circt::synth::LongestPathAnalysis Class Reference

#include <LongestPathAnalysis.h>

Inheritance diagram for circt::synth::LongestPathAnalysis:

Collaboration diagram for circt::synth::LongestPathAnalysis:

Public Member Functions
	LongestPathAnalysis (Operation *moduleOp, mlir::AnalysisManager &am, const LongestPathAnalysisOptions &option={})
	~LongestPathAnalysis ()
LogicalResult	computeGlobalPaths (Value value, size_t bitPos, SmallVectorImpl< DataflowPath > &results)
FailureOr< ArrayRef< OpenPath > >	computeLocalPaths (Value value, size_t bitPos)
FailureOr< int64_t >	getMaxDelay (Value value, int64_t bitPos=-1)
FailureOr< int64_t >	getAverageMaxDelay (Value value)
LogicalResult	getClosedPaths (StringAttr moduleName, SmallVectorImpl< DataflowPath > &results, bool elaboratePaths=false) const
LogicalResult	getOpenPathsFromInputPortsToInternal (StringAttr moduleName, SmallVectorImpl< DataflowPath > &results) const
LogicalResult	getOpenPathsFromInternalToOutputPorts (StringAttr moduleName, SmallVectorImpl< DataflowPath > &results) const
LogicalResult	getAllPaths (StringAttr moduleName, SmallVectorImpl< DataflowPath > &results, bool elaboratePaths=false) const
bool	isAnalysisAvailable (StringAttr moduleName) const
llvm::ArrayRef< hw::HWModuleOp >	getTopModules () const
MLIRContext *	getContext () const

Protected Attributes
Impl *	impl

Private Attributes
mlir::MLIRContext *	ctx
bool	isAnalysisValid = true

Friends
class	IncrementalLongestPathAnalysis

Detailed Description

Definition at line 229 of file LongestPathAnalysis.h.

Constructor & Destructor Documentation

LongestPathAnalysis()

LongestPathAnalysis::LongestPathAnalysis	(	Operation *	moduleOp,
		mlir::AnalysisManager &	am,
		const LongestPathAnalysisOptions &	option = {}
	)

Definition at line 1900 of file LongestPathAnalysis.cpp.

References circt::synth::LongestPathAnalysisOptions::collectDebugInfo, circt::synth::LongestPathAnalysisOptions::keepOnlyMaxDelayPaths, and circt::synth::LongestPathAnalysisOptions::lazyComputation.

~LongestPathAnalysis()

LongestPathAnalysis::~LongestPathAnalysis

(

)

Definition at line 1898 of file LongestPathAnalysis.cpp.

Member Function Documentation

computeGlobalPaths()

LogicalResult LongestPathAnalysis::computeGlobalPaths	(	Value	value,
		size_t	bitPos,
		SmallVectorImpl< DataflowPath > &	results
	)

Definition at line 1980 of file LongestPathAnalysis.cpp.

References impl, and isAnalysisValid.

computeLocalPaths()

FailureOr< ArrayRef< OpenPath > > LongestPathAnalysis::computeLocalPaths	(	Value	value,
		size_t	bitPos
	)

Definition at line 1973 of file LongestPathAnalysis.cpp.

References impl, and isAnalysisValid.

getAllPaths()

LogicalResult LongestPathAnalysis::getAllPaths	(	StringAttr	moduleName,
		SmallVectorImpl< DataflowPath > &	results,
		bool	elaboratePaths = false
	)		const

Definition at line 1956 of file LongestPathAnalysis.cpp.

References getClosedPaths(), getOpenPathsFromInputPortsToInternal(), and getOpenPathsFromInternalToOutputPorts().

getAverageMaxDelay()

FailureOr< int64_t > LongestPathAnalysis::getAverageMaxDelay

(

Value

value

)

Definition at line 1919 of file LongestPathAnalysis.cpp.

References impl.

getClosedPaths()

LogicalResult LongestPathAnalysis::getClosedPaths	(	StringAttr	moduleName,
		SmallVectorImpl< DataflowPath > &	results,
		bool	elaboratePaths = false
	)		const

Definition at line 1929 of file LongestPathAnalysis.cpp.

References impl, and isAnalysisValid.

Referenced by getAllPaths().

getContext()

MLIRContext * circt::synth::LongestPathAnalysis::getContext ( ) const

inline

Definition at line 291 of file LongestPathAnalysis.h.

References ctx.

getMaxDelay()

FailureOr< int64_t > LongestPathAnalysis::getMaxDelay	(	Value	value,
		int64_t	bitPos = -1
	)

Definition at line 1923 of file LongestPathAnalysis.cpp.

References impl.

getOpenPathsFromInputPortsToInternal()

LogicalResult LongestPathAnalysis::getOpenPathsFromInputPortsToInternal	(	StringAttr	moduleName,
		SmallVectorImpl< DataflowPath > &	results
	)		const

Definition at line 1939 of file LongestPathAnalysis.cpp.

References impl, and isAnalysisValid.

Referenced by getAllPaths().

getOpenPathsFromInternalToOutputPorts()

LogicalResult LongestPathAnalysis::getOpenPathsFromInternalToOutputPorts	(	StringAttr	moduleName,
		SmallVectorImpl< DataflowPath > &	results
	)		const

Definition at line 1947 of file LongestPathAnalysis.cpp.

References impl, and isAnalysisValid.

Referenced by getAllPaths().

getTopModules()

ArrayRef< hw::HWModuleOp > LongestPathAnalysis::getTopModules

(

)

const

Definition at line 1968 of file LongestPathAnalysis.cpp.

References impl.

isAnalysisAvailable()

bool LongestPathAnalysis::isAnalysisAvailable

(

StringAttr

moduleName

)

const

Definition at line 1915 of file LongestPathAnalysis.cpp.

References impl.

Friends And Related Symbol Documentation

IncrementalLongestPathAnalysis

friend class IncrementalLongestPathAnalysis

friend

Definition at line 294 of file LongestPathAnalysis.h.

Member Data Documentation

ctx

mlir::MLIRContext* circt::synth::LongestPathAnalysis::ctx

private

Definition at line 299 of file LongestPathAnalysis.h.

Referenced by getContext().

impl

Impl* circt::synth::LongestPathAnalysis::impl

protected

Definition at line 296 of file LongestPathAnalysis.h.

Referenced by computeGlobalPaths(), computeLocalPaths(), getAverageMaxDelay(), getClosedPaths(), getMaxDelay(), getOpenPathsFromInputPortsToInternal(), getOpenPathsFromInternalToOutputPorts(), getTopModules(), isAnalysisAvailable(), and circt::synth::IncrementalLongestPathAnalysis::isOperationValidToMutate().

isAnalysisValid

bool circt::synth::LongestPathAnalysis::isAnalysisValid = true

private

Definition at line 300 of file LongestPathAnalysis.h.

Referenced by computeGlobalPaths(), computeLocalPaths(), getClosedPaths(), getOpenPathsFromInputPortsToInternal(), getOpenPathsFromInternalToOutputPorts(), circt::synth::IncrementalLongestPathAnalysis::isOperationValidToMutate(), and circt::synth::IncrementalLongestPathAnalysis::notifyOperationModified().

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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/LongestPathAnalysis.h
• /home/runner/work/circt-www/circt-www/circt_src/lib/Dialect/Synth/Analysis/LongestPathAnalysis.cpp