com.oracle.graal.replacements

Class DefaultJavaLoweringProvider

java.lang.Object

com.oracle.graal.replacements.DefaultJavaLoweringProvider

All Implemented Interfaces:

LoweringProvider

Direct Known Subclasses:

DefaultHotSpotLoweringProvider

public abstract class DefaultJavaLoweringProvider
extends Object
implements LoweringProvider

VM-independent lowerings for standard Java nodes. VM-specific methods are abstract and must be implemented by VM-specific subclasses.

Field Summary

Fields

Modifier and Type	Field and Description
private BoxingSnippets.Templates	boxingSnippets
protected MetaAccessProvider	metaAccess
protected TargetDescription	target

Constructor Summary

Constructors

Constructor and Description
DefaultJavaLoweringProvider(MetaAccessProvider metaAccess, TargetDescription target)

Method Summary

Modifier and Type	Method and Description
protected abstract int	arrayBaseOffset(Kind elementKind)
protected HeapAccess.BarrierType	arrayInitializationBarrier(Kind entryKind)
protected abstract int	arrayLengthOffset()
int	arrayScalingFactor(Kind elementKind)
protected HeapAccess.BarrierType	arrayStoreBarrierType(Kind elementKind)
protected HeapAccess.BarrierType	atomicReadAndWriteBarrierType(AtomicReadAndWriteNode n)
protected HeapAccess.BarrierType	compareAndSwapBarrierType(CompareAndSwapNode cas)
AddressNode	createArrayAddress(StructuredGraph graph, ValueNode array, Kind elementKind, ValueNode index)
protected AddressNode	createFieldAddress(StructuredGraph graph, ValueNode object, ResolvedJavaField field)
protected NewArrayNode	createNewArrayFromVirtual(VirtualObjectNode virtual, ValueNode length)
NewInstanceNode	createNewInstanceFromVirtual(VirtualObjectNode virtual)
protected GuardingNode	createNullCheck(ValueNode object, FixedNode before, LoweringTool tool)
protected AddressNode	createOffsetAddress(StructuredGraph graph, ValueNode object, long offset)
protected abstract ValueNode	createReadArrayComponentHub(StructuredGraph graph, ValueNode arrayHub, FixedNode anchor, LoweringTool tool)
protected abstract ValueNode	createReadHub(StructuredGraph graph, ValueNode object, GuardingNode guard, LoweringTool tool)
protected AddressNode	createUnsafeAddress(StructuredGraph graph, ValueNode object, ValueNode offset)
protected ReadNode	createUnsafeRead(StructuredGraph graph, UnsafeLoadNode load, GuardingNode guard)
protected HeapAccess.BarrierType	fieldInitializationBarrier(Kind entryKind)
protected HeapAccess.BarrierType	fieldLoadBarrierType(ResolvedJavaField field)
protected abstract int	fieldOffset(ResolvedJavaField field)
protected HeapAccess.BarrierType	fieldStoreBarrierType(ResolvedJavaField field)
static void	finishAllocatedObjects(LoweringTool tool, CommitAllocationNode commit, ValueNode[] allocations)
protected PiNode	getBoundsCheckedIndex(AccessIndexedNode n, LoweringTool tool, GuardingNode[] nullCheckReturn)
ValueNode	implicitLoadConvert(StructuredGraph graph, Kind kind, ValueNode value)
protected ValueNode	implicitLoadConvert(StructuredGraph graph, Kind kind, ValueNode value, boolean compressible)
ValueNode	implicitStoreConvert(StructuredGraph graph, Kind kind, ValueNode value)
protected ValueNode	implicitStoreConvert(StructuredGraph graph, Kind kind, ValueNode value, boolean compressible)
void	initialize(Providers providers, SnippetReflectionProvider snippetReflection)
protected abstract LocationIdentity	initLocationIdentity()
Stamp	loadStamp(Stamp stamp, Kind kind)
protected Stamp	loadStamp(Stamp stamp, Kind kind, boolean compressible)
void	lower(Node n, LoweringTool tool)
protected void	lowerArrayLengthNode(ArrayLengthNode arrayLengthNode, LoweringTool tool)
protected void	lowerAtomicReadAndWriteNode(AtomicReadAndWriteNode n)
protected void	lowerCommitAllocationNode(CommitAllocationNode commit, LoweringTool tool)
protected void	lowerCompareAndSwapNode(CompareAndSwapNode cas)
protected void	lowerJavaReadNode(JavaReadNode read)
protected void	lowerJavaWriteNode(JavaWriteNode write)
protected void	lowerLoadFieldNode(LoadFieldNode loadField, LoweringTool tool)
protected void	lowerLoadHubNode(LoadHubNode loadHub, LoweringTool tool)
protected void	lowerLoadIndexedNode(LoadIndexedNode loadIndexed, LoweringTool tool)
protected void	lowerMonitorEnterNode(MonitorEnterNode monitorEnter, LoweringTool tool, StructuredGraph graph)
protected void	lowerStoreFieldNode(StoreFieldNode storeField, LoweringTool tool)
protected void	lowerStoreIndexedNode(StoreIndexedNode storeIndexed, LoweringTool tool)
private void	lowerTypeCheckNode(TypeCheckNode n, LoweringTool tool, StructuredGraph graph)
protected void	lowerUnsafeLoadNode(UnsafeLoadNode load, LoweringTool tool)
protected void	lowerUnsafeStoreNode(UnsafeStoreNode store)
protected void	lowerVerifyHeap(VerifyHeapNode n)
ValueNode	reconstructArrayIndex(Kind elementKind, AddressNode address) Reconstructs the array index from an address node that was created as a lowering of an indexed access to an array.
protected abstract ValueNode	staticFieldBase(StructuredGraph graph, ResolvedJavaField field)
protected HeapAccess.BarrierType	storeBarrierType(ValueNode object, ValueNode value)
protected HeapAccess.BarrierType	unsafeStoreBarrierType(UnsafeStoreNode store)

