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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
2012-01-18Nice patch by Gang Hu, Heming Cui and Junfeng Yang fixing a memoryCristian Cadar
leak in KLEE. From Gang Hu: "The memory leak is caused by two reasons. First, the MemoryObject objects are not freed, until the MemoryManager is destroyed. Second, when KLEE allocates a non-fixed MemoryObject object, KLEE also allocates a block of memory which is the same as the object's size. This block of memory is never freed. So, this patch generally does reference counting on the MemoryObject objects, and frees them as soon as the reference count drops to zero." Many thanks to Paul Marinescu as well, who tested this patch thoroughly on the Coreutils benchmarks. On 1h runs, the memory consumption typically goes down by 1-5%, but some applications which see more significant gains. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@148402 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13Fix STPBuilder::getShiftBits for non-power-of-2 bitwidths up to 64.Peter Collingbourne
(Yes, we should really be handling more bitwidths here.) git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@146510 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-11Patch by Ben Gras fixing a few minor issues: adds missing includes,Cristian Cadar
fixes the ntohs prototype in klee-libc, and removes some unused code. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@146352 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-11Patch by Paul Marinescu that fixes an issue causing KLEE to fail on some ↵Cristian Cadar
platforms with KLEE: ERROR: unable to load symbol(__dso_handle) while initializing globals. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@146351 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
2011-11-04Patch by Tom Bergan that fixes multi-byte reads on big-endian architectures.Cristian Cadar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@143693 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Fix some -Wunused-variable warnings.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@142310 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02Applied patch from David Ramos that fixes a bug in minDistToUncoveredCristian Cadar
calculation: "Functions with a single instruction were erroneously treated as never returning. This propagated far, making many instructions unreachable according to this metric." git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@139045 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
2011-08-01Make the Executor capable of handling bitcasts of aliases, by rewriting thePeter Collingbourne
direct function call logic. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@136605 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29Sign extend, rather than zero extend, narrow gep indicesPeter Collingbourne
For example, clang creates these for ++ and -- operations on pointers on 64-bit platforms. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@136474 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-24Applied patch by Leandro Sales that makes Kleaver compatible with theCristian Cadar
recent changes to array names. Modified FastCexSolver.pc to catch this issue. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@135896 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
2011-06-09Patch from Martin Nowack for LLVM 2.9Cristian Cadar
(http://llvm.org/bugs/show_bug.cgi?id=9595) git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@132787 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-25Name symbolic arrays using the 3rd argument to klee_make_symbolic,Peter Collingbourne
and make sure the name is unique. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@132054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Add ConstantStruct support to Executor::evalConstantPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@131586 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Maintain an equivalence set during comparison operationsPeter Collingbourne
This results in a significant speedup of certain comparisons involving large partially shared expression trees. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@131585 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Support for arbitrary sized types in ConstantExpr::fromMemoryPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@131583 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-23Transformed the assert() checking for overlapping objects into a callCristian Cadar
to klee_error() to make sure the check is done even when assertions are disabled. This makes the AsmAddresses test pass with assertions disabled. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@130067 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
2011-03-30Fixed bug in WeightedRandomSearcher (CoveringNew). Patch by DavidCristian Cadar
Ramos: "I found a nasty little bug that I'm guess dates back to removing all that foreach() syntactic sugar. It made stats::minDistToUncovered = 0 at all program points, rendering WeightedRandomSearcher (CoveringNew) pretty worthless." git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@128536 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-30Fixed some typos.Cristian Cadar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@128533 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-30Bug fix in STPBuilder. Patch submitted by David Ramos, thanks!Cristian Cadar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@128532 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
2010-08-05Use CallSite in StatsTracker::computeReachableUncoveredPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@110350 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
2010-07-15Reduce variable shadowing.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@108405 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-15Fix a -Wbool-conversion warning.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@108404 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-15Fix some -Wmismatched-tags warnings.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@108403 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-15Remove stray semicolons in class definitions.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@108402 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-14Add option to use an external version of STPPeter Collingbourne
This patch adds a new configure option, --with-stp, which configures KLEE to use an external version of STP instead of the version in the source tree. It includes documentation referring users to the STP download location. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@108347 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Add support for InsertValue and ExtractValue instructionsPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@107912 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-28Applied Stefan Bucur's patch fromCristian Cadar
http://llvm.org/bugs/show_bug.cgi?id=6690. The patch adds specialized versions of klee_get_value for different types, fixing the previous klee_get_value function that sometimes truncated 64bit parameters to 32bit. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@107006 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24Remove llvm.dbg.value intrinsic new to LLVM 2.7Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@106802 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24Handle ConstantAggregateZero constantsPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@106801 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24Use LLVM's TargetData::getTypeSizeInBits to determine type bitwidth instead ↵Peter Collingbourne
of our own implementation git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@106800 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24Implement klee_stack_trace functionPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@106799 91177308-0d34-0410-b5e6-96231b3b80d8
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