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2014-09-13[Core] Fix implementation of FRem for LLVM 3.3+, which was wrong (caught by ↵Daniel Dunbar
FloatingPointOps.ll).
2014-09-13[Solver] Tune down the shared memory region size on Darwin.Daniel Dunbar
- See comment, this is a gross workaround for Darwin's very small default limit on shared memory size. I'm not sure how big of a counterexample users can actually expect STP to solve in practice -- if there is a practical use for larger ones it would probably be good for us to write a fallback strategy.
2014-09-13[Solver] Ensure shared memory allocation failures are reported as errors, ↵Daniel Dunbar
not asserts.
2014-09-13Small edits to test the Travis CI trigger.Cristian Cadar
2014-09-13Add KLEE specific DEBUG macros.Daniel Dunbar
- This allows us to build in +Asserts mode even when LLVM isn't (by disabling the checks in that mode). - Eventually it would be nice to just move off of LLVM's DEBUG infrastructure entirely and just have our own copy, but this works for now. - Fixes #150.
2014-09-12[Core] Fix some warnings in -Asserts builds.Daniel Dunbar
2014-09-12[Module] Fix handling of instructions without debug info.Daniel Dunbar
- The change in 6829fb9 caused us to not allocation InstructionInfo objects for instructions without source-level debug info, however, that means that all such instructions end up sharing the one dummy InstructionInfo object, which really breaks statistics tracking. - This commit basically reverts that change, and also changes the code so we don't ever use the dummy InstructionInfo object for instructions, so that this problem can't be hit in other ways (e.g., if someone modifies the module after the InstructionInfoTable construction). There is a FIXME for checking the same thing for functions. - Fixes #144.
2014-09-12When building against libc++ (vs libstdcxx), use standard ↵Daniel Dunbar
unordered_{map,set} includes. - I'm not sure what the status of libstdcxx's c++11 support is. It may be we can just move over to <unordered_map> everywhere, but I don't have a Linux test machine handy at the moment.
2014-09-12Tweak the workarounds for multiple definition of PACKAGE_* macros from ↵Daniel Dunbar
config.h files. - There seems to be a better solution for this by defining a macro prefix, per: http://www.gnu.org/software/autoconf-archive/ax_prefix_config_h.html but I have no experience with that and it looks like it might involve rewriting a bunch of our macro checks.
2014-09-12Add support for getting memory usage on Darwin.Daniel Dunbar
2014-09-12Do not require mallinfo(), which is Linux specific.Daniel Dunbar
2014-07-04Fix regression reported by Michael Esser and Andrew WatsonDan Liew
(independently). In our recently switch to llvm::raw_ostream (and friends) (I think this is d934d983692c8952cdb887cbcd59f2df0001b9c0) we forgot to flush the llvm::raw_string_ostream to the underlying string used for error report files (e.g. test000001.overshift.err) so we would end up writing an empty string to error report files. Also added a test case to catch this.
2014-06-06Merge pull request #129 from ahorn/masterCristian Cadar
Add SimplifyExpressions command line option
2014-05-29Use LLVM DEBUG macro instead of #if 0 or #if DEBUGMartin Nowack
2014-05-29Fix headerMartin Nowack
2014-05-29Avoid non-explicit use of functions from std namespace in KLEEMartin Nowack
2014-05-29Remove #include <iostream> to avoid static constructorsMartin Nowack
iostream injects static constructor function into every compilation unit. Remove this to avoid it.
2014-05-29Refactoring from std::ostream to llvm::raw_ostreamMartin Nowack
According to LLVM: lightweight and simpler implementation of streams.
2014-05-19Rename command line option for equality substitutionsahorn
2014-05-12Add SimplifyExpressions command line optionahorn
Allow users to bypass ConstraintManager::simplifyExpr(ref<Expr>).
2014-05-11Fix the logic in ExprSMTLIBPrinter::getSortPeter Collingbourne
This now corresponds to the sorts of the operations we emit, as far as I can tell. Read is one example of an operation that now works correctly (with 1-bit array ranges). It's also possible (but not very useful, and I don't think KLEE can produce it) for other operations such as Add to operate on 1-bit values, and this patch also fixes those.
