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* Restore Zhongxing's commits r97122 r97127 r97129 r97131 which were reverted ↵Douglas Gregor2010-02-251-0/+40
| | | | | | due to a Clang-on-Clang failure llvm-svn: 97162
* Revert patches r97122 r97127 r97129 r97131.Jakob Stoklund Olesen2010-02-251-40/+0
| | | | | | They were breaking clang-x86_64-darwin10-selfhost llvm-svn: 97138
* Move the dead bindings removal logic from CallInliner to ↵Zhongxing Xu2010-02-251-1/+15
| | | | | | GRExprEngine::ProcessCallExit(). llvm-svn: 97129
* Call inliner improvements:Zhongxing Xu2010-02-251-0/+26
| | | | | | | | | | | | | | This patch implements the CallEnter/CallExit idea of Ted. Add two interfaces to GRSubEngine: ProcessCallEnter, ProcessCallExit. The CallEnter program point uses caller's location context. The CallExit program point uses callee's location context. CallEnter is built by GRStmtNodeBuilder. CallExit is built by GREndPathNodeBuilder. llvm-svn: 97122
* Add MacOSXAPIChecker, a meta checker to include various precondition checks ↵Ted Kremenek2010-02-251-0/+1
| | | | | | | | | | | | for calls to various MacOS X functions. The checks in BasicObjCFoundationChecks.cpp will gradually be migrated here. As a first check, check that when 'dispatch_once()' is passed a predicate value that has non-local storage. llvm-svn: 97116
* Add UnixAPIChecker, a meta checker to include various precondition checks ↵Ted Kremenek2010-02-251-0/+1
| | | | | | | | | | | for calls to various unix/posix functions, e.g. 'open()'. As a first check, check that when 'open()' is passed 'O_CREAT' that it has a third argument. llvm-svn: 97086
* Add simpler checker to check if variables captured by a block are uninitialized.Ted Kremenek2010-02-161-0/+1
| | | | llvm-svn: 96341
* Convert GRExprEngine's handling of ObjCMessageExprs to use a worklistTed Kremenek2010-02-151-202/+208
| | | | | | to evaluate arguments. llvm-svn: 96293
* Revert 95541.Ted Kremenek2010-02-081-48/+46
| | | | llvm-svn: 95545
* Rename: GRState::getSVal(Stmt*) => getExprVal(),Zhongxing Xu2010-02-081-46/+48
| | | | | | GRState::getSVal(MemRegion*) => Load(). llvm-svn: 95541
* Cast evaluation no longer touch GRState.Zhongxing Xu2010-02-041-10/+7
| | | | llvm-svn: 95290
* static analyzer: handle casts of a function to a function pointer withTed Kremenek2010-02-041-0/+1
| | | | | | | | a different return type. While we don't emit any errors (yet), at least we avoid cases where we might crash because of an assertion failure later on (when the return type differs from what is expected). llvm-svn: 95268
* Fix bug in GRExprEngine::VisitSizeOfAlignOfExpr() where we do not addTed Kremenek2010-02-021-0/+2
| | | | | | | 'Pred' to 'Dst' for cases we currently don't handle. This fixes <rdar://problem/7593875>. llvm-svn: 95048
* Use getTypeAlignInChars() for alignment in VisitSizeOfAlignOfExpr().Ken Dyck2010-01-271-1/+1
| | | | llvm-svn: 94677
* Split libAnalysis into two libraries: libAnalysis and libChecker.Ted Kremenek2010-01-251-0/+3325
(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. llvm-svn: 94406
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