| // RUN: %clang_analyze_cc1 -fcxx-exceptions -fexceptions -analyzer-checker=debug.DumpCFG %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; } |
| }; |
| |
| extern const bool UV; |
| |
| // 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: 10: const A &c = A(); |
| // CHECK: 11: [B1.10].~A() (Implicit destructor) |
| // CHECK: 12: [B1.2].~A() (Implicit destructor) |
| // 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]; |
| // CHECK-NEXT: 5: [B1.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 8: [B1.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 9: (CXXConstructExpr, class A) |
| // CHECK: 10: A b; |
| // CHECK: 11: [B1.10].~A() (Implicit destructor) |
| // CHECK: 12: [B1.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B3.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 5: [B3.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B3 |
| // CHECK-NEXT: Succs (1): B0 |
| // CHECK: [B2] |
| // CHECK-NEXT: 1: return; |
| // CHECK-NEXT: 2: [B3.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 3: [B3.2].~A() (Implicit destructor) |
| // 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: [B8 (ENTRY)] |
| // CHECK-NEXT: Succs (1): B7 |
| // CHECK: [B1] |
| // CHECK: l1: |
| // CHECK-NEXT: 1: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 2: A c; |
| // CHECK-NEXT: 3: [B1.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B6.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 5: [B7.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (2): B2 B3 |
| // CHECK-NEXT: Succs (1): B0 |
| // CHECK: [B2] |
| // CHECK-NEXT: 1: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 2: A b; |
| // CHECK-NEXT: 3: [B2.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B6.4].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B4 |
| // CHECK-NEXT: Succs (1): B1 |
| // CHECK: [B3] |
| // CHECK-NEXT: 1: [B6.4].~A() (Implicit destructor) |
| // CHECK-NEXT: T: goto l1; |
| // CHECK: 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: 1: [B6.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: [B6.2].~A() (Implicit destructor) |
| // CHECK-NEXT: T: goto l0; |
| // CHECK: Preds (1): B6 |
| // CHECK-NEXT: Succs (1): B6 |
| // CHECK: [B6] |
| // CHECK: l0: |
| // CHECK-NEXT: 1: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 2: A b; |
| // CHECK-NEXT: 3: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 4: A a; |
| // CHECK-NEXT: 5: UV |
| // CHECK-NEXT: 6: [B6.5] (ImplicitCastExpr, LValueToRValue, _Bool) |
| // CHECK-NEXT: T: if [B6.6] |
| // CHECK-NEXT: Preds (2): B7 B5 |
| // CHECK-NEXT: Succs (2): B5 B4 |
| // CHECK: [B7] |
| // CHECK-NEXT: 1: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 2: A a; |
| // CHECK-NEXT: Preds (1): B8 |
| // CHECK-NEXT: Succs (1): B6 |
| // CHECK: [B0 (EXIT)] |
| // CHECK-NEXT: Preds (1): B1 |
| void test_goto() { |
| A a; |
| l0: |
| A b; |
| { A a; |
| if (UV) goto l0; |
| if (UV) goto l1; |
| A b; |
| } |
| l1: |
| A c; |
| } |
| |
| // CHECK: [B5 (ENTRY)] |
| // CHECK-NEXT: Succs (1): B4 |
| // CHECK: [B1] |
| // CHECK-NEXT: 1: [B4.6].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: [B4.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // 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: 10: [B4.8] |
| // CHECK: 11: [B4.10] (ImplicitCastExpr, UserDefinedConversion, int) |
| // CHECK: 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 3: A e; |
| // CHECK-NEXT: 4: [B1.3].~A() (Implicit destructor) |
| // CHECK-NEXT: 5: [B8.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B4.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B4 |
| // CHECK-NEXT: Succs (1): B1 |
| // CHECK: [B3] |
| // CHECK-NEXT: 1: return; |
| // CHECK-NEXT: 2: [B4.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 3: [B8.6].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B8.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B7.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B7 |
| // CHECK-NEXT: Succs (1): B1 |
| // CHECK: [B6] |
| // CHECK-NEXT: 1: return; |
| // CHECK-NEXT: 2: [B7.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 3: [B8.6].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B8.2].~A() (Implicit destructor) |
| // 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: 10: [B8.8] |
