class ResourcePriorityQueue

Declaration

class ResourcePriorityQueue : public SchedulingPriorityQueue { /* full declaration omitted */ };

Description

This interface is used to plug different priorities computation algorithms into the list scheduler. It implements the interface of a standard priority queue, where nodes are inserted in arbitrary order and returned in priority order. The computation of the priority and the representation of the queue are totally up to the implementation to decide.

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:37

Inherits from: SchedulingPriorityQueue

Method Overview

• public ResourcePriorityQueue(llvm::SelectionDAGISel * IS)
• public int SUSchedulingCost(llvm::SUnit * SU)
• public void addNode(const llvm::SUnit * SU)
• public bool empty() const
• public unsigned int getLatency(unsigned int NodeNum) const
• public unsigned int getNumSolelyBlockNodes(unsigned int NodeNum) const
• public void initNodes(std::vector<SUnit> & sunits)
• public void initNumRegDefsLeft(llvm::SUnit * SU)
• public bool isBottomUp() const
• public bool isResourceAvailable(llvm::SUnit * SU)
• public llvm::SUnit * pop()
• public void push(llvm::SUnit * U)
• public int rawRegPressureDelta(llvm::SUnit * SU, unsigned int RCId)
• public int regPressureDelta(llvm::SUnit * SU, bool RawPressure = false)
• public void releaseState()
• public void remove(llvm::SUnit * SU)
• public void reserveResources(llvm::SUnit * SU)
• public void scheduledNode(llvm::SUnit * SU)
• public void updateNode(const llvm::SUnit * SU)
• public void updateNumRegDefsLeft(llvm::SUnit * SU)

Inherited from SchedulingPriorityQueue:

• public addNode
• public dump
• public empty
• public getCurCycle
• public hasReadyFilter
• public initNodes
• public isBottomUp
• public isReady
• public pop
• public push
• public push_all
• public releaseState
• public remove
• public scheduledNode
• public setCurCycle
• public tracksRegPressure
• public unscheduledNode
• public updateNode

Methods

¶ResourcePriorityQueue(llvm::SelectionDAGISel* IS)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:77

Parameters

llvm::SelectionDAGISel* IS

¶int SUSchedulingCost(llvm::SUnit* SU)

Description

Single cost function reflecting benefit of scheduling SU in the current cycle.

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:105

Parameters

llvm::SUnit* SU

¶void addNode(const llvm::SUnit* SU)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:83

Parameters

const llvm::SUnit* SU

¶bool empty() const

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:114

¶unsigned int getLatency(
    unsigned int NodeNum) const

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:93

Parameters

unsigned int NodeNum

¶unsigned int getNumSolelyBlockNodes(
    unsigned int NodeNum) const

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:98

Parameters

unsigned int NodeNum

¶void initNodes(std::vector<SUnit>& sunits)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:81

Parameters

std::vector<SUnit>& sunits

¶void initNumRegDefsLeft(llvm::SUnit* SU)

Description

InitNumRegDefsLeft - Determine the # of regs defined by this node.

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:109

Parameters

llvm::SUnit* SU

¶bool isBottomUp() const

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:79

¶bool isResourceAvailable(llvm::SUnit* SU)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:124

Parameters

llvm::SUnit* SU

¶llvm::SUnit* pop()

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:118

¶void push(llvm::SUnit* U)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:116

Parameters

llvm::SUnit* U

¶int rawRegPressureDelta(llvm::SUnit* SU,
                        unsigned int RCId)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:112

Parameters

llvm::SUnit* SU

unsigned int RCId

¶int regPressureDelta(llvm::SUnit* SU,
                     bool RawPressure = false)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:111

Parameters

llvm::SUnit* SU

bool RawPressure = false

¶void releaseState()

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:89

¶void remove(llvm::SUnit* SU)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:120

Parameters

llvm::SUnit* SU

¶void reserveResources(llvm::SUnit* SU)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:125

Parameters

llvm::SUnit* SU

¶void scheduledNode(llvm::SUnit* SU)

Description

scheduledNode - Main resource tracking point.

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:123

Parameters

llvm::SUnit* SU

¶void updateNode(const llvm::SUnit* SU)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:87

Parameters

const llvm::SUnit* SU

¶void updateNumRegDefsLeft(llvm::SUnit* SU)

Declared at: llvm/include/llvm/CodeGen/ResourcePriorityQueue.h:110

Parameters

llvm::SUnit* SU