How to write a function call with Truffle
Remi Forax
forax at univ-mlv.fr
Thu Aug 15 12:34:40 PDT 2013
On 08/15/2013 05:34 PM, Thomas Wuerthinger wrote:
> The error message is a little bit misleading; we will fix this. The
> problem is actually in the method FunctionNode.execute. The loop
> accesses the array "slots" and gives it to the method Frame.setObject
> [1]. This parameter must evaluate to a constant, otherwise we cannot
> do the escape analysis of the accessed frame object. The recommended
> solution for this is to have an @Children array with individual nodes
> on the FunctionNode where each child node sets the value of one
> argument to one local variable (and each node has a final field
> referring to the slot; you can actually use your VarStoreNode for this!).
Ok, it works :)
Maybe, there is a need for an annotation like @Stable (see a recent mlvm
patch) to indicate that the array will not changed after construction.
>
> This solution will also later allow you to specialise on the primitive
> type of the local (the best possible place to look at for local
> variable specialisation are the ReadLocalNode and WriteLocalNode
> classes in the com.oracle.truffle.sl.nodes package).
I will.
I still have trouble to see how I can create an Arguments object which
is specialized.
>
> Otherwise, the way you are doing function calls looks fine. For
> performance the next steps would be to (a) create an inline cache for
> the call target via node rewriting (i.e., create a ResolvedFunCallNode
> and replace the FunCallNode with this node) and as a follow-up (b)
> perform function inlining via copying of the AST of the called
> function and directly executing it.
Because the association between a name and a function will not changed
often, I think I will try to use an Assumption instead of an IC and I
hope to avoid to have to rewrite the node for that.
>
> - thomas
>
> [1]
> http://lafo.ssw.uni-linz.ac.at/javadoc/graalvm/com.oracle.truffle.api/javadoc/com/oracle/truffle/api/frame/Frame.html#setObject(com.oracle.truffle.api.frame.FrameSlot,
> java.lang.Object)
> <http://lafo.ssw.uni-linz.ac.at/javadoc/graalvm/com.oracle.truffle.api/javadoc/com/oracle/truffle/api/frame/Frame.html#setObject%28com.oracle.truffle.api.frame.FrameSlot,%20java.lang.Object%29>
Rémi
>
> On Aug 15, 2013, at 5:05 PM, Remi Forax <forax at univ-mlv.fr
> <mailto:forax at univ-mlv.fr>> wrote:
>
>> On 08/15/2013 04:51 PM, Chris Seaton wrote:
>>> This looks like the virtual frame escaping problem. See
>>> https://wiki.openjdk.java.net/display/Graal/Truffle+FAQ+and+Guidelines#TruffleFAQandGuidelines-WhyamIgettingerrorsaboutescapingframes
>>> ?.
>>
>> yes,
>> in fact it's more like th entry just below, "Why am I getting errors
>> about materializing frames?"
>> The issue is that I don't think I use too much abstraction here,
>> hence my question,
>> how to do a method call ?
>>
>> The code that does a method call is here:
>> https://github.com/forax/ninal/blob/master/fr.umlv.ninal/src/fr/umlv/ninal/interpreter/Interpreter.java#L129
>> and the code that transfer the values from the arguments to the local
>> variables is here:
>> https://github.com/forax/ninal/blob/master/fr.umlv.ninal/src/fr/umlv/ninal/interpreter/Interpreter.java#L94
>>
>> Rémi
>>
>>>
>>>
>>> On 15 August 2013 15:38, Remi Forax <forax at univ-mlv.fr> wrote:
>>>
>>>> I've written a small 'not a lisp' language using Truffle
>>>> (using only the API part, not the DSL part)
>>>> https://github.com/forax/ninal
>>>>
>>>> but I've some trouble to understand how writing a function call,
>>>> so Graal/Truffle chokes when it tries to JIT the code for a simple fib
>>>> function like this:
>>>>
>>>> (def fib (n)
>>>> (if (< n 1)
>>>> 1
>>>> (+ (fib (- n 1)) (fib (- n 2)))
>>>> )
>>>> )
>>>>
>>>> (print (fib 17))
>>>>
>>>> [forax at localhost ninal]$ mx.sh --java-home=/usr/jdk/jdk1.8.0 vm
>>>> -G:+DumpOnError -XX:-BootstrapGraal -XX:+PrintCompilation -cp classes
>>>> fr.umlv.ninal.Main fib.ninal
>>>> 59 1 n
>>>> com.oracle.graal.hotspot.**bridge.CompilerToVMImpl::**executeCompiledMethodIntrinsic
>>>> (native) (static)
>>>> 193 2 n java.lang.System::arraycopy (native) (static)
>>>> 239 3 n sun.misc.Unsafe::getInt (native)
>>>> 0 2 sun.nio.cs.UTF_8$Encoder::**encode(char[],
>>>> int,
>>>> int, byte[]) (359 bytes)
>>>> 0 1 java.lang.String::charAt(int) (29 bytes)
>>>> 0 3 java.lang.String::indexOf(int, int) (70 bytes)
>>>> 0 4 java.lang.String::hashCode() (55 bytes)
>>>> using Graal Truffle Runtime
>>>> IfNode(sourceSection = null) {
>>>> condition = TestOpNode(sourceSection = null, binOp = LT) {
>>>> leftNode = VarLoadNode(sourceSection = null, slot =
>>>> [0,:n,Object])
>>>> rightNode = ConstNode(sourceSection = null, constant = 1)
>>>> }
>>>> trueNode = ConstNode(sourceSection = null, constant = 1)
>>>> falseNode = NumberOpNode(sourceSection = null, binOp = ADD) {
>>>> leftNode = FunCallNode(sourceSection = null, name = :fib) {
>>>> argumentNodes = [NumberOpNode(sourceSection = null, binOp =
>>>> SUB) {
>>>> leftNode = VarLoadNode(sourceSection = null, slot =
>>>> [0,:n,Object])
>>>> rightNode = ConstNode(sourceSection = null,
>>>> constant = 1)
>>>> }]
>>>> }
>>>> rightNode = FunCallNode(sourceSection = null, name = :fib) {
>>>> argumentNodes = [NumberOpNode(sourceSection = null, binOp =
>>>> SUB) {
>>>> leftNode = VarLoadNode(sourceSection = null, slot =
>>>> [0,:n,Object])
>>>> rightNode = ConstNode(sourceSection = null,
>>>> constant = 2)
>>>> }]
>>>> }
>>>> }
>>>> }
>>>> 648 4 n sun.misc.Unsafe::getObject (native)
>>>> 651 5 n java.lang.Thread::**currentThread (native)
>>>> (static)
>>>> 736 6 n java.lang.Object::getClass (native)
>>>> 742 7 n java.lang.Class::isInstance (native)
>>>> 795 8 n java.lang.Object::hashCode (native)
>>>> 874 9 n sun.misc.Unsafe::**getObjectVolatile (native)
>>>> 878 10 n java.lang.System::**identityHashCode (native)
>>>> (static)
>>>> 1012 11 n java.lang.Object::clone (native)
>>>> 1228 12 n sun.misc.Unsafe::putObject (native)
>>>> 0 5 java.io.DataOutputStream::**writeUTF(String,
>>>> DataOutput) (435 bytes)
>>>> 0 7 java.util.HashMap::indexFor(**int, int) (6
>>>> bytes)
>>>> 0 8 java.lang.CharacterDataLatin1:**:isWhitespace(int) (23
>>>> bytes)
>>>> 0 6 java.lang.String::indexOf(**char[], int, int,
>>>> char[], int, int, int) (166 bytes)
>>>> 0 9
