| // RUN: %clang_cc1 -std=c++23 -triple x86_64-linux-gnu -fcxx-exceptions -ast-dump %s \ |
| // RUN: | FileCheck -strict-whitespace %s |
| |
| namespace P2718R0 { |
| |
| // Test basic |
| struct A { |
| int a[3] = {1, 2, 3}; |
| A() {} |
| ~A() {} |
| const int *begin() const { return a; } |
| const int *end() const { return a + 3; } |
| A& r() { return *this; } |
| A g() { return A(); } |
| }; |
| |
| A g() { return A(); } |
| const A &f1(const A &t) { return t; } |
| |
| void test1() { |
| [[maybe_unused]] int sum = 0; |
| // CHECK: FunctionDecl {{.*}} test1 'void ()' |
| // CHECK: | `-CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: | |-<<<NULL>>> |
| // CHECK-NEXT: | |-DeclStmt {{.*}} |
| // CHECK-NEXT: | | `-VarDecl {{.*}} implicit used __range1 'const A &' cinit |
| // CHECK-NEXT: | | `-ExprWithCleanups {{.*}} 'const A':'const P2718R0::A' lvalue |
| // CHECK-NEXT: | | `-CallExpr {{.*}} 'const A':'const P2718R0::A' lvalue |
| // CHECK-NEXT: | | |-ImplicitCastExpr {{.*}} 'const A &(*)(const A &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | | `-DeclRefExpr {{.*}} 'const A &(const A &)' lvalue Function {{.*}} 'f1' 'const A &(const A &)' |
| // CHECK-NEXT: | | `-MaterializeTemporaryExpr {{.*}} 'const A':'const P2718R0::A' lvalue extended by Var {{.*}} '__range1' 'const A &' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const A':'const P2718R0::A' <NoOp> |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'A (*)()' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | `-DeclRefExpr {{.*}} 'A ()' lvalue Function {{.*}} 'g' 'A ()' |
| for (auto e : f1(g())) |
| sum += e; |
| } |
| |
| struct B : A {}; |
| int (&f(const A *))[3]; |
| const A *g(const A &); |
| void bar(int) {} |
| |
| void test2() { |
| // CHECK: FunctionDecl {{.*}} test2 'void ()' |
| // CHECK: | `-CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: | |-<<<NULL>>> |
| // CHECK-NEXT: | |-DeclStmt {{.*}} |
| // CHECK-NEXT: | | `-VarDecl {{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | | `-CallExpr {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | | |-ImplicitCastExpr {{.*}} 'int (&(*)(const A *))[3]' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | | `-DeclRefExpr {{.*}} 'int (&(const A *))[3]' lvalue Function {{.*}} 'f' 'int (&(const A *))[3]' |
| // CHECK-NEXT: | | `-CallExpr {{.*}} 'const A *' |
| // CHECK-NEXT: | | |-ImplicitCastExpr {{.*}} 'const A *(*)(const A &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | | `-DeclRefExpr {{.*}} 'const A *(const A &)' lvalue Function {{.*}} 'g' 'const A *(const A &)' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const A':'const P2718R0::A' lvalue <DerivedToBase (A)> |
| // CHECK-NEXT: | | `-MaterializeTemporaryExpr {{.*}} 'const B':'const P2718R0::B' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const B':'const P2718R0::B' <NoOp> |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'B':'P2718R0::B' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'B':'P2718R0::B' 'void () noexcept(false)' zeroing |
| for (auto e : f(g(B()))) |
| bar(e); |
| } |
| |
| // Test discard statement. |
| struct LockGuard { |
| LockGuard() {} |
| ~LockGuard() {} |
| }; |
| |
| void test3() { |
| int v[] = {42, 17, 13}; |
| |
| // CHECK: FunctionDecl {{.*}} test3 'void ()' |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | `-BinaryOperator {{.*}} 'int[3]' lvalue ',' |
| // CHECK-NEXT: | |-CXXStaticCastExpr {{.*}} 'void' static_cast<void> <ToVoid> |
| // CHECK-NEXT: | | `-MaterializeTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' xvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' 'void ()' |
| // CHECK-NEXT: | `-DeclRefExpr {{.*}} 'int[3]' lvalue Var {{.*}} 'v' 'int[3]' |
| for ([[maybe_unused]] int x : static_cast<void>(LockGuard()), v) |
| LockGuard guard; |
| |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | `-BinaryOperator {{.*}} 'int[3]' lvalue ',' |
| // CHECK-NEXT: | |-CStyleCastExpr {{.*}} 'void' <ToVoid> |
