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for it
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Fix signed division by constant 1/ -1
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Division by constant divisor get optimized
using shift and multiplication operations in STP builder.
The used method cannot be applied for divisor 1 and -1.
In that case use slow path.
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Shifting by bitwidth-1 is valid
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parallel.
- It would be nice if there was an easier way to do this that didn't involve
editing all of the tests (like running each test in its own directory), but
this approach fixes #146 and doesn't involve changing 'lit' or writing a
wrapper harness. My assumption is a lot of tests start are derived from
another one, so hopefully following this convention won't be burdensome, and
I updated 'make check' so that it will produce an error if any test runs klee
without --output-dir (by checking for the existing of klee-last files).
- This also helps with #147 but I still can't fully run tests in parallel (I
start hitting STP errors).
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(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.
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Say hello to our new friend, llvm-lit :)
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DejaGNU testing used to have this flag in its substitution variable
but for llvm-lit this has not been done.
I could replicate what DejaGNU did but by forcing developers to be
explicit when creating LLVM bitcode
* Remove test suite inconsistentcies. Some tests explictly use
-emit-llvm
* Allows for tests to be written in the future that invoke
the compiler as a native compiler
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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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git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@168798 91177308-0d34-0410-b5e6-96231b3b80d8
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Includes test case.
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@157463 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@135598 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@100422 91177308-0d34-0410-b5e6-96231b3b80d8
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backward compatibility. Also changed KLEE_RUNTEST to KTEST_FILE. Updated tutorial-1.
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72312 91177308-0d34-0410-b5e6-96231b3b80d8
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- For compatibility we still accept 2 argument form of klee_make_symbolic, but
this will go away eventually.
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72265 91177308-0d34-0410-b5e6-96231b3b80d8
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- Lots more tweaks, documentation, and web page content is needed,
but this should compile & work on OS X & Linux.
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72205 91177308-0d34-0410-b5e6-96231b3b80d8
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