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* Prior to adding the new "expected-no-diagnostics" directive to ↵Andy Gibbs2012-10-191-0/+1
| | | | | | VerifyDiagnosticConsumer, make the necessary adjustment to 580 test-cases which will henceforth require this new directive. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166280 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix analyzer tests.Ted Kremenek2012-08-241-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162588 91177308-0d34-0410-b5e6-96231b3b80d8
* [analyzer] rename all experimental checker packages to have 'experimental' ↵Ted Kremenek2011-08-031-1/+1
| | | | | | be the common root package. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136835 91177308-0d34-0410-b5e6-96231b3b80d8
* Really remove FlatStoreManager and BasicStoreManager, this time from the ↵Ted Kremenek2011-07-281-1/+0
| | | | | | driver. Also remove associated tests. Sorry for the messy commits; this is the result of a botched Git merge. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136422 91177308-0d34-0410-b5e6-96231b3b80d8
* [analyzer] Remove '-analyzer-check-objc-mem' flag, the nominee for best ↵Argyrios Kyrtzidis2011-02-281-2/+2
| | | | | | misnomer award. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126676 91177308-0d34-0410-b5e6-96231b3b80d8
* [analyzer] Remove '-analyzer-experimental-internal-checks' flag, it doesn't ↵Argyrios Kyrtzidis2011-02-241-2/+2
| | | | | | have any checkers associated with it anymore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126440 91177308-0d34-0410-b5e6-96231b3b80d8
* Warn if a variable marked with the "unused" attribute is used. Patch by ↵Anders Carlsson2010-10-221-1/+1
| | | | | | Darin Adler! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117184 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new symbol type, SymbolExtent, to represent the extents of memory ↵Jordy Rose2010-07-041-1/+1
| | | | | | | | | | | regions that may not be known at compile-time (such as those created by malloc). This replaces the old setExtent/getExtent API on Store, which used the GRState's GDM to store SVals. Also adds a getKnownValue() method to SValuator, which gets the integer value of an SVal if it is known to only have one possible value. There are more places in the code that could be using this, but in general we want to be dealing entirely in SVals, so its usefulness is limited. The only visible functionality change is that extents are now honored for any DeclRegion, such as fields and Objective-C ivars, rather than just variables. This shows up in bounds-checking and cast-size-checking. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107577 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename -cc1 option '-checker-cfref' to '-analyzer-check-objc-mem'.Ted Kremenek2010-02-051-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95348 91177308-0d34-0410-b5e6-96231b3b80d8
* add a bunch of missing prototypes to testsChris Lattner2010-01-091-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93072 91177308-0d34-0410-b5e6-96231b3b80d8
* Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.Daniel Dunbar2009-12-151-2/+2
| | | | | | | | | - This is designed to make it obvious that %clang_cc1 is a "test variable" which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it can be useful to redefine what gets run as 'clang -cc1' (for example, to set a default target). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91446 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace clang-cc with clang -cc1.Zhongxing Xu2009-12-141-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91272 91177308-0d34-0410-b5e6-96231b3b80d8
* Normalize options to use '-FOO' instead of '--FOO'.Daniel Dunbar2009-11-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90071 91177308-0d34-0410-b5e6-96231b3b80d8
* Add clang-cc option "--analyzer-experimental-internal-checks". ThisTed Kremenek2009-11-131-2/+2
| | | | | | | | option enables new "internal" checks that will eventually be turned on by default but still require broader testing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88671 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate &&s in tests.Daniel Dunbar2009-11-081-1/+1
| | | | | | - 'for i in $(find . -type f); do sed -e 's#\(RUN:.*[^ ]\) *&& *$#\1#g' $i | FileUpdate $i; done', for the curious. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86430 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove 'StoreManager::OldCastRegion()', TypedViewRegion (which onlyTed Kremenek2009-07-291-1/+0
| | | | | | | | OldCastRegion used), and the associated command line option '-analyzer-store=old-basic-cast'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77509 91177308-0d34-0410-b5e6-96231b3b80d8
* Prep for new warning.Mike Stump2009-07-211-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76623 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch BasicStoreManager to use the new CastRegion implementation by default,Ted Kremenek2009-07-101-1/+1
