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path: root/include/clang/StaticAnalyzer/Core/PathSensitive
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2011-03-11Add support for the OpenCL vec_step operator, by generalising andPeter Collingbourne
extending the existing support for sizeof and alignof. Original patch by Guy Benyei. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127475 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08static analyzer: Fix use-after-free bug in RegionStore involving ↵Ted Kremenek
LazyCompoundValueData not reference counting Store objects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127288 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Move some of the logic about classifying Objective-C methods intoJohn McCall
conventional categories into Basic and AST. Update the self-init checker to use this logic; CFRefCountChecker is complicated enough that I didn't want to touch it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126817 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01In preparation for fixing PR 6884, rework CFGElement to have getAs<> return ↵Ted Kremenek
pointers instead of fresh CFGElements. - Also, consoldiate getDtorKind() and getKind() into one "kind". - Add empty getDestructorDecl() method to CFGImplicitDtor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126738 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01[analyzer] Remove SVal::getAsVarDecl() and reason about MemRegions, not ↵Argyrios Kyrtzidis
Decls. Suggestion by Ted! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126734 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01[analyzer] Rename CheckerV2 -> Checker.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126726 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01[analyzer] Remove Checker V1.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126725 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01[analyzer] Remove checker V1 registration and running from ExprEngine.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126724 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01Improves the coding style in SValBuilder. This patch:Zhanyong Wan
- renames evalCastNL and evalCastL to evalCastFromNonLoc and evalCastFromLoc (avoid abbreviations that aren't well known). - makes all function parameter names start with a lower case letter for consistency and distinction from member variables. - avoids abbreviations in function parameter names. Reviewed by kremenek@apple.com. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126722 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-28[analyzer] Introduce SVal::getAsVarDecl().Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126627 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24[analyzer] Migrate ArrayBoundChecker to CheckerV2.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126371 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23[analyzer] Refactor EndOfFunctionNodeBuilder.Argyrios Kyrtzidis
-Introduce EndOfFunctionNodeBuilder::withCheckerTag to allow it be "specialized" with a checker tag and not require the checkers to pass a tag. -For EndOfFunctionNodeBuilder::generateNode, reverse the order of tag/P parameters since there are actual calls that assume the second parameter is ExplodedNode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126332 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22[analyzer] Start moving the path-sensitive checkers to CheckerV2.Argyrios Kyrtzidis
-Migrate ObjCSelfInitChecker to CheckerV2. In the process remove the 'preCallSelfFlags' field from the checker class and use GRState for storing that info. -Get ExprEngine to start delegating checker running to CheckerManager. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126229 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22[analyzer] Separate CheckerContext into its own include file. No ↵Argyrios Kyrtzidis
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126228 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22[analyzer] Fix GRStatePartialTrait<bool> and introduce ↵Argyrios Kyrtzidis
GRStatePartialTrait<unsigned>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126227 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-19Change 'StoreRef' back to 'Store' in GRState, shrinking the size of GRState ↵Ted Kremenek
back by one pointer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126020 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-19[analyzer] Fix crash when analyzing C++ code.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126013 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-19Add 'StoreRef' smart pointer to allow more fine-grain memory lifetime ↵Ted Kremenek
control of Store objects. This yields a minor memory reduction (for larger functions) on Sqlite at the cost of slightly higher memory usage on some functions because of the increased size of GRState (which can be optimized). I expect the real memory savings from this enhancement will come when we aggressively canabilize more of the ExplodedGraph. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126012 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18[analyzer] Fix a crash when analyzing C++ code.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125958 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17Step #1/N of implementing support for __label__: split labels intoChris Lattner
LabelDecl and LabelStmt. There is a 1-1 correspondence between the two, but this simplifies a bunch of code by itself. This is because labels are the only place where we previously had references to random other statements, causing grief for AST serialization and other stuff. This does cause one regression (attr(unused) doesn't silence unused label warnings) which I'll address next. This does fix some minor bugs: 1. "The only valid attribute " diagnostic was capitalized. 2. Various diagnostics printed as ''labelname'' instead of 'labelname' 3. This reduces duplication of label checking between functions and blocks. Review appreciated, particularly for the cindex and template bits. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125733 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16Makes most methods in SVals.h conform to the naming guide. ReviewedZhanyong Wan
by kremenek. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125687 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-14[analyzer] Overhauling of the checker registration mechanism.Argyrios Kyrtzidis
-Checkers will be defined in the tablegen file 'Checkers.td'. -Apart from checkers, we can define checker "packages" that will contain a collection of checkers. -Checkers can be enabled with -analyzer-checker=<name> and disabled with -analyzer-disable-checker=<name> e.g: Enable checkers from 'cocoa' and 'corefoundation' packages except the self-initialization checker: -analyzer-checker=cocoa -analyzer-checker=corefoundation -analyzer-disable-checker=cocoa.SelfInit -Introduces CheckerManager and CheckerProvider. CheckerProviders get the set of checker names to enable/disable and register them with the CheckerManager which will be the entry point for all checker-related functionality. Currently only the self-initialization checker takes advantage of the new mechanism. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125503 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-13Give some convenient idiomatic accessors to Stmt::child_range andJohn McCall
Stmt::const_child_range, then make a bunch of places use them instead of the individual iterator accessors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-12Weaken the ObjCSelfInitChecker to only warn when one calls an 'init' method ↵Ted Kremenek
within an 'init' method. This is a temporary stop gap to avoid false positives while we investigate how to make it smarter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125427 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-11Rename 'InvalidateRegions()' to 'invalidateRegions()'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125395 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-11Allow the 'Eng' entry in GRStateManager to be a (possibly null) pointer ↵Ted Kremenek
instead of a reference. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125362 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-10static analyzer: Make GRStates reference counted, with reference counts ↵Ted Kremenek
managed by ExplodedNodes. This reduces memory usage of the analyzer on sqlite by another 5%. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125260 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-10Split 'include/clang/StaticAnalyzer' into ↵Ted Kremenek
'include/clang/StaticAnalyzer/Core' and 'include/clang/StaticAnalyzer/Checkers'. This layout matches lib/StaticAnalyzer, which corresponds to two StaticAnalyzer libraries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125251 91177308-0d34-0410-b5e6-96231b3b80d8
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