Building a graph manually
Remi Forax
forax at univ-mlv.fr
Mon Jun 20 10:15:24 UTC 2016
Or use ASM [1] which is used internally by DiSL.
The OpenJDK also holds a partial copy of ASM in the internal package jdk.internal.org.objectweb.asm
Rémi
[1] http://asm.ow2.org/
----- Mail original -----
> De: "Gilles Duboscq" <gilles.m.duboscq at oracle.com>
> À: "Bahram Yarahmadi" <bahram.yarahmadi at gmail.com>
> Cc: graal-dev at openjdk.java.net
> Envoyé: Lundi 20 Juin 2016 11:49:58
> Objet: Re: Building a graph manually
>
> Hi,
>
> Any bytecode instrumentation framework should work with Graal.
> Maybe you could have a look at DiSL [1] for example.
>
> Gilles
>
> [1] https://disl.ow2.org/bin/view/Main/
>
> On 18/06/16 10:14, Bahram Yarahmadi wrote:
> > Hi guys
> > Does anyone here know any proper bytecode instrumentation which I can use
> > it with graal !?
> >
> > On Fri, Jun 17, 2016 at 1:11 PM, Bahram Yarahmadi
> > <bahram.yarahmadi at gmail.com <mailto:bahram.yarahmadi at gmail.com>> wrote:
> >
> > Thanks Gilles
> > I cannot even build the state on the fly,I think it must be a non
> > trivial task
> > I made some progress and now for "just some" methods , I can redirect
> > an invoke with InliningUtil.replaceInvokeCallTarget ,
> > for instance :I can invoke method X() instead of method Y() at runtime
> > but my target is Lambdas with stream APIs ,
> > for example:
> > Intstream.rang(0,10).parallel.foreach(....)
> > I modify the graph and I delete invoke#range,invoke#parallel
> > ,invoke#foreach from cfg
> > I made a pure control flow which only contains
> > 285377351.linkToTargetMethod as an invoke node which is static but
> > when I want to redirect this method I get this Error
> > testGraphKitTool(com.oracle.graal.compiler.test.tutorial.GraalTutorial)
> > java.lang.NullPointerException
> > at com.oracle.graal.nodes.Invoke.getContextMethod(Invoke.java:75)
> > at
> > com.oracle.graal.compiler.test.tutorial.GraalTutorial.testGraphKitTool(GraalTutorial.java:449)
> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > at
> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> > at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> > at java.lang.reflect.Method.invoke(Method.java:498)
> > at
> > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> > at
> > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> > at
> > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> > at
> > org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
> > at
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
> > at
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
> > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
> > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
> > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
> > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
> > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
> > at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
> > at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
> > at org.junit.runner.JUnitCore.run(JUnitCore.java:138)
> > at com.oracle.mxtool.junit.MxJUnitWrapper.main(MxJUnitWrapper.java:167)
> >
> > Time: 0.249
> > There was 1 failure:
> > 1)
> > testGraphKitTool(com.oracle.graal.compiler.test.tutorial.GraalTutorial)
> > java.lang.NullPointerException
> > at com.oracle.graal.nodes.Invoke.getContextMethod(Invoke.java:75)
> > at
> > com.oracle.graal.compiler.test.tutorial.GraalTutorial.testGraphKitTool(GraalTutorial.java:449)
> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > at
> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> > at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> > at java.lang.reflect.Method.invoke(Method.java:498)
> > at
> > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> > at
> > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> > at
> > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> > at
> > org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
> > at
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
> > at
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
> > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
> > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
> > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
> > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
> > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
> > at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
> > at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
> > at org.junit.runner.JUnitCore.run(JUnitCore.java:138)
> > at com.oracle.mxtool.junit.MxJUnitWrapper.main(MxJUnitWrapper.java:167)
> >
> >
> > What is the difference between these two scenarios??
> > Can I Interpret my graph instead of compile in graal in this case ??
> >
> > Thanks
> >
> > Bahram
> >
> > On Wed, Jun 15, 2016 at 8:21 PM, Gilles Duboscq
> > <gilles.m.duboscq at oracle.com <mailto:gilles.m.duboscq at oracle.com>>
> > wrote:
> >
> > Hi,
> >
> > Your InvokeNode does not seem to have a valid FrameState node.
> >
> > The reason why it's hard to create an InvokeNode out of the blue is
> > that in order to install code, it has to make sense for the VM.
> > For example, there needs to be a corresponding invoke bytecode
> > somewhere and there needs to be a state where the VM can
> > deoptimize to.
