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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122420 91177308-0d34-0410-b5e6-96231b3b80d8
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implicit lvalue-to-rvalue casts that John McCall
recently introduced. This causes a whole bunch
of logic in the analyzer for handling lvalues
to vanish. It does, however, raise a few issues
in the analyzer w.r.t to modeling various constructs
(e.g., field accesses to compound literals).
The .c/.m analysis test cases that fail are
due to a missing lvalue-to-rvalue cast that
will get introduced into the AST. The .cpp
failures were more than I could investigate in
one go, and the patch was already getting huge.
I have XFAILED some of these tests, and they
should obviously be further investigated.
Some highlights of this patch include:
- CFG no longer requires an lvalue bit for
CFGElements
- StackFrameContext doesn't need an 'asLValue'
flag
- The "VisitLValue" path from GRExprEngine has
been eliminated.
Besides the test case failures (XFAILed), there
are surely other bugs that are fallout from
this change.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121960 91177308-0d34-0410-b5e6-96231b3b80d8
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for simple C functions, not
all CallExprs (including CXXMemberCallExpr, etc.). Now the generic handler for all CallExprs is [Pre,Post]VisitGenericCallExpr.
Also add [Pre,Post]Visit hooks for CXXMemberCallExpr.
Change GRExprEngine::VisitCXXMemberCallExpr() to do pre/post checker visits of the call.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115119 91177308-0d34-0410-b5e6-96231b3b80d8
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for checkers).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113572 91177308-0d34-0410-b5e6-96231b3b80d8
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appropriately. Call out a few missing cases in the expression mangler.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95176 91177308-0d34-0410-b5e6-96231b3b80d8
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(1) libAnalysis is a generic analysis library that can be used by
Sema. It defines the CFG, basic dataflow analysis primitives, and
inexpensive flow-sensitive analyses (e.g. LiveVariables).
(2) libChecker contains the guts of the static analyzer, incuding the
path-sensitive analysis engine and domain-specific checks.
Now any clients that want to use the frontend to build their own tools
don't need to link in the entire static analyzer.
This change exposes various obvious cleanups that can be made to the
layout of files and headers in libChecker. More changes pending. :)
This change also exposed a layering violation between AnalysisContext
and MemRegion. BlockInvocationContext shouldn't explicitly know about
BlockDataRegions. For now I've removed the BlockDataRegion* from
BlockInvocationContext (removing context-sensitivity; although this
wasn't used yet). We need to have a better way to extend
BlockInvocationContext (and any LocationContext) to add
context-sensitivty.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94406 91177308-0d34-0410-b5e6-96231b3b80d8
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