com.oracle.truffle.nfi.backend.libffi.FunctionExecuteNodeGen Maven / Gradle / Ivy
// CheckStyle: start generated
package com.oracle.truffle.nfi.backend.libffi;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.TruffleLanguage;
import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.dsl.GenerateAOT;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.dsl.NeverDefault;
import com.oracle.truffle.api.dsl.DSLSupport.SpecializationDataNode;
import com.oracle.truffle.api.dsl.InlineSupport.InlineTarget;
import com.oracle.truffle.api.dsl.InlineSupport.ReferenceField;
import com.oracle.truffle.api.dsl.InlineSupport.RequiredField;
import com.oracle.truffle.api.dsl.InlineSupport.StateField;
import com.oracle.truffle.api.interop.ArityException;
import com.oracle.truffle.api.interop.UnsupportedTypeException;
import com.oracle.truffle.api.nodes.DenyReplace;
import com.oracle.truffle.api.nodes.DirectCallNode;
import com.oracle.truffle.api.nodes.ExplodeLoop;
import com.oracle.truffle.api.nodes.IndirectCallNode;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.NodeCost;
import com.oracle.truffle.api.nodes.RootNode;
import com.oracle.truffle.nfi.backend.libffi.LibFFISignature.CachedSignatureInfo;
import java.lang.invoke.VarHandle;
import java.util.Objects;
import java.util.concurrent.locks.ReentrantLock;
/**
* Debug Info:
* Specialization {@link FunctionExecuteNode#cachedSignature}
* Activation probability: 0.65000
* With/without class size: 22/8 bytes
* Specialization {@link FunctionExecuteNode#genericExecute}
* Activation probability: 0.35000
* With/without class size: 11/4 bytes
*
*/
@GeneratedBy(FunctionExecuteNode.class)
@SuppressWarnings("javadoc")
final class FunctionExecuteNodeGen {
private static final Uncached UNCACHED = new Uncached();
@NeverDefault
public static FunctionExecuteNode getUncached() {
return FunctionExecuteNodeGen.UNCACHED;
}
/**
* Required Fields:
* - {@link Inlined#state_0_}
*
- {@link Inlined#cachedSignature_cache}
*
- {@link Inlined#genericExecute_execute_}
*
*/
@NeverDefault
public static FunctionExecuteNode inline(@RequiredField(bits = 3, value = StateField.class)@RequiredField(type = Node.class, value = ReferenceField.class)@RequiredField(type = Node.class, value = ReferenceField.class) InlineTarget target) {
return new FunctionExecuteNodeGen.Inlined(target);
}
@GeneratedBy(FunctionExecuteNode.class)
@DenyReplace
private static final class Inlined extends FunctionExecuteNode implements GenerateAOT.Provider {
/**
* State Info:
* 0: AOTPrepared
* 1: SpecializationActive {@link FunctionExecuteNode#cachedSignature}
* 2: SpecializationActive {@link FunctionExecuteNode#genericExecute}
*
*/
private final StateField state_0_;
private final ReferenceField cachedSignature_cache;
private final ReferenceField genericExecute_execute_;
@SuppressWarnings("unchecked")
private Inlined(InlineTarget target) {
assert target.getTargetClass().isAssignableFrom(FunctionExecuteNode.class);
this.state_0_ = target.getState(0, 3);
this.cachedSignature_cache = target.getReference(1, CachedSignatureData.class);
this.genericExecute_execute_ = target.getReference(2, IndirectCallNode.class);
}
@ExplodeLoop
@Override
public Object execute(Node arg0Value, long arg1Value, LibFFISignature arg2Value, Object[] arg3Value) throws ArityException, UnsupportedTypeException {
int state_0 = this.state_0_.get(arg0Value);
if (CompilerDirectives.inInterpreter() && (state_0 & 0b1) != 0 /* is AOTPrepared */) {
return executeAndSpecialize(arg0Value, arg1Value, arg2Value, arg3Value);
}
if ((state_0 & 0b110) != 0 /* is SpecializationActive[FunctionExecuteNode.cachedSignature(long, LibFFISignature, Object[], CachedSignatureInfo, DirectCallNode)] || SpecializationActive[FunctionExecuteNode.genericExecute(long, LibFFISignature, Object[], IndirectCallNode)] */) {
if ((state_0 & 0b10) != 0 /* is SpecializationActive[FunctionExecuteNode.cachedSignature(long, LibFFISignature, Object[], CachedSignatureInfo, DirectCallNode)] */) {
CachedSignatureData s0_ = this.cachedSignature_cache.get(arg0Value);
while (s0_ != null) {
if ((arg2Value.signatureInfo == s0_.cachedInfo_)) {
return cachedSignature(arg1Value, arg2Value, arg3Value, s0_.cachedInfo_, s0_.execute_);
}
s0_ = s0_.next_;
}
}
if ((state_0 & 0b100) != 0 /* is SpecializationActive[FunctionExecuteNode.genericExecute(long, LibFFISignature, Object[], IndirectCallNode)] */) {
{
IndirectCallNode execute__ = this.genericExecute_execute_.get(arg0Value);
if (execute__ != null) {
return FunctionExecuteNode.genericExecute(arg1Value, arg2Value, arg3Value, execute__);
}
}
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return executeAndSpecialize(arg0Value, arg1Value, arg2Value, arg3Value);
}
private Object executeAndSpecialize(Node arg0Value, long arg1Value, LibFFISignature arg2Value, Object[] arg3Value) {
int state_0 = this.state_0_.get(arg0Value);