| // CHECK-NEXT: | | `-MaterializeTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' xvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' 'void ()' |
| // CHECK-NEXT: | `-DeclRefExpr {{.*}} 'int[3]' lvalue Var {{.*}} 'v' 'int[3]' |
| for ([[maybe_unused]] int x : (void)LockGuard(), v) |
| LockGuard guard; |
| |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | `-BinaryOperator {{.*}} 'int[3]' lvalue ',' |
| // CHECK-NEXT: | |-MaterializeTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' xvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' 'void ()' |
| // CHECK-NEXT: | `-DeclRefExpr {{.*}} 'int[3]' lvalue Var {{.*}} 'v' 'int[3]' |
| for ([[maybe_unused]] int x : LockGuard(), v) |
| LockGuard guard; |
| } |
| |
| // Test default arg |
| int (&default_arg_fn(const A & = A()))[3]; |
| void test4() { |
| |
| // CHECK: FunctionDecl {{.*}} test4 'void ()' |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl{{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | `-CallExpr {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | |-ImplicitCastExpr {{.*}} 'int (&(*)(const A &))[3]' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | `-DeclRefExpr {{.*}} 'int (&(const A &))[3]' lvalue Function {{.*}} 'default_arg_fn' 'int (&(const A &))[3]' |
| // CHECK-NEXT: | `-CXXDefaultArgExpr {{.*}} <<invalid sloc>> 'const A':'const P2718R0::A' lvalue has rewritten init |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'const A':'const P2718R0::A' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'const A':'const P2718R0::A' <NoOp> |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXTemporaryObjectExpr {{.*}} 'A':'P2718R0::A' 'void ()' |
| for (auto e : default_arg_fn()) |
| bar(e); |
| } |
| |
| struct DefaultA { |
| DefaultA() {} |
| ~DefaultA() {} |
| }; |
| |
| A foo(const A&, const DefaultA &Default = DefaultA()) { |
| return A(); |
| } |
| |
| void test5() { |
| // CHECK: FunctionDecl {{.*}} test5 'void ()' |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | `-CallExpr {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | |-ImplicitCastExpr {{.*}} 'int (&(*)(const A &))[3]' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | `-DeclRefExpr {{.*}} 'int (&(const A &))[3]' lvalue Function {{.*}} 'default_arg_fn' 'int (&(const A &))[3]' |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'const A':'const P2718R0::A' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'const A':'const P2718R0::A' <NoOp> |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | `-CallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | |-ImplicitCastExpr {{.*}} 'A (*)(const A &, const DefaultA &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | `-DeclRefExpr {{.*}} 'A (const A &, const DefaultA &)' lvalue Function {{.*}} 'foo' 'A (const A &, const DefaultA &)' |
| // CHECK-NEXT: | |-MaterializeTemporaryExpr {{.*}} 'const A':'const P2718R0::A' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const A':'const P2718R0::A' <NoOp> |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | | `-CallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | | |-ImplicitCastExpr {{.*}} 'A (*)(const A &, const DefaultA &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | | `-DeclRefExpr {{.*}} 'A (const A &, const DefaultA &)' lvalue Function {{.*}} 'foo' 'A (const A &, const DefaultA &)' |
| // CHECK-NEXT: | | |-MaterializeTemporaryExpr {{.*}} 'const A':'const P2718R0::A' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | | `-ImplicitCastExpr {{.*}} 'const A':'const P2718R0::A' <NoOp> |
| // CHECK-NEXT: | | | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | | | `-CallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | | | |-ImplicitCastExpr {{.*}} 'A (*)(const A &, const DefaultA &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | | | `-DeclRefExpr {{.*}} 'A (const A &, const DefaultA &)' lvalue Function {{.*}} 'foo' 'A (const A &, const DefaultA &)' |
| // CHECK-NEXT: | | | |-MaterializeTemporaryExpr {{.*}} 'const A':'const P2718R0::A' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | | | `-ImplicitCastExpr {{.*}} 'const A':'const P2718R0::A' <NoOp> |