>>>> sun.reflect.generics.parser.**SignatureParser::**parseIdentifier()
>>>> (115 bytes)
>>>> 1404 13 n java.lang.Class::isPrimitive (native)
>>>> 0 10 java.util.HashMap::transfer(**Object[]) (155
>>>> bytes)
>>>> 1746 14 n java.lang.Class::**getComponentType (native)
>>>> 1762 15 n java.lang.reflect.Array::**newArray (native)
>>>> (static)
>>>> 0 11 java.lang.String::replace(**char, char) (127
>>>> bytes)
>>>> 2709 16 n java.lang.Class::**isAssignableFrom (native)
>>>> 3756 17 n sun.reflect.Reflection::**getCallerClass
>>>> (native) (static)
>>>> 3760 18 n java.lang.Class::getModifiers (native)
>>>> 3761 19 n java.lang.Class::**getClassLoader0 (native)
>>>> 0 12
>>>> sun.reflect.generics.parser.**SignatureParser::current() (40
>>>> bytes)
>>>> 0 13 java.lang.Object::<init>() (1 bytes)
>>>> 0 14 java.lang.Character::**isWhitespace(char) (5
>>>> bytes)
>>>> 0 15 java.lang.Character::**isWhitespace(int) (9
>>>> bytes)
>>>> 0 16 java.lang.StringBuilder::<**init>() (7 bytes)
>>>> 4809 20 n sun.reflect.ConstantPool::**getUTF8At0
>>>> (native)
>>>> 5389 21 n sun.misc.Unsafe::getLong (native)
>>>> 6554 22 n sun.misc.Unsafe::getShort (native)
>>>> 0 17 java.lang.CharacterData::of(**int) (120 bytes)
>>>> 0 18 java.lang.CharacterDataLatin1:**:getProperties(int) (11
>>>> bytes)
>>>> 0 19
>>>> java.lang.**AbstractStringBuilder::**ensureCapacityInternal(int)
>>>> (16 bytes)
>>>> 0 20 java.lang.String::lastIndexOf(**int, int) (52
>>>> bytes)
>>>> 0 21 java.lang.Math::min(int, int) (11 bytes)
>>>> 0 22 java.lang.String::equals(**Object) (81 bytes)
>>>> 0 23
>>>> java.util.ArrayList::access$**100(ArrayList) (5
>>>> bytes)
>>>> 0 24 java.lang.ref.Reference::get() (5 bytes)
>>>> 0 25 java.util.HashMap::hash(**Object) (33 bytes)
>>>> 7227 23 n java.lang.Class::**getConstantPool (native)
>>>> 0 26 java.lang.reflect.Method::**getName() (5
>>>> bytes)
>>>> 0 27 java.lang.String::startsWith(**String,
>>>> int) (72
>>>> bytes)
>>>> 0 28
>>>> com.oracle.graal.hotspot.meta.**HotSpotSignature::**parseSignature(String,
>>>> int) (199 bytes)
>>>> 0 29 java.util.ArrayList::size() (5 bytes)
>>>> 0 30 java.lang.**AbstractStringBuilder::append(**char) (29
>>>> bytes)
>>>> 0 31 java.lang.StringBuilder::**append(char) (8
>>>> bytes)
>>>> 0 32 java.util.HashMap$Entry::<**init>(int, Object,
>>>> Object, Object) (26 bytes)
>>>> 0 33 java.util.Arrays::copyOfRange(**char[], int,
>>>> int) (63 bytes)
>>>> 0 34 java.lang.String::<init>(char[**], int,
>>>> int) (62
>>>> bytes)
>>>> 0 35 com.oracle.graal.graph.Graph::**access$000(Graph) (5
>>>> bytes)
>>>> 0 36 java.lang.String::length() (6 bytes)
>>>> 8064 24 n sun.misc.Unsafe::getBoolean (native)
>>>> 0 37 java.util.HashMap::get(Object) (20 bytes)
>>>> 0 38 java.util.ArrayList::**rangeCheck(int) (22
>>>> bytes)
>>>> 0 39 java.util.ArrayList::**elementData(int) (7
>>>> bytes)
>>>> 0 40
>>>> sun.reflect.generics.parser.**SignatureParser::advance() (37
>>>> bytes)
>>>> 0 41 java.util.ArrayList::get(int) (11 bytes)
>>>> 0 42 java.util.HashMap$Entry::**getValue() (5
>>>> bytes)
>>>> 0 43 com.oracle.graal.graph.Node::**id() (5 bytes)
>>>> 0 44 java.lang.ThreadLocal::access$**400(ThreadLocal) (5 bytes)
>>>> 0 45 java.lang.ThreadLocal::getMap(**Thread) (5
