// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -analyze -analyzer-checker=debug.DumpCFG -analyzer-config cfg-scopes=true %s > %t 2>&1
// RUN: FileCheck --input-file=%t %s
class A {
public:
// CHECK: [B1 (ENTRY)]
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
A() {}
// CHECK: [B1 (ENTRY)]
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
~A() {}
// CHECK: [B2 (ENTRY)]
// CHECK-NEXT: Succs (1): B1
// CHECK: [B1]
// CHECK-NEXT: 1: 1
// CHECK-NEXT: 2: return [B1.1];
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
operator int() const { return 1; }
int *p;
};
int getX();
extern const bool UV;
// CHECK: [B2 (ENTRY)]
// CHECK-NEXT: Succs (1): B1
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], A[2])
// CHECK-NEXT: 3: A a[2];
// CHECK-NEXT: 4: (CXXConstructExpr, [B1.5], A[0])
// CHECK-NEXT: 5: A b[0];
// CHECK-NEXT: 6: [B1.3].~A[2]() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_array() {
A a[2];
A b[0];
}
// CHECK: [B2 (ENTRY)]
// CHECK-NEXT: Succs (1): B1
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: CFGScopeBegin(c)
// CHECK-NEXT: 5: (CXXConstructExpr, [B1.6], A)
// CHECK-NEXT: 6: A c;
// CHECK-NEXT: 7: (CXXConstructExpr, [B1.8], A)
// CHECK-NEXT: 8: A d;
// CHECK-NEXT: 9: [B1.8].~A() (Implicit destructor)
// CHECK-NEXT: 10: [B1.6].~A() (Implicit destructor)
// CHECK-NEXT: 11: CFGScopeEnd(c)
// CHECK-NEXT: 12: (CXXConstructExpr, [B1.13], A)
// CHECK-NEXT: 13: A b;
// CHECK-NEXT: 14: [B1.13].~A() (Implicit destructor)
// CHECK-NEXT: 15: [B1.3].~A() (Implicit destructor)
// CHECK-NEXT: 16: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_scope() {
A a;
{ A c;
A d;
}
A b;
}
// CHECK: [B4 (ENTRY)]
// CHECK-NEXT: Succs (1): B3
// CHECK: [B1]
// CHECK-NEXT: 1: (CXXConstructExpr, [B1.2], A)
// CHECK-NEXT: 2: A c;
// CHECK-NEXT: 3: [B1.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B3.5].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: return;
// CHECK-NEXT: 2: [B3.5].~A() (Implicit destructor)
// CHECK-NEXT: 3: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: (CXXConstructExpr, [B3.5], A)
// CHECK-NEXT: 5: A b;
// CHECK-NEXT: 6: UV
// CHECK-NEXT: 7: [B3.6] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B3.7]
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (2): B2 B1
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (2): B1 B2
void test_return() {
A a;
A b;
if (UV) return;
A c;
}
// CHECK: [B5 (ENTRY)]
// CHECK-NEXT: Succs (1): B4
// CHECK: [B1]
// CHECK-NEXT: 1: [B4.8].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(b)
// CHECK-NEXT: 3: [B4.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(a)
// CHECK-NEXT: Preds (2): B2 B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: (CXXConstructExpr, [B2.3], A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: [B2.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(c)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B1
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(c)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B1
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B4.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: CFGScopeBegin(b)
// CHECK-NEXT: 5: a
// CHECK-NEXT: 6: [B4.5] (ImplicitCastExpr, NoOp, const A)
// CHECK-NEXT: 7: [B4.6] (CXXConstructExpr, [B4.8], A)
// CHECK-NEXT: 8: A b = a;
// CHECK-NEXT: 9: b
// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 11: [B4.10].operator int
// CHECK-NEXT: 12: [B4.10]
// CHECK-NEXT: 13: [B4.12] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 14: [B4.13] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: if [B4.14]
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (2): B3 B2
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_if_implicit_scope() {
A a;
if (A b = a)
A c;
else A c;
}
// CHECK: [B9 (ENTRY)]
// CHECK-NEXT: Succs (1): B8
// CHECK: [B1]
// CHECK-NEXT: 1: [B8.8].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(b)
// CHECK-NEXT: 3: (CXXConstructExpr, [B1.4], A)
// CHECK-NEXT: 4: A e;
// CHECK-NEXT: 5: [B1.4].~A() (Implicit destructor)
// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(a)
// CHECK-NEXT: Preds (2): B2 B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: (CXXConstructExpr, [B2.2], A)
// CHECK-NEXT: 2: A d;
// CHECK-NEXT: 3: [B2.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B4.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(c)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B1
// CHECK: [B3]
// CHECK-NEXT: 1: return;
// CHECK-NEXT: 2: [B4.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(c)
// CHECK-NEXT: 4: [B8.8].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(b)
// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B0
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: (CXXConstructExpr, [B4.3], A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B4.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B4.5]
// CHECK-NEXT: Preds (1): B8
// CHECK-NEXT: Succs (2): B3 B2
// CHECK: [B5]
// CHECK-NEXT: 1: (CXXConstructExpr, [B5.2], A)
// CHECK-NEXT: 2: A d;
// CHECK-NEXT: 3: [B5.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B7.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(c)
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B1
// CHECK: [B6]
// CHECK-NEXT: 1: return;
// CHECK-NEXT: 2: [B7.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(c)
// CHECK-NEXT: 4: [B8.8].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(b)
// CHECK-NEXT: 6: [B8.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B0
// CHECK: [B7]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: (CXXConstructExpr, [B7.3], A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B7.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B7.5]
// CHECK-NEXT: Preds (1): B8
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B8]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B8.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: CFGScopeBegin(b)
// CHECK-NEXT: 5: a
// CHECK-NEXT: 6: [B8.5] (ImplicitCastExpr, NoOp, const A)
// CHECK-NEXT: 7: [B8.6] (CXXConstructExpr, [B8.8], A)
// CHECK-NEXT: 8: A b = a;
// CHECK-NEXT: 9: b
// CHECK-NEXT: 10: [B8.9] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 11: [B8.10].operator int
// CHECK-NEXT: 12: [B8.10]
// CHECK-NEXT: 13: [B8.12] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 14: [B8.13] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: if [B8.14]
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (2): B7 B4
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (3): B1 B3 B6
void test_if_jumps() {
A a;
if (A b = a) {
A c;
if (UV) return;
A d;
} else {
A c;
if (UV) return;
A d;
}
A e;
}
// CHECK: [B6 (ENTRY)]
// CHECK-NEXT: Succs (1): B5
// CHECK: [B1]
// CHECK-NEXT: 1: [B4.5].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(b)
