Ted Kremenek a056d62961 Remove BasicConstraintManager. It hasn't been in active service for a while.
As part of this change, I discovered that a few of our tests were not testing
the RangeConstraintManager.  Luckily all of those passed when I moved them
over to use that constraint manager.

llvm-svn: 162384
2012-08-22 19:47:13 +00:00

18 lines
513 B
C

// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store=region -analyzer-constraints=range -verify -Wno-unreachable-code -ffreestanding %s
#include <stdint.h>
void 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}}
}