use of org.graalvm.compiler.nodes.extended.BranchProbabilityNode in project graal by oracle.
the class TruffleGraphBuilderPlugins method registerCompilerDirectivesPlugins.
public static void registerCompilerDirectivesPlugins(InvocationPlugins plugins, MetaAccessProvider metaAccess, boolean canDelayIntrinsification) {
final ResolvedJavaType compilerDirectivesType = getRuntime().resolveType(metaAccess, "com.oracle.truffle.api.CompilerDirectives");
Registration r = new Registration(plugins, new ResolvedJavaSymbol(compilerDirectivesType));
r.register0("inInterpreter", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
b.addPush(JavaKind.Boolean, ConstantNode.forBoolean(false));
return true;
}
});
r.register0("inCompiledCode", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
b.addPush(JavaKind.Boolean, ConstantNode.forBoolean(true));
return true;
}
});
r.register0("inCompilationRoot", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
GraphBuilderContext.ExternalInliningContext inliningContext = b.getExternalInliningContext();
if (inliningContext != null) {
b.addPush(JavaKind.Boolean, ConstantNode.forBoolean(inliningContext.getInlinedDepth() == 0));
return true;
}
return false;
}
});
r.register0("transferToInterpreter", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
b.add(new DeoptimizeNode(DeoptimizationAction.None, DeoptimizationReason.TransferToInterpreter));
return true;
}
});
r.register0("transferToInterpreterAndInvalidate", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
b.add(new DeoptimizeNode(DeoptimizationAction.InvalidateReprofile, DeoptimizationReason.TransferToInterpreter));
return true;
}
});
r.register1("interpreterOnly", Runnable.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode arg) {
return true;
}
});
r.register1("interpreterOnly", Callable.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode arg) {
return true;
}
});
r.register2("injectBranchProbability", double.class, boolean.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode probability, ValueNode condition) {
b.addPush(JavaKind.Boolean, new BranchProbabilityNode(probability, condition));
return true;
}
});
r.register1("bailout", String.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode message) {
if (canDelayIntrinsification) {
/*
* We do not want to bailout yet, since we are still parsing individual methods
* and constant folding could still eliminate the call to bailout(). However, we
* also want to stop parsing, since we are sure that we will never need the
* graph beyond the bailout point.
*
* Therefore, we manually emit the call to bailout, which will be intrinsified
* later when intrinsifications can no longer be delayed. The call is followed
* by a NeverPartOfCompilationNode, which is a control sink and therefore stops
* any further parsing.
*/
StampPair returnStamp = b.getInvokeReturnStamp(b.getAssumptions());
CallTargetNode callTarget = b.add(new MethodCallTargetNode(InvokeKind.Static, targetMethod, new ValueNode[] { message }, returnStamp, null));
b.add(new InvokeNode(callTarget, b.bci()));
b.add(new NeverPartOfCompilationNode("intrinsification of call to bailout() will abort entire compilation"));
return true;
}
if (message.isConstant()) {
throw b.bailout(message.asConstant().toValueString());
}
throw b.bailout("bailout (message is not compile-time constant, so no additional information is available)");
}
});
r.register1("isCompilationConstant", Object.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
if ((value instanceof BoxNode ? ((BoxNode) value).getValue() : value).isConstant()) {
b.addPush(JavaKind.Boolean, ConstantNode.forBoolean(true));
} else {
b.addPush(JavaKind.Boolean, new IsCompilationConstantNode(value));
}
return true;
}
});
r.register1("isPartialEvaluationConstant", Object.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
if ((value instanceof BoxNode ? ((BoxNode) value).getValue() : value).isConstant()) {
b.addPush(JavaKind.Boolean, ConstantNode.forBoolean(true));
} else if (canDelayIntrinsification) {
return false;
} else {
b.addPush(JavaKind.Boolean, ConstantNode.forBoolean(false));
}
return true;
}
});
r.register1("materialize", Object.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
AllowMaterializeNode materializedValue = b.append(new AllowMaterializeNode(value));
b.add(new ForceMaterializeNode(materializedValue));
return true;
}
});
r.register1("ensureVirtualized", Object.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode object) {
b.add(new EnsureVirtualizedNode(object, false));
return true;
}
});
r.register1("ensureVirtualizedHere", Object.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode object) {
b.add(new EnsureVirtualizedNode(object, true));
return true;
}
});
r.register2("castExact", Object.class, Class.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode object, ValueNode javaClass) {
ValueNode nullCheckedClass = b.addNonNullCast(javaClass);
LogicNode condition = b.append(InstanceOfDynamicNode.create(b.getAssumptions(), b.getConstantReflection(), nullCheckedClass, object, true, true));
if (condition.isTautology()) {
b.addPush(JavaKind.Object, object);
} else {
FixedGuardNode fixedGuard = b.add(new FixedGuardNode(condition, DeoptimizationReason.ClassCastException, DeoptimizationAction.InvalidateReprofile, false));
b.addPush(JavaKind.Object, DynamicPiNode.create(b.getAssumptions(), b.getConstantReflection(), object, fixedGuard, nullCheckedClass, true));
}
return true;
}
});
}
use of org.graalvm.compiler.nodes.extended.BranchProbabilityNode in project graal by oracle.
