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// RUN: not %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -fcxx-exceptions -std=gnu++17 -frecovery-ast -frecovery-ast-type -ast-dump %s | FileCheck -strict-whitespace %s
// RUN: not %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -fcxx-exceptions -std=gnu++17 -fno-recovery-ast -ast-dump %s | FileCheck --check-prefix=DISABLED -strict-whitespace %s
int some_func(int *);
// CHECK: VarDecl {{.*}} invalid_call
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int' contains-errors
// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'some_func'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 123
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int invalid_call = some_func(123);
int some_func2(int a, int b);
void test_invalid_call_2() {
// CHECK: -RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} '<overloaded function type>' lvalue (ADL) = 'some_func2'
some_func2(,);
// CHECK: -RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: `-UnresolvedLookupExpr {{.*}} '<overloaded function type>' lvalue (ADL) = 'some_func2'
some_func2(,,);
// CHECK: -RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} '<overloaded function type>' lvalue (ADL) = 'some_func2'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
some_func2(1,);
// CHECK: -RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} '<overloaded function type>' lvalue (ADL) = 'some_func2'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
some_func2(,1);
}
int ambig_func(double);
int ambig_func(float);
// CHECK: VarDecl {{.*}} ambig_call
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int' contains-errors
// CHECK-NEXT: |-UnresolvedLookupExpr {{.*}} 'ambig_func'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 123
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int ambig_call = ambig_func(123);
constexpr int a = 10;
// CHECK: VarDecl {{.*}} postfix_inc
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int postfix_inc = a++;
// CHECK: VarDecl {{.*}} prefix_inc
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int prefix_inc = ++a;
// CHECK: VarDecl {{.*}} unary_address
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-ParenExpr {{.*}}
// CHECK-NEXT: `-BinaryOperator {{.*}} '+'
// CHECK-NEXT: |-ImplicitCastExpr
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int unary_address = &(a + 1);
// CHECK: VarDecl {{.*}} unary_bitinverse
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-ParenExpr {{.*}}
// CHECK-NEXT: `-BinaryOperator {{.*}} '+'
// CHECK-NEXT: |-ImplicitCastExpr
// CHECK-NEXT: | `-ImplicitCastExpr
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int unary_bitinverse = ~(a + 0.0);
// CHECK: VarDecl {{.*}} binary
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: |-DeclRefExpr {{.*}} 'a'
// CHECK-NEXT: `-CXXNullPtrLiteralExpr
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int binary = a + nullptr;
// CHECK: VarDecl {{.*}} ternary
// CHECK-NEXT:`-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: |-DeclRefExpr {{.*}} 'a'
// CHECK-NEXT: |-CXXNullPtrLiteralExpr
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'a'
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
int ternary = a ? nullptr : a;
// CHECK: FunctionDecl
// CHECK-NEXT:|-ParmVarDecl {{.*}} x
// CHECK-NEXT:`-CompoundStmt
// CHECK-NEXT: |-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'foo'
// CHECK-NEXT: `-CallExpr {{.*}} contains-errors
// CHECK-NEXT: |-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'foo'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x'
struct Foo {} foo;
void test(int x) {
foo.abc;
foo->func(x);
}
void AccessIncompleteClass() {
struct Forward;
Forward* ptr;
// CHECK: CallExpr {{.*}} '<dependent type>'
// CHECK-NEXT: `-CXXDependentScopeMemberExpr {{.*}} '<dependent type>'
// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>' contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'Forward *'
ptr->method();
}
struct Foo2 {
double func();
class ForwardClass;
ForwardClass createFwd();
int overload();
int overload(int, int);
};
void test2(Foo2 f) {
// CHECK: RecoveryExpr {{.*}} 'double'
// CHECK-NEXT: |-MemberExpr {{.*}} '<bound member function type>'
// CHECK-NEXT: | `-DeclRefExpr {{.*}} 'f'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
f.func(1);
// CHECK: RecoveryExpr {{.*}} 'ForwardClass':'Foo2::ForwardClass'
// CHECK-NEXT: `-MemberExpr {{.*}} '<bound member function type>' .createFwd
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'f'
f.createFwd();
// CHECK: RecoveryExpr {{.*}} 'int' contains-errors
// CHECK-NEXT: |-UnresolvedMemberExpr
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'Foo2'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
f.overload(1);
}
auto f();
int f(double);
// CHECK: VarDecl {{.*}} unknown_type_call 'int'
// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>'
int unknown_type_call = f(0, 0);
void InvalidInitalizer(int x) {
struct Bar { Bar(); };
// CHECK: `-VarDecl {{.*}} a1 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
Bar a1(1);
// CHECK: `-VarDecl {{.*}} a2 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x'
Bar a2(x);
// CHECK: `-VarDecl {{.*}} a3 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-InitListExpr
// CHECK-NEDT: `-DeclRefExpr {{.*}} 'x'
Bar a3{x};
// CHECK: `-VarDecl {{.*}} b1 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
Bar b1 = 1;
// CHECK: `-VarDecl {{.*}} b2 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} contains-errors
// CHECK-NEXT: `-InitListExpr
Bar b2 = {1};
// CHECK: `-VarDecl {{.*}} b3 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'Bar' contains-errors
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int'
Bar b3 = Bar(x);
// CHECK: `-VarDecl {{.*}} b4 'Bar'
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'Bar' contains-errors
// CHECK-NEXT: `-InitListExpr {{.*}} 'void'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int'
Bar b4 = Bar{x};
// CHECK: RecoveryExpr {{.*}} 'Bar' contains-errors
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 1
Bar(1);
}
// CHECK: VarDecl {{.*}} NoCrashOnInvalidInitList
// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>' contains-errors lvalue
// CHECK-NEXT: `-InitListExpr
// CHECK-NEXT: `-DesignatedInitExpr {{.*}} 'void'
// CHECK-NEXT: `-CXXNullPtrLiteralExpr {{.*}} 'std::nullptr_t'
struct {
int& abc;
} NoCrashOnInvalidInitList = {
.abc = nullptr,
};
// Verify the value category of recovery expression.
