHasExtraArguments() { |
| C c = C(); |
| } |
| } // namespace copy_elision_with_extra_arguments |
| |
| |
| namespace operators { |
| class C { |
| public: |
| C(int); |
| C &operator+(C Other); |
| }; |
| |
| // FIXME: Find construction context for the this-argument of the operator. |
| // CHECK: void testOperators() |
| // CHECK: [B1] |
| // CHECK-NEXT: 1: operator+ |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class operators::C &(*)(class o |
| // CHECK-NEXT: 3: 1 |
| // CHECK-NEXT: 4: [B1.3] (CXXConstructExpr, [B1.6], class operators::C) |
| // CHECK-NEXT: 5: operators::C([B1.4]) (CXXFunctionalCastExpr, ConstructorConversion, class operato |
| // CHECK-NEXT: 6: [B1.5] |
| // CHECK-NEXT: 7: 2 |
| // CXX11-ELIDE-NEXT: 8: [B1.7] (CXXConstructExpr, [B1.10], [B1.11], class operators::C) |
| // CXX11-NOELIDE-NEXT: 8: [B1.7] (CXXConstructExpr, [B1.10], class operators::C) |
| // CXX11-NEXT: 9: operators::C([B1.8]) (CXXFunctionalCastExpr, ConstructorConversion, class operato |
| // CXX11-NEXT: 10: [B1.9] |
| // CXX11-NEXT: 11: [B1.10] (CXXConstructExpr, [B1.12]+1, class operators::C) |
| // CXX11-NEXT: 12: [B1.6] + [B1.11] (OperatorCall) |
| // CXX17-NEXT: 8: [B1.7] (CXXConstructExpr, [B1.10]+1, class operators::C) |
| // CXX17-NEXT: 9: operators::C([B1.8]) (CXXFunctionalCastExpr, ConstructorConversion, class operato |
| // CXX17-NEXT: 10: [B1.6] + [B1.9] (OperatorCall) |
| void testOperators() { |
| C(1) + C(2); |
| } |
| } // namespace operators |
| |
| namespace variadic_function_arguments { |
| class C { |
| public: |
| C(int); |
| }; |
| |
| int variadic(...); |
| |
| // This code is quite exotic, so let's not test the CFG for it, |
| // but only make sure we don't crash. |
| void testCrashOnVariadicArgument() { |
| C c(variadic(0 ? c : 0)); // no-crash |
| } |
| } // namespace variadic_function_arguments |
| |
| // CHECK: void testTransparentInitListExprs() |
| // CHECK: [B1] |
| // CHECK-NEXT: 1: getC |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, FunctionToPointerDecay, class transparent_init_list_exprs::C (*)(void)) |
| // CXX11-ELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4], [B1.5]) |
| // CXX11-NOELIDE-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.4]) |
| // CXX11-NEXT: 4: [B1.3] |
| // CXX11-NEXT: 5: {[B1.4]} (CXXConstructExpr, [B1.6], class transparent_init_list_exprs::C) |
| // CXX11-NEXT: 6: transparent_init_list_exprs::C c{getC()}; |
| // CXX17-NEXT: 3: [B1.2]() (CXXRecordTypedCall, [B1.5]) |
| // CXX17-NEXT: 4: {[B1.3]} |
| // CXX17-NEXT: 5: transparent_init_list_exprs::C c{getC()}; |
| namespace transparent_init_list_exprs { |
| class C {}; |
| C getC(); |
| void testTransparentInitListExprs() { |
| C c{getC()}; |
| } |
| } // namespace transparent_init_list_exprs |
