Regression for TraceTruffleCompilationDetails?

[Christian Humer]

Hi Stefan,

Could you please provide a little more robust command line for the problem?
I just completely failed to run it on windows.


- Christian Humer


On Mon, Dec 16, 2013 at 11:13 AM, Stefan Marr <java at stefan-marr.de> wrote:

> Hi:
>
> I am running here into a class cast exception when using
> -G:+TraceTruffleCompilationDetails:
>
> java.lang.ClassCastException:
> com.oracle.graal.truffle.nodes.frame.NewFrameNode cannot be cast to
> com.oracle.graal.nodes.ConstantNode
>         at
> com.oracle.graal.truffle.PartialEvaluator.expandTree(PartialEvaluator.java:193)
>
> The corresponding line is:
>  ConstantNode constantNode = (ConstantNode)
> methodCallTargetNode.arguments().first();
>
> However, the first argument is not a ConstantNode but a NewFrameNode (the
> new frame node looks like one of mine, i.e., for a TruffleSOM method call).
>
> The targetMethod of is
> `HotSpotMethod<FrameWithoutBoxing.getObject(FrameSlot)>`.
>
> The problem can be triggered for instance with the following TruffleSOM
> benchmark:
>
> ./mx.sh -d --vm server vm  -G:+TraceTruffleCompilationDetails
> -Xbootclasspath/a:../som/build/classes:../som/libs/com.oracle.truffle.api.jar:../som/libs/com.oracle.truffle.api.dsl.jar
> som.vm.Universe -cp ../som/Smalltalk
> ../som/Examples/Benchmarks/BenchmarkHarness.som Loop 1 100 100
>
> I suppose the receiver is here expected to be constant to print out
> tracing information, but it isn’t in my case.
>
> Is there perhaps some simple work-around possible?
>
> Thanks
> Stefan
>
> To check out TruffleSOM:
>
> git clone --recursive https://github.com/smarr/TruffleSOM.git
>   cd TruffleSOM
>   ant jar
>   cd $GRAAL
>
> --
> Stefan Marr
> Software Languages Lab
> Vrije Universiteit Brussel
> Pleinlaan 2 / B-1050 Brussels / Belgium
> http://soft.vub.ac.be/~smarr
> Phone: +32 2 629 2974
> Fax:   +32 2 629 3525
>
>