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path: root/lib/StaticAnalyzer/Core/CFRefCount.cpp
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2011-09-02[analyzer] Move RetainReleaseChecker to the Checkers library and rename it ↵Jordy Rose
to RetainCountChecker...and clean up the file while I'm at it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139002 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02[analyzer] Move the knowledge of whether or not GC is enabled for the ↵Jordy Rose
current analysis from CFRefCount to ExprEngine. Remove TransferFuncs from ExprEngine and AnalysisConsumer. Demote RetainReleaseChecker to a regular checker, and give it the name osx.cocoa.RetainCount (class name change coming shortly). Update tests accordingly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138998 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-28[analyzer] Introduce a new callback for checkers, printState, to be used for ↵Jordy Rose
debug-printing the contents of a ProgramState. Unlike the other callbacks, this one is a simple virtual method, since it is only to be used for debugging. This new callback replaces the old ProgramState::Printer interface, and allows us to move the printing of refcount bindings from CFRefCount to RetainReleaseChecker. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138728 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-28[analyzer] Migrate argument invalidation from CFRefCount to ExprEngine.Jordy Rose
This is a common path for function and C++ method calls, Objective-C messages and property accesses, and C++ construct-exprs. As support, add message receiver accessors to ObjCMessage and CallOrObjCMessage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138718 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-27[analyzer] Change the check::RegionChanges callback to include the regions ↵Jordy Rose
explicitly requested for invalidation. Also, allow CallOrObjCMessage to wrap a CXXConstructExpr as well. Finally, this allows us to remove the clunky whitelisting system from CFRefCount/RetainReleaseChecker. Slight regression due to CXXNewExprs not yet being handled in post-statement callbacks (PR forthcoming). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138716 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26[analyzer] Remove a couple of unnecessary returns after llvm_unreachables.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138649 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25[analyzer] Move the leak bugs from CFRefCount to RetainReleaseChecker, with ↵Jordy Rose
a level of indirection to handle GC vs. non-GC. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138538 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25[analyzer] Move the easy bug types from CFRefCount to RetainReleaseChecker.Jordy Rose
(These bug types may have just been leaked before...!) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138532 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25[analyzer] Move the RetainSummaryManager from CFRefCount to ↵Jordy Rose
RetainReleaseChecker. Because Checkers live for an entire translation unit, this persists summary caches across multiple code bodies and avoids repeated initialization (but probably at the cost of memory). This removes the last references from RetainReleaseChecker to CFRefCount. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138529 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Better fix for the "missing return" error, from Ted.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138526 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Silence another incorrect warning ("control reaches end of ↵Jordy Rose
non-void function") git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138510 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Remove experimental FIXME that never actually applied to the code ↵Jordy Rose
in trunk. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138508 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] CFRefReport and friends no longer depend on CFRefCount.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138506 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Silence an (incorrect) uninitialized variable warning, caught by ↵Jordy Rose
Cameron. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138477 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Copy GC mode setting from CFRefCount to RetainReleaseChecker in ↵Jordy Rose
preparation for getting rid of CFRefCount. This is a little hacky for now but will get better once we decide the best way to handle this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138476 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Remove unused DoNothingByRef and the special case for ↵Jordy Rose
CFDictionaryCreate. This is a very small regression (actually introduced in r138309) because it won't catch leaks of objects passed by reference to CFDictionaryCreate (they're considered to have escaped and are ignored). If this is important we can put in a specific eval::Call to restore the functionality. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138464 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Slightly clean up the fix in 138432, so that it doesn't depend on ↵Jordy Rose
the relative ordering of path-sensitive and path-insensitive checks. Still not ideal, but I think a real fix would require infrastructure that doesn't exist yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138462 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Fix a Heisenbug concerning object lifetimes with a hack. ↵Jordy Rose
Hopefully a better fix coming soon. See comment for more details. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138432 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Reapply 138390 "Clean up unused bits of CFRefCount", reverted in ↵Jordy Rose
138405. Ended up unrelated to any problems. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138431 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Fix potential crasher with RAII. No functionality change. (No ↵Jordy Rose
test because this particular circumstance requires an impossible series of events, but this is future-proofing.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138430 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Reapply 138382 and 138388 (reverted in 138419 and 138420). The ↵Jordy Rose
issue seems to have been with the uninitialized variable fixed in 138424; a fix for another Heisencrasher coming soon. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138426 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Correctly initialize a variable and hopefully fix crashes.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138424 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Revert "[analyzer] Cleanup: Move temporary declarations of CFRefCount ↵Eric Christopher
variables closer to their uses. No functionality change." This reverts commit d02b4af7bd6ca4a743c7074d64e205d718aa221d. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138420 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Revert "[analyzer] Make CFRefBug and CFRefReportVisitor not dependent on ↵Eric Christopher
