// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -analyze -analyzer-checker=debug.DumpCFG -analyzer-config cfg-lifetime=true,cfg-temporary-dtors=false,cfg-rich-constructors=false -analyzer-config cfg-implicit-dtors=false %s > %t 2>&1 // RUN: FileCheck --input-file=%t %s extern bool UV; class A { public: // CHECK: [B2 (ENTRY)] // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK-NEXT: 1: true // CHECK-NEXT: 2: UV // CHECK-NEXT: 3: [B1.2] = [B1.1] // CHECK-NEXT: Preds (1): B2 // CHECK-NEXT: Succs (1): B0 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 A() { UV = true; } // CHECK: [B3 (ENTRY)] // CHECK-NEXT: Succs (1): B2 // CHECK: [B1] // CHECK-NEXT: 1: 0 // CHECK-NEXT: 2: this // CHECK-NEXT: 3: [B1.2]->p // CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, LValueToRValue, int *) // CHECK-NEXT: 5: *[B1.4] // CHECK-NEXT: 6: [B1.5] = [B1.1] // CHECK-NEXT: Preds (1): B2 // CHECK-NEXT: Succs (1): B0 // CHECK: [B2] // CHECK-NEXT: 1: this // CHECK-NEXT: 2: [B2.1]->p // CHECK-NEXT: 3: [B2.2] (ImplicitCastExpr, LValueToRValue, int *) // CHECK-NEXT: 4: [B2.3] (ImplicitCastExpr, PointerToBoolean, _Bool) // CHECK-NEXT: T: if [B2.4] // CHECK-NEXT: Preds (1): B3 // CHECK-NEXT: Succs (2): B1 B0 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (2): B1 B2 ~A() { if (p) *p = 0; } // 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; }; // CHECK: [B2 (ENTRY)] // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A a; // CHECK-NEXT: 3: a // CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 5: const A &b = a; // CHECK-NEXT: 6: A() (CXXConstructExpr, class A) // CHECK-NEXT: 7: [B1.6] (BindTemporary) // CHECK-NEXT: 8: [B1.7] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 9: [B1.8] // CHECK-NEXT: 10: const A &c = A(); // CHECK-NEXT: 11: [B1.10] (Lifetime ends) // CHECK-NEXT: 12: [B1.2] (Lifetime ends) // CHECK-NEXT: 13: [B1.5] (Lifetime ends) // CHECK-NEXT: Preds (1): B2 // CHECK-NEXT: Succs (1): B0 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 void test_const_ref() { A a; const A &b = a; const A &c = A(); } // CHECK: [B2 (ENTRY)] // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK-NEXT: 1: (CXXConstructExpr, class A [2]) // CHECK-NEXT: 2: A a[2]; // CHECK-NEXT: 3: (CXXConstructExpr, class A [0]) // CHECK-NEXT: 4: A b[0]; // lifetime of a ends when its destructors are run // CHECK-NEXT: 5: [B1.2] (Lifetime ends) // lifetime of b ends when its storage duration ends // CHECK-NEXT: 6: [B1.4] (Lifetime ends) // 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: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A a; // CHECK-NEXT: 3: (CXXConstructExpr, class A) // CHECK-NEXT: 4: A c; // CHECK-NEXT: 5: (CXXConstructExpr, class A) // CHECK-NEXT: 6: A d; // CHECK-NEXT: 7: [B1.6] (Lifetime ends) // CHECK-NEXT: 8: [B1.4] (Lifetime ends) // CHECK-NEXT: 9: (CXXConstructExpr, class A) // CHECK-NEXT: 10: A b; // CHECK-NEXT: 11: [B1.10] (Lifetime ends) // CHECK-NEXT: 12: [B1.2] (Lifetime ends) // 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, class A) // CHECK-NEXT: 2: A c; // CHECK-NEXT: 3: [B1.2] (Lifetime ends) // CHECK-NEXT: 4: [B3.4] (Lifetime ends) // CHECK-NEXT: 5: [B3.2] (Lifetime ends) // CHECK-NEXT: Preds (1): B3 // CHECK-NEXT: Succs (1): B0 // CHECK: [B2] // CHECK-NEXT: 1: return; // CHECK-NEXT: 2: [B3.4] (Lifetime ends) // CHECK-NEXT: 3: [B3.2] (Lifetime ends) // CHECK-NEXT: Preds (1): B3 // CHECK-NEXT: Succs (1): B0 // CHECK: [B3] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A a; // CHECK-NEXT: 3: (CXXConstructExpr, class A) // CHECK-NEXT: 4: A b; // CHECK-NEXT: 5: UV // CHECK-NEXT: 6: [B3.5] (ImplicitCastExpr, LValueToRValue, _Bool) // CHECK-NEXT: T: if [B3.6] // 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: [B4.6] (Lifetime ends) // CHECK-NEXT: 2: [B4.2] (Lifetime ends) // CHECK-NEXT: Preds (2): B2 B3 // CHECK-NEXT: Succs (1): B0 // CHECK: [B2] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A c; // CHECK-NEXT: 3: [B2.2] (Lifetime ends) // CHECK-NEXT: Preds (1): B4 // CHECK-NEXT: Succs (1): B1 // CHECK: [B3] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A c; // CHECK-NEXT: 3: [B3.2] (Lifetime ends) // CHECK-NEXT: Preds (1): B4 // CHECK-NEXT: Succs (1): B1 // CHECK: [B4] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A a; // CHECK-NEXT: 3: a // CHECK-NEXT: 4: [B4.3] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 5: [B4.4] (CXXConstructExpr, class A) // CHECK-NEXT: 6: A b = a; // CHECK-NEXT: 7: b // CHECK-NEXT: 8: [B4.7] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 9: [B4.8].operator int // CHECK-NEXT: 10: [B4.8] // CHECK-NEXT: 11: [B4.10] (ImplicitCastExpr, UserDefinedConversion, int) // CHECK-NEXT: 12: [B4.11] (ImplicitCastExpr, IntegralToBoolean, _Bool) // CHECK-NEXT: T: if [B4.12] // 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: [B8.6] (Lifetime ends) // CHECK-NEXT: 2: (CXXConstructExpr, class A) // CHECK-NEXT: 3: A e; // CHECK-NEXT: 4: [B1.3] (Lifetime ends) // CHECK-NEXT: 5: [B8.2] (Lifetime ends) // CHECK-NEXT: Preds (2): B2 B5 // CHECK-NEXT: Succs (1): B0 // CHECK: [B2] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A d; // CHECK-NEXT: 3: [B2.2] (Lifetime ends) // CHECK-NEXT: 4: [B4.2] (Lifetime ends) // CHECK-NEXT: Preds (1): B4 // CHECK-NEXT: Succs (1): B1 // CHECK: [B3] // CHECK-NEXT: 1: return; // CHECK-NEXT: 2: [B4.2] (Lifetime ends) // CHECK-NEXT: 3: [B8.6] (Lifetime ends) // CHECK-NEXT: 4: [B8.2] (Lifetime ends) // CHECK-NEXT: Preds (1): B4 // CHECK-NEXT: Succs (1): B0 // CHECK: [B4] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A c; // CHECK-NEXT: 3: UV // CHECK-NEXT: 4: [B4.3] (ImplicitCastExpr, LValueToRValue, _Bool) // CHECK-NEXT: T: if [B4.4] // CHECK-NEXT: Preds (1): B8 // CHECK-NEXT: Succs (2): B3 B2 // CHECK: [B5] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A d; // CHECK-NEXT: 3: [B5.2] (Lifetime ends) // CHECK-NEXT: 4: [B7.2] (Lifetime ends) // CHECK-NEXT: Preds (1): B7 // CHECK-NEXT: Succs (1): B1 // CHECK: [B6] // CHECK-NEXT: 1: return; // CHECK-NEXT: 2: [B7.2] (Lifetime ends) // CHECK-NEXT: 3: [B8.6] (Lifetime ends) // CHECK-NEXT: 4: [B8.2] (Lifetime ends) // CHECK-NEXT: Preds (1): B7 // CHECK-NEXT: Succs (1): B0 // CHECK: [B7] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A c; // CHECK-NEXT: 3: UV // CHECK-NEXT: 4: [B7.3] (ImplicitCastExpr, LValueToRValue, _Bool) // CHECK-NEXT: T: if [B7.4] // CHECK-NEXT: Preds (1): B8 // CHECK-NEXT: Succs (2): B6 B5 // CHECK: [B8] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A a; // CHECK-NEXT: 3: a // CHECK-NEXT: 4: [B8.3] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 5: [B8.4] (CXXConstructExpr, class A) // CHECK-NEXT: 6: A b = a; // CHECK-NEXT: 7: b // CHECK-NEXT: 8: [B8.7] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 9: [B8.8].operator int // CHECK-NEXT: 10: [B8.8] // CHECK-NEXT: 11: [B8.10] (ImplicitCastExpr, UserDefinedConversion, int) // CHECK-NEXT: 12: [B8.11] (ImplicitCastExpr, IntegralToBoolean, _Bool) // CHECK-NEXT: T: if [B8.12] // 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: [B4.4] (Lifetime ends) // CHECK-NEXT: 2: [B5.2] (Lifetime ends) // 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: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A c; // CHECK-NEXT: 3: [B3.2] (Lifetime ends) // CHECK-NEXT: 4: [B4.4] (Lifetime ends) // CHECK-NEXT: Preds (1): B4 // CHECK-NEXT: Succs (1): B2 // CHECK: [B4] // CHECK-NEXT: 1: a // CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 3: [B4.2] (CXXConstructExpr, class A) // CHECK-NEXT: 4: A b = a; // CHECK-NEXT: 5: b // CHECK-NEXT: 6: [B4.5] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 7: [B4.6].operator int // CHECK-NEXT: 8: [B4.6] // CHECK-NEXT: 9: [B4.8] (ImplicitCastExpr, UserDefinedConversion, int) // CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, IntegralToBoolean, _Bool) // CHECK-NEXT: T: while [B4.10] // CHECK-NEXT: Preds (2): B2 B5 // CHECK-NEXT: Succs (2): B3 B1 // CHECK: [B5] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: 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: [B10.4] (Lifetime ends) // CHECK-NEXT: 2: (CXXConstructExpr, class A) // CHECK-NEXT: 3: A e; // CHECK-NEXT: 4: [B1.3] (Lifetime ends) // CHECK-NEXT: 5: [B11.2] (Lifetime ends) // 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, class A) // CHECK-NEXT: 2: A d; // CHECK-NEXT: 3: [B3.2] (Lifetime ends) // CHECK-NEXT: 4: [B9.2] (Lifetime ends) // CHECK-NEXT: 5: [B10.4] (Lifetime ends) // CHECK-NEXT: Preds (1): B5 // CHECK-NEXT: Succs (1): B2 // CHECK: [B4] // CHECK-NEXT: 1: return; // CHECK-NEXT: 2: [B9.2] (Lifetime ends) // CHECK-NEXT: 3: [B10.4] (Lifetime ends) // CHECK-NEXT: 4: [B11.2] (Lifetime ends) // 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: [B9.2] (Lifetime ends) // CHECK-NEXT: 2: [B10.4] (Lifetime ends) // 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: [B9.2] (Lifetime ends) // CHECK-NEXT: T: break; // CHECK-NEXT: Preds (1): B9 // CHECK-NEXT: Succs (1): B1 // CHECK: [B9] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A c; // CHECK-NEXT: 3: UV // CHECK-NEXT: 4: [B9.3] (ImplicitCastExpr, LValueToRValue, _Bool) // CHECK-NEXT: T: if [B9.4] // CHECK-NEXT: Preds (1): B10 // CHECK-NEXT: Succs (2): B8 B7 // CHECK: [B10] // CHECK-NEXT: 1: a // CHECK-NEXT: 2: [B10.1] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 3: [B10.2] (CXXConstructExpr, class A) // CHECK-NEXT: 4: A b = a; // CHECK-NEXT: 5: b // CHECK-NEXT: 6: [B10.5] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 7: [B10.6].operator int // CHECK-NEXT: 8: [B10.6] // CHECK-NEXT: 9: [B10.8] (ImplicitCastExpr, UserDefinedConversion, int) // CHECK-NEXT: 10: [B10.9] (ImplicitCastExpr, IntegralToBoolean, _Bool) // CHECK-NEXT: T: while [B10.10] // CHECK-NEXT: Preds (2): B2 B11 // CHECK-NEXT: Succs (2): B9 B1 // CHECK: [B11] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: 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, class