// CHECK-NEXT: 3: [B5.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B4
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(c)
// CHECK-NEXT: 6: [B4.5].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(b)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(b)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B4.2] (ImplicitCastExpr, NoOp, const A)
// CHECK-NEXT: 4: [B4.3] (CXXConstructExpr, [B4.5], A)
// CHECK-NEXT: 5: A b = a;
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B4.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B4.7].operator int
// CHECK-NEXT: 9: [B4.7]
// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B4.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: while [B4.11]
// CHECK-NEXT: Preds (2): B2 B5
// CHECK-NEXT: Succs (2): B3 B1
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B5.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (1): B4
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_while_implicit_scope() {
A a;
while (A b = a)
A c;
}
// CHECK: [B12 (ENTRY)]
// CHECK-NEXT: Succs (1): B11
// CHECK: [B1]
// CHECK-NEXT: 1: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(b)
// CHECK-NEXT: 3: (CXXConstructExpr, [B1.4], A)
// CHECK-NEXT: 4: A e;
// CHECK-NEXT: 5: [B1.4].~A() (Implicit destructor)
// CHECK-NEXT: 6: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(a)
// CHECK-NEXT: Preds (2): B8 B10
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: Preds (2): B3 B6
// CHECK-NEXT: Succs (1): B10
// CHECK: [B3]
// CHECK-NEXT: 1: (CXXConstructExpr, [B3.2], A)
// CHECK-NEXT: 2: A d;
// CHECK-NEXT: 3: [B3.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(c)
// CHECK-NEXT: 6: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(b)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: return;
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(c)
// CHECK-NEXT: 4: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(b)
// CHECK-NEXT: 6: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B5]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B5.2]
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B6]
// CHECK-NEXT: 1: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(c)
// CHECK-NEXT: 3: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(b)
// CHECK-NEXT: T: continue;
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B2
// CHECK: [B7]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B7.2]
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B8]
// CHECK-NEXT: 1: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(c)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B1
// CHECK: [B9]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: (CXXConstructExpr, [B9.3], A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B9.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B9.5]
// CHECK-NEXT: Preds (1): B10
// CHECK-NEXT: Succs (2): B8 B7
// CHECK: [B10]
// CHECK-NEXT: 1: CFGScopeBegin(b)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B10.2] (ImplicitCastExpr, NoOp, const A)
// CHECK-NEXT: 4: [B10.3] (CXXConstructExpr, [B10.5], A)
// CHECK-NEXT: 5: A b = a;
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B10.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B10.7].operator int
// CHECK-NEXT: 9: [B10.7]
// CHECK-NEXT: 10: [B10.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B10.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: while [B10.11]
// CHECK-NEXT: Preds (2): B2 B11
// CHECK-NEXT: Succs (2): B9 B1
// CHECK: [B11]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B11.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (1): B10
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (2): B1 B4
void test_while_jumps() {
A a;
while (A b = a) {
A c;
if (UV) break;
if (UV) continue;
if (UV) return;
A d;
}
A e;
}
// CHECK: [B12 (ENTRY)]
// CHECK-NEXT: Succs (1): B11
// CHECK: [B1]
// CHECK-NEXT: 1: (CXXConstructExpr, [B1.2], A)
// CHECK-NEXT: 2: A d;
// CHECK-NEXT: 3: [B1.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(a)
// CHECK-NEXT: Preds (2): B8 B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: do ... while [B2.2]
// CHECK-NEXT: Preds (2): B3 B6
// CHECK-NEXT: Succs (2): B10 B1
// CHECK: [B3]
// CHECK-NEXT: 1: (CXXConstructExpr, [B3.2], A)
// CHECK-NEXT: 2: A c;
// CHECK-NEXT: 3: [B3.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(b)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: return;
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(b)
// CHECK-NEXT: 4: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B5]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B5.2]
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B6]
// CHECK-NEXT: 1: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(b)
// CHECK-NEXT: T: continue;
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B2
// CHECK: [B7]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B7.2]
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B8]
// CHECK-NEXT: 1: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(b)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B1
// CHECK: [B9]
// CHECK-NEXT: 1: CFGScopeBegin(b)
// CHECK-NEXT: 2: (CXXConstructExpr, [B9.3], A)
// CHECK-NEXT: 3: A b;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B9.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B9.5]
// CHECK-NEXT: Preds (2): B10 B11
// CHECK-NEXT: Succs (2): B8 B7
// CHECK: [B10]
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B9
// CHECK: [B11]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B11.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (1): B9
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (2): B1 B4
void test_do_jumps() {
A a;
do {
A b;
if (UV) break;
if (UV) continue;
if (UV) return;
A c;
} while (UV);
A d;
}
// CHECK: [B6 (ENTRY)]
// CHECK-NEXT: Succs (1): B5
// CHECK: [B1]
// CHECK-NEXT: 1: [B4.5].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(b)
// CHECK-NEXT: 3: [B5.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: b
// CHECK-NEXT: 2: [B2.1].p
// CHECK-NEXT: 3: [B4.5].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(b)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B4
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], A)
// CHECK-NEXT: 3: A c;
// CHECK-NEXT: 4: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(c)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(b)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B4.2] (ImplicitCastExpr, NoOp, const A)
// CHECK-NEXT: 4: [B4.3] (CXXConstructExpr, [B4.5], A)
// CHECK-NEXT: 5: A b = a;
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B4.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B4.7].operator int
// CHECK-NEXT: 9: [B4.7]
// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B4.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: for (...; [B4.11]; ...)
