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2009-08-08PR4700 - remove shift by 0 warningRyan Flynn
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78488 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Introduce a new PragmaPack attribute, and use it for #pragma pack. The ↵Anders Carlsson
PackedAttr now only represents __attribute__((packed)). This is necessary because #pragma pack and __attribute__((packed)) have different semantics. No functionality change yet, but this lays the groundwork for fixing a record layout bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78483 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Patch should implement packed enums - PR4098. Credit to Anders Johnsen.Edward O'Callaghan
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78471 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Get rid of Stmt::Clone now that we can reference count statements instead.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78452 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Introduce reference counting for statements and expressions, using itDouglas Gregor
to allow sharing of nodes. Simplifies some aspects of template instantiation, and fixes both PR3444 and <rdar://problem/6757457>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78450 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Add a CK_ArrayToPointerDecay cast kind.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78434 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Add CK_ToUnion and use it for aggregate expression codegen.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78429 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Just add global scope to the associated namespaces set instead of tracking itJohn McCall
separately. Add the framework (currently unfed) for finding friend declarations during argument-dependent lookup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78414 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Add rbegin and rend for virtual bases, might come in handy some day.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78412 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Add ability to generate vcall offsets for primary virtual base.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78396 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Fix some const_cast issues. This is the beginning of the rabbit hole.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78393 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07PR3333: warn when shifting by invalid amountRyan Flynn
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78385 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Separate Stmt::Destroy into the entrypoint for destroying a statementDouglas Gregor
or expression (Destroy) from the virtual function used to actually destroy a given expression (DoDestroy). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78375 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Fix a couple false positive "uninitialized value" warnings with RegionStoreTed Kremenek
involving reasoning about unions (which we don't handle yet). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78342 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Drop the friend-inner-class diagnostic from an extwarn to an ext and don'tJohn McCall
guard its report on GNUMode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78338 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Permit a class to friend its members in C++0x, without restriction.John McCall
Permit a class to friend its class members in C++ 98, as long as extensions are enabled (and even when they aren't, only give an extwarn about it). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78332 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Silence gcc warning about non-virtual destructors.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78306 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06I forgot adding this header for r78298.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78302 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Last step of template cleanup: merge *BuilderImpl to *Builder.Zhongxing Xu
Some Builders need further cleanup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78301 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Core analysis engine template cleanup step 2:Zhongxing Xu
merge GRCoreEngineImpl and GRCoreEngine. Introduce a new interface class GRSubEngine as the subengine of GRCoreEngine. GRExprEngine subclasses GRSubEngine now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78298 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Fix comment.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78296 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Core analysis engine template cleanup step 2: Zhongxing Xu
merge ExplodedGraphImpl and ExplodedGraph. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78291 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Refactor RegionStoreManager::RemoveDeadBindings to also scan the bindings of ↵Ted Kremenek
LazyCompoundSVals. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78284 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Support nested-name-specifiers for C++ member access expressions, e.g.,Douglas Gregor
this->Base::foo from James Porter! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78278 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06First pass at friend semantics.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06As GRState seems general enough, it is time to merge some template classes Zhongxing Xu
and their impl base classes. This can greatly simply some code of the core analysis engine. This patch merges ExplodedNodeImpl into ExplodedNode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78270 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Implement lazy "copying" of structures and arrays in RegionStore. WhileTed Kremenek
RegionStore already lazily abstracted the contents of arrays and structs, when doing an assignment from one array/struct to another we did an explicit element-wise copy, which resulted in a loss of laziness and huge performance problem when analyzing many code bases. Now RegionStoreManager handles such assignments using a new SVal could 'LazyCompoundSVal', which basically means the value of a given struct or array (a MemRegion*) in a specific state (GRState). When we do a load from a field whose encompassing struct binds to a LazyCompoundSVal, we essentially do a field lookup in the original structure. This means we have essentially zero copying of data for structs/arrays and everything stays lazy. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78268 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05Update for LLVM API change.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05Calculate the primary base class better and use that when laying downMike Stump
the vtable. Still a work in progress. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78252 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05Translate -mcmodel=X to -code-model X and pass it to clang-cc. Patch by ↵Benjamin Kramer
Pawel Worach! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78190 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05Add support for the -fno-omit-frame-pointer option. Patch by Roman Divacky!Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78188 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05Fix a comment that trailed offDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78167 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05Introduce the canonical type smart pointers, and use them in a few places toDouglas Gregor
tighten up the static type system. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78164 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05If the UnaryOperator has non-location type, use its type to create theZhongxing Xu
constant value. If the UnaryOperator has location type, create the constant with int type and pointer width. This fixes the bug that all pointer increments 'p++' evaluated to Unknown. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78147 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05Support for use of default argument in constructors.Fariborz Jahanian
work in progress. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78132 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-04Refactor template instantiation for types into a generic treeDouglas Gregor
transformation template (TreeTransform) that handles the transformation and reconstruction of AST nodes. Template instantiation for types is a (relatively small) customization of the generic tree transformation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78071 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-04Compare matching selectors in current andFariborz Jahanian
super class(s) and warn on any parameter type mismatch if potentially unsafe. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78029 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03Per advice that Doug Gregor gave me several months ago, clean up theTed Kremenek
implementation of '#pragma unused' by not constructing intermediate DeclRefExprs, but instead do the name lookup directly. The implementation is greatly simplified. Along the way, degrade '#pragma unused(undeclaredvariable)' to a warning instead of being a hard error. This implements: <rdar://problem/6761874> [sema] allow #pragma unused to reference undefined variable (with warning) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78019 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03Regression fix: reset 'DisplayedFunction' when a new function/method decl ↵Ted Kremenek
gets analyzed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77996 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03Refactor methods on DeclSpec to take a diagnostic& parameter, and reflect thisJohn McCall
elsewhere. Very slightly decouples DeclSpec users from knowing the exact diagnostics to report, and makes it easier to provide different diagnostics in some places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03Templatize BadSpecifier and introduce DeclSpec::getSpecifier(T) for theJohn McCall
remaining specifier enums T. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77981 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03add a bunch of routine methods to AnalysisContext.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77961 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03Tweak diagnostic wording; patch by Sean Hunt.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77955 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03now we can let AnalysisManager to own the PathDiagnosticClient.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77945 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03Create only one AnalysisManager for each translation unit. In HandleCode(),Zhongxing Xu
reset the current analysis context of the AnalysisManager. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77943 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03Add LocationContext classes to enable creation of cross function Zhongxing Xu
ProgramPoints. ProgramPoints will refer to them in the furture. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77941 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-02Produce a warning that partial ordering of function templates is not yet ↵Douglas Gregor
supported git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77928 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-02Keep track of the template arguments deduced when matching a classDouglas Gregor
template partial specialization. Then, use those template arguments when instantiating members of that class template partial specialization. Fixes PR4607. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77925 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-02Use the correct cast kind for dynamic_cast.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77905 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-02Remove RegionViews and RegionCasts. These are no longer used.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77876 91177308-0d34-0410-b5e6-96231b3b80d8
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