A) // CHECK-NEXT: 2: A d; // CHECK-NEXT: 3: [B1.2] (Lifetime ends) // CHECK-NEXT: 4: [B11.2] (Lifetime ends) // 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, class A) // CHECK-NEXT: 2: A c; // CHECK-NEXT: 3: [B3.2] (Lifetime ends) // CHECK-NEXT: 4: [B9.2] (Lifetime ends) // CHECK-NEXT: Preds (1): B5 // CHECK-NEXT: Succs (1): B2 // CHECK: [B4] // CHECK-NEXT: 1: return; // CHECK-NEXT: 2: [B9.2] (Lifetime ends) // CHECK-NEXT: 3: [B11.2] (Lifetime ends) // 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: [B9.2] (Lifetime ends) // 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: [B9.2] (Lifetime ends) // CHECK-NEXT: T: break; // CHECK-NEXT: Preds (1): B9 // CHECK-NEXT: Succs (1): B1 // CHECK: [B9] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A b; // CHECK-NEXT: 3: UV // CHECK-NEXT: 4: [B9.3] (ImplicitCastExpr, LValueToRValue, _Bool) // CHECK-NEXT: T: if [B9.4] // 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: (CXXConstructExpr, class A) // CHECK-NEXT: 2: 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: [B4.4] (Lifetime ends) // CHECK-NEXT: 2: [B5.2] (Lifetime ends) // 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: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A c; // CHECK-NEXT: 3: [B3.2] (Lifetime ends) // CHECK-NEXT: 4: [B4.4] (Lifetime ends) // CHECK-NEXT: Preds (1): B4 // CHECK-NEXT: Succs (1): B2 // CHECK: [B4] // CHECK-NEXT: 1: a // CHECK-NEXT: 2: [B4.1] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 3: [B4.2] (CXXConstructExpr, class A) // CHECK-NEXT: 4: A b = a; // CHECK-NEXT: 5: b // CHECK-NEXT: 6: [B4.5] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 7: [B4.6].operator int // CHECK-NEXT: 8: [B4.6] // CHECK-NEXT: 9: [B4.8] (ImplicitCastExpr, UserDefinedConversion, int) // CHECK-NEXT: 10: [B4.9] (ImplicitCastExpr, IntegralToBoolean, _Bool) // CHECK-NEXT: T: for (...; [B4.10]; ) // CHECK-NEXT: Preds (2): B2 B5 // CHECK-NEXT: Succs (2): B3 B1 // CHECK: [B5] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: 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;) A c; } // CHECK: [B12 (ENTRY)] // CHECK-NEXT: Succs (1): B11 // CHECK: [B1] // CHECK-NEXT: 1: [B10.4] (Lifetime ends) // CHECK-NEXT: 2: [B11.4] (Lifetime ends) // CHECK-NEXT: 3: (CXXConstructExpr, class A) // CHECK-NEXT: 4: A f; // CHECK-NEXT: 5: [B1.4] (Lifetime ends) // CHECK-NEXT: 6: [B11.2] (Lifetime ends) // 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, class A) // CHECK-NEXT: 2: A e; // CHECK-NEXT: 3: [B3.2] (Lifetime ends) // CHECK-NEXT: 4: [B9.2] (Lifetime ends) // CHECK-NEXT: 5: [B10.4] (Lifetime ends) // CHECK-NEXT: Preds (1): B5 // CHECK-NEXT: Succs (1): B2 // CHECK: [B4] // CHECK-NEXT: 1: return; // CHECK-NEXT: 2: [B9.2] (Lifetime ends) // CHECK-NEXT: 3: [B10.4] (Lifetime ends) // CHECK-NEXT: 4: [B11.4] (Lifetime ends) // CHECK-NEXT: 5: [B11.2] (Lifetime ends) // 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: [B9.2] (Lifetime ends) // 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: [B9.2] (Lifetime ends) // CHECK-NEXT: T: break; // CHECK-NEXT: Preds (1): B9 // CHECK-NEXT: Succs (1): B1 // CHECK: [B9] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A d; // CHECK-NEXT: 3: UV // CHECK-NEXT: 4: [B9.3] (ImplicitCastExpr, LValueToRValue, _Bool) // CHECK-NEXT: T: if [B9.4] // CHECK-NEXT: