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2008-05-01Added ziperr as a panic function. Eventually inter-procedural analysisTed Kremenek
should catch this one easily. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50526 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01When processing "release", "retain", and "autorelease" messages return theTed Kremenek
lval passed as an argument. Fix: Inverted diagnostic messages. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50513 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01Added support for "autorelease" message in CF ref. count checker.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50512 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01Extend InitListExpr API/IMPL to support arbitrary add/remove (in support of ↵Steve Naroff
the initializer rewrite I am doing). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50511 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01More ObjC2 property semantics work. Work in progress.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50508 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30added preliminary diagnostics in scan-build results to denote whetherTed Kremenek
a CF memory leak occurred with GC enabled, etc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50507 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30More cleanups with ObjCQualifiedIdType in the static analyzer.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50503 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Add placeholder code in the static analyzer for MemberExprs involving struct ↵Ted Kremenek
temporaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50502 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Add workaround for __builtin_offsetof in the static analyzer.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50500 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Provide SizeOfAlignTypeExpr workaround in the static analyzer for taking the ↵Ted Kremenek
sizeof of a ObjCInterfaceType. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50499 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Support implicit casts from pointers to references.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50498 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30When creating LVals for array entries, canonicalize entries with a 0 index.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50497 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Teach more of the static analyzer about ObjCQualifiedIdType.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50494 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Teach the static analysis engine about ObjCQualifiedIdType.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50493 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Add conjured symbols for decl initializations.Ted Kremenek
Add db_error as panic function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50489 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Handle lval::ArrayOffset and lval::FieldOffset in EvalNE and EvalEQ.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50486 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Verify the whole module after codegen to catch silly IR bugs.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50485 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30fix 'var unused' warning.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50484 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30Invalidate old subexpression bindings when binding UnknownVal.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50466 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29Simplify RemoveDeadBindings.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50458 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29Add lval::ArrayOffset, which represent the locations of entries in an array.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50453 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29Default visbility for instance variables is protected.Fariborz Jahanian
Patch by Emerson Murhpy-Hill. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50452 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29Added lval::FieldOffset, which represents symbolic lvalues for field offsets ↵Ted Kremenek
from other Lvalues. This removes the failure in null-deref-ps.c (test suite). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50449 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29Major rewrite/refactoring of static analysis engine. We now useTed Kremenek
EvalStore/EvalLoad to handle all loads/stores from symbolic memory, allowing us to do checks for null dereferences, etc., at any arbitrary load/store (these were missed checks before). This also resulted in some major cleanups, some conceptual, and others just in the structure of the code. This temporarily introduces a regression in the test suite (null-deref-ps.c) before I add a new LVal type for structure fields. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50443 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29Update typestate logic to support GC-mode.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50396 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29Implement semantics of CFMakeCollectable for the CF-reference count checker.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50395 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29Provide the option to run the CF-retain checker in GC enabled mode.Ted Kremenek
The transfer functions for the checker don't do anything special yet in GC mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50394 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29Add -fobjc-gc and -fobjc-gc-only options to the driver.Ted Kremenek
Add corresponding enum in LangOptions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50387 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-28Bug fix in CFG::getBlockEdgeImpl(): Use a BumpPtrAllocator to allocateTed Kremenek
std::pair<CFGBlock*, CFGBlock*> that have an 8-byte alignment for use with ProgramPoint. This fixes a bug reported by Argiris where using std::set<> on Windows would result in a 4-byte alignment, not an 8-byte alignment. Fixes: <rdar://problem/5892265> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50364 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-27Call ExitScope before ActOnFinishNamespaceDef.Argyrios Kyrtzidis
This is the same for functions and it's preferable to have the namespace as DeclContext during ActOnPopScope. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50322 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-27Parsing of namespaces:Argyrios Kyrtzidis
-NamespaceDecl for the AST -Checks for name clashes between namespaces and tag/normal declarations. This commit doesn't implement proper name lookup for namespaces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50321 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-27Use PushOnScopeChains to introduce a decl into scope.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50320 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-26Make assertions for all addresses passed to ProgramPoint that they have at ↵Argyrios Kyrtzidis
least an 8-byte alignment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50310 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25Fix bug in BugReporter where we didn't handle emitting diagnostics forTed Kremenek
empty CFGBlocks that only contained a terminator. Added improved diagnostics for break and continue statements and default branches in switch statements. This fixes <rdar://problem/5889244>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50286 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25remove the 'unused static' diagnostic from codegen. This should be Chris Lattner
reimplemented in Sema someday. This is tracked in PR2236. Until then disabling it removes some bogus diagnostics (see 2236). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50263 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25initial support for recognizing __transparent_union__ attributesNuno Lopes
comments on the ML will follow git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50262 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25Handle dereferences of function pointers (which return a handle to the ↵Ted Kremenek
function). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50246 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25Don't abort on GetRVal when the LVal is a StringLiteralVal.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50245 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25Don't emit empty strings for path diagnostics when taking the default branch ↵Ted Kremenek
of a switch statement that has no label. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50242 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25Do a better job at computing dead symbols.Ted Kremenek
Implemented support for better localized leaks in the CF reference count checker. Now leaks should be flagged close to where they occur. This should implement the desired functionality in <rdar://problem/5879592>, although the diagnostics still need to be improved. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50241 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24Add preliminary support for flagging leaks around when they happen (doesn't ↵Ted Kremenek
work yet). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50237 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24More boilerplate for handling specialized-transfer function logic for dead ↵Ted Kremenek
symbols. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50233 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24Patch to diagnose inconsistancies between properties declared in current andFariborz Jahanian
its super class. This patch is incomplete. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50228 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24Added initial boilerplate in GRExprEngine to allow checker-specific transferTed Kremenek
function logic to act when symbols become dead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50221 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24CF reference count checker: handle variadic functions that allocate CF objects.Ted Kremenek
This fixes <rdar://problem/5886141>. Part of this change resulted in creating sparser summaries. I also added some more comments and did some minor code cleanups. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50214 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24Have ValidateOutputConstraint return false instead of firing an assertionTed Kremenek
when processing a constraint we don't understand. This allows the frontend to gracefully fail. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50213 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23For case statements involving enums, BugReporter now generates PathDiagnosticsTed Kremenek
that say that we are jumping to "case a" instead of "case 0". This is a feature implementation for <rdar://problem/5880430>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50197 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23Fix minor regression in bug report generation.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50195 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23When building PathDiagnostics for bug reports, generate a trimmed ↵Ted Kremenek
ExplodedGraph with a single path that BugReport objects can safely walk and introspect. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50194 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23Fixed: <rdar://problem/5881148>Ted Kremenek
Problem: In the recently refactored VisitDeref (which processes dereferences), we were incorrectly skipping the node just generated for the subexpression of the dereference. This was a horrible regression. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50176 91177308-0d34-0410-b5e6-96231b3b80d8
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