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This improves our handling of dynamic_cast and devirtualization for
objects allocated by 'new'.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180051 91177308-0d34-0410-b5e6-96231b3b80d8
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type.
This addresses a case when we inline a wrong method due to incorrect
dynamic type inference. Specifically, when user code contains a method from init
family, which creates an instance of another class.
Use hasRelatedResultType() to find out if our inference rules should be triggered.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176054 91177308-0d34-0410-b5e6-96231b3b80d8
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uncovered.
This required manually correcting all of the incorrect main-module
headers I could find, and running the new llvm/utils/sort_includes.py
script over the files.
I also manually added quite a few missing headers that were uncovered by
shuffling the order or moving headers up to be main-module-headers.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169237 91177308-0d34-0410-b5e6-96231b3b80d8
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These are CallEvent-equivalents of helpers already accessible in
CheckerContext, as part of making it easier for new checkers to be written
using CallEvent rather than raw CallExprs.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167338 91177308-0d34-0410-b5e6-96231b3b80d8
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CXXDestructorCall now has a flag for when it is a base destructor call.
Other kinds of destructor calls (locals, fields, temporaries, and 'delete')
all behave as "whole-object" destructors and do not behave differently
from one another (specifically, in these cases we /should/ try to
devirtualize a call to a virtual destructor).
This was causing crashes in both our internal buildbot, the crash still
being tracked in PR13765, and some of the crashes being tracked in PR13763,
due to a assertion failure. (The behavior under -Asserts happened to be
correct anyway.)
Adding this knowledge also allows our DynamicTypePropagation checker to do
a bit less work; the special rules about virtual method calls during a
destructor only require extra handling during base destructors.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163348 91177308-0d34-0410-b5e6-96231b3b80d8
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This is the other half of C++11 [class.cdtor]p4 (the destructor side
was added in r161915). This also fixes an issue with post-call checks
where the 'this' value was already being cleaned out of the state, thus
being omitted from a reconstructed CXXConstructorCall.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161981 91177308-0d34-0410-b5e6-96231b3b80d8
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C++11 [class.cdtor]p4: When a virtual function is called directly or
indirectly from a constructor or from a destructor, including during
the construction or destruction of the class’s non-static data members,
and the object to which the call applies is the object under
construction or destruction, the function called is the final overrider
in the constructor's or destructor's class and not one overriding it in
a more-derived class.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161915 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161819 91177308-0d34-0410-b5e6-96231b3b80d8
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When object is allocated with alloc or init, we assume it cannot be a
subclass (currently used only for bifurcation purposes).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161682 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161617 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161391 91177308-0d34-0410-b5e6-96231b3b80d8
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I currently have a bit of redundancy with the cast kind switch statement
inside the ImplicitCast callback, but I might be adding more casts going
forward.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161358 91177308-0d34-0410-b5e6-96231b3b80d8
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Instead of sprinkling dynamic type info propagation throughout
ExprEngine, the added checker would add the more precise type
information on known APIs (Ex: ObjC alloc, new) and propagate
the type info in other cases (ex: ObjC init method, casts (the second is
not implemented yet)).
Add handling of ObjC alloc, new and init to the checker.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161357 91177308-0d34-0410-b5e6-96231b3b80d8
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