if ((state_0 & 0b1) != 0 /* is AOTPrepared */) {
this.resetAOT_(arg0Value);
state_0 = this.state_0_.get(arg0Value);
}
if (((state_0 & 0b100)) == 0 /* is-not SpecializationActive[FunctionExecuteNode.genericExecute(long, LibFFISignature, Object[], IndirectCallNode)] */) {
while (true) {
int count0_ = 0;
CachedSignatureData s0_ = this.cachedSignature_cache.getVolatile(arg0Value);
CachedSignatureData s0_original = s0_;
while (s0_ != null) {
if ((arg2Value.signatureInfo == s0_.cachedInfo_)) {
break;
}
count0_++;
s0_ = s0_.next_;
}
if (s0_ == null) {
// assert (arg2Value.signatureInfo == s0_.cachedInfo_);
if (count0_ < (3)) {
s0_ = arg0Value.insert(new CachedSignatureData(s0_original));
s0_.cachedInfo_ = (arg2Value.signatureInfo);
DirectCallNode execute__1 = s0_.insert((FunctionExecuteNode.createCachedSignatureCall(s0_.cachedInfo_)));
Objects.requireNonNull(execute__1, "Specialization 'cachedSignature(long, LibFFISignature, Object[], CachedSignatureInfo, DirectCallNode)' cache 'execute' returned a 'null' default value. The cache initializer must never return a default value for this cache. Use @Cached(neverDefault=false) to allow default values for this cached value or make sure the cache initializer never returns 'null'.");
s0_.execute_ = execute__1;
if (!this.cachedSignature_cache.compareAndSet(arg0Value, s0_original, s0_)) {
continue;
}
state_0 = state_0 | 0b10 /* add SpecializationActive[FunctionExecuteNode.cachedSignature(long, LibFFISignature, Object[], CachedSignatureInfo, DirectCallNode)] */;
this.state_0_.set(arg0Value, state_0);
}
}
if (s0_ != null) {
return cachedSignature(arg1Value, arg2Value, arg3Value, s0_.cachedInfo_, s0_.execute_);
}
break;
}
}
VarHandle.storeStoreFence();
this.genericExecute_execute_.set(arg0Value, arg0Value.insert((IndirectCallNode.create())));
this.cachedSignature_cache.set(arg0Value, null);
state_0 = state_0 & 0xfffffffd /* remove SpecializationActive[FunctionExecuteNode.cachedSignature(long, LibFFISignature, Object[], CachedSignatureInfo, DirectCallNode)] */;
state_0 = state_0 | 0b100 /* add SpecializationActive[FunctionExecuteNode.genericExecute(long, LibFFISignature, Object[], IndirectCallNode)] */;
this.state_0_.set(arg0Value, state_0);
return FunctionExecuteNode.genericExecute(arg1Value, arg2Value, arg3Value, this.genericExecute_execute_.get(arg0Value));
}
@Override
public boolean isAdoptable() {
return false;
}
@Override
public void prepareForAOT(TruffleLanguage language, RootNode root, Node arg0Value) {
assert !isAdoptable() || ((ReentrantLock) getLock()).isHeldByCurrentThread() : "During prepare AST lock must be held.";
if ((state_0_.get(arg0Value) & 0b1) != 0 /* is AOTPrepared */) {
return;
}
{
VarHandle.storeStoreFence();
this.genericExecute_execute_.set(arg0Value, arg0Value.insert((IndirectCallNode.create())));
this.cachedSignature_cache.set(arg0Value, null);
this.state_0_.set(arg0Value, state_0_.get(arg0Value) & 0xfffffffd /* remove SpecializationActive[FunctionExecuteNode.cachedSignature(long, LibFFISignature, Object[], CachedSignatureInfo, DirectCallNode)] */);
this.state_0_.set(arg0Value, state_0_.get(arg0Value) | 0b100 /* add SpecializationActive[FunctionExecuteNode.genericExecute(long, LibFFISignature, Object[], IndirectCallNode)] */);
}
int state_0 = this.state_0_.get(arg0Value);
state_0 = state_0 | 0b1 /* add AOTPrepared */;
this.state_0_.set(arg0Value, state_0);
}
private void resetAOT_(Node arg0Value) {
int state_0 = this.state_0_.get(arg0Value);
if (((state_0 & 0b1)) == 0 /* is-not AOTPrepared */) {
return;
}
this.state_0_.set(arg0Value, 0);
this.genericExecute_execute_.set(arg0Value, null);
}
}
@GeneratedBy(FunctionExecuteNode.class)
@DenyReplace
private static final class CachedSignatureData extends Node implements SpecializationDataNode {
@Child CachedSignatureData next_;
/**
* Source Info:
* Specialization: {@link FunctionExecuteNode#cachedSignature}
* Parameter: {@link CachedSignatureInfo} cachedInfo
*/
@CompilationFinal CachedSignatureInfo cachedInfo_;
/**
* Source Info:
* Specialization: {@link FunctionExecuteNode#cachedSignature}
* Parameter: {@link DirectCallNode} execute
*/
@Child DirectCallNode execute_;
CachedSignatureData(CachedSignatureData next_) {
this.next_ = next_;
}
@Override
public NodeCost getCost() {
return NodeCost.NONE;
}
}
@GeneratedBy(FunctionExecuteNode.class)
@DenyReplace
private static final class Uncached extends FunctionExecuteNode {
@TruffleBoundary
@Override
public Object execute(Node arg0Value, long arg1Value, LibFFISignature arg2Value, Object[] arg3Value) throws ArityException, UnsupportedTypeException {
return FunctionExecuteNode.genericExecute(arg1Value, arg2Value, arg3Value, (IndirectCallNode.getUncached()));
}
@Override
public NodeCost getCost() {
return NodeCost.MEGAMORPHIC;
}
@Override
public boolean isAdoptable() {
return false;
}
}
}
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