mirror of
https://github.com/Gericom/teak-llvm.git
synced 2025-06-24 05:55:43 -04:00
184c6242fa
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952. Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits Differential Revision: https://reviews.llvm.org/D30373 llvm-svn: 296895
18 lines
484 B
C
18 lines
484 B
C
// RUN: %clang_analyze_cc1 -analyzer-checker=core -analyzer-store=region -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}}
|
|
}
|