// CHECK-NEXT: Preds (2): B2 B5
// CHECK-NEXT: Succs (2): B3 B1
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B5.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (1): B4
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_for_implicit_scope() {
for (A a; A b = a; b.p)
A c;
}
// CHECK: [B12 (ENTRY)]
// CHECK-NEXT: Succs (1): B11
// CHECK: [B1]
// CHECK-NEXT: 1: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(c)
// CHECK-NEXT: 3: [B11.6].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(b)
// CHECK-NEXT: 5: (CXXConstructExpr, [B1.6], A)
// CHECK-NEXT: 6: A f;
// CHECK-NEXT: 7: [B1.6].~A() (Implicit destructor)
// CHECK-NEXT: 8: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 9: CFGScopeEnd(a)
// CHECK-NEXT: Preds (2): B8 B10
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(c)
// CHECK-NEXT: Preds (2): B3 B6
// CHECK-NEXT: Succs (1): B10
// CHECK: [B3]
// CHECK-NEXT: 1: (CXXConstructExpr, [B3.2], A)
// CHECK-NEXT: 2: A e;
// CHECK-NEXT: 3: [B3.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(d)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: return;
// CHECK-NEXT: 2: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(d)
// CHECK-NEXT: 4: [B10.5].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(c)
// CHECK-NEXT: 6: [B11.6].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(b)
// CHECK-NEXT: 8: [B11.3].~A() (Implicit destructor)
// CHECK-NEXT: 9: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B5]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B5.2]
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B6]
// CHECK-NEXT: 1: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(d)
// CHECK-NEXT: T: continue;
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B2
// CHECK: [B7]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B7.2]
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B8]
// CHECK-NEXT: 1: [B9.3].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(d)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B1
// CHECK: [B9]
// CHECK-NEXT: 1: CFGScopeBegin(d)
// CHECK-NEXT: 2: (CXXConstructExpr, [B9.3], A)
// CHECK-NEXT: 3: A d;
// CHECK-NEXT: 4: UV
// CHECK-NEXT: 5: [B9.4] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B9.5]
// CHECK-NEXT: Preds (1): B10
// CHECK-NEXT: Succs (2): B8 B7
// CHECK: [B10]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: b
// CHECK-NEXT: 3: [B10.2] (ImplicitCastExpr, NoOp, const A)
// CHECK-NEXT: 4: [B10.3] (CXXConstructExpr, [B10.5], A)
// CHECK-NEXT: 5: A c = b;
// CHECK-NEXT: 6: c
// CHECK-NEXT: 7: [B10.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B10.7].operator int
// CHECK-NEXT: 9: [B10.7]
// CHECK-NEXT: 10: [B10.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B10.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: for (...; [B10.11]; )
// CHECK-NEXT: Preds (2): B2 B11
// CHECK-NEXT: Succs (2): B9 B1
// CHECK: [B11]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B11.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: CFGScopeBegin(b)
// CHECK-NEXT: 5: (CXXConstructExpr, [B11.6], A)
// CHECK-NEXT: 6: A b;
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (1): B10
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (2): B1 B4
void test_for_jumps() {
A a;
for (A b; A c = b; ) {
A d;
if (UV) break;
if (UV) continue;
if (UV) return;
A e;
}
A f;
}
// CHECK: [B9 (ENTRY)]
// CHECK-NEXT: Succs (1): B8
// CHECK: [B1]
// CHECK-NEXT: 1: [B7.5].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(b)
// CHECK-NEXT: 3: [B8.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: [B5.4] ? [B3.3] : [B4.2]
// CHECK-NEXT: 2: [B7.5].~A() (Implicit destructor)
// CHECK-NEXT: 3: CFGScopeEnd(b)
// CHECK-NEXT: Preds (2): B3 B4
// CHECK-NEXT: Succs (1): B7
// CHECK: [B3]
// CHECK-NEXT: 1: b
// CHECK-NEXT: 2: [B3.1].p
// CHECK-NEXT: 3: [B3.2]++
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: 0
// CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, NullToPointer, int *)
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B5]
// CHECK-NEXT: 1: b
// CHECK-NEXT: 2: [B5.1].p
// CHECK-NEXT: 3: [B5.2] (ImplicitCastExpr, LValueToRValue, int *)
// CHECK-NEXT: 4: [B5.3] (ImplicitCastExpr, PointerToBoolean, _Bool)
// CHECK-NEXT: T: [B5.4] ? ... : ...