>>>> bytes)
>>>> 0 46 java.lang.ThreadLocal::get() (38 bytes)
>>>> 0 47
>>>> java.lang.ThreadLocal$**ThreadLocalMap::getEntry(**ThreadLocal)
>>>> (42 bytes)
>>>> 0 48
>>>> java.lang.ThreadLocal$**ThreadLocalMap::access$000(**ThreadLocal$ThreadLocalMap,
>>>> ThreadLocal) (6 bytes)
>>>> 0 49
>>>> com.oracle.graal.graph.**NodeClass$NodeClassIterator::**forward()
>>>> (161 bytes)
>>>> 0 50 java.util.BitSet::wordIndex(**int) (5 bytes)
>>>> 0 51
>>>> com.oracle.graal.graph.Node::**getNodeClass() (5
>>>> bytes)
>>>> 0 52 java.util.ArrayList::**ensureExplicitCapacity(int) (26
>>>> bytes)
>>>> 8600 25 n java.lang.String::intern (native)
>>>> 0 53 java.util.ArrayList::**ensureCapacityInternal(int) (23
>>>> bytes)
>>>> 0 54 java.util.BitSet::**checkInvariants() (111
>>>> bytes)
>>>> 0 55 com.oracle.graal.graph.**NodeClass::getNode(Node,
>>>> long) (12
>>>> bytes)
>>>> 0 56 java.util.ArrayList$Itr::**hasNext() (20
>>>> bytes)
>>>> 0 57
>>>> com.oracle.graal.debug.**internal.DebugScope::**getInstance()
>>>> (53 bytes)
>>>> 0 58 java.util.ArrayList::add(**Object) (29 bytes)
>>>> 0 59
>>>> com.oracle.graal.graph.**NodeClass$NodeClassIterator::**hasNext()
>>>> (83 bytes)
>>>> 0 60 com.oracle.graal.graph.Graph$**NodeIterator::forward() (62
>>>> bytes)
>>>> 0 61 com.oracle.graal.graph.**NodeClass::access$300(Node, long)
>>>> (6 bytes)
>>>> 0 62
>>>> com.oracle.graal.graph.**iterators.**AbstractNodeIterable::<init>()
>>>> (5 bytes)
>>>> 0 63 com.oracle.graal.graph.Node::**isAlive() (13
>>>> bytes)
>>>> 0 64 java.util.ArrayList$Itr::**checkForComodification() (23
>>>> bytes)
>>>> 0 65 java.util.BitSet::get(int) (69 bytes)
>>>> 0 66 java.util.ArrayList$Itr::next(**) (66 bytes)
>>>> 0 67 com.oracle.graal.graph.**NodeBitMap::isMarked(Node) (12
>>>> bytes)
>>>> 0 68
>>>> com.oracle.graal.graph.**NodeUsagesList::access$100(**NodeUsagesList)
>>>> (5 bytes)
>>>> 0 69 com.oracle.graal.graph.**NodeUsagesList$1::hasNext() (48
>>>> bytes)
>>>> 0 70
>>>> com.oracle.graal.debug.**internal.DebugScope::**getQualifiedName()
>>>> (5 bytes)
>>>> 0 71
>>>> com.oracle.graal.compiler.**GraalDebugConfig::**checkDebugFilter(String,
>>>> DebugFilter) (18 bytes)
>>>> 0 72 com.oracle.graal.debug.Debug::**currentScope() (16 bytes)
>>>> 0 73
>>>> com.oracle.graal.compiler.**GraalDebugConfig::isEnabled(**DebugFilter)
>>>> (23 bytes)
>>>> 0 74
>>>> com.oracle.graal.graph.Graph$**NodeIterator::**checkForDeletedNode()
>>>> (65 bytes)
>>>> 0 75 com.oracle.graal.graph.Graph$**NodeIterator::hasNext() (27
>>>> bytes)
>>>> 0 76 com.oracle.graal.graph.**NodeMap::check(Node)
>>>> (88 bytes)
>>>> 0 77 java.util.AbstractCollection::**<init>() (5 bytes)
>>>> 0 78 com.oracle.graal.graph.**iterators.**
>>>> PredicatedProxyNodeIterator::**forward() (113 bytes)
>>>> 0 79 com.oracle.graal.graph.**NodeMap::size() (6
>>>> bytes)
>>>> 0 80 com.oracle.graal.graph.**NodeMap::isNew(Node)
>>>> (17 bytes)
>>>> 10220 26 n java.lang.Class::forName0 (native) (static)
>>>> 0 81
>>>> com.oracle.graal.graph.**NodeMap::get(Node) (15
>>>> bytes)
>>>> 0 82 com.oracle.graal.graph.Graph$**NodeIterator::next() (31
>>>> bytes)
>>>> 10292 27 n sun.misc.Unsafe::getByte (native)