| // CHECK: 11: [B8.10] (ImplicitCastExpr, UserDefinedConversion, int) |
| // CHECK: 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: [B5.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B4.4].~A() (Implicit destructor) |
| // 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: 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 3: A e; |
| // CHECK-NEXT: 4: [B1.3].~A() (Implicit destructor) |
| // CHECK-NEXT: 5: [B11.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B9.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 5: [B10.4].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B5 |
| // CHECK-NEXT: Succs (1): B2 |
| // CHECK: [B4] |
| // CHECK-NEXT: 1: return; |
| // CHECK-NEXT: 2: [B9.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 3: [B10.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B11.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: [B10.4].~A() (Implicit destructor) |
| // CHECK-NEXT: T: continue; |
| // CHECK: 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].~A() (Implicit destructor) |
| // CHECK-NEXT: T: break; |
| // CHECK: 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: 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: [B4 (ENTRY)] |
| // CHECK-NEXT: Succs (1): B2 |
| // CHECK: [B1] |
| // CHECK-NEXT: 1: UV |
| // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, LValueToRValue, _Bool) |
| // CHECK-NEXT: T: do ... while [B1.2] |
| // CHECK-NEXT: Preds (1): B2 |
| // CHECK-NEXT: Succs (2): B3 B0 |
| // CHECK: [B2] |
| // CHECK-NEXT: 1: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 2: A a; |
| // CHECK-NEXT: 3: [B2.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (2): B3 B4 |
| // CHECK-NEXT: Succs (1): B1 |
| // CHECK: [B3] |
| // CHECK-NEXT: Preds (1): B1 |
| // CHECK-NEXT: Succs (1): B2 |
| // CHECK: [B0 (EXIT)] |
| // CHECK-NEXT: Preds (1): B1 |
| void test_do_implicit_scope() { |
| do A a; |
| while (UV); |
| } |
| |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B11.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B9.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B5 |
| // CHECK-NEXT: Succs (1): B2 |
| // CHECK: [B4] |
| // CHECK-NEXT: 1: return; |
| // CHECK-NEXT: 2: [B9.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 3: [B11.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: T: continue; |
| // CHECK: 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].~A() (Implicit destructor) |
| // CHECK-NEXT: T: break; |
| // CHECK: 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: [B4 (ENTRY)] |
| // CHECK-NEXT: Succs (1): B2 |
| // CHECK: [B1] |
| // CHECK-NEXT: 1: [B2.6].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: [B2.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (2): B3 B2 |
| // CHECK-NEXT: Succs (1): B0 |
| // CHECK: [B2] |
| // CHECK-NEXT: 1: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 2: A a; |
| // CHECK-NEXT: 3: a |
| // CHECK-NEXT: 4: [B2.3] (ImplicitCastExpr, NoOp, const class A) |
| // CHECK-NEXT: 5: [B2.4] (CXXConstructExpr, class A) |
| // CHECK-NEXT: 6: A b = a; |
| // CHECK-NEXT: 7: b |
| // CHECK-NEXT: 8: [B2.7] (ImplicitCastExpr, NoOp, const class A) |
| // CHECK-NEXT: 9: [B2.8].operator int |
| // CHECK: 10: [B2.8] |
| // CHECK: 11: [B2.10] (ImplicitCastExpr, UserDefinedConversion, int) |
| // CHECK-NEXT: T: switch [B2.11] |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: Succs (1): B1 |
| // CHECK: [B0 (EXIT)] |
| // CHECK-NEXT: Preds (1): B1 |
| void test_switch_implicit_scope() { |
| A a; |
| switch (A b = a) |
| A c; |
| } |
| |
| // CHECK: [B9 (ENTRY)] |
| // CHECK-NEXT: Succs (1): B2 |
| // CHECK: [B1] |
| // CHECK-NEXT: 1: [B2.6].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 3: A g; |
| // CHECK-NEXT: 4: [B1.3].~A() (Implicit destructor) |
| // CHECK-NEXT: 5: [B2.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (3): B3 B7 B2 |
| // CHECK-NEXT: Succs (1): B0 |
| // CHECK: [B2] |
| // CHECK-NEXT: 1: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 2: A a; |
| // CHECK-NEXT: 3: a |
| // CHECK-NEXT: 4: [B2.3] (ImplicitCastExpr, NoOp, const class A) |
| // CHECK-NEXT: 5: [B2.4] (CXXConstructExpr, class A) |
| // CHECK-NEXT: 6: A b = a; |
| // CHECK-NEXT: 7: b |
| // CHECK-NEXT: 8: [B2.7] (ImplicitCastExpr, NoOp, const class A) |
| // CHECK-NEXT: 9: [B2.8].operator int |
