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2009-05-09Rename:Zhongxing Xu
SymbolRegionRValue => SymbolRegionValue SymExpr::RegionRValue => SymExpr::RegionValueKind git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71322 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-09As discussed with Ted, rename TypedRegion::getObjectType() to Zhongxing Xu
TypedRegion::getValueType(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71321 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-09Add back analyzer support for ns_returns_retained and cf_returns_retained.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71309 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-09It lives! The retain/release checker now tracks objects that are sentTed Kremenek
'autorelease'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71307 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-09rename: MemRegion:Zhongxing Xu
RValueType => ObjectType LValueType => LocationType No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71304 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-09More hacking on autorelease errors. We now can emit basic errors (disabled forTed Kremenek
now until ready). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71303 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-09Put most of the boilerplate logic in place for reporting autorelease errors.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71301 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08retain/release checker: Add stub for HandleAutoreleaseCounts.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71290 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08Fix PR4182.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71288 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08retain/release checker: Refactor error-reporting code in EvalDeadSymbols andTed Kremenek
EvalEndPath. This sets the stage for handling autorelease counts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71283 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08Make BlockEntrace program points taggable.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71280 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08retain checker: Track the number of times a tracked object is sentTed Kremenek
'autorelease'. This isn't used yet to flag errors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71244 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08Remove experimental ownership attributes from Clang.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71216 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08Region store: when casting VarRegions, if the cast-to pointee type is Zhongxing Xu
incomplete, do not compute its size and return the original region. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71213 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08Replace the heuristic isSmallerThan with ASTContext::getTypeSize().Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71206 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08Replace getTypeWidth() with ASTContext::getTypeSize().Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71205 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08Revert r71079.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71202 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-08Fix <rdar://problem/6845148>. Signed integers compared against pointers shouldTed Kremenek
implicitly be changed to unsigned values in GRSimpleVals.cpp. This can happen when the comparison involves logic in specialized transfer functions (e.g., OSAtomicCompareAndSwap). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71200 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-07Minor code cleanup in retain/release checker in preparation for someTed Kremenek
other changes. Instead of repeatedly checking for GC mode when getting the return effect, just do this computation once. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71193 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-07More attribute renaming:Ted Kremenek
- Rename 'ns_returns_owned' -> 'ns_returns_retained'. - Rename 'cf_returns_owned' -> 'cf_returns_retained'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71182 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-07analyzer: Add ProgramPoint 'PostLValue' just to distinguish (forTed Kremenek
analysis introspection) when we computed an lvalue. This shouldn't effect the current analysis results in any way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71169 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-07Add preliminary support for enhancing null-pointer dereference diagnostics.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71135 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06Refactor BugReporter interface to have a new 'BugReporterContext' andTed Kremenek
'BugReporterVisitor'. This simplifies callbacks from BugReporter to BugReports (via VisitNode). It also lays the foundation for arbitrary visitor "call backs" that can be registered to a BugReporterContext as a PathDiagnostic is constructed. These call backs can help operate as separate "experts" that can work on constructed pieces of a PathDiagnostic for which they possess special knowledge. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71121 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06Fix analyzer regression reported in PR 4164:Ted Kremenek
- Update the old StoreManager::CastRegion to strip off 'ElementRegions' when casting to void* (Zhongxing: please validate) - Pass-by-reference argument invalidation logic in CFRefCount.cpp: - Strip ElementRegions when the ElementRegion is just a 'raw data' view on top of the underlying typed region. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71094 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06Improve RegionStoreManager::getSizeInElements()Zhongxing Xu
- add a static function getTypeWidth(), which computes the width of a type with the help of TargetInfo. - no-outofbounds.c now passes for region store. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71080 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06Add a GDM for recording the cast type of regions.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71076 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06The super region of ElementRegion no longer needs to be TypedRegion. In theZhongxing Xu
future we would create ElementRegion directly on top of typeless regions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71075 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06Implement a heuristic type size comparison method for now.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71074 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06remove commented code.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71060 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06Make StoreManager::CastRegion() virtual and implement a new CastRegion() forZhongxing Xu
RegionStore. This CastRegion() performs casts according to the kind of the region being cast instead of the type that is cast to. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71058 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05BugReporter (extensive diagnostics): improve location context generation for theTed Kremenek
start of 'do' and '@synchronized' statements. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71038 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05BugReporter (extensive diagnostics): Fix getEnclosingStmtLocation to reasonTed Kremenek
about Exprs that are not consumed and fix where the loop iteration diagnostic goes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71027 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Implement attribute 'ns_autorelease'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Implement attribute 'cf_returns_owned' (mirrors 'ns_returns_owned').Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70952 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Fix unused variable warningTed Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70946 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Remove possibly incorrect assertion that doesn't matter.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70943 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Remove experimental attribute 'ns_ownership_make_collectable.'Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70940 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Rename attributes 'objc_ownership...' to 'ns_ownership...'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70897 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04BugReporter (extensive diagnostics): don't mark location contexts that areTed Kremenek
control-flow expressions as dead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70887 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Fix false positive null dereference by unifying code paths in GRSimpleVals forTed Kremenek
'==' and '!=' (some code in the '!=' was not replicated in the '==' code, causing some constraints to get lost). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70885 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Rename attributes:Ted Kremenek
'objc_ownership_cfretain' -> 'cf_ownership_retain' 'objc_ownership_cfrelease' -> 'cf_ownership_release' Motivation: Core Foundation objects can be used in isolation from Objective-C, and this forces users to reason about the separate semantics of CF objects. More Sema support pending. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70884 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04retain checker: Add checker support for FunctionDecl ownership annotations. ↵Ted Kremenek
Need to add Sema support. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70873 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04retain checker: Pull out logic for parameter annotations into aTed Kremenek
separate method. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70870 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04retain checker: Don't treat function's declared in macros differently.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70869 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Add array index assertion: BasicStore should not expect any fancyTed Kremenek
ElementRegions that have non-zero array indices. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70867 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Rename 'makeZeroIndex' to 'makeZeroArrayIndex'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70865 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Zhongxing already implemented this FIXME.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70864 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04array indexes are unsigned integers of the same width as pointer.Zhongxing Xu
no-outofbounds.c still fails. Previously it passed because the array index is mistakenly a loc::ConcreteInt. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70844 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04BasicStore: 'ElementRegion' is the new 'TypedViewRegion'.Ted Kremenek
StoreManager: Handle casts from one element region to another. Update test cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70836 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04Handle 'long x = 0; char *y = (char *) x;' by layering anTed Kremenek
'ElementRegion' on top of the VarRegion for 'x'. This causes the test case xfail_wine_crash.c to now pass for BasicStoreManager. It doesn't crash for RegionStoreManager either, but reports a bogus unintialized value warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70832 91177308-0d34-0410-b5e6-96231b3b80d8
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