Methods inherited from class java.lang.Object

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

Field Detail

metaAccess

protected final MetaAccessProvider metaAccess

target

protected final TargetDescription target

boxingSnippets

private BoxingSnippets.Templates boxingSnippets

Constructor Detail

DefaultJavaLoweringProvider

public DefaultJavaLoweringProvider(MetaAccessProvider metaAccess,
                                   TargetDescription target)

Method Detail

initialize

public void initialize(Providers providers,
                       SnippetReflectionProvider snippetReflection)

lower

public void lower(Node n,
                  LoweringTool tool)

Specified by:

lower in interface LoweringProvider

lowerTypeCheckNode

private void lowerTypeCheckNode(TypeCheckNode n,
                                LoweringTool tool,
                                StructuredGraph graph)

lowerVerifyHeap

protected void lowerVerifyHeap(VerifyHeapNode n)

createOffsetAddress

protected AddressNode createOffsetAddress(StructuredGraph graph,
                                          ValueNode object,
                                          long offset)

createFieldAddress

protected AddressNode createFieldAddress(StructuredGraph graph,
                                         ValueNode object,
                                         ResolvedJavaField field)

lowerLoadFieldNode

protected void lowerLoadFieldNode(LoadFieldNode loadField,
                                  LoweringTool tool)

lowerStoreFieldNode

protected void lowerStoreFieldNode(StoreFieldNode storeField,
                                   LoweringTool tool)

createArrayAddress

public AddressNode createArrayAddress(StructuredGraph graph,
                                      ValueNode array,
                                      Kind elementKind,
                                      ValueNode index)

lowerLoadIndexedNode

protected void lowerLoadIndexedNode(LoadIndexedNode loadIndexed,
                                    LoweringTool tool)

lowerStoreIndexedNode

protected void lowerStoreIndexedNode(StoreIndexedNode storeIndexed,
                                     LoweringTool tool)

lowerArrayLengthNode

protected void lowerArrayLengthNode(ArrayLengthNode arrayLengthNode,
                                    LoweringTool tool)

lowerLoadHubNode

protected void lowerLoadHubNode(LoadHubNode loadHub,
                                LoweringTool tool)

lowerMonitorEnterNode

protected void lowerMonitorEnterNode(MonitorEnterNode monitorEnter,
                                     LoweringTool tool,
                                     StructuredGraph graph)

lowerCompareAndSwapNode

protected void lowerCompareAndSwapNode(CompareAndSwapNode cas)

lowerAtomicReadAndWriteNode

protected void lowerAtomicReadAndWriteNode(AtomicReadAndWriteNode n)

lowerUnsafeLoadNode

protected void lowerUnsafeLoadNode(UnsafeLoadNode load,
                                   LoweringTool tool)

createUnsafeAddress

protected AddressNode createUnsafeAddress(StructuredGraph graph,
                                          ValueNode object,
                                          ValueNode offset)

createUnsafeRead

protected ReadNode createUnsafeRead(StructuredGraph graph,
                                    UnsafeLoadNode load,
                                    GuardingNode guard)

