de.mirkosertic.bytecoder.allocator

Class AbstractAllocator

java.lang.Object

de.mirkosertic.bytecoder.allocator.AbstractAllocator

Direct Known Subclasses:

LinearRegisterAllocator, PassThruRegisterAllocator

public abstract class AbstractAllocator
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractAllocator.EdgeTypes

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<Variable,Variable>	aliases
protected Map<TypeRef,List<Register>>	knownRegisters
protected BytecodeLinkerContext	linkerContext
protected Map<PHIValue,Variable>	phis
protected Map<Variable,Register>	registerAssignments
protected Function<Variable,TypeRef>	typeConverter

Constructor Summary

Constructors

Constructor and Description
AbstractAllocator(Function<Variable,TypeRef> aTypeConverter, BytecodeLinkerContext aLinkerContext)

Method Summary

Modifier and Type	Method and Description
List<Register>	assignedRegister()
protected List<Variable>	computeSSAReadyVariablesFor(Program prog)
Register	registerAssignmentFor(Variable v)
List<Register>	registersOfType(TypeRef aType)
Set<TypeRef>	usedRegisterTypes()
Variable	variableAssignmentFor(PHIValue p)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

registerAssignments

protected final Map<Variable,Register> registerAssignments

knownRegisters

protected final Map<TypeRef,List<Register>> knownRegisters

typeConverter

protected final Function<Variable,TypeRef> typeConverter

phis

protected final Map<PHIValue,Variable> phis

aliases

protected final Map<Variable,Variable> aliases

linkerContext

protected final BytecodeLinkerContext linkerContext

Constructor Detail

AbstractAllocator

public AbstractAllocator(Function<Variable,TypeRef> aTypeConverter,
                         BytecodeLinkerContext aLinkerContext)

Method Detail

assignedRegister

public List<Register> assignedRegister()

usedRegisterTypes

public Set<TypeRef> usedRegisterTypes()

registersOfType

public List<Register> registersOfType(TypeRef aType)

registerAssignmentFor

public Register registerAssignmentFor(Variable v)

variableAssignmentFor

public Variable variableAssignmentFor(PHIValue p)

computeSSAReadyVariablesFor

protected List<Variable> computeSSAReadyVariablesFor(Program prog)