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (2): B3 B4
// CHECK: [B6]
// CHECK-NEXT: 1: 0
// CHECK-NEXT: 2: (void)[B6.1] (CStyleCastExpr, ToVoid, void)
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B5
// CHECK: [B7]
// CHECK-NEXT: 1: CFGScopeBegin(b)
// CHECK-NEXT: 2: a
// CHECK-NEXT: 3: [B7.2] (ImplicitCastExpr, NoOp, const A)
// CHECK-NEXT: 4: [B7.3] (CXXConstructExpr, [B7.5], A)
// CHECK-NEXT: 5: A b = a;
// CHECK-NEXT: 6: b
// CHECK-NEXT: 7: [B7.6] (ImplicitCastExpr, NoOp, const class A)
// CHECK-NEXT: 8: [B7.7].operator int
// CHECK-NEXT: 9: [B7.7]
// CHECK-NEXT: 10: [B7.9] (ImplicitCastExpr, UserDefinedConversion, int)
// CHECK-NEXT: 11: [B7.10] (ImplicitCastExpr, IntegralToBoolean, _Bool)
// CHECK-NEXT: T: for (...; [B7.11]; ...)
// CHECK-NEXT: Preds (2): B2 B8
// CHECK-NEXT: Succs (2): B6 B1
// CHECK: [B8]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B8.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B7
void test_for_inc_conditional() {
for (A a; A b = a; b.p ? b.p++ : 0)
(void)0;
}
// CHECK: [B9 (ENTRY)]
// CHECK-NEXT: Succs (1): B7
// CHECK: [B1]
// CHECK-NEXT: l1:
// CHECK-NEXT: 1: (CXXConstructExpr, [B1.2], A)
// CHECK-NEXT: 2: A c;
// CHECK-NEXT: 3: [B1.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B6.4].~A() (Implicit destructor)
// CHECK-NEXT: 5: [B6.2].~A() (Implicit destructor)
// CHECK-NEXT: 6: [B7.3].~A() (Implicit destructor)
// CHECK-NEXT: 7: CFGScopeEnd(a)
// CHECK-NEXT: Preds (2): B2 B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: (CXXConstructExpr, [B2.2], A)
// CHECK-NEXT: 2: A nb;
// CHECK-NEXT: 3: [B2.2].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B6.7].~A() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(na)
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B1
// CHECK: [B3]
// CHECK-NEXT: 1: [B6.7].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(na)
// CHECK-NEXT: T: goto l1;
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B1
// CHECK: [B4]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B4.2]
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (2): B3 B2
// CHECK: [B5]
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (1): B8
// CHECK: [B6]
// CHECK-NEXT: l0:
// CHECK-NEXT: 1: (CXXConstructExpr, [B6.2], A)
// CHECK-NEXT: 2: A cb;
// CHECK-NEXT: 3: (CXXConstructExpr, [B6.4], A)
// CHECK-NEXT: 4: A b;
// CHECK-NEXT: 5: CFGScopeBegin(na)
// CHECK-NEXT: 6: (CXXConstructExpr, [B6.7], A)
// CHECK-NEXT: 7: A na;
// CHECK-NEXT: 8: UV
// CHECK-NEXT: 9: [B6.8] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B6.9]
// CHECK-NEXT: Preds (2): B7 B8
// CHECK-NEXT: Succs (2): B5 B4
// CHECK: [B7]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B7.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: Preds (1): B9
// CHECK-NEXT: Succs (1): B6
// CHECK: [B8]
// CHECK-NEXT: 1: [B6.7].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(na)
// CHECK-NEXT: 3: [B6.4].~A() (Implicit destructor)
// CHECK-NEXT: 4: [B6.2].~A() (Implicit destructor)
// CHECK-NEXT: T: goto l0;
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B6
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_goto() {
A a;
l0:
A cb;
A b;
{ A na;
if (UV) goto l0;
if (UV) goto l1;
A nb;
}
l1:
A c;
}
// CHECK: [B7 (ENTRY)]
// CHECK-NEXT: Succs (1): B6
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(i)
// CHECK-NEXT: 2: CFGScopeBegin(unused2)
// CHECK-NEXT: 3: int unused2;
// CHECK-NEXT: 4: CFGScopeEnd(unused2)
// CHECK-NEXT: Preds (2): B4 B5
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: i
// CHECK-NEXT: 2: ++[B2.1]
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B5
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeEnd(unused1)
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(unused1)
// CHECK-NEXT: 2: int unused1;
// CHECK-NEXT: 3: CFGScopeEnd(unused1)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B1
// CHECK: [B5]
// CHECK-NEXT: 1: i
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 3: 3
// CHECK-NEXT: 4: [B5.2] < [B5.3]
// CHECK-NEXT: T: for (...; [B5.4]; ...)
