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path: root/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h
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2013-02-20Include llvm::Optional in clang/Basic/LLVM.hDavid Blaikie
Post-commit CR feedback from Jordan Rose regarding r175594. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175679 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Remove useless 'llvm::' qualifier from names like StringRef and others that areDmitri Gribenko
brought into 'clang' namespace by clang/Basic/LLVM.h git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172323 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21[analyzer] Don't perform an expensive assertion in release builds.Jordan Rose
Unfortunately, we don't seem to have a standard way to do this. I'm using the __OPTIMIZE__ GNU extension that Clang also defines, but that doesn't help MSVC. I suppose we could remove the check entirely, but it's useful for developing new constraint managers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170915 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort #include lines for all files under include/...Chandler Carruth
This is a simpler sort, entirely automatic with the help of llvm/utils/sort_includes.py -- no manual edits here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169238 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01clang/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h: ↵NAKAMURA Takumi
Appease msvc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167199 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01[analyzer] Optimize assumeDual by assuming constraint managers are consistent.Jordan Rose
Specifically, if adding a constraint makes the current system infeasible, assume the constraint is false, instead of attempting to add its negation. In +Asserts builds we will still assert that at least one state is feasible. Patch by Ryan Govostes! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167195 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-01[analyzer] Rename ConditionTruthVal::isTrue to isConstrainedTrue.Jordan Rose
(and the same for isFalse) No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167186 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31[analyzer] Let ConstraintManager subclasses provide a more efficient checkNull.Jordan Rose
Previously, every call to a ConstraintManager's isNull would do a full assumeDual to test feasibility. Now, ConstraintManagers can override checkNull if they have a cheaper way to do the same thing. RangeConstraintManager can do this in less than half the work. <rdar://problem/12608209> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167138 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-01[analyzer] Make ProgramStateManager's SubEngine parameter optional.Jordan Rose
It is possible and valid to have a state manager and associated objects without having a SubEngine or checkers. Patch by Olaf Krzikalla! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164947 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-07Remove ProgramState::getSymVal(). It was being misused by Checkers,Ted Kremenek
with at least one subtle bug in MacOSXKeyChainAPIChecker where the calling the method was a substitute for assuming a symbolic value was null (which is not the case). We still keep ConstraintManager::getSymVal(), but we use that as an optimization in SValBuilder and ProgramState::getSVal() to constant-fold SVals. This is only if the ConstraintManager can provide us with that information, which is no longer a requirement. As part of this, introduce a default implementation of ConstraintManager::getSymVal() which returns null. For Checkers, introduce ConstraintManager::isNull(), which queries the state to see if the symbolic value is constrained to be a null value. It does this without assuming it has been implicitly constant folded. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-07Add default implementation of ConstraintManager::getSymVal() and a doxygen ↵Ted Kremenek
comment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163426 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-07Remove ConstraintManager:isEqual(). It is no longer used.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163425 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Remove BasicConstraintManager. It hasn't been in active service for a while.Ted Kremenek
As part of this change, I discovered that a few of our tests were not testing the RangeConstraintManager. Luckily all of those passed when I moved them over to use that constraint manager. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162384 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Convert more uses of 'const ProgramState *' to 'ProgramStateRef' (and ↵Ted Kremenek
related cleanups). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149310 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Change references to 'const ProgramState *' to typedef 'ProgramStateRef'.Ted Kremenek
At this point this is largely cosmetic, but it opens the door to replace ProgramStateRef with a smart pointer that more eagerly acts in the role of reclaiming unused ProgramState objects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149081 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05[analyzer] Mark ConstraintManager::canReasonAbout as protected.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145857 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16[analyzer] Assert if we ever get an over constrained state.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144821 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-28[analyzer] Header cleanup to decrease coupling (and recompilation). No ↵Jordy Rose
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138729 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15Rename GRState to ProgramState, and cleanup some code formatting along the way.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137665 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12Cleanup various declarations of 'Stmt*' to be 'Stmt *', etc. in libAnalyzer ↵Ted Kremenek
and libStaticAnalyzer[*]. It was highly inconsistent, and very ugly to look at. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137537 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20add raw_ostream and Twine to LLVM.h, eliminating a ton of llvm:: qualifications.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135577 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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