the class StandardGraphBuilderPlugins method registerGraalDirectivesPlugins.
private static void registerGraalDirectivesPlugins(InvocationPlugins plugins) {
Registration r = new Registration(plugins, GraalDirectives.class);
r.register0("deoptimize", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
b.add(new DeoptimizeNode(DeoptimizationAction.None, DeoptimizationReason.TransferToInterpreter));
return true;
}
});
r.register0("deoptimizeAndInvalidate", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
b.add(new DeoptimizeNode(DeoptimizationAction.InvalidateReprofile, DeoptimizationReason.TransferToInterpreter));
return true;
}
});
r.register0("deoptimizeAndInvalidateWithSpeculation", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
GraalError.guarantee(b.getGraph().getSpeculationLog() != null, "A speculation log is need to use `deoptimizeAndInvalidateWithSpeculation`");
BytecodePosition pos = new BytecodePosition(null, b.getMethod(), b.bci());
DirectiveSpeculationReason reason = new DirectiveSpeculationReason(pos);
JavaConstant speculation;
if (b.getGraph().getSpeculationLog().maySpeculate(reason)) {
speculation = b.getGraph().getSpeculationLog().speculate(reason);
} else {
speculation = JavaConstant.defaultForKind(JavaKind.Object);
}
b.add(new DeoptimizeNode(DeoptimizationAction.InvalidateReprofile, DeoptimizationReason.TransferToInterpreter, speculation));
return true;
}
});
r.register0("inCompiledCode", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
b.addPush(JavaKind.Boolean, ConstantNode.forBoolean(true));
return true;
}
});
r.register0("controlFlowAnchor", new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
b.add(new ControlFlowAnchorNode());
return true;
}
});
r.register2("injectBranchProbability", double.class, boolean.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode probability, ValueNode condition) {
b.addPush(JavaKind.Boolean, new BranchProbabilityNode(probability, condition));
return true;
}
});
InvocationPlugin blackholePlugin = new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
b.add(new BlackholeNode(value));
return true;
}
};
InvocationPlugin bindToRegisterPlugin = new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
b.add(new BindToRegisterNode(value));
return true;
}
};
for (JavaKind kind : JavaKind.values()) {
if ((kind.isPrimitive() && kind != JavaKind.Void) || kind == JavaKind.Object) {
Class<?> javaClass = kind == JavaKind.Object ? Object.class : kind.toJavaClass();
r.register1("blackhole", javaClass, blackholePlugin);
r.register1("bindToRegister", javaClass, bindToRegisterPlugin);
r.register1("opaque", javaClass, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
b.addPush(kind, new OpaqueNode(value));
return true;
}
});
}
}
InvocationPlugin spillPlugin = new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
b.add(new SpillRegistersNode());
return true;
}
};
r.register0("spillRegisters", spillPlugin);
r.register1("guardingNonNull", Object.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
b.addPush(value.getStackKind(), b.nullCheckedValue(value));
return true;
}
});
r.register1("ensureVirtualized", Object.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode object) {
b.add(new EnsureVirtualizedNode(object, false));
return true;
}
});
r.register1("ensureVirtualizedHere", Object.class, new InvocationPlugin() {
@Override
public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode object) {
b.add(new EnsureVirtualizedNode(object, true));
return true;
}
});
}
use of org.graalvm.compiler.nodes.extended.BranchProbabilityNode in project graal by oracle.
the class BytecodeParser method extractInjectedProbability.
private static double extractInjectedProbability(IntegerEqualsNode condition) {
// Propagate injected branch probability if any.
IntegerEqualsNode equalsNode = condition;
BranchProbabilityNode probabilityNode = null;
ValueNode other = null;
if (equalsNode.getX() instanceof BranchProbabilityNode) {
probabilityNode = (BranchProbabilityNode) equalsNode.getX();
other = equalsNode.getY();
} else if (equalsNode.getY() instanceof BranchProbabilityNode) {
probabilityNode = (BranchProbabilityNode) equalsNode.getY();
other = equalsNode.getX();
}
if (probabilityNode != null && probabilityNode.getProbability().isConstant() && other != null && other.isConstant()) {
double probabilityValue = probabilityNode.getProbability().asJavaConstant().asDouble();
return other.asJavaConstant().asInt() == 0 ? 1.0 - probabilityValue : probabilityValue;
}
return -1;
}
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