CFRefCount. Unfortunately, CFRefReport still is. No functionality change." This reverts commit e3fb7e428b7ba0d5d902dfe3f165d70e09b03a15. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138419 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Revert "[analyzer] Clean up unused bits of CFRefCount."Eric Christopher
This reverts commit 6886a92640f5bffc972f67c0a1f302d6c6e7c322. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138405 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Clean up unused bits of CFRefCount.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138390 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Make CFRefBug and CFRefReportVisitor not dependent on CFRefCount. ↵Jordy Rose
Unfortunately, CFRefReport still is. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138388 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Cleanup: Move temporary declarations of CFRefCount variables ↵Jordy Rose
closer to their uses. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138382 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Move function retain-count effect summary log from CFRefCount to ↵Jordy Rose
RetainReleaseChecker, and then explicitly provide the summary log when creating CFRefReports. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138374 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Move helper method Update from CFRefCount to ↵Jordy Rose
RetainReleaseChecker. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138370 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Move helper method handleAutoreleaseCounts from CFRefCount to ↵Jordy Rose
RetainReleaseChecker. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Move ReturnStmt retain-count analysis from CFRefCount to ↵Jordy Rose
RetainReleaseChecker. Tweak CFRefReport to reflect that fact that ReturnStmt checks are pre-statement, not post-statement. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138358 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Move symbol death leak analysis from CFRefCount to ↵Jordy Rose
RetainReleaseChecker. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138353 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Only allocate retain summaries for interesting ↵Jordy Rose
functions/messages. This is a minor saving of memory but doesn't seem to cost any performance. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138320 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] Rename CFRefCount's evalSummary method to evalCallOrMessage, ↵Jordy Rose
since it no longer, uh, evaluates call summaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138313 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-22[analyzer] Migrate the handling of retain-count-related RetEffects and ↵Jordy Rose
ArgEffects from CFRefCount to RetainReleaseChecker. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138309 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-22Static Analyzer Diagnostics: Allow checkers to add ExtraDescriptiveText, now ↵Anna Zaks
renamed into ExtraText, to the diagnostic without subclassing BugReport. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138272 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-22Clean up the CFRefBugReport - remove the members, which got moved to the ↵Anna Zaks
CFRefReportVisitors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138259 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-21[analyzer] Migrate the aliasing effects of CFRetain and CFMakeCollectable ↵Jordy Rose
from CFRefCount to RetainReleaseChecker. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138223 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-21[analyzer] Migrate return value handling from CFRefCount to ExprEngine. This ↵Jordy Rose
seems to result in a minor performance hit, but I think that will go away again once we eliminate TransferFuncs from function calls entirely. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138220 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-21[analyzer] Replace calls to getNameAsString() with StringRef equivalents.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138215 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-20[analyzer] RetainReleaseChecker always wants region change updates. There's ↵Jordy Rose
no need for a flag, at least not right now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138212 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-20Fix indentation.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138211 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-20[analyzer] Move handling of hardcoded noreturn ("panic") methods from ↵Jordy Rose
CFRefCount to NoReturnFunctionChecker. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138210 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-20Static Analyzer Diagnostics: Move the responsibility for generating the ↵Anna Zaks
endOfPath diagnostic piece from BugReport to BugReporterVisitor. Switch CFRefCount to use visitors in order to generate the endOfPath piece. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138184 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-19Static Analyzer Diagnostics: Switch CFRefCount to using the new visitor API. ↵Anna Zaks
BugReport no longer needs to inherit from BugReporterVisitor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138142 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-18Static Analyzer Diagnostics: Move custom diagnostic visitors from ↵Anna Zaks
BugReporterContext to BugReport. One API change: I added BugReporter as an additional parameter to the BugReporterVisitor::VisitNode() method to allow visitors register other visitors with the report on the fly (while processing a node). This functionality is used by NilReceiverVisitor, which registers TrackNullOrUndefValue when the receiver is null. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138001 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Remove EnhancedBugReport and RangedBugReport - pull all the extra ↵Anna Zaks
functionality they provided into their parent BugReport. The only functional changes are: made getRanges() non const - it adds default range to Ranges if none are supplied, made getStmt() private, which was another FIXME. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137894 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17[analyzer] Migrate assumption and binding handling from CFRefCount to ↵Jordy Rose
RetainReleaseChecker. This is mostly a textual move and required no supporting changes. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137874 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix a handful of dead stores found by Clang's static analyzer. There's a ↵Ted Kremenek
bunch of others I haven't touched. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137867 91177308-0d34-0410-b5e6-96231b3b80d8
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