Preds (1): B10 // CHECK-NEXT: Succs (2): B8 B7 // CHECK: [B10] // CHECK-NEXT: 1: b // CHECK-NEXT: 2: [B10.1] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 3: [B10.2] (CXXConstructExpr, class A) // CHECK-NEXT: 4: A c = b; // CHECK-NEXT: 5: c // CHECK-NEXT: 6: [B10.5] (ImplicitCastExpr, NoOp, const class A) // CHECK-NEXT: 7: [B10.6].operator int // CHECK-NEXT: 8: [B10.6] // CHECK-NEXT: 9: [B10.8] (ImplicitCastExpr, UserDefinedConversion, int) // CHECK-NEXT: 10: [B10.9] (ImplicitCastExpr, IntegralToBoolean, _Bool) // CHECK-NEXT: T: for (...; [B10.10]; ) // CHECK-NEXT: Preds (2): B2 B11 // CHECK-NEXT: Succs (2): B9 B1 // CHECK: [B11] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A a; // CHECK-NEXT: 3: (CXXConstructExpr, class A) // CHECK-NEXT: 4: 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: [B2 (ENTRY)] // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: A a; // CHECK-NEXT: 3: int n; // CHECK-NEXT: 4: n // CHECK-NEXT: 5: &[B1.4] // CHECK-NEXT: 6: a // CHECK-NEXT: 7: [B1.6].p // CHECK-NEXT: 8: [B1.7] = [B1.5] // CHECK-NEXT: 9: [B1.2] (Lifetime ends) // CHECK-NEXT: 10: [B1.3] (Lifetime ends) // CHECK-NEXT: Preds (1): B2 // CHECK-NEXT: Succs (1): B0 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 void test_trivial_vs_non_trivial_order() { A a; int n; a.p = &n; } // CHECK: [B4 (ENTRY)] // CHECK-NEXT: Succs (1): B3 // CHECK: [B1] // CHECK-NEXT: a: // CHECK-NEXT: 1: 1 // CHECK-NEXT: 2: i // CHECK-NEXT: 3: [B1.2] = [B1.1] // CHECK-NEXT: 4: [B2.1] (Lifetime ends) // CHECK-NEXT: Preds (2): B2 B3 // CHECK-NEXT: Succs (1): B0 // CHECK: [B2] // CHECK-NEXT: 1: int i; // CHECK-NEXT: Succs (1): B1 // CHECK: [B3] // CHECK-NEXT: T: goto a; // CHECK-NEXT: Preds (1): B4 // CHECK-NEXT: Succs (1): B1 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 void goto_past_declaration() { goto a; int i; a: i = 1; } // CHECK: [B4 (ENTRY)] // CHECK-NEXT: Succs (1): B3 // CHECK: [B1] // CHECK-NEXT: a: // CHECK-NEXT: 1: 1 // CHECK-NEXT: 2: k // CHECK-NEXT: 3: [B1.2] = [B1.1] // CHECK-NEXT: 4: [B2.4] (Lifetime ends) // CHECK-NEXT: Preds (2): B2 B3 // CHECK-NEXT: Succs (1): B0 // CHECK: [B2] // CHECK-NEXT: 1: int j; // CHECK-NEXT: 2: [B2.1] (Lifetime ends) // CHECK-NEXT: 3: [B3.1] (Lifetime ends) // CHECK-NEXT: 4: int k; // CHECK-NEXT: Succs (1): B1 // CHECK: [B3] // CHECK-NEXT: 1: int i; // CHECK-NEXT: 2: [B3.1] (Lifetime ends) // CHECK-NEXT: T: goto a; // CHECK-NEXT: Preds (1): B4 // CHECK-NEXT: Succs (1): B1 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 void goto_past_declaration2() { { int i; goto a; int j; } { int k; a: k = 1; } } struct B { ~B(); }; // CHECK: [B4 (ENTRY)] // CHECK-NEXT: Succs (1): B3 // CHECK: [B1] // CHECK-NEXT: 1: i // CHECK-NEXT: 2: [B1.1]++ // CHECK-NEXT: 3: [B2.2] (Lifetime ends) // CHECK-NEXT: 4: [B3.1] (Lifetime ends) // CHECK-NEXT: Succs (1): B0 // CHECK: [B2] // CHECK-NEXT: label: // CHECK-NEXT: 1: (CXXConstructExpr, struct B) // CHECK-NEXT: 2: B b; // CHECK-NEXT: 3: [B2.2] (Lifetime ends) // CHECK-NEXT: T: goto label; // CHECK-NEXT: Preds (2): B3 B2 // CHECK-NEXT: Succs (1): B2 // CHECK: [B3] // CHECK-NEXT: 1: int i; // CHECK-NEXT: Preds (1): B4 // CHECK-NEXT: Succs (1): B2 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 int backpatched_goto() { int i; label: B b; goto label; i++; }