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Summary:
Change the namespace for llvm checkers from 'llvm' to
'llvm_check', and modify add_new_check.py and rename_check.py to
support the new namespace. Checker, file, and directory names remain
unchanged.
Used new version of rename_check.py to make the change in existing
llvm checkers, but had to fix LLVMTidyModule.cpp and
LLVMModuleTest.cpp by hand.
The changes made by rename_check.py are idempotent, so if accidentally
run multiple times, it won't do anything.
Reviewed By: aaron.ballman
Tags: #clang, #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D60629
llvm-svn: 360450
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Summary:
Looks at conditionals and finds cases of ``cast<>``, which will
assert rather than return a null pointer, and ``dyn_cast<>`` where
the return value is not captured. Additionally, finds cases that
match the pattern ``var.foo() && isa<X>(var.foo())``, where the
method is called twice and could be expensive.
.. code-block:: c++
// Finds cases like these:
if (auto x = cast<X>(y)) <...>
if (cast<X>(y)) <...>
// But not cases like these:
if (auto f = cast<Z>(y)->foo()) <...>
if (cast<Z>(y)->foo()) <...>
Reviewers: alexfh, rjmccall, hokein, aaron.ballman, JonasToth
Reviewed By: aaron.ballman
Subscribers: xbolva00, Eugene.Zelenko, mgorny, xazax.hun, cfe-commits
Tags: #clang-tools-extra, #clang
Differential Revision: https://reviews.llvm.org/D59802
llvm-svn: 359142
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