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Otherwise optimizations done in klee won't have any effect.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
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a ``createCoreSolver()`` function. The solver used is set by the new
``--solver-backend`` command line argument. The default is STP.
This change necessitated refactoring the MetaSMT stuff. That clearly
didn't belong in the Executor! The MetaSMT command line option is
now ``--metasmt-backend`` as this only picks the MetaSMT backend.
In order to use MetaSMT ``--solver-backend=metasmt`` needs to be passed.
Note I don't have MetaSMT built on my development machine so I don't
know if the MetaSMT stuff even compiles...
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always goes to zero (matches LLVM's APInt::ashr(...)). This is meant
to partially address issue #218.
There are a few problems with this commit
* It is possible for AShrExpr to not be abbreviated because the scan
methods will not see that we print the 0th child of the AShrExpr twice
* The added test case should really be run through an SMT solver (
i.e. STP) but that requires infrastructure changes.
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overshifts to zero. Test case is included.
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to zero. Test case is included.
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overshifts to zero. Test case is included.
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to zero. Test case is included.
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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.
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a bug in the previous commit where 32-bit width was assumed.
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Say hello to our new friend, llvm-lit :)
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a file created by KLEE exists. A big difference between
DejaGNU and llvm-lit is that in DejaGNU the working directory
is the test output directory (e.g. test/Feature/Output) but
in llvm-lit the working directory is the test directory
(e.g. test/Feature )
To fix this I have used the %T substitution variable for llvm-lit.
I have also improved some tests by using LLVM's FileCheck tool
and removing of hard coded constants for data type size in
some places.
This commit inevitably breaks running the tests under DejaGNU.
Although it is possible to hack by introducing the %T substitution
variable some tests would still be broken because the use of shell
pipes in DejaGNU doesn't seem to work properly. I could work around
this but it's really not worth the effort.
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-- only 16 bytes of array a were initialised in Query 2, but values of 17 bytes were later required for comparison.
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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
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- Allow constructing a ConstantExpr from an APInt, too painful otherwise.
- Parser support for large integers.
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@74278 91177308-0d34-0410-b5e6-96231b3b80d8
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- ConstantExpr should now fully support arbitrary width operations.
- Still numerous holes in parsing, solver, etc. to plug.
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@74151 91177308-0d34-0410-b5e6-96231b3b80d8
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- Bug fix, unbreak Concat propogation (recent regression).
- Also, add some simple propogation for Add.
- These two knock off another 50% of the queries hitting STP from the first 30s
of 'dd'.
- Also, add some debugging code.
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@73488 91177308-0d34-0410-b5e6-96231b3b80d8
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