// CHECK-NEXT: Preds (2): B2 B6
// CHECK-NEXT: Succs (2): B4 B1
// CHECK: [B6]
// CHECK-NEXT: 1: CFGScopeBegin(i)
// CHECK-NEXT: 2: 0
// CHECK-NEXT: 3: int i = 0;
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B5
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_for_compound_and_break() {
for (int i = 0; i < 3; ++i) {
{
int unused1;
break;
}
}
{
int unused2;
}
}
// CHECK: [B6 (ENTRY)]
// CHECK-NEXT: Succs (1): B5
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(__end1)
// CHECK-NEXT: 2: CFGScopeEnd(__begin1)
// CHECK-NEXT: 3: CFGScopeEnd(__range1)
// CHECK-NEXT: 4: [B5.3].~A[10]() (Implicit destructor)
// CHECK-NEXT: 5: CFGScopeEnd(a)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: __begin1
// CHECK-NEXT: 2: [B2.1] (ImplicitCastExpr, LValueToRValue, A *)
// CHECK-NEXT: 3: __end1
// CHECK-NEXT: 4: [B2.3] (ImplicitCastExpr, LValueToRValue, A *)
// CHECK-NEXT: 5: [B2.2] != [B2.4]
// CHECK-NEXT: T: for (auto &i : [B5.4])
// CHECK: [B4.11];
// CHECK: Preds (2): B3 B5
// CHECK-NEXT: Succs (2): B4 B1
// CHECK: [B3]
// CHECK-NEXT: 1: __begin1
// CHECK-NEXT: 2: ++[B3.1]
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(i)
// CHECK-NEXT: 2: __begin1
// CHECK-NEXT: 3: [B4.2] (ImplicitCastExpr, LValueToRValue, A *)
// CHECK-NEXT: 4: *[B4.3]
// CHECK-NEXT: 5: auto &i
// CHECK-NEXT: 6: operator=
// CHECK-NEXT: 7: [B4.6] (ImplicitCastExpr, FunctionToPointerDecay, A &(*)(const A &)
// CHECK-NEXT: 8: i
// CHECK-NEXT: 9: b
// CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, NoOp, const A)
// CHECK-NEXT: 11: [B4.8] = [B4.10] (OperatorCall)
// CHECK-NEXT: 12: CFGScopeEnd(i)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B3
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B5.3], A[10])
// CHECK-NEXT: 3: A a[10];
// CHECK-NEXT: 4: a
// CHECK-NEXT: 5: auto &&__range1 = a;
// CHECK-NEXT: 6: CFGScopeBegin(__end1)
// CHECK-NEXT: 7: __range1
// CHECK-NEXT: 8: [B5.7] (ImplicitCastExpr, ArrayToPointerDecay, A *)
// CHECK-NEXT: 9: 10
// CHECK-NEXT: 10: [B5.8] + [B5.9]
// CHECK-NEXT: 11: auto __end1 = __range1 + 10
// CHECK-NEXT: 12: __range1
// CHECK-NEXT: 13: [B5.12] (ImplicitCastExpr, ArrayToPointerDecay, A *)
// CHECK-NEXT: 14: auto __begin1 = __range1;
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (1): B2
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_range_for(A &b) {
A a[10];
for (auto &i : a)
i = b;
}
// CHECK: [B8 (ENTRY)]
// CHECK-NEXT: Succs (1): B2
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(i)
// CHECK-NEXT: 2: 1
// CHECK-NEXT: 3: int k = 1;
// CHECK-NEXT: 4: CFGScopeEnd(c)
// CHECK-NEXT: Preds (3): B3 B5 B6
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: '1'
// CHECK-NEXT: 3: char c = '1';
// CHECK-NEXT: 4: CFGScopeBegin(i)
// CHECK-NEXT: 5: getX
// CHECK-NEXT: 6: [B2.5] (ImplicitCastExpr, FunctionToPointerDecay, int (*)(void))
// CHECK-NEXT: 7: [B2.6]()
// CHECK-NEXT: 8: int i = getX();
// CHECK-NEXT: 9: i
// CHECK-NEXT: 10: [B2.9] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: T: switch [B2.10]
// CHECK-NEXT: Preds (1): B8
// CHECK-NEXT: Succs (5): B4 B5 B6 B7 B3
// CHECK: [B3]
// CHECK-NEXT: default:
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: 0
// CHECK-NEXT: 3: int a = 0;
// CHECK-NEXT: 4: i
// CHECK-NEXT: 5: ++[B3.4]
// CHECK-NEXT: 6: CFGScopeEnd(a)
// CHECK-NEXT: Preds (2): B4 B2
// CHECK-NEXT: Succs (1): B1
// CHECK: [B4]
// CHECK-NEXT: case 3:
// CHECK-NEXT: 1: '2'
// CHECK-NEXT: 2: c
// CHECK-NEXT: 3: [B4.2] = [B4.1]
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B3
// CHECK: [B5]
// CHECK-NEXT: case 2:
// CHECK-NEXT: 1: '2'
// CHECK-NEXT: 2: c
// CHECK-NEXT: 3: [B5.2] = [B5.1]
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B1
// CHECK: [B6]
// CHECK-NEXT: case 1:
// CHECK-NEXT: 1: '3'
// CHECK-NEXT: 2: c
// CHECK-NEXT: 3: [B6.2] = [B6.1]
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (2): B2 B7
// CHECK-NEXT: Succs (1): B1
// CHECK: [B7]
// CHECK-NEXT: case 0:
// CHECK-NEXT: 1: '2'
// CHECK-NEXT: 2: c
// CHECK-NEXT: 3: [B7.2] = [B7.1]
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B6
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_switch_with_compound_with_default() {
char c = '1';
switch (int i = getX()) {
case 0:
c = '2';
case 1:
c = '3';
break;
case 2: {
c = '2';
break;
}
case 3:
c = '2';
default: {
int a = 0;
++i;
}
}
int k = 1;
}
// CHECK: [B6 (ENTRY)]
// CHECK-NEXT: Succs (1): B2
