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5 Commits

Author SHA1 Message Date
Nithin Vadukkumchery Rajendrakumar
76c0577763 [Analyzer] Handle unique_ptr::swap() in SmartPtrModeling 
Summary:
    Implemented modeling for unique_ptr::swap() SmartPtrModeling

    Subscribers: xazax.hun, baloghadamsoftware, szepet, a.sidorin, mikhail.ramalho, Szelethus, donat.nagy, dkrupp, Charusso, martong, ASDenysPetrov, cfe-commits

    Reviewers: NoQ, Szelethus, vsavchenko, xazax.hun
    Reviewed By: NoQ, vsavchenko, xazax.hun

    Tags: #clang

    Differential Revision: https://reviews.llvm.org/D8387
 2020-07-21 12:05:27 +02:00
Nithin Vadukkumchery Rajendrakumar
a560910211 [Analyzer] Add checkRegionChanges for SmartPtrModeling 
Summary:
    Implemented checkRegionChanges for SmartPtrModeling

    Reviewers: NoQ, Szelethus, vsavchenko, xazax.hun

    Reviewed By: NoQ, vsavchenko, xazax.hun

    Subscribers: martong, cfe-commits
    Tags: #clang

    Differential Revision: https://reviews.llvm.org/D83836
 2020-07-21 01:13:40 +02:00
Nithin Vadukkumchery Rajendrakumar
20e271a98d [analyzer] Warning for default constructed unique_ptr dereference 
Summary: Add support for warning incase of default constructed unique pointer dereferences

Reviewed By: NoQ, Szelethus, vsavchenko, xazax.hun

Tags: #clang

Differential Revision: https://reviews.llvm.org/D81315
 2020-07-08 09:51:02 +02:00
Artem Dergachev
eb71c0c961 [analyzer] SmartPtrModeling: Fix a null dereference. 
Don't crash when trying to model a call in which the callee is unknown
in compile time, eg. a pointer-to-member call.

Differential Revision: https://reviews.llvm.org/D61285

llvm-svn: 359530
 2019-04-30 03:00:57 +00:00
Artem Dergachev
8c6119a442 [analyzer] PR41269: Add a bit of C++ smart pointer modeling. 
Implement cplusplus.SmartPtrModeling, a new checker that doesn't
emit any warnings but models methods of smart pointers more precisely.

For now the only thing it does is make `(bool) P` return false when `P`
is a freshly moved pointer. This addresses a false positive in the
use-after-move-checker.

Differential Revision: https://reviews.llvm.org/D60796

llvm-svn: 358944
 2019-04-23 02:45:42 +00:00