>>>> 0 83 com.oracle.graal.graph.Graph$**NodeIterator::next() (5
>>>> bytes)
>>>> 0 84 com.oracle.graal.graph.**NodeClassIterable::<init>() (5
>>>> bytes)
>>>> 0 85 com.oracle.graal.graph.Node::**modCount() (5
>>>> bytes)
>>>> 0 86
>>>> com.oracle.graal.graph.**NodeClass$NodeClassIterator::<**init>(Node,
>>>> long[], int, NodeClass$1) (8 bytes)
>>>> 10541 28 n sun.misc.Unsafe::getLong (native)
>>>> 0 87
>>>> com.oracle.graal.graph.**NodeClass$NodeClassIterator::<**init>(Node,
>>>> long[], int) (42 bytes)
>>>> 0 88 java.util.HashMap$**HashIterator::findNextBin() (66 bytes)
>>>> 0 89 java.util.Arrays::copyOf(char[**], int) (19
>>>> bytes)
>>>> 0 90 com.oracle.graal.graph.**NodeUsagesList$1::next() (48
>>>> bytes)
>>>> 0 91 com.oracle.graal.graph.**NodeUsagesList$1::next() (5
>>>> bytes)
>>>> 0 92
>>>> com.oracle.graal.graph.**NodeClass$NodeClassIterator::**next()
>>>> (74 bytes)
>>>> 0 93
>>>> com.oracle.graal.graph.**NodeClass$NodeClassIterator::**nextElement()
>>>> (74 bytes)
>>>> 0 94
>>>> java.lang.**AbstractStringBuilder::**expandCapacity(int) (50
>>>> bytes)
>>>> 0 95 com.oracle.graal.nodes.cfg.**Block::getId() (5
>>>> bytes)
>>>> 0 96 com.oracle.graal.graph.**iterators.NodePredicates$**
>>>> PositiveTypePredicate::apply(**Node) (35 bytes)
>>>> 0 97 java.util.HashMap::put(Object, Object)
>>>> (300 bytes)
>>>> 0 98
>>>> sun.reflect.**ClassFileAssembler::**emitConstantPoolUTF8(String)
>>>> (50 bytes)
>>>> 0 99 sun.reflect.UTF8::encode(**String) (191 bytes)
>>>> 0 100 sun.reflect.UTF8::utf8Length(**String) (81
>>>> bytes)
>>>> 0 101
>>>> com.oracle.graal.nodes.cfg.**ControlFlowGraph::**getNodeToBlock()
>>>> (5 bytes)
>>>> 0 102 java.lang.Enum::ordinal() (5 bytes)
>>>> 0 103 java.io.ByteArrayOutputStream:**:ensureCapacity(int) (16
>>>> bytes)
>>>> 0 104 java.util.Arrays::fill(Object[**], Object) (21
>>>> bytes)
>>>> 0 105 sun.reflect.generics.parser.**SignatureParser::**
>>>> parsePackageNameAndSimpleClass**TypeSignature() (139 bytes)
>>>> 0 106 java.util.HashMap::**createEntry(int, Object,
>>>> Object, int, boolean) (131 bytes)
>>>> 12621 -1 java.lang.String::indexOf (166 bytes) made not
>>>> entrant
>>>> scope: Truffle.createGraph.**PartialEscape.iteration
>>>> 0.InterceptException
>>>> Exception occurred in scope:
>>>> Truffle.createGraph.**PartialEscape.iteration
>>>> 0.InterceptException
>>>> Context obj com.oracle.graal.nodes.util.**GraphUtil$2: Must not let
>>>> virtual frame object escape at node 100|FrameSetByte. Insert a call to
>>>> VirtualFrame.materialize() to convert the instance to a
>>>> materialized frame
>>>> object (source position of following stack trace is approximate)
>>>> Context obj com.oracle.graal.virtual.**phases.ea.PartialEscapePhase@**
>>>> 38089dae
>>>> Context obj
>>>> StructuredGraph:6{**HotSpotMethod<**OptimizedCallTarget.**executeHelper(PackedFrame,
>>>> Arguments)>}
>>>> Could not connect to the IGV on 127.0.0.1:4445 :
>>>> java.net.ConnectException: Connection refused
>>>> Context obj DebugDumpScope[Truffle: FunctionNode at 4dcbadb4]
>>>> [truffle] opt failed FunctionNode at 4dcbadb4
>>>> com.oracle.graal.nodes.util.**GraphUtil$2:
>>>> Must not let virtual frame object escape at node 100|FrameSetByte.
