xref: /aosp_15_r20/external/clang/test/Analysis/method-call-intra-p.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store region -verify %s
2*67e74705SXin Li // expected-no-diagnostics
3*67e74705SXin Li 
4*67e74705SXin Li // Intra-procedural C++ tests.
5*67e74705SXin Li 
6*67e74705SXin Li // Test relaxing function call arguments invalidation to be aware of const
7*67e74705SXin Li // arguments. radar://10595327
8*67e74705SXin Li struct InvalidateArgs {
9*67e74705SXin Li   void ttt(const int &nptr);
10*67e74705SXin Li   virtual void vttt(const int *nptr);
11*67e74705SXin Li };
12*67e74705SXin Li struct ChildOfInvalidateArgs: public InvalidateArgs {
13*67e74705SXin Li   virtual void vttt(const int *nptr);
14*67e74705SXin Li };
declarationFun(int x)15*67e74705SXin Li void declarationFun(int x) {
16*67e74705SXin Li   InvalidateArgs t;
17*67e74705SXin Li   x = 3;
18*67e74705SXin Li   int y = x + 1;
19*67e74705SXin Li   int *p = 0;
20*67e74705SXin Li   t.ttt(y);
21*67e74705SXin Li   if (x == y)
22*67e74705SXin Li       y = *p; // no-warning
23*67e74705SXin Li }
virtualFun(int x)24*67e74705SXin Li void virtualFun(int x) {
25*67e74705SXin Li   ChildOfInvalidateArgs t;
26*67e74705SXin Li   InvalidateArgs *pt = &t;
27*67e74705SXin Li   x = 3;
28*67e74705SXin Li   int y = x + 1;
29*67e74705SXin Li   int *p = 0;
30*67e74705SXin Li   pt->vttt(&y);
31*67e74705SXin Li   if (x == y)
32*67e74705SXin Li       y = *p; // no-warning
33*67e74705SXin Li }
34