lowerUnsafeStoreNode

protected void lowerUnsafeStoreNode(UnsafeStoreNode store)

lowerJavaReadNode

protected void lowerJavaReadNode(JavaReadNode read)

lowerJavaWriteNode

protected void lowerJavaWriteNode(JavaWriteNode write)

lowerCommitAllocationNode

protected void lowerCommitAllocationNode(CommitAllocationNode commit,
                                         LoweringTool tool)

createNewInstanceFromVirtual

public NewInstanceNode createNewInstanceFromVirtual(VirtualObjectNode virtual)

createNewArrayFromVirtual

protected NewArrayNode createNewArrayFromVirtual(VirtualObjectNode virtual,
                                                 ValueNode length)

finishAllocatedObjects

public static void finishAllocatedObjects(LoweringTool tool,
                                          CommitAllocationNode commit,
                                          ValueNode[] allocations)

fieldLoadBarrierType

protected HeapAccess.BarrierType fieldLoadBarrierType(ResolvedJavaField field)

fieldStoreBarrierType

protected HeapAccess.BarrierType fieldStoreBarrierType(ResolvedJavaField field)

arrayStoreBarrierType

protected HeapAccess.BarrierType arrayStoreBarrierType(Kind elementKind)

fieldInitializationBarrier

protected HeapAccess.BarrierType fieldInitializationBarrier(Kind entryKind)

arrayInitializationBarrier

protected HeapAccess.BarrierType arrayInitializationBarrier(Kind entryKind)

unsafeStoreBarrierType

protected HeapAccess.BarrierType unsafeStoreBarrierType(UnsafeStoreNode store)

compareAndSwapBarrierType

protected HeapAccess.BarrierType compareAndSwapBarrierType(CompareAndSwapNode cas)

atomicReadAndWriteBarrierType

protected HeapAccess.BarrierType atomicReadAndWriteBarrierType(AtomicReadAndWriteNode n)

storeBarrierType

protected HeapAccess.BarrierType storeBarrierType(ValueNode object,
                                                  ValueNode value)

fieldOffset

protected abstract int fieldOffset(ResolvedJavaField field)

staticFieldBase

protected abstract ValueNode staticFieldBase(StructuredGraph graph,
                                             ResolvedJavaField field)

arrayLengthOffset

protected abstract int arrayLengthOffset()

arrayBaseOffset

protected abstract int arrayBaseOffset(Kind elementKind)

arrayScalingFactor

public int arrayScalingFactor(Kind elementKind)

initLocationIdentity

protected abstract LocationIdentity initLocationIdentity()

loadStamp

public Stamp loadStamp(Stamp stamp,
                       Kind kind)

loadStamp

protected Stamp loadStamp(Stamp stamp,
                          Kind kind,
                          boolean compressible)

implicitLoadConvert

public ValueNode implicitLoadConvert(StructuredGraph graph,
                                     Kind kind,
                                     ValueNode value)

implicitLoadConvert

protected ValueNode implicitLoadConvert(StructuredGraph graph,
                                        Kind kind,
                                        ValueNode value,
                                        boolean compressible)

implicitStoreConvert

public ValueNode implicitStoreConvert(StructuredGraph graph,
                                      Kind kind,
                                      ValueNode value)

implicitStoreConvert

protected ValueNode implicitStoreConvert(StructuredGraph graph,
                                         Kind kind,
                                         ValueNode value,
                                         boolean compressible)

createReadHub

protected abstract ValueNode createReadHub(StructuredGraph graph,
                                           ValueNode object,
                                           GuardingNode guard,
                                           LoweringTool tool)

createReadArrayComponentHub

protected abstract ValueNode createReadArrayComponentHub(StructuredGraph graph,
                                                         ValueNode arrayHub,
                                                         FixedNode anchor,
                                                         LoweringTool tool)

getBoundsCheckedIndex

protected PiNode getBoundsCheckedIndex(AccessIndexedNode n,
                                       LoweringTool tool,
                                       GuardingNode[] nullCheckReturn)

createNullCheck

protected GuardingNode createNullCheck(ValueNode object,
                                       FixedNode before,
                                       LoweringTool tool)

reconstructArrayIndex

public ValueNode reconstructArrayIndex(Kind elementKind,
                                       AddressNode address)

Description copied from interface: LoweringProvider

Reconstructs the array index from an address node that was created as a lowering of an indexed access to an array.

Specified by:

reconstructArrayIndex in interface LoweringProvider

Parameters:

elementKind - the Kind of the array elements

address - an AddressNode pointing to an element in an array

Returns:

a node that gives the index of the element