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	ResourceUsage
	Resource usage counts for a set of operations. More...
struct	ModuleResourceUsage
	Resource usage for a single module, including local and total counts. 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)
Truth tables (LUTs)
Sequential elements (DFFs)

Definition at line 36 of file ResourceUsageAnalysis.h.

Constructor & Destructor Documentation

◆ ResourceUsageAnalysis()

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

Definition at line 97 of file ResourceUsageAnalysis.cpp.

References instanceGraph, and ResourceUsageAnalysis().

Referenced by ResourceUsageAnalysis().

Member Function Documentation

◆ getInstanceGraph()

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

inline

Get the instance graph used by this analysis.

Definition at line 90 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, and instanceGraph.

Referenced by getResourceUsage().

◆ getResourceUsage() [2/2]

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

Definition at line 102 of file ResourceUsageAnalysis.cpp.

References designUsageCache, getResourceUsage(), and instanceGraph.

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 94 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 97 of file ResourceUsageAnalysis.h.

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

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