| // CHECK-NEXT: | | | | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | | | | `-CXXTemporaryObjectExpr {{.*}} 'A':'P2718R0::A' 'void ()' |
| // CHECK-NEXT: | | | `-CXXDefaultArgExpr {{.*}} <<invalid sloc>> 'const DefaultA':'const P2718R0::DefaultA' lvalue has rewritten init |
| // CHECK-NEXT: | | | `-MaterializeTemporaryExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | | `-ImplicitCastExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' <NoOp> |
| // CHECK-NEXT: | | | `-CXXBindTemporaryExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | | `-CXXTemporaryObjectExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' 'void ()' |
| // CHECK-NEXT: | | `-CXXDefaultArgExpr {{.*}} <<invalid sloc>> 'const DefaultA':'const P2718R0::DefaultA' lvalue has rewritten init |
| // CHECK-NEXT: | | `-MaterializeTemporaryExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' <NoOp> |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' 'void ()' |
| // CHECK-NEXT: | `-CXXDefaultArgExpr {{.*}} <<invalid sloc>> 'const DefaultA':'const P2718R0::DefaultA' lvalue has rewritten init |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' <NoOp> |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXTemporaryObjectExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' 'void ()' |
| for (auto e : default_arg_fn(foo(foo(foo(A()))))) |
| bar(e); |
| } |
| |
| struct C : public A { |
| C() {} |
| C(int, const C &, const DefaultA & = DefaultA()) {} |
| }; |
| |
| void test6() { |
| // CHECK: FunctionDecl {{.*}} test6 'void ()' |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} col:17 implicit used __range1 'C &&' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'C':'P2718R0::C' xvalue |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'C':'P2718R0::C' xvalue extended by Var {{.*}} '__range1' 'C &&' |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'C':'P2718R0::C' |
| // CHECK-NEXT: | `-CXXTemporaryObjectExpr {{.*}} 'C':'P2718R0::C' 'void (int, const C &, const DefaultA &)' |
| // CHECK-NEXT: | |-IntegerLiteral {{.*}}'int' 0 |
| // CHECK-NEXT: | |-MaterializeTemporaryExpr {{.*}} 'const C':'const P2718R0::C' lvalue extended by Var {{.*}} '__range1' 'C &&' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const C':'const P2718R0::C' <NoOp> |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'C':'P2718R0::C' |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'C':'P2718R0::C' 'void (int, const C &, const DefaultA &)' |
| // CHECK-NEXT: | | |-IntegerLiteral {{.*}} 'int' 0 |
| // CHECK-NEXT: | | |-MaterializeTemporaryExpr {{.*}} 'const C':'const P2718R0::C' lvalue extended by Var {{.*}} '__range1' 'C &&' |
| // CHECK-NEXT: | | | `-ImplicitCastExpr {{.*}} 'const C':'const P2718R0::C' <NoOp> |
| // CHECK-NEXT: | | | `-CXXBindTemporaryExpr {{.*}} 'C':'P2718R0::C' |
| // CHECK-NEXT: | | | `-CXXTemporaryObjectExpr {{.*}} 'C':'P2718R0::C' 'void (int, const C &, const DefaultA &)' |
| // CHECK-NEXT: | | | |-IntegerLiteral {{.*}} 'int' 0 |
| // CHECK-NEXT: | | | |-MaterializeTemporaryExpr {{.*}} 'const C':'const P2718R0::C' lvalue extended by Var {{.*}} '__range1' 'C &&' |
| // CHECK-NEXT: | | | | `-ImplicitCastExpr {{.*}} 'const C':'const P2718R0::C' <NoOp> |
| // CHECK-NEXT: | | | | `-CXXBindTemporaryExpr {{.*}} 'C':'P2718R0::C' |
| // CHECK-NEXT: | | | | `-CXXTemporaryObjectExpr {{.*}} 'C':'P2718R0::C' 'void ()' |
| // CHECK-NEXT: | | | `-CXXDefaultArgExpr {{.*}} <<invalid sloc>> 'const DefaultA':'const P2718R0::DefaultA' lvalue has rewritten init |
| // CHECK-NEXT: | | | `-MaterializeTemporaryExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' lvalue extended by Var {{.*}} '__range1' 'C &&' |
| // CHECK-NEXT: | | | `-ImplicitCastExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' <NoOp> |
| // CHECK-NEXT: | | | `-CXXBindTemporaryExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | | `-CXXTemporaryObjectExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' 'void ()' |
