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2011-08-25objc -arse: Use DeclGroup for forward class declarations;Fariborz Jahanian
as in @class foo, bar. More cleanup to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138567 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25[driver] Do not add -kext to the link command line when compiling with Chad Rosier
-fapple-kext. Fixes <rdar://problem/10013310>. Reverts <rdar://problem/7809940>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138564 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Remove a bogus assertion from the AST reader, which assumed thatDouglas Gregor
redeclarations of a particular entity would occur in source order. Friend declarations that occur within class templates (or member classes thereof) do not follow this, nor would modules. Big thanks to Erik Verbruggen for reducing this problem from the Very Large Qt preamble testcase he found. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138557 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Use the module manager's search facility to look for methods with aDouglas Gregor
given selector, rather than walking the chain backwards. Teach its visitor how to merge multiple result sets into a single result set, combining the results of selector lookup in several different modules into a single result set. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138556 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] MacOSKeychainAPIChecker: Cleanup AllocationState structure.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138535 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Add support for Microsoft __ptr32 keyword. Francois Pichet
Patch by Chris Cudmore! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138533 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] MacOSKeychainAPIChecker: Add the custom BugReport visitor(which ↵Anna Zaks
highlights the allocation site) to all the relevant reports within the checker. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138531 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
2011-08-25blocks - capturing logic of byref block variable's expression Fariborz Jahanian
statement initializer makes safe assumption when a substatement is encounterred (with a fix me). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138528 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
2011-08-24Remove long-dead FIXMEDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138498 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Do not use references in std::pair.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138497 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Don't force the complete deserialization of the visible-declarationsDouglas Gregor
table when serializing an AST file. This was a holdover from the days before chained PCH, and is a complete waste of time and storage now. It's a good thing it's useless, because I have no idea how I would have implemented MaterializeVisibleDecls efficiently in the presence of modules. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138496 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Unbreak the release buildbot.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138493 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Introduce a depth-first search of modules into the module manager,Douglas Gregor
which supports both pre-order and post-order traversal via a visitor mechanism. Use this depth-first search with a post-order traversal to give predictable ordering semantics when walking all of the lexical declarations in the translation unit. Eventually, module imports will occur in the source code rather than at the beginning, and we'll have to revisit this walk. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138490 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Follow up to r138470 (Add PNaCl TargetInfo). I've occasionally submitted ↵Ivan Krasin
wrong patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138489 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] MacOSKeychainAPIChecker: Provide reacher diagnostic trace by ↵Anna Zaks
pointing to the allocation site when reporting a leak. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138479 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
2011-08-24Silence 'may be used uninitialized' warnings.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138475 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] Allow checker writes to specify that no region should be ↵Anna Zaks
accosiated with the report. (Useful when we report an error on endOfPath or deadSymbols, when the range of the last expression might have nothing to do with the error.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138474 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Add PNaCl TargetInfo.Ivan Krasin
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138470 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
2011-08-24In the AST reader, switch name lookup within a DeclContect over to theDouglas Gregor
module DAG-based lookup scheme. This required some reshuffling, so that each module stores its own mapping from DeclContexts to their lexical and visible sets for those DeclContexts (rather than one big "chain"). Overall, this allows simple qualified name lookup into the translation unit to gather results from multiple modules, with the lookup results in module B shadowing the lookup results in module A when B imports A. Walking all of the lexical declarations in a module DAG is still a mess; we'll end up walking the loaded module list backwards, which works fine for chained PCH but doesn't make sense in a DAG. I'll tackle this issue as a separate commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138463 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
2011-08-24Thread safety: Fix a few typos in last commit -- use LockID instead of Lock ↵Caitlin Sadowski
in comments and start a couple methods with a lowercase letter git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138460 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Match LLVM change: TargetRegistry and TargetSelect have been moved to Support.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Reset FirstID (first diagnostic's file ID) to allow for invocations of the ↵Axel Naumann
VerifyDiagnosticsClient on several input files. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138434 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
2011-08-24Make constant aggregate constant initializers private linkage.Eric Christopher
After talking with John making this the case for all of these is the right way to go. Fixes rdar://9804564 and PR10414 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138418 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24[analyzer] MacOSKeychainAPIChecker: Add reasoning about functions which ↵Anna Zaks
MIGHT deallocate the memory region allocated with SecKeychain APIs. Specifically, when the buffer is passed to CFStringCreateWithBytesNoCopy along with a custom deallocator, which might potentially correctly release the memory. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138417 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23[analyzer] MacOSKeychainAPIChecker: Retrieve the memory region which we are ↵Anna Zaks
tracking even when it's no longer a SymbolicRegion, for example, when it is cast to char*. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138415 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Move creation of the deallocation mismatch report into a separate function ↵Anna Zaks
for future reuse. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138414 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Whitespace and 80-col cleanup.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138413 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23objc - fix up the builtin type for objc_assign_ivar.Fariborz Jahanian
// rdar://9362887. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138412 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Fix _mm256_shuffle_ps mask! Example, for mask=203, Instead of:Bruno Cardoso Lopes
<i32 3, i32 2, i32 8, i32 11, i32 3, i32 6, i32 12, i32 15> generate: <i32 3, i32 2, i32 8, i32 11, i32 7, i32 6, i32 12, i32 15> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138411 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Start reworking -Wunreachable-code. The original analysis had serious flaws ↵Ted Kremenek
with how it handled SCC's of dead code, or simply having false negatives by overly suppressing warnings. WIP. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138410 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23CFG: record set of C++ 'try' dispatch blocks, which could be of interest to ↵Ted Kremenek
various analyses (e.g., reachability). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138409 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Constify the result of CFGStmt::getStmt().Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138408 91177308-0d34-0410-b5e6-96231b3b80d8
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