| | | | | | | | | and replace the 'clang-cc' option '-analyzer-store=basic-new-cast' with '-analyzer-store=basic-old-cast'. We'll keep the old CastRegion implementation around for a little while for regression testing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75209 91177308-0d34-0410-b5e6-96231b3b80d8
* Make 'BasicStoreManager' + 'NewCastRegion' testable from the command line ↵Ted Kremenek2009-07-061-0/+1
| | | | | | using '-analyzer-store=basic-new-cast'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74865 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename clang to clang-cc.Daniel Dunbar2009-03-241-2/+2
| | | | | | | Tests and drivers updated, still need to shuffle dirs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67602 91177308-0d34-0410-b5e6-96231b3b80d8
* Static Analyzer driver/options (partial) cleanup:Ted Kremenek2009-02-171-2/+2
| | | | | | | | | | | | | | | - Move all analyzer options logic to AnalysisConsumer.cpp. - Unified specification of stores/constraints/output to be: -analyzer-output=... -analyzer-store=... -analyzer-constraints=... instead of -analyzer-range-constraints, -analyzer-store-basic, etc. - Updated drivers (ccc-analyzer, scan-builds, new ccc) to obey this new interface - Updated test cases to conform to new driver options git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64737 91177308-0d34-0410-b5e6-96231b3b80d8
* For now, return UnknownVal() in RegionStore::getElementsSize() for ↵Ted Kremenek2009-01-221-2/+2
| | | | | | AnonTypedRegions. It wasn't really doing the right thing and was crashing on rdar-6442306-1.m. This fix causes all path-sensitive test cases to pass with RegionStore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62816 91177308-0d34-0410-b5e6-96231b3b80d8
* Add -analyze action to run static analyzer, instead of inferring fromDaniel Dunbar2009-01-201-2/+2
| | | | | | | individual checker options. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62634 91177308-0d34-0410-b5e6-96231b3b80d8
* MemRegion:Ted Kremenek2008-12-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | - Overhauled the notion of "types" for TypedRegions. We now distinguish between the "lvalue" of a region (via getLValueRegion()) and the "rvalue" of a region (va getRValueRegion()). Since a region represents a chunk of memory it has both, but we were conflating these concepts in some cases, leading to some insidious bugs. - Removed AnonPointeeType, partially because it is unused and because it doesn't have a clear notion of lvalue vs rvalue type. We can add it back once there is a need for it and we can resolve its role with these concepts. StoreManager: - Overhauled StoreManager::CastRegion. It expects an *lvalue* type for a region. This is actually what motivated the overhaul to the MemRegion type mechanism. It also no longer returns an SVal; we can just return a MemRegion*. - BasicStoreManager::CastRegion now overlays an "AnonTypedRegion" for pointer-pointer casts. This matches with the MemRegion changes. - Similar changes to RegionStore, except I've added a bunch of FIXMEs where it wasn't 100% clear where we should use TypedRegion::getRValueRegion() or TypedRegion::getLValueRegion(). AuditCFNumberCreate check: - Now blasts through AnonTypedRegions that may layer the original memory region, thus checking if the actually memory block is of the appropriate type. This change was needed to work with the changes to StoreManager::CastRegion. GRExprEngine::VisitCast: - Conform to the new interface of StoreManager::CastRegion. Tests: - None of the analysis tests fail now for using the "basic store". - Disabled the tests 'array-struct.c' and 'rdar-6442306-1.m' pending further testing and bug fixing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60995 91177308-0d34-0410-b5e6-96231b3b80d8
* A series of cleanups/fixes motivated by <rdar://problem/6442306>:Ted Kremenek2008-12-131-0/+31
GRExprEngine (VisitCast): - When using StoreManager::CastRegion, always use the state and value it returns to generate the next node. Failure to do so means that region values returned that don't require the state to be modified will get ignored. MemRegion: - Tighten the interface for ElementRegion. Now ElementRegion can only be created with a super region that is a 'TypedRegion' instead of any MemRegion. Code in BasicStoreManager/RegionStoreManager already assumed this, but it would result in a dynamic assertion check (and crash) rather than just having the compiler forbid the construction of such regions. - Added ElementRegion::getArrayRegion() to return the 'typed version' of an ElementRegion's super region. - Removed bogus assertion in ElementRegion::getType() that assumed that the super region was an AnonTypedRegion. All that matters is that it is a TypedRegion, which is now true all the time by design. BasicStore: - Modified getLValueElement() to check if the 'array' region is a TypedRegion before creating an ElementRegion. This conforms to the updated interface for ElementRegion. RegionStore: - In ArrayToPointer() gracefully handle things we don't reason about, and only create an ElementRegion if the array region is indeed a TypedRegion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60990 91177308-0d34-0410-b5e6-96231b3b80d8
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