| // CHECK-NEXT: | | `-CXXDefaultArgExpr {{.*}} <<invalid sloc>> 'const DefaultA':'const P2718R0::DefaultA' lvalue has rewritten init |
| // CHECK-NEXT: | | `-MaterializeTemporaryExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' lvalue extended by Var {{.*}} '__range1' 'C &&' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' <NoOp> |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' 'void ()' |
| // CHECK-NEXT: | `-CXXDefaultArgExpr {{.*}} <<invalid sloc>> 'const DefaultA':'const P2718R0::DefaultA' lvalue has rewritten init |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' lvalue extended by Var {{.*}} '__range1' 'C &&' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'const DefaultA':'const P2718R0::DefaultA' <NoOp> |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXTemporaryObjectExpr {{.*}} 'DefaultA':'P2718R0::DefaultA' 'void ()' |
| for (auto e : C(0, C(0, C(0, C())))) |
| bar(e); |
| } |
| |
| // Test member call |
| void test7() { |
| // CHECK: FunctionDecl {{.*}} test7 'void ()' |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'A &&' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'A':'P2718R0::A' xvalue |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'A':'P2718R0::A' xvalue extended by Var {{.*}} '__range1' 'A &&' |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .g {{.*}} |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' lvalue |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .r {{.*}} |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'A':'P2718R0::A' xvalue extended by Var {{.*}} '__range1' 'A &&' |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .g {{.*}} |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' lvalue |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .r {{.*}} |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'A':'P2718R0::A' xvalue extended by Var {{.*}} '__range1' 'A &&' |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .g {{.*}} |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' lvalue |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .r {{.*}} |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'A':'P2718R0::A' xvalue extended by Var {{.*}} '__range1' 'A &&' |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'A (*)()' <FunctionToPointerDecay> |
| // CHECK-NEXT: | `-DeclRefExpr {{.*}} 'A ()' lvalue Function {{.*}} 'g' 'A ()' |
| for (auto e : g().r().g().r().g().r().g()) |
| bar(e); |
| } |
| |
| // Test basic && dependent context |
| template <typename T> T dg() { return T(); } |
| template <typename T> const T &df1(const T &t) { return t; } |
| |
| void test8() { |
| [[maybe_unused]] int sum = 0; |
| // CHECK: FunctionDecl {{.*}} test8 'void ()' |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'const P2718R0::A &' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'const P2718R0::A' lvalue |
| // CHECK-NEXT: | `-CallExpr {{.*}} 'const P2718R0::A' lvalue |
| // CHECK-NEXT: | |-ImplicitCastExpr {{.*}} 'const P2718R0::A &(*)(const P2718R0::A &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | `-DeclRefExpr {{.*}} 'const P2718R0::A &(const P2718R0::A &)' lvalue Function {{.*}} 'df1' 'const P2718R0::A &(const P2718R0::A &)' (FunctionTemplate {{.*}} 'df1') |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'const P2718R0::A' lvalue extended by Var {{.*}} '__range1' 'const P2718R0::A &' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'const P2718R0::A' <NoOp> |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CallExpr {{.*}} 'P2718R0::A' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'P2718R0::A (*)()' <FunctionToPointerDecay> |
| // CHECK-NEXT: | `-DeclRefExpr {{.*}} 'P2718R0::A ()' lvalue Function {{.*}} 'dg' 'P2718R0::A ()' (FunctionTemplate {{.*}} 'dg') |
| for (auto e : df1(dg<A>())) |
| sum += e; |
| } |
| |
| template <typename T> int (&df2(const T *))[3]; |
| const A *dg2(const A &); |
| |
| void test9() { |