2014-04-24Fixed order of domain and range in array creation in MetaSMTBuilder.Hristina Palikareva
2014-04-24Fixed creation of arrays with variable domains and ranges in STPBuilder and ↵Hristina Palikareva
MetaSMTBuilder.
2014-04-24Merge pull request #116 from MartinNowack/fix_mallocDan Liew
Fix handling of memory usage in KLEE.
2014-04-24Removed ununsed Executor field in WeightedRandomSearcher to silenceDan Liew
clang warning.
2014-04-24Remove unused pointer to STPSolver in STPSolverImpl to silence clangDan Liew
warning.
2014-04-24Renamed GetTotalMemoryUsage to GetTotalMallocUsageMartin Nowack
2014-04-24Modify klee::util::GetTotalMemoryUsage() so that if the system isDan Liew
not using glibc the malloc usage if computed differently.
2014-04-24Fix handling of memory usage in KLEE.Martin Nowack
Memory usage API in LLVM since 3.3 is not working the way it is intended by KLEE. This ports the pre 3.3. version to KLEE. Fixes the malloc test case.
2014-04-24Asserting that update lists have non-NULL roots within ReadExpr objects (updateHristina Palikareva
lists can have NULL roots, e.g. in MemoryObject instances with concrete contents, where root is allocated lazily only when the updates are required). Also checking whether array updates are typed correctly in UpdateList::extend() rather than in the constructor of UpdateNode (only for update lists with non-NULL roots).
2014-04-16Removing a few more hard-coded values for domains and ranges of Array objectsHristina Palikareva
2014-04-15Associate a domain and range with each arrayPeter Collingbourne
2014-04-14Fix mistake in StatsTracker. It should be reporting process ID butDan Liew
instead it was reporting real user ID of the process.
2014-04-14Replace sys::Process::GetCurrentUserId() with getuid() because itDan Liew
has been removed in LLVM3.4
2014-04-14Do not add SimplifyLibCallsPass for LLVM 3.4 and newer becauseDan Liew
it has been removed. From the LLVM 3.4 release notes: " The library call simplification pass has been removed. Its functionality has been integrated into the instruction combiner and function attribute marking passes. "
2014-04-14Tidy up code by using LLVM's V2 path API only and removing usesDan Liew
of old V1 path API. LLVM2.9 supports LLVM's V2 path API. Because that is the minimum version we support we should just use this API everywhere so we reduce the number of #if LLVM_VERSION_CODE macros and duplicated code.
2014-04-14Add missing include file for LLVM 3.4Martin Nowack
2014-04-14Use SmallString and llvm::sys::path/fs API of LLVM 3.4 becauseMartin Nowack
Old Path API was removed
2014-04-04Add the ability to control whether the pretty printer uses line breaksPeter Collingbourne
This change makes it possible to more reliably write unit tests which check that an expression is equivalent to an expected pretty printed string.
2014-04-02Modify the SMT-LIB printer to declare arrays in a deterministic ↵Peter Collingbourne
(alphabetical) order.
2014-03-09Use clang-format to reformat SMT-LIB printer in LLVM style.Peter Collingbourne
2014-02-24Improved help message for make-concrete-symbolic and fixed some typos.Cristian Cadar
2014-02-14Explicitly get the width of the "shift" expression rather than assumingDan Liew
that is the samw width of the "expr" expression. It probably is the same width (it defintely is in SMT-LIB but I'm not sure about STP) but it is probably better to be explicit.
2014-02-14Remove STPBuilder::getShiftBits() which is no longer used.Dan Liew
2014-02-14Fixed overshift of arithmetic right shift by constant so that itDan Liew
overshifts to zero. Test case is included.
2014-02-14Fixed overshift of arithmetic right shift by symbolic so that it overshiftsDan Liew
to zero. Test case is included.
2014-02-14Fixed overshift of logical right shift by constant so that itDan Liew
overshifts to zero. Test case is included.
2014-02-14Fixed overshift of logical right shift by symbolic so that it overshiftsDan Liew
to zero. Test case is included.
2014-02-14Fixed overshifting an expression by a constant so that we overshift toDan Liew
zero. A test case was added for this. In addition the use to vc_bvExtract() was removed for shifting left by an expression because we don't want/need bitmasked behaviour anymore.
2014-02-14Added a test case for testing overshift behaviour of Shl and fixedDan Liew
a bug in the previous commit where 32-bit width was assumed.
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