MLIR 23.0.0git
Classes | Public Member Functions | Public Attributes | List of all members
mlir::affine::MemRefDependenceGraph Struct Reference

#include "mlir/Dialect/Affine/Analysis/Utils.h"

Classes

struct  Edge
struct  Node

Public Member Functions

 MemRefDependenceGraph (Block &block)
bool init (bool fullAffineDependences=true)
const Node * getNode (unsigned id) const
Node * getNode (unsigned id)
bool hasNode (unsigned id) const
const Node * getForOpNode (AffineForOp forOp) const
Node * getForOpNode (AffineForOp forOp)
unsigned addNode (Operation *op)
void removeNode (unsigned id)
bool writesToLiveInOrEscapingMemrefs (unsigned id) const
bool hasEdge (unsigned srcId, unsigned dstId, Value value=nullptr) const
void addEdge (unsigned srcId, unsigned dstId, Value value)
void removeEdge (unsigned srcId, unsigned dstId, Value value)
bool hasDependencePath (unsigned srcId, unsigned dstId) const
unsigned getIncomingMemRefAccesses (unsigned id, Value memref) const
unsigned getOutEdgeCount (unsigned id, Value memref=nullptr) const
void gatherDefiningNodes (unsigned id, DenseSet< unsigned > &definingNodes) const
 Return all nodes which define SSA values used in node 'id'.
Operation * getFusedLoopNestInsertionPoint (unsigned srcId, unsigned dstId) const
void updateEdges (unsigned srcId, unsigned dstId, const DenseSet< Value > &privateMemRefs, bool removeSrcId)
void updateEdges (unsigned sibId, unsigned dstId)
void addToNode (unsigned id, ArrayRef< Operation * > loads, ArrayRef< Operation * > stores, ArrayRef< Operation * > memrefLoads, ArrayRef< Operation * > memrefStores, ArrayRef< Operation * > memrefFrees)
void clearNodeLoadAndStores (unsigned id)
void forEachMemRefInputEdge (unsigned id, const std::function< void(Edge)> &callback)
void forEachMemRefOutputEdge (unsigned id, const std::function< void(Edge)> &callback)
void forEachMemRefEdge (ArrayRef< Edge > edges, const std::function< void(Edge)> &callback)
void print (raw_ostream &os) const
void dump () const

Public Attributes

DenseMap< unsigned, Node > nodes
DenseMap< unsigned, SmallVector< Edge, 2 > > inEdges
DenseMap< unsigned, SmallVector< Edge, 2 > > outEdges
DenseMap< Value, unsigned > memrefEdgeCount
unsigned nextNodeId = 0
Block & block
 The block for which this graph is created to perform fusion.

Detailed Description

Definition at line 62 of file Utils.h.

Constructor & Destructor Documentation

◆ MemRefDependenceGraph()

mlir::affine::MemRefDependenceGraph::MemRefDependenceGraph ( Block & block)
inline

Definition at line 154 of file Utils.h.

References block.

Referenced by getForOpNode(), and getNode().

Member Function Documentation

◆ addEdge()

void MemRefDependenceGraph::addEdge ( unsigned srcId,
unsigned dstId,
Value value )

Definition at line 533 of file Utils.cpp.

References mlir::Value::getType(), hasEdge(), inEdges, memrefEdgeCount, and outEdges.

Referenced by init(), updateEdges(), and updateEdges().

◆ addNode()

unsigned MemRefDependenceGraph::addNode ( Operation * op)

Definition at line 468 of file Utils.cpp.

References mlir::affine::MemRefDependenceGraph::Node::id, nextNodeId, and nodes.

◆ addToNode()

void MemRefDependenceGraph::addToNode ( unsigned id,
ArrayRef< Operation * > loads,
ArrayRef< Operation * > stores,
ArrayRef< Operation * > memrefLoads,
ArrayRef< Operation * > memrefStores,
ArrayRef< Operation * > memrefFrees )

Definition at line 785 of file Utils.cpp.

References getNode(), mlir::affine::MemRefDependenceGraph::Node::loads, mlir::affine::MemRefDependenceGraph::Node::memrefFrees, mlir::affine::MemRefDependenceGraph::Node::memrefLoads, mlir::affine::MemRefDependenceGraph::Node::memrefStores, and mlir::affine::MemRefDependenceGraph::Node::stores.

◆ clearNodeLoadAndStores()

void MemRefDependenceGraph::clearNodeLoadAndStores ( unsigned id)

Definition at line 798 of file Utils.cpp.

