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// 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 <anonymous struct at {{.*}}> 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;
}
}
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