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(i)
// CHECK-NEXT: 2: 3
// CHECK-NEXT: 3: int k = 3;
// CHECK-NEXT: 4: CFGScopeEnd(c)
// CHECK-NEXT: Preds (3): B3 B4 B2
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeBegin(c)
// CHECK-NEXT: 2: '1'
// CHECK-NEXT: 3: char c = '1';
// CHECK-NEXT: 4: CFGScopeBegin(i)
// CHECK-NEXT: 5: getX
// CHECK-NEXT: 6: [B2.5] (ImplicitCastExpr, FunctionToPointerDecay, int (*)(void))
// CHECK-NEXT: 7: [B2.6]()
// CHECK-NEXT: 8: int i = getX();
// CHECK-NEXT: 9: i
// CHECK-NEXT: 10: [B2.9] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: T: switch [B2.10]
// CHECK-NEXT: Preds (1): B6
// CHECK-NEXT: Succs (4): B3 B4 B5 B1
// CHECK: [B3]
// CHECK-NEXT: case 2:
// CHECK-NEXT: 1: '3'
// CHECK-NEXT: 2: c
// CHECK-NEXT: 3: [B3.2] = [B3.1]
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B1
// CHECK: [B4]
// CHECK-NEXT: case 1:
// CHECK-NEXT: 1: '1'
// CHECK-NEXT: 2: c
// CHECK-NEXT: 3: [B4.2] = [B4.1]
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (2): B2 B5
// CHECK-NEXT: Succs (1): B1
// CHECK: [B5]
// CHECK-NEXT: case 0:
// CHECK-NEXT: 1: '2'
// CHECK-NEXT: 2: c
// CHECK-NEXT: 3: [B5.2] = [B5.1]
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B4
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
int test_switch_with_compound_without_default() {
char c = '1';
switch (int i = getX()) {
case 0:
c = '2';
case 1:
c = '1';
break;
case 2:
c = '3';
break;
}
int k = 3;
}
// CHECK: [B5 (ENTRY)]
// CHECK-NEXT: Succs (1): B2
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(i)
// CHECK-NEXT: 2: 1
// CHECK-NEXT: 3: int k = 1;
// CHECK-NEXT: 4: CFGScopeEnd(s)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: CFGScopeBegin(s)
// CHECK-NEXT: 2: '1'
// CHECK-NEXT: 3: char s = '1';
// CHECK-NEXT: 4: CFGScopeBegin(i)
// CHECK-NEXT: 5: getX
// CHECK-NEXT: 6: [B2.5] (ImplicitCastExpr, FunctionToPointerDecay, int (*)(void))
// CHECK-NEXT: 7: [B2.6]()
// CHECK-NEXT: 8: int i = getX();
// CHECK-NEXT: 9: i
// CHECK-NEXT: 10: [B2.9] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: T: switch [B2.10]
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B3]
// CHECK-NEXT: default:
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: 0
// CHECK-NEXT: 3: int a = 0;
// CHECK-NEXT: 4: i
// CHECK-NEXT: 5: ++[B3.4]
// CHECK-NEXT: 6: CFGScopeEnd(a)
// CHECK-NEXT: Preds (2): B4 B2
// CHECK-NEXT: Succs (1): B1
// CHECK: [B4]
// CHECK-NEXT: case 0:
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B3
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_without_compound() {
char s = '1';
switch (int i = getX())
case 0:
default: {
int a = 0;
++i;
}
int k = 1;
}
// CHECK: [B12 (ENTRY)]
// CHECK-NEXT: Succs (1): B11
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeEnd(i)
// CHECK-NEXT: Preds (2): B4 B10
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: i
// CHECK-NEXT: 2: ++[B2.1]
// CHECK-NEXT: Preds (2): B3 B7
// CHECK-NEXT: Succs (1): B10
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeEnd(z)
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(z)
// CHECK-NEXT: 2: 5
// CHECK-NEXT: 3: int z = 5;
// CHECK-NEXT: 4: CFGScopeEnd(z)
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (2): B6 B8
// CHECK-NEXT: Succs (1): B1
// CHECK: [B5]
// CHECK-NEXT: 1: x
// CHECK-NEXT: 2: [B5.1] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: T: switch [B5.2]
// CHECK-NEXT: Preds (1): B10
// CHECK-NEXT: Succs (4): B7 B8 B9 B6
// CHECK: [B6]
// CHECK-NEXT: default:
// CHECK-NEXT: 1: 3
// CHECK-NEXT: 2: y
// CHECK-NEXT: 3: [B6.2] = [B6.1]
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B4
// CHECK: [B7]
// CHECK-NEXT: case 2:
// CHECK-NEXT: 1: 4
// CHECK-NEXT: 2: y
// CHECK-NEXT: 3: [B7.2] = [B7.1]
// CHECK-NEXT: T: continue;
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B8]
// CHECK-NEXT: case 1:
// CHECK-NEXT: 1: 2
// CHECK-NEXT: 2: y
// CHECK-NEXT: 3: [B8.2] = [B8.1]
// CHECK-NEXT: T: break;
// CHECK-NEXT: Preds (2): B5 B9
// CHECK-NEXT: Succs (1): B4
// CHECK: [B9]
// CHECK-NEXT: case 0:
// CHECK-NEXT: 1: 1
// CHECK-NEXT: 2: y
// CHECK-NEXT: 3: [B9.2] = [B9.1]
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B8
// CHECK: [B10]
// CHECK-NEXT: 1: i
// CHECK-NEXT: 2: [B10.1] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 3: 1000
// CHECK-NEXT: 4: [B10.2] < [B10.3]
// CHECK-NEXT: T: for (...; [B10.4]; ...)
