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llvm-svn: 160815
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- Some cleanup(the TODOs) will be done after ObjC method inlining is
complete.
- Simplified CallEvent::getDefinition not to require ISDynamicDispatch
parameter.
- Also addressed Jordan's comments from r160530.
llvm-svn: 160768
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llvm-svn: 160488
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As pointed out by Anna, we only differentiate between explicit message sends
This also adds support for ObjCSubscriptExprs, which are basically the same
as properties in many ways. We were already checking these, but not emitting
nice messages for them.
This depends on the llvm::PointerIntPair change in r160456.
llvm-svn: 160461
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Per Anna's comment that "add..." sounds like a method that modifies
the receiver, rather than its argument.
No functionality change.
llvm-svn: 160460
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We will need to be able to easily reconstruct a CallEvent from an ExplodedNode
for diagnostic purposes, and that's exactly what factory functions are for.
CallEvent objects are small enough (four pointers and a SourceLocation) that
returning them through the stack is fairly cheap. Clients who just need to use
existing CallEvents can continue to do so using const references.
This uses the same sort of "kind-field-dispatch" as SVal, though most of the
nastiness is contained in the DISPATCH and DISPATCH_ARG macros at the end of
the file. (We can't use a template for this because member-pointers to base
class methods don't call derived-class methods even when casting to the
derived class. We can't use variadic macros because they're a C99 feature.)
llvm-svn: 160459
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This code has been moved around multiple times, but seems to have been
obsolete ever since we started handled references like pointers.
llvm-svn: 160375
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Previously we were using the static type of the base object to inline
methods, whether virtual or non-virtual. Now, we try to see if the base
object has a known type, and if so ask for its implementation of the method.
llvm-svn: 160094
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This is probably not so useful yet because it is not path-sensitive, though
it does try to show inlining with indentation.
This also adds a dump() method to CallEvent, which should be useful for
debugging.
llvm-svn: 160030
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In order to accomplish this, we now build the callee's stack frame
as part of the CallEnter node, rather than the subsequent BlockEdge node.
This should not have any effect on perceived behavior or diagnostics.
This makes it safe to re-enable inlining of member overloaded operators.
llvm-svn: 160022
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While this work is still fairly tentative (destructors are still left out of
the CFG by default), we now handle destructors in the same way as any other
calls, instead of just automatically trying to inline them.
llvm-svn: 160020
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These are currently unused, but are intended to be used in lieu of PreStmt
and PostStmt when the call is implicit (e.g. an automatic object destructor).
This also modifies the Data1 field of ProgramPoints to allow storing any
pointer-sized value, as opposed to only aligned pointers. This is necessary
to store SourceLocations.
There is currently no BugReporter support for these; they should be skipped
over in any diagnostic output.
This commit also tags checkers that currently rely on function calls only
occurring at StmtPoints.
llvm-svn: 160019
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Our current inlining support (specifically RegionStore::enterStackFrame)
doesn't know that calls to overloaded operators may be calls to non-static
member functions, and that in these cases the first argument should be
treated as 'this'. This caused incorrect results and sometimes crashes.
The long-term fix will be to rewrite RegionStore::enterStackFrame to use
CallEvent and its subclasses, but for now we can just disable these
problematic calls by classifying them under a new CallEvent,
CXXMemberOperatorCall.
llvm-svn: 159692
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llvm-svn: 159560
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The preObjCMessage and postObjCMessage callbacks now take an ObjCMethodCall
argument, which can represent an explicit message send (ObjCMessageSend) or an
implicit message generated by a property access (ObjCPropertyAccess).
llvm-svn: 159559
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Previously, the CallEvent subclass ObjCMessageInvocation was just a wrapper
around the existing ObjCMessage abstraction (over message sends and property
accesses). Now, we have abstract CallEvent ObjCMethodCall with subclasses
ObjCMessageSend and ObjCPropertyAccess.
In addition to removing yet another wrapper object, this should make it easy
to add a ObjCSubscriptAccess call event soon.
llvm-svn: 159558
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This involved refactoring some common pointer-escapes code onto CallEvent,
then having MallocChecker use those callbacks for whether or not to consider
a pointer's /ownership/ as escaping. This still needs to be pinned down, and
probably we want to make the new argumentsMayEscape() function a little more
discerning (content invalidation vs. ownership/metadata invalidation), but
this is a good improvement.
As a bonus, also remove CallOrObjCMessage from the source completely.
llvm-svn: 159557
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This is intended to replace CallOrObjCMessage, and is eventually intended to be
used for anything that cares more about /what/ is being called than /how/ it's
being called. For example, inlining destructors should be the same as inlining
blocks, and checking __attribute__((nonnull)) should apply to the allocator
calls generated by operator new.
llvm-svn: 159554
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