// 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))); }