// CHECK-NEXT: Preds (2): B2 B11
// CHECK-NEXT: Succs (2): B5 B1
// CHECK: [B11]
// CHECK-NEXT: 1: CFGScopeBegin(i)
// CHECK-NEXT: 2: int i;
// CHECK-NEXT: 3: int x;
// CHECK-NEXT: 4: int y;
// CHECK-NEXT: 5: 0
// CHECK-NEXT: 6: i
// CHECK-NEXT: 7: [B11.6] = [B11.5]
// CHECK-NEXT: Preds (1): B12
// CHECK-NEXT: Succs (1): B10
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_for_switch_in_for() {
int i, x, y;
for (i = 0; i < 1000; ++i) {
switch (x) {
case 0:
y = 1;
case 1:
y = 2;
break; // break from switch
case 2:
y = 4;
continue; // continue in loop
default:
y = 3;
}
{
int z = 5;
break; // break from loop
}
}
}
// CHECK: [B4 (ENTRY)]
// CHECK-NEXT: Succs (1): B3
// CHECK: [B1]
// CHECK-NEXT: label:
// CHECK-NEXT: 1: CFGScopeEnd(n2t)
// CHECK-NEXT: 2: CFGScopeEnd(n1t)
// CHECK-NEXT: 3: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(a)
// CHECK-NEXT: Preds (2): B2 B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: [B3.9].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(n2s)
// CHECK-NEXT: 3: [B3.6].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(n1s)
// CHECK-NEXT: 5: CFGScopeBegin(n1t)
// CHECK-NEXT: 6: int n1t;
// CHECK-NEXT: 7: CFGScopeBegin(n2t)
// CHECK-NEXT: 8: int n2t;
// CHECK-NEXT: Succs (1): B1
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: CFGScopeBegin(n1s)
// CHECK-NEXT: 5: (CXXConstructExpr, [B3.6], A)
// CHECK-NEXT: 6: A n1s;
// CHECK-NEXT: 7: CFGScopeBegin(n2s)
// CHECK-NEXT: 8: (CXXConstructExpr, [B3.9], A)
// CHECK-NEXT: 9: A n2s;
// CHECK-NEXT: 10: [B3.9].~A() (Implicit destructor)
// CHECK-NEXT: 11: CFGScopeEnd(n2s)
// CHECK-NEXT: 12: [B3.6].~A() (Implicit destructor)
// CHECK-NEXT: 13: CFGScopeEnd(n1s)
// CHECK-NEXT: 14: CFGScopeBegin(n1t)
// CHECK-NEXT: 15: CFGScopeBegin(n2t)
// CHECK-NEXT: T: goto label;
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (1): B1
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_goto_multiple_scopes() {
A a;
{
A n1s;
{
A n2s;
goto label;
}
}
{
int n1t;
{
int n2t;
label:
}
}
}
// CHECK: [B5 (ENTRY)]
// CHECK-NEXT: Succs (1): B3
// CHECK: [B1]
// CHECK-NEXT: 1: [B2.8].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(n2s)
// CHECK-NEXT: 3: [B2.5].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(n1s)
// CHECK-NEXT: 5: [B3.3].~A() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(a)
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: label:
// CHECK-NEXT: 1: CFGScopeEnd(n2t)
// CHECK-NEXT: 2: CFGScopeEnd(n1t)
// CHECK-NEXT: 3: CFGScopeBegin(n1s)
// CHECK-NEXT: 4: (CXXConstructExpr, [B2.5], A)
// CHECK-NEXT: 5: A n1s;
// CHECK-NEXT: 6: CFGScopeBegin(n2s)
// CHECK-NEXT: 7: (CXXConstructExpr, [B2.8], A)
// CHECK-NEXT: 8: A n2s;
// CHECK-NEXT: Preds (2): B3 B4
// CHECK-NEXT: Succs (1): B4
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(a)
// CHECK-NEXT: 2: (CXXConstructExpr, [B3.3], A)
// CHECK-NEXT: 3: A a;
// CHECK-NEXT: 4: CFGScopeBegin(n1t)
// CHECK-NEXT: 5: int n1t;
// CHECK-NEXT: 6: CFGScopeBegin(n2t)
// CHECK-NEXT: 7: int n2t;
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B2
// CHECK: [B4]
// CHECK-NEXT: 1: [B2.8].~A() (Implicit destructor)
// CHECK-NEXT: 2: CFGScopeEnd(n2s)
// CHECK-NEXT: 3: [B2.5].~A() (Implicit destructor)
// CHECK-NEXT: 4: CFGScopeEnd(n1s)
// CHECK-NEXT: 5: CFGScopeBegin(n1t)
// CHECK-NEXT: 6: CFGScopeBegin(n2t)
// CHECK-NEXT: T: goto label;
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B2