| // CHECK: FunctionDecl {{.*}} test9 'void ()' |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | `-CallExpr {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | |-ImplicitCastExpr {{.*}} 'int (&(*)(const P2718R0::A *))[3]' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | `-DeclRefExpr {{.*}} 'int (&(const P2718R0::A *))[3]' lvalue Function {{.*}} 'df2' 'int (&(const P2718R0::A *))[3]' (FunctionTemplate {{.*}} 'df2') |
| // CHECK-NEXT: | `-CallExpr {{.*}} 'const A *' |
| // CHECK-NEXT: | |-ImplicitCastExpr {{.*}} 'const A *(*)(const A &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | `-DeclRefExpr {{.*}} 'const A *(const A &)' lvalue Function {{.*}} 'dg2' 'const A *(const A &)' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'const A':'const P2718R0::A' lvalue <DerivedToBase (A)> |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'const B':'const P2718R0::B' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'const B':'const P2718R0::B' <NoOp> |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'B':'P2718R0::B' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXTemporaryObjectExpr {{.*}} 'B':'P2718R0::B' 'void () noexcept(false)' zeroing |
| for (auto e : df2(dg2(B()))) |
| bar(e); |
| } |
| |
| // Test discard statement && dependent context |
| void test10() { |
| int v[] = {42, 17, 13}; |
| |
| // CHECK: FunctionDecl {{.*}} test10 'void ()' |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | `-BinaryOperator {{.*}} 'int[3]' lvalue ',' |
| // CHECK-NEXT: | |-CXXStaticCastExpr {{.*}} 'void' static_cast<void> <ToVoid> |
| // CHECK-NEXT: | | `-CallExpr {{.*}} 'const P2718R0::LockGuard' lvalue |
| // CHECK-NEXT: | | |-ImplicitCastExpr {{.*}} 'const P2718R0::LockGuard &(*)(const P2718R0::LockGuard &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | | `-DeclRefExpr {{.*}} 'const P2718R0::LockGuard &(const P2718R0::LockGuard &)' lvalue Function {{.*}} 'df1' 'const P2718R0::LockGuard &(const P2718R0::LockGuard &)' (FunctionTemplate {{.*}} 'df1') |
| // CHECK-NEXT: | | `-MaterializeTemporaryExpr {{.*}} 'const LockGuard':'const P2718R0::LockGuard' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const LockGuard':'const P2718R0::LockGuard' <NoOp> |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' 'void ()' |
| // CHECK-NEXT: | `-DeclRefExpr {{.*}} 'int[3]' lvalue Var {{.*}} 'v' 'int[3]' |
| for ([[maybe_unused]] int x : static_cast<void>(df1(LockGuard())), v) |
| LockGuard guard; |
| |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | `-BinaryOperator {{.*}} 'int[3]' lvalue ',' |
| // CHECK-NEXT: | |-CStyleCastExpr {{.*}} 'void' <ToVoid> |
| // CHECK-NEXT: | | `-CallExpr {{.*}} 'const P2718R0::LockGuard' lvalue |
| // CHECK-NEXT: | | |-ImplicitCastExpr {{.*}} 'const P2718R0::LockGuard &(*)(const P2718R0::LockGuard &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | | `-DeclRefExpr {{.*}} 'const P2718R0::LockGuard &(const P2718R0::LockGuard &)' lvalue Function {{.*}} 'df1' 'const P2718R0::LockGuard &(const P2718R0::LockGuard &)' (FunctionTemplate {{.*}} 'df1') |
| // CHECK-NEXT: | | `-MaterializeTemporaryExpr {{.*}} 'const LockGuard':'const P2718R0::LockGuard' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const LockGuard':'const P2718R0::LockGuard' <NoOp> |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' 'void ()' |
| // CHECK-NEXT: | `-DeclRefExpr {{.*}} 'int[3]' lvalue Var {{.*}} 'v' 'int[3]' |
| for ([[maybe_unused]] int x : (void)df1(LockGuard()), v) |
| LockGuard guard; |
| |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'int (&)[3]' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'int[3]' lvalue |
| // CHECK-NEXT: | `-BinaryOperator {{.*}} 'int[3]' lvalue ',' |
| // CHECK-NEXT: | |-BinaryOperator {{.*}} 'const P2718R0::LockGuard' lvalue ',' |
| // CHECK-NEXT: | | |-CallExpr {{.*}} 'const P2718R0::LockGuard' lvalue |
| // CHECK-NEXT: | | | |-ImplicitCastExpr {{.*}} 'const P2718R0::LockGuard &(*)(const P2718R0::LockGuard &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | | | `-DeclRefExpr {{.*}} 'const P2718R0::LockGuard &(const P2718R0::LockGuard &)' lvalue Function {{.*}} 'df1' 'const P2718R0::LockGuard &(const P2718R0::LockGuard &)' (FunctionTemplate {{.*}} 'df1') |
