// RUN: %clang_cc1 -analyze -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -std=c++11 %s 2>&1 | FileCheck %s // CHECK: ENTRY // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK: Succs (21): B2 B3 B4 B5 B6 B7 B8 B9 // CHECK: B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 // CHECK: B20 B21 B0 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (21): B2 B3 B4 B5 B6 B7 B8 B9 // CHECK-NEXT: B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 // CHECK-NEXT: B20 B21 B1 void checkWrap(int i) { switch(i) { case 0: break; case 1: break; case 2: break; case 3: break; case 4: break; case 5: break; case 6: break; case 7: break; case 8: break; case 9: break; case 10: break; case 11: break; case 12: break; case 13: break; case 14: break; case 15: break; case 16: break; case 17: break; case 18: break; case 19: break; } } // CHECK: ENTRY // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK-NEXT: 1: int i; // CHECK-NEXT: 2: int j; // CHECK-NEXT: 3: 1 // CHECK-NEXT: 4: int k = 1; // CHECK-NEXT: 5: int l; // CHECK-NEXT: 6: 2 // CHECK-NEXT: 7: int m = 2; // CHECK-NEXT: CXXConstructExpr // CHECK-NEXT: 9: struct standalone myStandalone; // CHECK-NEXT: CXXConstructExpr // CHECK-NEXT: 11: struct myAnon; // CHECK-NEXT: CXXConstructExpr // CHECK-NEXT: 13: struct named myNamed; // CHECK-NEXT: Preds (1): B2 // CHECK-NEXT: Succs (1): B0 void checkDeclStmts() { int i, j; int k = 1, l, m = 2; struct standalone { int x, y; }; struct standalone myStandalone; struct { int x, y; } myAnon; struct named { int x, y; } myNamed; static_assert(1, "abc"); } // CHECK: ENTRY // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK-NEXT: 1: e // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, LValueToRValue, enum EmptyE) // CHECK-NEXT: 3: [B1.2] (ImplicitCastExpr, IntegralCast, int) // CHECK-NEXT: T: switch [B1.3] // CHECK-NEXT: Preds (1): B2 // CHECK-NEXT: Succs (1): B0 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 enum EmptyE {}; void F(EmptyE e) { switch (e) {} } // CHECK: ENTRY // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK-NEXT: 1: __builtin_object_size // CHECK-NEXT: 2: [B1.1] (ImplicitCastExpr, BuiltinFnToFnPtr, unsigned long (*)(const void *, int)) // CHECK-NEXT: 3: [B1.2](dummy(), 0) // CHECK-NEXT: 4: (void)[B1.3] (CStyleCastExpr, ToVoid, void) // CHECK-NEXT: Preds (1): B2 // CHECK-NEXT: Succs (1): B0 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 void testBuiltinSize() { extern int *dummy(); (void)__builtin_object_size(dummy(), 0); } class A { public: A() {} ~A() {} }; // CHECK: [B2 (ENTRY)] // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK-NEXT: 1: (CXXConstructExpr, class A) // CHECK-NEXT: 2: new A([B1.1]) // CHECK-NEXT: 3: A *a = new A(); // CHECK-NEXT: 4: a // CHECK-NEXT: 5: [B1.4] (ImplicitCastExpr, LValueToRValue, class A *) // CHECK-NEXT: 6: [B1.5]->~A() (Implicit destructor) // CHECK-NEXT: 7: delete [B1.5] // CHECK-NEXT: Preds (1): B2 // CHECK-NEXT: Succs (1): B0 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 void test_deletedtor() { A *a = new A(); delete a; } // CHECK: [B2 (ENTRY)] // CHECK-NEXT: Succs (1): B1 // CHECK: [B1] // CHECK-NEXT: 1: 5 // CHECK-NEXT: 2: (CXXConstructExpr, class A) // CHECK-NEXT: 3: new A {{\[\[}}B1.1]] // CHECK-NEXT: 4: A *a = new A [5]; // CHECK-NEXT: 5: a // CHECK-NEXT: 6: [B1.5] (ImplicitCastExpr, LValueToRValue, class A *) // CHECK-NEXT: 7: [B1.6]->~A() (Implicit destructor) // CHECK-NEXT: 8: delete [] [B1.6] // CHECK-NEXT: Preds (1): B2 // CHECK-NEXT: Succs (1): B0 // CHECK: [B0 (EXIT)] // CHECK-NEXT: Preds (1): B1 void test_deleteArraydtor() { A *a = new A[5]; delete[] a; } namespace NoReturnSingleSuccessor { struct A { A(); ~A(); }; struct B : public A { B(); ~B() __attribute__((noreturn)); }; // CHECK: ENTRY // CHECK: 1: 1 // CHECK-NEXT: 2: return // CHECK-NEXT: ~B() (Implicit destructor) // CHECK-NEXT: Preds (1) // CHECK-NEXT: Succs (1): B0 int test1(int *x) { B b; if (x) return 1; } // CHECK: ENTRY // CHECK: 1: 1 // CHECK-NEXT: 2: return // CHECK-NEXT: destructor // CHECK-NEXT: Preds (1) // CHECK-NEXT: Succs (1): B0 int test2(int *x) { const A& a = B(); if (x) return 1; } }