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_backpatched_goto_multiple_scopes() {
A a;
{
int n1t;
{
int n2t;
label:
}
}
{
A n1s;
{
A n2s;
goto label;
}
}
}
// CHECK: [B8 (ENTRY)]
// CHECK-NEXT: Succs (1): B7
// CHECK: [B1]
// CHECK-NEXT: label:
// CHECK-NEXT: 1: CFGScopeEnd(n2t)
// CHECK-NEXT: 2: CFGScopeEnd(n1t)
// CHECK-NEXT: Preds (4): B2 B3 B4 B6
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: T: goto label;
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B1
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(n2t)
// CHECK-NEXT: 2: int n2t;
// CHECK-NEXT: 3: UV
// CHECK-NEXT: 4: [B3.3] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B3.4]
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (2): B2 B1
// CHECK: [B4]
// CHECK-NEXT: 1: CFGScopeBegin(n2t)
// CHECK-NEXT: T: goto label;
// CHECK-NEXT: Preds (1): B5
// CHECK-NEXT: Succs (1): B1
// CHECK: [B5]
// CHECK-NEXT: 1: CFGScopeBegin(n1t)
// CHECK-NEXT: 2: int n1t;
// CHECK-NEXT: 3: UV
// CHECK-NEXT: 4: [B5.3] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B5.4]
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (2): B4 B3
// CHECK: [B6]
// CHECK-NEXT: 1: CFGScopeBegin(n1t)
// CHECK-NEXT: 2: CFGScopeBegin(n2t)
// CHECK-NEXT: T: goto label;
// CHECK-NEXT: Preds (1): B7
// CHECK-NEXT: Succs (1): B1
// CHECK: [B7]
// CHECK-NEXT: 1: UV
// CHECK-NEXT: 2: [B7.1] (ImplicitCastExpr, LValueToRValue, _Bool)
// CHECK-NEXT: T: if [B7.2]
// CHECK-NEXT: Preds (1): B8
// CHECK-NEXT: Succs (2): B6 B5
// CHECK: [B0 (EXIT)]
// CHECK-NEXT: Preds (1): B1
void test_multiple_goto_entering_scopes() {
if (UV) goto label;
{
int n1t;
if (UV) goto label;
{
int n2t;
if (UV) goto label;
label:
}
}
}
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeBegin(i)
// CHECK-NEXT: 2: int i __attribute__((cleanup(cleanup_int)));
// CHECK-NEXT: 3: CleanupFunction (cleanup_int)
// CHECK-NEXT: 4: CFGScopeEnd(i)
void cleanup_int(int *i);
void test_cleanup_functions() {
int i __attribute__((cleanup(cleanup_int)));
}
// CHECK: [B1]
// CHECK-NEXT: 1: 10
// CHECK-NEXT: 2: i
// CHECK-NEXT: 3: [B1.2] = [B1.1]
// CHECK-NEXT: 4: return;
// CHECK-NEXT: 5: CleanupFunction (cleanup_int)
// CHECK-NEXT: 6: CFGScopeEnd(i)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B2]
// CHECK-NEXT: 1: return;
// CHECK-NEXT: 2: CleanupFunction (cleanup_int)
// CHECK-NEXT: 3: CFGScopeEnd(i)
// CHECK-NEXT: Preds (1): B3
// CHECK-NEXT: Succs (1): B0
// CHECK: [B3]
// CHECK-NEXT: 1: CFGScopeBegin(i)
// CHECK-NEXT: 2: int i __attribute__((cleanup(cleanup_int)));
// CHECK-NEXT: 3: m
// CHECK-NEXT: 4: [B3.3] (ImplicitCastExpr, LValueToRValue, int)
// CHECK-NEXT: 5: 1
// CHECK-NEXT: 6: [B3.4] == [B3.5]
// CHECK-NEXT: T: if [B3.6]
// CHECK-NEXT: Preds (1): B4
// CHECK-NEXT: Succs (2): B2 B1
void test_cleanup_functions2(int m) {
int i __attribute__((cleanup(cleanup_int)));
if (m == 1) {
return;
}
i = 10;
return;
}
// CHECK: [B1]
// CHECK-NEXT: 1: CFGScopeBegin(f)
// CHECK-NEXT: 2: (CXXConstructExpr, [B1.3], F)
// CHECK-NEXT: 3: F f __attribute__((cleanup(cleanup_F)));
// CHECK-NEXT: 4: CleanupFunction (cleanup_F)
// CHECK-NEXT: 5: [B1.3].~F() (Implicit destructor)
// CHECK-NEXT: 6: CFGScopeEnd(f)
// CHECK-NEXT: Preds (1): B2
// CHECK-NEXT: Succs (1): B0
class F {
public:
~F();
};
void cleanup_F(F *f);
void test() {
F f __attribute((cleanup(cleanup_F)));
}
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