com.oracle.graal.lir.alloc.lsra

Class LinearScanResolveDataFlowPhase

java.lang.Object

com.oracle.graal.lir.phases.LIRPhase<AllocationPhase.AllocationContext>

com.oracle.graal.lir.phases.AllocationPhase

com.oracle.graal.lir.alloc.lsra.LinearScanResolveDataFlowPhase

Direct Known Subclasses:

SSALinarScanResolveDataFlowPhase, SSILinearScanResolveDataFlowPhase, TraceLinearScanResolveDataFlowPhase

public class LinearScanResolveDataFlowPhase
extends AllocationPhase

Phase 6: resolve data flow Insert moves at edges between blocks if intervals have been split.

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.graal.lir.phases.AllocationPhase

AllocationPhase.AllocationContext

Nested classes/interfaces inherited from class com.oracle.graal.lir.phases.LIRPhase

LIRPhase.Options

Field Summary

Fields

Modifier and Type	Field and Description
protected LinearScan	allocator

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LinearScanResolveDataFlowPhase(LinearScan allocator)

Method Summary

Modifier and Type	Method and Description
protected void	optimizeEmptyBlocks(MoveResolver moveResolver, BitSet blockCompleted)
protected void	resolveCollectMappings(AbstractBlockBase<?> fromBlock, AbstractBlockBase<?> toBlock, AbstractBlockBase<?> midBlock, MoveResolver moveResolver)
protected void	resolveDataFlow() Inserts necessary moves (spilling or reloading) at edges between blocks for intervals that have been split.
protected void	resolveDataFlow0(MoveResolver moveResolver, BitSet blockCompleted)
(package private) void	resolveFindInsertPos(AbstractBlockBase<?> fromBlock, AbstractBlockBase<?> toBlock, MoveResolver moveResolver)
protected <B extends AbstractBlockBase<B>> void	run(TargetDescription target, LIRGenerationResult lirGenRes, List<B> codeEmittingOrder, List<B> linearScanOrder, LIRGeneratorTool.SpillMoveFactory spillMoveFactory, RegisterAllocationConfig registerAllocationConfig)

Methods inherited from class com.oracle.graal.lir.phases.AllocationPhase

run

Methods inherited from class com.oracle.graal.lir.phases.LIRPhase

apply, apply, createName, getName

Methods inherited from class java.lang.Object

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

Field Detail

allocator

protected final LinearScan allocator

Constructor Detail

LinearScanResolveDataFlowPhase

protected LinearScanResolveDataFlowPhase(LinearScan allocator)

Method Detail

run

protected <B extends AbstractBlockBase<B>> void run(TargetDescription target,
                                                    LIRGenerationResult lirGenRes,
                                                    List<B> codeEmittingOrder,
                                                    List<B> linearScanOrder,
                                                    LIRGeneratorTool.SpillMoveFactory spillMoveFactory,
                                                    RegisterAllocationConfig registerAllocationConfig)

Specified by:

run in class AllocationPhase

resolveCollectMappings

protected void resolveCollectMappings(AbstractBlockBase<?> fromBlock,
                                      AbstractBlockBase<?> toBlock,
                                      AbstractBlockBase<?> midBlock,
                                      MoveResolver moveResolver)

resolveFindInsertPos

void resolveFindInsertPos(AbstractBlockBase<?> fromBlock,
                          AbstractBlockBase<?> toBlock,
                          MoveResolver moveResolver)

resolveDataFlow

protected void resolveDataFlow()

Inserts necessary moves (spilling or reloading) at edges between blocks for intervals that have been split.

optimizeEmptyBlocks

protected void optimizeEmptyBlocks(MoveResolver moveResolver,
                                   BitSet blockCompleted)

resolveDataFlow0

protected void resolveDataFlow0(MoveResolver moveResolver,
                                BitSet blockCompleted)