| // CHECK: 10: [B2.8] |
| // CHECK: 11: [B2.10] (ImplicitCastExpr, UserDefinedConversion, int) |
| // CHECK-NEXT: T: switch [B2.11] |
| // CHECK-NEXT: Preds (1): B9 |
| // CHECK-NEXT: Succs (3): B3 B8 B1 |
| // CHECK: [B3] |
| // CHECK: case 1: |
| // CHECK-NEXT: T: break; |
| // CHECK: Preds (2): B2 B4 |
| // CHECK-NEXT: Succs (1): B1 |
| // CHECK: [B4] |
| // CHECK-NEXT: 1: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 2: A f; |
| // CHECK-NEXT: 3: [B4.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B8.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B6 |
| // CHECK-NEXT: Succs (1): B3 |
| // CHECK: [B5] |
| // CHECK-NEXT: 1: return; |
| // CHECK-NEXT: 2: [B8.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 3: [B2.6].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B2.2].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B6 |
| // CHECK-NEXT: Succs (1): B0 |
| // CHECK: [B6] |
| // CHECK-NEXT: 1: UV |
| // CHECK-NEXT: 2: [B6.1] (ImplicitCastExpr, LValueToRValue, _Bool) |
| // CHECK-NEXT: T: if [B6.2] |
| // CHECK-NEXT: Preds (1): B8 |
| // CHECK-NEXT: Succs (2): B5 B4 |
| // CHECK: [B7] |
| // CHECK-NEXT: 1: [B8.2].~A() (Implicit destructor) |
| // CHECK-NEXT: T: break; |
| // CHECK: Preds (1): B8 |
| // CHECK-NEXT: Succs (1): B1 |
| // CHECK: [B8] |
| // CHECK: case 0: |
| // CHECK-NEXT: 1: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 2: A c; |
| // CHECK-NEXT: 3: UV |
| // CHECK-NEXT: 4: [B8.3] (ImplicitCastExpr, LValueToRValue, _Bool) |
| // CHECK-NEXT: T: if [B8.4] |
| // CHECK-NEXT: Preds (1): B2 |
| // CHECK-NEXT: Succs (2): B7 B6 |
| // CHECK: [B0 (EXIT)] |
| // CHECK-NEXT: Preds (2): B1 B5 |
| void test_switch_jumps() { |
| A a; |
| switch (A b = a) { |
| case 0: { |
| A c; |
| if (UV) break; |
| if (UV) return; |
| A f; |
| } |
| case 1: |
| break; |
| } |
| A g; |
| } |
| |
| // CHECK: [B6 (ENTRY)] |
| // CHECK-NEXT: Succs (1): B5 |
| // CHECK: [B1] |
| // CHECK-NEXT: 1: [B4.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: [B5.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B4.4].~A() (Implicit destructor) |
| // 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: 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 2: [B11.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 3: (CXXConstructExpr, class A) |
| // CHECK-NEXT: 4: A f; |
| // CHECK-NEXT: 5: [B1.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 6: [B11.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B9.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 5: [B10.4].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B5 |
| // CHECK-NEXT: Succs (1): B2 |
| // CHECK: [B4] |
| // CHECK-NEXT: 1: return; |
| // CHECK-NEXT: 2: [B9.2].~A() (Implicit destructor) |
| // CHECK-NEXT: 3: [B10.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 4: [B11.4].~A() (Implicit destructor) |
| // CHECK-NEXT: 5: [B11.2].~A() (Implicit destructor) |
| // 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].~A() (Implicit destructor) |
| // CHECK-NEXT: T: continue; |
| // CHECK: 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].~A() (Implicit destructor) |
| // CHECK-NEXT: T: break; |
| // CHECK: 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: 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: [B3 (ENTRY)] |
| // CHECK-NEXT: Succs (1): B0 |
| // CHECK: [B1] |
| // CHECK-NEXT: T: try ... |
| // CHECK-NEXT: Succs (2): B2 B0 |
| // CHECK: [B2] |
| // CHECK-NEXT: catch (const A &e): |
| // CHECK-NEXT: 1: catch (const A &e) { |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Preds (1): B1 |
| // CHECK-NEXT: Succs (1): B0 |
| // CHECK: [B0 (EXIT)] |
| // CHECK-NEXT: Preds (3): B2 B1 B3 |
| void test_catch_const_ref() { |
| try { |
| } catch (const A& e) { |
| } |
| } |
| |
| // CHECK: [B3 (ENTRY)] |
| // CHECK-NEXT: Succs (1): B0 |
| // CHECK: [B1] |
| // CHECK-NEXT: T: try ... |
| // CHECK-NEXT: Succs (2): B2 B0 |
| // CHECK: [B2] |
| // CHECK-NEXT: catch (A e): |
| // CHECK-NEXT: 1: catch (A e) { |
| // CHECK-NEXT: } |
| // CHECK-NEXT: 2: [B2.1].~A() (Implicit destructor) |
| // CHECK-NEXT: Preds (1): B1 |
| // CHECK-NEXT: Succs (1): B0 |
| // CHECK: [B0 (EXIT)] |
| // CHECK-NEXT: Preds (3): B2 B1 B3 |
| void test_catch_copy() { |
| try { |
| } catch (A e) { |
| } |
| } |