>>>> Insert a
>>>> call to VirtualFrame.materialize() to convert the instance to a
>>>> materialized frame object (source position of following stack trace is
>>>> approximate)
>>>> com.oracle.graal.nodes.util.**GraphUtil$2: Must not let virtual frame
>>>> object escape at node 100|FrameSetByte. Insert a call to
>>>> VirtualFrame.materialize() to convert the instance to a
>>>> materialized frame
>>>> object (source position of following stack trace is approximate)
>>>> Caused by: com.oracle.graal.graph.**GraalInternalError: Must not let
>>>> virtual frame object escape at node 100|FrameSetByte. Insert a call to
>>>> VirtualFrame.materialize() to convert the instance to a
>>>> materialized frame
>>>> object (source position of following stack trace is approximate)
>>>> at com.oracle.graal.truffle.**nodes.NewFrameNode.**
>>>> getMaterializedRepresentationH**elper(NewFrameNode.java:130)
>>>> at com.oracle.graal.truffle.**nodes.NewFrameNode$**
>>>> VirtualOnlyInstanceNode.**getMaterializedRepresentation(**
>>>> NewFrameNode.java:107)
>>>> at
>>>> com.oracle.graal.virtual.**phases.ea.**PartialEscapeBlockState.**
>>>> materializeWithCommit(**PartialEscapeBlockState.java:**93)
>>>> at
>>>> com.oracle.graal.virtual.**phases.ea.**PartialEscapeBlockState.**
>>>> materializeBefore(**PartialEscapeBlockState.java:**83)
>>>> at com.oracle.graal.virtual.**phases.ea.**PartialEscapeClosure.**
>>>> ensureMaterialized(**PartialEscapeClosure.java:207)
>>>> at com.oracle.graal.virtual.**phases.ea.**PartialEscapeClosure.**
>>>> replaceWithMaterialized(**PartialEscapeClosure.java:215)
>>>> at com.oracle.graal.virtual.**phases.ea.**PartialEscapeClosure.**
>>>> processNode(**PartialEscapeClosure.java:196)
>>>> at com.oracle.graal.virtual.**phases.ea.**PartialEscapeClosure.**
>>>> processNode(**PartialEscapeClosure.java:98)
>>>> at
>>>> com.oracle.graal.virtual.**phases.ea.**PEReadEliminationClosure.**
>>>> processNode(**PEReadEliminationClosure.java:**54)
>>>> at
>>>> com.oracle.graal.virtual.**phases.ea.**PEReadEliminationClosure.**
>>>> processNode(**PEReadEliminationClosure.java:**41)
>>>> at com.oracle.graal.virtual.**phases.ea.EffectsClosure.**
>>>> processBlock(EffectsClosure.**java:121)
>>>> at com.oracle.graal.virtual.**phases.ea.EffectsClosure.**
>>>> processBlock(EffectsClosure.**java:39)
>>>> at com.oracle.graal.phases.graph.**ReentrantBlockIterator.apply(**
>>>> ReentrantBlockIterator.java:**91)
>>>> at com.oracle.graal.phases.graph.**ReentrantBlockIterator.**
>>>> processLoop(**ReentrantBlockIterator.java:**56)
>>>> at com.oracle.graal.virtual.**phases.ea.EffectsClosure.**
>>>> processLoop(EffectsClosure.**java:149)
>>>> at com.oracle.graal.virtual.**phases.ea.EffectsClosure.**
>>>> processLoop(EffectsClosure.**java:39)
>>>> at com.oracle.graal.phases.graph.**ReentrantBlockIterator.apply(**
>>>> ReentrantBlockIterator.java:**108)
>>>> at com.oracle.graal.phases.graph.**ReentrantBlockIterator.apply(**
>>>> ReentrantBlockIterator.java:**76)
>>>> at com.oracle.graal.virtual.**phases.ea.EffectsPhase$1.call(**
>>>> EffectsPhase.java:69)
>>>> at com.oracle.graal.virtual.**phases.ea.EffectsPhase$1.call(**
>>>> EffectsPhase.java:62)
>>>> at com.oracle.graal.debug.**internal.DebugScope.call(**
>>>> DebugScope.java:311)
>>>> at com.oracle.graal.debug.**internal.DebugScope.**
>>>> executeScope(DebugScope.java:**192)
>>>> at com.oracle.graal.debug.**internal.DebugScope.scope(**
>>>> DebugScope.java:177)
>>>> at com.oracle.graal.debug.Debug.**scope(Debug.java:155)
>>>> at com.oracle.graal.debug.Debug.**scope(Debug.java:126)
>>>> at com.oracle.graal.virtual.**phases.ea.EffectsPhase.**
>>>> runAnalysis(EffectsPhase.java:**62)
>>>> at com.oracle.graal.virtual.**phases.ea.PartialEscapePhase.**
>>>> run(PartialEscapePhase.java:**63)
>>>> at com.oracle.graal.virtual.**phases.ea.PartialEscapePhase.**
>>>> run(PartialEscapePhase.java:**41)
>>>> at com.oracle.graal.phases.**BasePhase$1.run(BasePhase.**java:62)
