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2013-12-19Optimize inlineChecks functionMartin Nowack
* Just iterate over the instructions which use the function to be inlined * Handle each callsite (e.g. CallInst and InvokeInst)
2013-12-19Replicate debug information from checked instructions to checker call.Martin Nowack
2013-12-19Allow to specify KLEE-internal functionsMartin Nowack
KLEE provides runtime library functions to do detection of bugs (e.g. overflow). This runtime functions are not the location of the bugs but it is the next non-runtime library function from the stack. Use the caller inside that function to indicate where the bug is.
2013-12-19Simplify acquisition of debug informtion for instruction info with newer ↵Martin Nowack
LLVM versions With newer LLVM versions (starting with LLVM 2.7) debug information are directly associated as meta data with each instruction. Therefore, debug information can be acquired directly from each instruction.
2013-12-06Remove stoppoint referencesMartin Nowack
2013-12-06Deprecate LLVM 2.8 and lowerMartin Nowack
2013-12-05Fix unitialized valueMartin Nowack
2013-12-05Free used constants if not used anymoreMartin Nowack
Fixes memleak
2013-10-29Merge pull request #26 from delcypher/fix_divide_by_zeroPaul
Fixed bug where divide by zero bugs would only be detected once in a program
2013-10-11Merge pull request #40 from antiAgainst/intrinsic-trapCristian Cadar
Bugfix: Remove llvm.trap declaration after cleaning all uses.
2013-10-08Remove llvm.trap declaration after cleaning all uses.Lei Zhang
2013-10-08Merge pull request #34 from ddcc/masterCristian Cadar
Replace current implementation of linkWithLibrary()
2013-09-24Add missing header file and linker parameterDominic Chen
2013-09-24Replace implementation of linkWithLibrary()Dominic Chen
2013-09-23Lower intrinsic instruction "llvm.trap" to a call of the abort() function.Lei Zhang
2013-09-21Merge pull request #17 from MartinNowack/LLVM33Cristian Cadar
Make KLEE compile with LLVM 2.3.
2013-09-02Implemented runtime check for overshift (controllable with --check-overshiftDan Liew
command line argument). Overshift is where a Shl, AShr or LShr has a shift width greater than the bit width of the first operand. This is undefined behaviour in LLVM so we report this as an error.
2013-09-02Fixed bug where divide by zero bugs would only be detected once in a programDan Liew
even if there were many divide by zero bugs. The fix basically inlines all function calls to klee_div_zero_check() so that each call to klee_report_error() is a unique instruction for each instrumentation of a divide operation. It also seems that inlining the call "magically" fixed the debug information (file and line number) of the instruction so that the debug information on the inlined instructions matches that of the instrumented division instruction. Note that the command line option -emit-all-errors could be used to workaround the bug fixed in this commit.
2013-09-02Fixed unused static function warning for forceImportMartin Nowack
2013-08-28Fixed warning about unused variableMartin Nowack
2013-08-27Port to LLVM 3.3Martin Nowack
Major changes are: - Switching to llvm-link to build archive files - Use GetMallocUsage instead of GetTotalMemoryUsage (be aware of bug in LLVM 3.3 http://llvm.org/bugs/show_bug.cgi?id=16847) - intrinsic library functions like memcpy/mov/set use weak linkage to be replaced by e.g. uclibc functions - rewrote linking with library - enhanced MemoryLimit test case to check if mallocs were successful
2013-08-15Implemented llvm.umul.with.overflowMartin Nowack
2013-04-05Fixed error that I introduced by mistake in the last commit (thanks again to ↵Cristian Cadar
Michael Contreras) git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@178863 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Patch by Michael Contreras and Jiri Slaby for compiling KLEE with LLVM 3.2Cristian Cadar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@178759 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Patch sent by both Bogdan Copos and Nick Sumner fixing compilation with LLVM 3.1Cristian Cadar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@168695 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-08Fix to previous patch, which would not compile with LLVM 2.9.Cristian Cadar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@165413 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-08Make the changes in r165394 be conditional on post LLVM 3.1 changes.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@165405 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-08Move TargetData to DataLayout.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@165394 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-10Lowering support for the llvm.uadd.with.overflow intrinsic.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@154367 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-07Fix compilation with LLVM trunk.Peter Collingbourne
Patch by arrowdodger! git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@154238 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Taken into account Duncan's comments for r149481 dated by 2nd Feb 2012:Stepan Dyatkovskiy
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20120130/136146.html Implemented CaseIterator and it solves almost all described issues: we don't need to mix operand/case/successor indexing anymore. Base iterator class is implemented as a template since it may be initialized either from "const SwitchInst*" or from "SwitchInst*". ConstCaseIt is just a read-only iterator. CaseIt is read-write iterator; it allows to change case successor and case value. Usage of iterator allows totally remove resolveXXXX methods. All indexing convertions done automatically inside the iterator's getters. Main way of iterator usage looks like this: SwitchInst *SI = ... // intialize it somehow for (SwitchInst::CaseIt i = SI->caseBegin(), e = SI->caseEnd(); i != e; ++i) { BasicBlock *BB = i.getCaseSuccessor(); ConstantInt *V = i.getCaseValue(); // Do something. } If you want to convert case number to TerminatorInst successor index, just use getSuccessorIndex iterator's method. If you want initialize iterator from TerminatorInst successor index, use CaseIt::fromSuccessorIndex(...) method. There are also related changes in llvm-clients: klee and clang. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@152299 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Second compatability fix for SwitchInst refactoring (added compatability ↵Stepan Dyatkovskiy
