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	getInternalPaths (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 232 of file LongestPathAnalysis.h.

Constructor & Destructor Documentation

LongestPathAnalysis()

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

Definition at line 1906 of file LongestPathAnalysis.cpp.

References circt::synth::LongestPathAnalysisOptions::collectDebugInfo, ctx, getContext(), impl, circt::synth::LongestPathAnalysisOptions::keepOnlyMaxDelayPaths, circt::synth::LongestPathAnalysisOptions::lazyComputation, and LongestPathAnalysis().

Referenced by circt::synth::IncrementalLongestPathAnalysis::IncrementalLongestPathAnalysis(), circt::synth::IncrementalLongestPathAnalysis::IncrementalLongestPathAnalysis(), and LongestPathAnalysis().

~LongestPathAnalysis()

LongestPathAnalysis::~LongestPathAnalysis

(

)

Definition at line 1904 of file LongestPathAnalysis.cpp.

References impl, and ~LongestPathAnalysis().

Referenced by ~LongestPathAnalysis().

Member Function Documentation

computeGlobalPaths()

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

Definition at line 1986 of file LongestPathAnalysis.cpp.

References impl, and isAnalysisValid.

computeLocalPaths()

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

Definition at line 1979 of file LongestPathAnalysis.cpp.

References failure(), impl, and isAnalysisValid.

getAllPaths()

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

Definition at line 1962 of file LongestPathAnalysis.cpp.

References failure(), getInternalPaths(), getOpenPathsFromInputPortsToInternal(), getOpenPathsFromInternalToOutputPorts(), and success().

getAverageMaxDelay()

FailureOr< int64_t > LongestPathAnalysis::getAverageMaxDelay

(

Value

value

)

Definition at line 1925 of file LongestPathAnalysis.cpp.

References impl.

getContext()

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

inline

Definition at line 294 of file LongestPathAnalysis.h.

References ctx.

Referenced by LongestPathAnalysis().

getInternalPaths()

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

Definition at line 1935 of file LongestPathAnalysis.cpp.

References failure(), impl, and isAnalysisValid.

Referenced by getAllPaths().

getMaxDelay()

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

Definition at line 1929 of file LongestPathAnalysis.cpp.

References impl.

getOpenPathsFromInputPortsToInternal()

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

Definition at line 1945 of file LongestPathAnalysis.cpp.

References failure(), impl, and isAnalysisValid.

Referenced by getAllPaths().

getOpenPathsFromInternalToOutputPorts()

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

Definition at line 1953 of file LongestPathAnalysis.cpp.

References failure(), impl, and isAnalysisValid.

Referenced by getAllPaths().

getTopModules()

ArrayRef< hw::HWModuleOp > LongestPathAnalysis::getTopModules

(

)

const

Definition at line 1974 of file LongestPathAnalysis.cpp.

References impl.

isAnalysisAvailable()

bool LongestPathAnalysis::isAnalysisAvailable

(

StringAttr

moduleName

)

const

Definition at line 1921 of file LongestPathAnalysis.cpp.

References impl.

Friends And Related Symbol Documentation

IncrementalLongestPathAnalysis

friend class IncrementalLongestPathAnalysis

friend

Definition at line 297 of file LongestPathAnalysis.h.

References IncrementalLongestPathAnalysis.

Referenced by IncrementalLongestPathAnalysis.

Member Data Documentation

ctx

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

private

Definition at line 302 of file LongestPathAnalysis.h.

Referenced by getContext(), and LongestPathAnalysis().

impl

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

protected

Definition at line 299 of file LongestPathAnalysis.h.

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

isAnalysisValid

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

private

Definition at line 303 of file LongestPathAnalysis.h.

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

---

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