>>>> at com.oracle.graal.debug.**internal.DebugScope.**
>>>> executeScope(DebugScope.java:**189)
>>>> at com.oracle.graal.debug.**internal.DebugScope.scope(**
>>>> DebugScope.java:177)
>>>> at com.oracle.graal.debug.Debug.**scope(Debug.java:135)
>>>> at com.oracle.graal.debug.Debug.**scope(Debug.java:130)
>>>> at com.oracle.graal.phases.**BasePhase.apply(BasePhase.**java:59)
>>>> at com.oracle.graal.phases.**BasePhase.apply(BasePhase.**java:55)
>>>> at com.oracle.graal.truffle.**PartialEvaluator$1.run(**
>>>> PartialEvaluator.java:180)
>>>> at com.oracle.graal.debug.**internal.DebugScope.**
>>>> executeScope(DebugScope.java:**189)
>>>> at com.oracle.graal.debug.**internal.DebugScope.scope(**
>>>> DebugScope.java:177)
>>>> at com.oracle.graal.debug.Debug.**scope(Debug.java:135)
>>>> at com.oracle.graal.debug.Debug.**scope(Debug.java:130)
>>>> at com.oracle.graal.truffle.**PartialEvaluator.createGraph(**
>>>> PartialEvaluator.java:112)
>>>> at
>>>> com.oracle.graal.truffle.**TruffleCompilerImpl.**compileMethodImpl(
>>>> **TruffleCompilerImpl.java:118)
>>>> at com.oracle.graal.truffle.**TruffleCompilerImpl.access$**
>>>> 000(TruffleCompilerImpl.java:**54)
>>>> at com.oracle.graal.truffle.**TruffleCompilerImpl$1.call(**
>>>> TruffleCompilerImpl.java:105)
>>>> at com.oracle.graal.truffle.**TruffleCompilerImpl$1.call(**
>>>> TruffleCompilerImpl.java:101)
>>>> at com.oracle.graal.debug.**internal.DebugScope.call(**
>>>> DebugScope.java:311)
>>>> at com.oracle.graal.debug.**internal.DebugScope.**
>>>> executeScope(DebugScope.java:**192)
>>>> at com.oracle.graal.debug.**internal.DebugScope.scope(**
>>>> DebugScope.java:177)
>>>> at com.oracle.graal.debug.Debug.**scope(Debug.java:155)
>>>> at com.oracle.graal.truffle.**TruffleCompilerImpl.compile(**
>>>> TruffleCompilerImpl.java:101)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.compile(**
>>>> OptimizedCallTarget.java:140)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**compileOrInline(**
>>>> OptimizedCallTarget.java:128)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:116)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:216)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:216)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:216)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:217)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:217)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:216)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:217)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:216)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:217)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:216)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:216)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:216)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$NumberOpNode.eval(**
>>>> Interpreter.java:216)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$IfNode.eval(**
>>>> Interpreter.java:383)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunctionNode.**
>>>> execute(Interpreter.java:107)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$FunCallNode.eval(**
>>>> Interpreter.java:156)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$PrintNode.eval(**
>>>> Interpreter.java:355)
>>>> at fr.umlv.ninal.interpreter.**Interpreter$EvalNode.execute(**
>>>> Interpreter.java:77)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**executeHelper(**
>>>> OptimizedCallTarget.java:174)
>>>> at
>>>> com.oracle.graal.truffle.**OptimizedCallTarget.**interpreterCall(**
>>>> OptimizedCallTarget.java:114)
>>>> at com.oracle.graal.truffle.**OptimizedCallTarget.call(**
>>>> OptimizedCallTarget.java:89)
>>>> at com.oracle.truffle.api.**CallTarget.call(CallTarget.**java:42)
>>>> at fr.umlv.ninal.interpreter.**Interpreter.interpret(**
>>>> Interpreter.java:605)
>>>> at fr.umlv.ninal.Main.main(Main.**java:22)
>>>>
>>>>
>>>> Rémi
>>>>
>>>>
>>
>
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