with llvm versions < 3.1). git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@149528 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Compatability fix for SwitchInst refactoring.Stepan Dyatkovskiy
The purpose of refactoring is to hide operand roles from SwitchInst user (programmer). If you want to play with operands directly, probably you will need lower level methods than SwitchInst ones (TerminatorInst or may be User). After this patch we can reorganize SwitchInst operands and successors as we want. What was done: 1. Changed semantics of index inside the getCaseValue method: getCaseValue(0) means "get first case", not a condition. Use getCondition() if you want to resolve the condition. I propose don't mix SwitchInst case indexing with low level indexing (TI successors indexing, User's operands indexing), since it may be dangerous. 2. By the same reason findCaseValue(ConstantInt*) returns actual number of case value. 0 means first case, not default. If there is no case with given value, ErrorIndex will returned. 3. Added getCaseSuccessor method. I propose to avoid usage of TerminatorInst::getSuccessor if you want to resolve case successor BB. Use getCaseSuccessor instead, since internal SwitchInst organization of operands/successors is hidden and may be changed in any moment. 4. Added resolveSuccessorIndex and resolveCaseIndex. The main purpose of these methods is to see how case successors are really mapped in TerminatorInst. 4.1 "resolveSuccessorIndex" was created if you need to level down from SwitchInst to TerminatorInst. It returns TerminatorInst's successor index for given case successor. 4.2 "resolveCaseIndex" converts low level successors index to case index that curresponds to the given successor. Note: There are also related compatability fix patches for dragonegg, klee, llvm-gcc-4.0, llvm-gcc-4.2, safecode, clang. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@149484 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-08Update for changes in LLVM trunk. Original patch by arrowdodger!Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@146178 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29Updates for LLVM 3.1.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@145365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02Update location of TargetSelect.h and TargetRegistry.h for LLVM 3.0+Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@139026 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Disable the LowerSetJmpPass on LLVM 3.0+Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@137116 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20Updates for LLVM 3.0. Based on changes by arrowdodger, thanks!Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@135598 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-20Deprecate LLVM_VERSION_MAJOR and LLVM_VERSION_MINOR in favour ofPeter Collingbourne
version codes. This makes the preprocessor-based version tests more concise and less error prone. Also, fix the version tests in lib/Expr/Parser.cpp (immutable zext and trunc were introduced in LLVM 2.9); now 2.9 passes "make test". git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@135583 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23When extracting path from debug info, use file name on its own if it begins ↵Peter Collingbourne
with '/' Clang has been observed to use an absolute path in the 'filename' field. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@133740 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-23Patch by arrowdodger ↵Cristian Cadar
(http://keeda.stanford.edu/pipermail/klee-dev/2011-April/000617.html) for compiling KLEE with the latest LLVM changes. Tested against LLVM 2.7 and 2.8. The AsmAddresses test fails in 2.8 unless assertions are explicitely enabled (--enable-assertions). git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@130065 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-14On LLVM 2.9+, use TargetLowering::ExpandInlineAsm to expand asm codePeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@119046 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22Disable loop index split pass for LLVM 2.9+Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@117117 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30Add missing include to make sure version macros are present.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@115146 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30Spell versioning macros correctly.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@115140 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30Update for spurious LLVM API changes.Daniel Dunbar
- God forbid we manage to keep an API stable for a single release cycle. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@115139 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30Update for LLVM API changes, patch by nobled, in PR8232.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@115138 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Store CallInst and InvokeInst operands in a fixed order: function, arg0, ↵Peter Collingbourne
arg1, ... git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@110352 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Have getDirectCallTarget use CallSitePeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@110351 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-15Update to match new 2.8 CallInst getOperand API.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@108406 91177308-0d34-0410-b5e6-96231b3b80d8
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