Analysis that computes resource usage for Synth dialect operations. More...

#include <ResourceUsageAnalysis.h>

Collaboration diagram for circt::synth::ResourceUsageAnalysis:

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Classes
struct	ModuleResourceUsage
	Resource usage for a single module, including local and total counts. More...

struct	ResourceUsage
	Resource usage counts for a set of operations. More...

Public Member Functions
	ResourceUsageAnalysis (mlir::Operation *moduleOp, mlir::AnalysisManager &am)

ModuleResourceUsage *	getResourceUsage (igraph::ModuleOpInterface module)
	Get resource usage for a module.

ModuleResourceUsage *	getResourceUsage (StringAttr moduleName)

igraph::InstanceGraph *	getInstanceGraph () const
	Get the instance graph used by this analysis.

Private Attributes
DenseMap< StringAttr, std::unique_ptr< ModuleResourceUsage > >	designUsageCache
	Cache of computed resource usage per module.

igraph::InstanceGraph *	instanceGraph
	Instance graph for module hierarchy traversal.

Detailed Description

Analysis that computes resource usage for Synth dialect operations.

This analysis walks module hierarchies and counts resources such as:

And-inverter graph (AIG)
Majority-inverter graph (MIG)
Truth tables (LUTs)
Sequential elements (DFFs)

Definition at line 37 of file ResourceUsageAnalysis.h.

Constructor & Destructor Documentation

◆ ResourceUsageAnalysis()

ResourceUsageAnalysis::ResourceUsageAnalysis	(	mlir::Operation *	moduleOp,
		mlir::AnalysisManager &	am
	)

Definition at line 93 of file ResourceUsageAnalysis.cpp.

Member Function Documentation

◆ getInstanceGraph()

igraph::InstanceGraph * circt::synth::ResourceUsageAnalysis::getInstanceGraph ( ) const

inline

Get the instance graph used by this analysis.

Definition at line 91 of file ResourceUsageAnalysis.h.

References instanceGraph.

◆ getResourceUsage() [1/2]

ResourceUsageAnalysis::ModuleResourceUsage * ResourceUsageAnalysis::getResourceUsage ( igraph::ModuleOpInterface module )

Get resource usage for a module.

Definition at line 117 of file ResourceUsageAnalysis.cpp.

References designUsageCache, instanceGraph, and circt::igraph::InstanceGraph::lookup().

Referenced by getResourceUsage().

◆ getResourceUsage() [2/2]

ResourceUsageAnalysis::ModuleResourceUsage * ResourceUsageAnalysis::getResourceUsage ( StringAttr moduleName )

Definition at line 98 of file ResourceUsageAnalysis.cpp.

References designUsageCache, getResourceUsage(), instanceGraph, and circt::igraph::InstanceGraph::lookup().

Member Data Documentation

◆ designUsageCache

DenseMap<StringAttr, std::unique_ptr<ModuleResourceUsage> > circt::synth::ResourceUsageAnalysis::designUsageCache

private

Cache of computed resource usage per module.

Definition at line 95 of file ResourceUsageAnalysis.h.

Referenced by getResourceUsage(), and getResourceUsage().

◆ instanceGraph

igraph::InstanceGraph* circt::synth::ResourceUsageAnalysis::instanceGraph

private

Instance graph for module hierarchy traversal.

Definition at line 98 of file ResourceUsageAnalysis.h.

Referenced by getInstanceGraph(), getResourceUsage(), and getResourceUsage().

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

/home/runner/work/circt-www/circt-www/circt_src/include/circt/Dialect/Synth/Analysis/ResourceUsageAnalysis.h
/home/runner/work/circt-www/circt-www/circt_src/lib/Dialect/Synth/Analysis/ResourceUsageAnalysis.cpp

Classes

Public Member Functions

Private Attributes