> >
> > Gilles
> >
> > On 15/06/16 17:35, Bahram Yarahmadi wrote:
> > > And this is the error that I always get
> > > [thread:1] scope:
> > > main.GraalCompilerRoot.GraalCompiler.FrontEnd.HighTier.CanonicalizerPhase.InterceptException
> > > Exception occurred in scope:
> > > main.GraalCompilerRoot.GraalCompiler.FrontEnd.HighTier.CanonicalizerPhase.InterceptException
> > > Context obj java.lang.NullPointerException
> > > Context obj
> > > com.oracle.graal.phases.common.CanonicalizerPhase at 77556fd
> > > Context obj
> > > com.oracle.graal.compiler.phases.HighTier at 368239c8
> > > Context obj StructuredGraph:1
> > > Context obj
> > > jdk.vm.ci.hotspot.HotSpotCodeCacheProvider at 3b192d32
> > > E
> > > testPrintBytecodes(com.oracle.graal.compiler.test.tutorial.GraalTutorial)
> > > java.lang.NullPointerException
> > > at
> > > com.oracle.graal.nodes.Invoke.getContextMethod(Invoke.java:75)
> > > at
> > > com.oracle.graal.nodes.java.MethodCallTargetNode.simplify(MethodCallTargetNode.java:165)
> > > at
> > > com.oracle.graal.phases.common.CanonicalizerPhase$Instance.tryCanonicalize(CanonicalizerPhase.java:308)
> > > at
> > > com.oracle.graal.phases.common.CanonicalizerPhase$Instance.processNode(CanonicalizerPhase.java:225)
> > > at
> > > com.oracle.graal.phases.common.CanonicalizerPhase$Instance.processWorkSet(CanonicalizerPhase.java:210)
> > > at
> > > com.oracle.graal.phases.common.CanonicalizerPhase$Instance.run(CanonicalizerPhase.java:180)
> > > at
> > > com.oracle.graal.phases.common.CanonicalizerPhase.run(CanonicalizerPhase.java:104)
> > > at
> > > com.oracle.graal.phases.common.CanonicalizerPhase.run(CanonicalizerPhase.java:1)
> > > at
> > > com.oracle.graal.phases.BasePhase.apply(BasePhase.java:143)
> > > at
> > > com.oracle.graal.phases.BasePhase.apply(BasePhase.java:133)
> > > at
> > > com.oracle.graal.phases.PhaseSuite.run(PhaseSuite.java:116)
> > > at
> > > com.oracle.graal.phases.BasePhase.apply(BasePhase.java:143)
> > > at
> > > com.oracle.graal.phases.BasePhase.apply(BasePhase.java:133)
> > > at
> > > com.oracle.graal.compiler.GraalCompiler.emitFrontEnd(GraalCompiler.java:200)
> > >
> > >
> > > On Wed, Jun 15, 2016 at 8:03 PM, Bahram Yarahmadi <
> > > bahram.yarahmadi at gmail.com <mailto:bahram.yarahmadi at gmail.com>>
> > > wrote:
> > >
> > >> Thanks for your help christian ,It worked
> > >> I want to modify the graph an insert my own InvokeNode with
> > >> MethodCallTargetNode to graph but according to the post from
> > >> this mailing
> > >> list (
> > >> http://mail.openjdk.java.net/pipermail/graal-dev/2013-July/000650.html"
> > >> it was impossible.Is it possible after about three years ?!
> > >> This is my code,I get an error when I try to run it with
> > >> unittest
> > >> StructuredGraph graph = new
> > >> StructuredGraph(AllowAssumptions.YES);
> > >> ReturnNode returnNode = graph.add(new ReturnNode(null));
> > >> ValueNode valueNode1 = new
> > >> ConstantNode(JavaConstant.forInt(154),
> > >> StampFactory.intValue());
> > >> ValueNode valueNode2 = new
> > >> ConstantNode(JavaConstant.forInt(25),
> > >> StampFactory.intValue());where and there needs to be a state
> > >> where the VM can deoptimize to.
> > >> ValueNode[] valueNodes = new ValueNode[2];
> > >> valueNodes[0] = valueNode1;
> > >> valueNodes[1] = valueNode2;
> > >> graph.addWithoutUnique(valueNode1);
> > >> graph.addWithoutUnique(valueNode2);
> > >> ResolvedJavaMethod method = findMethod(Student.class,
> > >> "SubInt");
> > >> MethodCallTargetNode callTarget = graph.add(new
> > >> MethodCallTargetNode(MethodCallTargetNode.InvokeKind.Static,
> > >> method, valueNodes, StampFactory.forDeclaredType(null,
> > >> method.getSignature().getReturnType(null), false), null));
> > >> InvokeNode ink = graph.add(new InvokeNode(callTarget,
> > >> BytecodeFrame.UNWIND_BCI));
> > >> graph.start().setNext(ink);
> > >> ink.setNext(returnNode);
> > >> OptimisticOptimizations optimisticOpts =
> > >> OptimisticOptimizations.ALL;
> > >> PhaseSuite<HighTierContext> graphBuilderSuite =
> > >> backend.getSuites().getDefaultGraphBuilderSuite();
> > >> Suites suites = backend.getSuites().getDefaultSuites();
> > >> LIRSuites lirSuites =
> > >> backend.getSuites().getDefaultLIRSuites();
> > >> ProfilingInfo profilingInfo =
> > >> graph.getProfilingInfo(method);
> > >> CompilationResult compilationResult = new
> > >> CompilationResult();
> > >> CompilationResultBuilderFactory factory =
> > >> CompilationResultBuilderFactory.Default;
> > >> GraalCompiler.compileGraph(graph, method, providers,
> > >> backend,
> > >> graphBuilderSuite,
> > >> optimisticOpts, profilingInfo, suites, lirSuites,
> > >> compilationResult, factory);
> > >> CompiledCode compiledCode =
> > >> backend.createCompiledCode(method,
> > >> compilationResult);
> > >> InstalledCode installedCode = codeCache.addCode(method,
> > >> compiledCode, null, null);
> > >> try {
> > >> installedCode.executeVarargs();
> > >>
> > >> } catch (InvalidInstalledCodeException e) {
> > >>
> > >> e.printStackTrace();
> > >> }
> > >> and by the way,Is it a correct way to compile a graph ? or It is
> > >> better to
> > >> write my own compilation phases
> > >>
> > >> Thanks again
> > >>
> > >> Regards
> > >>
> > >>
> > >>
> > >>
> > >> On Tue, Jun 14, 2016 at 10:54 PM, Christian Wimmer <
> > >> christian.wimmer at oracle.com
> > >> <mailto:christian.wimmer at oracle.com>> wrote:
> > >>
> > >>> Seems like you are not adding the ConstantNode to the graph.