int prvalue(int);
int &lvalue(int);
int &&xvalue(int);
void ValueCategory() {
// CHECK: RecoveryExpr {{.*}} 'int' contains-errors
prvalue(); // call to a function (nonreference return type) yields a prvalue (not print by default)
// CHECK: RecoveryExpr {{.*}} 'int' contains-errors lvalue
lvalue(); // call to a function (lvalue reference return type) yields an lvalue.
// CHECK: RecoveryExpr {{.*}} 'int' contains-errors xvalue
xvalue(); // call to a function (rvalue reference return type) yields an xvalue.
}
void CtorInitializer() {
struct S{int m};
class BaseInit : S {
BaseInit(float) : S("no match") {}
// CHECK: CXXConstructorDecl {{.*}} BaseInit 'void (float)'
// CHECK-NEXT: |-ParmVarDecl
// CHECK-NEXT: |-CXXCtorInitializer 'S'
// CHECK-NEXT: | `-RecoveryExpr {{.*}} 'S'
// CHECK-NEXT: | `-StringLiteral
};
class DelegatingInit {
DelegatingInit(float) : DelegatingInit("no match") {}
// CHECK: CXXConstructorDecl {{.*}} DelegatingInit 'void (float)'
// CHECK-NEXT: |-ParmVarDecl
// CHECK-NEXT: |-CXXCtorInitializer 'DelegatingInit'
// CHECK-NEXT: | `-RecoveryExpr {{.*}} 'DelegatingInit'
// CHECK-NEXT: | `-StringLiteral
};
}
float *brokenReturn() {
// CHECK: FunctionDecl {{.*}} brokenReturn
return 42;
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'float *'
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 42
}
// Return deduction treats the first, second *and* third differently!
auto *brokenDeducedReturn(int *x, float *y, double *z) {
// CHECK: FunctionDecl {{.*}} invalid brokenDeducedReturn
if (x) return x;
// CHECK: ReturnStmt
// CHECK-NEXT: `-ImplicitCastExpr {{.*}} <LValueToRValue>
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int *'
if (y) return y;
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int *'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'y' 'float *'
if (z) return z;
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int *'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'z' 'double *'
return x;
// Unfortunate: we wrap a valid return in RecoveryExpr.
// This is to avoid running deduction again after it failed once.
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int *'
// CHECK-NEXT: `-DeclRefExpr {{.*}} 'x' 'int *'
}
void returnInitListFromVoid() {
// CHECK: FunctionDecl {{.*}} returnInitListFromVoid
return {7,8};
// CHECK: ReturnStmt
// CHECK-NEXT: `-RecoveryExpr {{.*}} '<dependent type>'
// CHECK-NEXT: |-IntegerLiteral {{.*}} 'int' 7
// CHECK-NEXT: `-IntegerLiteral {{.*}} 'int' 8
}
// Fix crash issue https://github.com/llvm/llvm-project/issues/112560.
// Make sure clang compiles the following code without crashing:
// CHECK:NamespaceDecl {{.*}} GH112560
// CHECK-NEXT: |-CXXRecordDecl {{.*}} referenced union U definition
// CHECK-NEXT: | |-DefinitionData {{.*}}
// CHECK-NEXT: | | |-DefaultConstructor {{.*}}
// CHECK-NEXT: | | |-CopyConstructor {{.*}}
// CHECK-NEXT: | | |-MoveConstructor {{.*}}
// CHECK-NEXT: | | |-CopyAssignment {{.*}}
// CHECK-NEXT: | | |-MoveAssignment {{.*}}
// CHECK-NEXT: | | `-Destructor {{.*}}
// CHECK-NEXT: | |-CXXRecordDecl {{.*}} implicit union U
// CHECK-NEXT: | `-FieldDecl {{.*}} invalid f 'int'
// CHECK-NEXT: | `-RecoveryExpr {{.*}} 'int' contains-errors
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
namespace GH112560 {
union U {
int f = ;
};
// CHECK: FunctionDecl {{.*}} foo 'void ()'
// CHECK-NEXT: `-CompoundStmt {{.*}}
// CHECK-NEXT: `-DeclStmt {{.*}}
// CHECK-NEXT: `-VarDecl {{.*}} g 'U':'GH112560::U' listinit
// CHECK-NEXT: `-InitListExpr {{.*}} 'U':'GH112560::U' contains-errors field Field {{.*}} 'f' 'int'
// CHECK-NEXT: `-CXXDefaultInitExpr {{.*}} 'int' contains-errors has rewritten init
// CHECK-NEXT: `-RecoveryExpr {{.*}} 'int' contains-errors
// DISABLED-NOT: -RecoveryExpr {{.*}} contains-errors
void foo() {
U g{};
}
} // namespace GH112560
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