References getNode(), mlir::affine::MemRefDependenceGraph::Node::loads, and mlir::affine::MemRefDependenceGraph::Node::stores.

◆ dump()

void mlir::affine::MemRefDependenceGraph::dump ( ) const
inline

Definition at line 267 of file Utils.h.

References print().

◆ forEachMemRefEdge()

void MemRefDependenceGraph::forEachMemRefEdge ( ArrayRef< Edge > edges,
const std::function< void(Edge)> & callback )

Definition at line 822 of file Utils.cpp.

References nodes.

Referenced by forEachMemRefInputEdge(), and forEachMemRefOutputEdge().

◆ forEachMemRefInputEdge()

void MemRefDependenceGraph::forEachMemRefInputEdge ( unsigned id,
const std::function< void(Edge)> & callback )

Definition at line 806 of file Utils.cpp.

References forEachMemRefEdge(), and inEdges.

◆ forEachMemRefOutputEdge()

void MemRefDependenceGraph::forEachMemRefOutputEdge ( unsigned id,
const std::function< void(Edge)> & callback )

Definition at line 814 of file Utils.cpp.

References forEachMemRefEdge(), and outEdges.

◆ gatherDefiningNodes()

void MemRefDependenceGraph::gatherDefiningNodes ( unsigned id,
DenseSet< unsigned > & definingNodes ) const

Return all nodes which define SSA values used in node 'id'.

Definition at line 632 of file Utils.cpp.

References inEdges.

Referenced by getFusedLoopNestInsertionPoint().

◆ getForOpNode() [1/2]

Node * mlir::affine::MemRefDependenceGraph::getForOpNode ( AffineForOp forOp)
inline

Definition at line 180 of file Utils.h.

References MemRefDependenceGraph().

◆ getForOpNode() [2/2]

const Node * MemRefDependenceGraph::getForOpNode ( AffineForOp forOp) const

Definition at line 460 of file Utils.cpp.

References nodes.

◆ getFusedLoopNestInsertionPoint()

Operation * MemRefDependenceGraph::getFusedLoopNestInsertionPoint ( unsigned srcId,
unsigned dstId ) const

Definition at line 646 of file Utils.cpp.

References gatherDefiningNodes(), getNode(), hasDependencePath(), inEdges, mlir::affine::MemRefDependenceGraph::Node::op, and outEdges.

◆ getIncomingMemRefAccesses()

unsigned MemRefDependenceGraph::getIncomingMemRefAccesses ( unsigned id,
Value memref ) const

Definition at line 606 of file Utils.cpp.

References getNode(), mlir::affine::MemRefDependenceGraph::Node::getStoreOpCount(), and inEdges.

◆ getNode() [1/2]

Node * mlir::affine::MemRefDependenceGraph::getNode ( unsigned id)
inline

Definition at line 170 of file Utils.h.

References MemRefDependenceGraph().

◆ getNode() [2/2]

const Node * MemRefDependenceGraph::getNode ( unsigned id) const

Definition at line 453 of file Utils.cpp.

References nodes.

Referenced by addToNode(), canRemoveSrcNodeAfterFusion(), clearNodeLoadAndStores(), gatherEscapingMemrefs(), gatherProducerConsumerMemrefs(), getFusedLoopNestInsertionPoint(), getIncomingMemRefAccesses(), getProducerCandidates(), hasDependencePath(), init(), and writesToLiveInOrEscapingMemrefs().

◆ getOutEdgeCount()

unsigned MemRefDependenceGraph::getOutEdgeCount ( unsigned id,
Value memref = nullptr ) const

Definition at line 622 of file Utils.cpp.

References outEdges.

◆ hasDependencePath()

bool MemRefDependenceGraph::hasDependencePath ( unsigned srcId,
unsigned dstId ) const

Definition at line 571 of file Utils.cpp.

References getNode(), mlir::affine::MemRefDependenceGraph::Edge::id, mlir::Operation::isBeforeInBlock(), mlir::affine::MemRefDependenceGraph::Node::op, and outEdges.

Referenced by getFusedLoopNestInsertionPoint().

◆ hasEdge()

bool MemRefDependenceGraph::hasEdge ( unsigned srcId,
unsigned dstId,
Value value = nullptr ) const

Definition at line 518 of file Utils.cpp.

References inEdges, and outEdges.

Referenced by addEdge().

◆ hasNode()

bool mlir::affine::MemRefDependenceGraph::hasNode ( unsigned id) const
inline

Definition at line 176 of file Utils.h.