| // CHECK-NEXT: | | | `-MaterializeTemporaryExpr {{.*}} 'const LockGuard':'const P2718R0::LockGuard' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | | `-ImplicitCastExpr {{.*}} 'const LockGuard':'const P2718R0::LockGuard' <NoOp> |
| // CHECK-NEXT: | | | `-CXXBindTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | | `-CXXTemporaryObjectExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' 'void ()' |
| // CHECK-NEXT: | | `-CallExpr {{.*}} 'const P2718R0::LockGuard' lvalue |
| // CHECK-NEXT: | | |-ImplicitCastExpr {{.*}} 'const P2718R0::LockGuard &(*)(const P2718R0::LockGuard &)' <FunctionToPointerDecay> |
| // CHECK-NEXT: | | | `-DeclRefExpr {{.*}} 'const P2718R0::LockGuard &(const P2718R0::LockGuard &)' lvalue Function {{.*}} 'df1' 'const P2718R0::LockGuard &(const P2718R0::LockGuard &)' (FunctionTemplate {{.*}} 'df1') |
| // CHECK-NEXT: | | `-MaterializeTemporaryExpr {{.*}} 'const LockGuard':'const P2718R0::LockGuard' lvalue extended by Var {{.*}} '__range1' 'int (&)[3]' |
| // CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'const LockGuard':'const P2718R0::LockGuard' <NoOp> |
| // CHECK-NEXT: | | `-CXXBindTemporaryExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | | `-CXXTemporaryObjectExpr {{.*}} 'LockGuard':'P2718R0::LockGuard' 'void ()' |
| // CHECK-NEXT: | `-DeclRefExpr {{.*}} 'int[3]' lvalue Var {{.*}} 'v' 'int[3]' |
| for ([[maybe_unused]] int x : df1(LockGuard()), df1(LockGuard()), v) |
| LockGuard guard; |
| } |
| |
| // Test default argument && dependent context |
| template <typename T> int (&default_arg_fn2(const T & = T()))[3]; |
| void test11() { |
| for (auto e : default_arg_fn2<A>()) |
| bar(e); |
| } |
| |
| template <typename T> A foo2(const T&, const DefaultA &Default = DefaultA()); |
| |
| void test12() { |
| for (auto e : default_arg_fn2(foo2(foo2(foo2(A()))))) |
| bar(e); |
| } |
| |
| // Test member call && dependent context |
| void test13() { |
| |
| // CHECK: FunctionDecl {{.*}} test13 'void ()' |
| // CHECK: -CXXForRangeStmt {{.*}} |
| // CHECK-NEXT: |-<<<NULL>>> |
| // CHECK-NEXT: |-DeclStmt {{.*}} |
| // CHECK-NEXT: | `-VarDecl {{.*}} implicit used __range1 'A &&' cinit |
| // CHECK-NEXT: | `-ExprWithCleanups {{.*}} 'A':'P2718R0::A' xvalue |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'A':'P2718R0::A' xvalue extended by Var {{.*}} '__range1' 'A &&' |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .g {{.*}} |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' lvalue |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .r {{.*}} |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'A':'P2718R0::A' xvalue extended by Var {{.*}} '__range1' 'A &&' |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .g {{.*}} |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' lvalue |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .r {{.*}} |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'A':'P2718R0::A' xvalue extended by Var {{.*}} '__range1' 'A &&' |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'A':'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .g {{.*}} |
| // CHECK-NEXT: | `-CXXMemberCallExpr {{.*}} 'A':'P2718R0::A' lvalue |
| // CHECK-NEXT: | `-MemberExpr {{.*}} '<bound member function type>' .r {{.*}} |
| // CHECK-NEXT: | `-MaterializeTemporaryExpr {{.*}} 'P2718R0::A' xvalue extended by Var {{.*}} '__range1' 'A &&' |
| // CHECK-NEXT: | `-CXXBindTemporaryExpr {{.*}} 'P2718R0::A' (CXXTemporary {{.*}}) |
| // CHECK-NEXT: | `-CallExpr {{.*}} 'P2718R0::A' |
| // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'P2718R0::A (*)()' <FunctionToPointerDecay> |
| // CHECK-NEXT: | `-DeclRefExpr {{.*}} 'P2718R0::A ()' lvalue Function {{.*}} 'dg' 'P2718R0::A ()' (FunctionTemplate {{.*}} 'dg') |
| for (auto e : dg<A>().r().g().r().g().r().g()) |
| bar(e); |
| } |
| } // namespace P2718R0 |
