blob: eed3ed44f33120b9e37fbfc8b5c07d1aa9a5a08f [file] [log] [blame]
// RUN: clang -analyze -checker-simple -analyzer-store=basic -analyzer-constraints=basic -verify %s &&
// RUN: clang -analyze -checker-cfref -analyzer-store=basic -analyzer-constraints=basic -verify %s &&
// RUN: clang -analyze -checker-cfref -analyzer-store=basic -analyzer-constraints=range -verify %s &&
// RUN: clang -analyze -checker-cfref -analyzer-store=region -analyzer-constraints=basic -verify %s &&
// RUN: clang -analyze -checker-cfref -analyzer-store=region -analyzer-constraints=range -verify %s
#include <stdint.h>
int f1(int * p) {
// This branch should be infeasible
// because __imag__ p is 0.
if (!p && __imag__ (intptr_t) p)
*p = 1; // no-warning
// If p != 0 then this branch is feasible; otherwise it is not.
if (__real__ (intptr_t) p)
*p = 1; // no-warning
*p = 2; // expected-warning{{Dereference of null pointer}}
}