> > >>>
> > >>> ValueNode valueNode1 = new
> > >>> ConstantNode(JavaConstant.forInt(154),
> > >>> StampFactory.intValue());
> > >>>
> > >>> should be
> > >>>
> > >>> ValueNode valueNode1 = graph.unique(new
> > >>> ConstantNode(JavaConstant.forInt(154),
> > >>> StampFactory.intValue()));
> > >>>
> > >>> Since constants are floating nodes, you need to use unique()
> > >>> instead of
> > >>> add() - but they still need to be made part of the graph.
> > >>>
> > >>> -Christian
> > >>>
> > >>>
> > >>>
> > >>> On 06/14/2016 01:44 AM, Bahram Yarahmadi wrote:
> > >>>
> > >>>> Hello guys,
> > >>>>
> > >>>> I want to build a graph manually but when I want to add an
> > >>>> invokeNode to
> > >>>> the graph I get an error
> > >>>> this is my code :
> > >>>> StructuredGraph graph = new
> > >>>> StructuredGraph(AllowAssumptions.YES);
> > >>>> ReturnNode returnNode = graph.add(new
> > >>>> ReturnNode(null));
> > >>>> ValueNode valueNode1 = new
> > >>>> ConstantNode(JavaConstant.forInt(154),
> > >>>> StampFactory.intValue());
> > >>>> ValueNode valueNode2 = new
> > >>>> ConstantNode(JavaConstant.forInt(25),
> > >>>> StampFactory.intValue());
> > >>>> ValueNode[] valueNodes = new ValueNode[2];
> > >>>> valueNodes[0] = valueNode1;
> > >>>> valueNodes[1] = valueNode2;
> > >>>> ResolvedJavaMethod method = findMethod(AA.class, "SubInt");
> > >>>> MethodCallTargetNode callTarget = graph.add(new
> > >>>> MethodCallTargetNode(MethodCallTargetNode.InvokeKind.Static,
> > >>>> method, valueNodes,
> > >>>> StampFactory.forDeclaredType(null,
> > >>>> method.getSignature().getReturnType(null), false), null));
> > >>>> InvokeNode ink = graph.add(new InvokeNode(callTarget,
> > >>>> BytecodeFrame.UNWIND_BCI));
> > >>>> graph.start().setNext(ink);
> > >>>> ink.setNext(returnNode);
> > >>>> Debug.dump(Debug.BASIC_LOG_LEVEL, graph, "Graph");
> > >>>> and my SubInt method is
> > >>>>
> > >>>> public static void SubInt(int a, int b) {
> > >>>> System.out.println("///");
> > >>>> }
> > >>>> but when I try to test with inittest I get this error :
> > >>>> testPrintBytecodes(com.oracle.graal.compiler.test.tutorial.GraalTutorial)
> > >>>> java.lang.AssertionError: Input not alive
> > >>>> at
> > >>>>
> > >>>> com.oracle.graal.graph.NodeClass.registerAtInputsAsUsageHelper(NodeClass.java:1257)
> > >>>> at
> > >>>>
> > >>>> com.oracle.graal.graph.NodeClass.registerAtInputsAsUsage(NodeClass.java:1245)
> > >>>> at com.oracle.graal.graph.Node.initialize(Node.java:593)
> > >>>> at com.oracle.graal.graph.Graph.addHelper(Graph.java:446)
> > >>>> at com.oracle.graal.graph.Graph.add(Graph.java:398)
> > >>>> at
> > >>>>
> > >>>> com.oracle.graal.compiler.test.tutorial.GraalTutorial.testPrintBytecodes(GraalTutorial.java:278)
> > >>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > >>>> Method)
> > >>>> at
> > >>>>
> > >>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> > >>>> at
> > >>>>
> > >>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> > >>>> at java.lang.reflect.Method.invoke(Method.java:498)
> > >>>>
> > >>>>
> > >>>>
> > >>>> Thanks again
> > >>>>
> > >>>> Bahram,
> > >>>>
> > >>>>
> > >>
> >
> >
> >
>
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