References nodes.

◆ init()

bool MemRefDependenceGraph::init ( bool fullAffineDependences = true)

Definition at line 337 of file Utils.cpp.

References addEdge(), addNodeToMDG(), block, mlir::affine::getAffineForIVs(), getNode(), mlir::Operation::getResults(), mlir::Operation::getUsers(), mlir::affine::MemRefDependenceGraph::Node::hasFree(), mlir::affine::MemRefDependenceGraph::Node::hasStore(), mlir::affine::MemRefDependenceGraph::Node::id, mlir::isMemoryEffectFree(), mlir::affine::MemRefDependenceGraph::Node::loads, mayDependence(), nextNodeId, nodes, mlir::affine::MemRefDependenceGraph::Node::op, and mlir::affine::MemRefDependenceGraph::Node::stores.

◆ print()

void MemRefDependenceGraph::print ( raw_ostream & os) const

Definition at line 834 of file Utils.cpp.

References inEdges, nodes, and outEdges.

Referenced by dump().

◆ removeEdge()

void MemRefDependenceGraph::removeEdge ( unsigned srcId,
unsigned dstId,
Value value )

Definition at line 544 of file Utils.cpp.

References mlir::Value::getType(), inEdges, memrefEdgeCount, and outEdges.

Referenced by removeNode(), updateEdges(), and updateEdges().

◆ removeNode()

void MemRefDependenceGraph::removeNode ( unsigned id)

Definition at line 475 of file Utils.cpp.

References inEdges, nodes, outEdges, and removeEdge().

◆ updateEdges() [1/2]

void MemRefDependenceGraph::updateEdges ( unsigned sibId,
unsigned dstId )

Definition at line 760 of file Utils.cpp.

References addEdge(), inEdges, outEdges, and removeEdge().

◆ updateEdges() [2/2]

void MemRefDependenceGraph::updateEdges ( unsigned srcId,
unsigned dstId,
const DenseSet< Value > & privateMemRefs,
bool removeSrcId )

Definition at line 721 of file Utils.cpp.

References addEdge(), inEdges, outEdges, and removeEdge().

◆ writesToLiveInOrEscapingMemrefs()

bool MemRefDependenceGraph::writesToLiveInOrEscapingMemrefs ( unsigned id) const

Definition at line 498 of file Utils.cpp.

References getNode(), and mlir::affine::MemRefDependenceGraph::Node::stores.

Member Data Documentation

◆ block

Block& mlir::affine::MemRefDependenceGraph::block

The block for which this graph is created to perform fusion.

Definition at line 270 of file Utils.h.

Referenced by gatherEscapingMemrefs(), init(), and MemRefDependenceGraph().

◆ inEdges

DenseMap<unsigned, SmallVector<Edge, 2> > mlir::affine::MemRefDependenceGraph::inEdges

Definition at line 144 of file Utils.h.

Referenced by addEdge(), forEachMemRefInputEdge(), gatherDefiningNodes(), getFusedLoopNestInsertionPoint(), getIncomingMemRefAccesses(), getProducerCandidates(), hasEdge(), print(), removeEdge(), removeNode(), updateEdges(), and updateEdges().

◆ memrefEdgeCount

DenseMap<Value, unsigned> mlir::affine::MemRefDependenceGraph::memrefEdgeCount

Definition at line 150 of file Utils.h.

Referenced by addEdge(), and removeEdge().

◆ nextNodeId

unsigned mlir::affine::MemRefDependenceGraph::nextNodeId = 0

Definition at line 152 of file Utils.h.

Referenced by addNode(), addNodeToMDG(), and init().

◆ nodes

DenseMap<unsigned, Node> mlir::affine::MemRefDependenceGraph::nodes

Definition at line 141 of file Utils.h.

Referenced by addNode(), addNodeToMDG(), forEachMemRefEdge(), getForOpNode(), getNode(), hasNode(), init(), print(), and removeNode().

◆ outEdges

DenseMap<unsigned, SmallVector<Edge, 2> > mlir::affine::MemRefDependenceGraph::outEdges

Definition at line 147 of file Utils.h.

Referenced by addEdge(), canRemoveSrcNodeAfterFusion(), forEachMemRefOutputEdge(), getFusedLoopNestInsertionPoint(), getOutEdgeCount(), hasDependencePath(), hasEdge(), print(), removeEdge(), removeNode(), updateEdges(), and updateEdges().

The documentation for this struct was generated from the following files:
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