EmittedExpressionStateManager Class Reference

This class handles information about AST structures of each expressions. More...

Inheritance diagram for EmittedExpressionStateManager:

Collaboration diagram for EmittedExpressionStateManager:

Public Member Functions
	EmittedExpressionStateManager (const LoweringOptions &options)
EmittedExpressionState	getExpressionState (Value value)
bool	dispatchHeuristic (Operation &op)
bool	shouldSpillWireBasedOnState (Operation &op)
	Return true if it is beneficial to spill the operation under the specified spilling heuristic.

Private Member Functions
EmittedExpressionState	visitUnhandledExpr (Operation *op)
EmittedExpressionState	visitInvalidComb (Operation *op)
EmittedExpressionState	visitUnhandledComb (Operation *op)
EmittedExpressionState	visitInvalidTypeOp (Operation *op)
EmittedExpressionState	visitUnhandledTypeOp (Operation *op)
EmittedExpressionState	visitUnhandledSV (Operation *op)
EmittedExpressionState	mergeOperandsStates (Operation *op)

Private Attributes
const LoweringOptions &	options
DenseMap< Value, EmittedExpressionState >	expressionStates

Friends
class	TypeOpVisitor< EmittedExpressionStateManager, EmittedExpressionState >
class	CombinationalVisitor< EmittedExpressionStateManager, EmittedExpressionState >
class	Visitor< EmittedExpressionStateManager, EmittedExpressionState >

Detailed Description

This class handles information about AST structures of each expressions.

Definition at line 591 of file PrepareForEmission.cpp.

Constructor & Destructor Documentation

EmittedExpressionStateManager()

EmittedExpressionStateManager::EmittedExpressionStateManager ( const LoweringOptions &  options )

inline

Definition at line 599 of file PrepareForEmission.cpp.

Member Function Documentation

dispatchHeuristic()

bool EmittedExpressionStateManager::dispatchHeuristic

(

Operation &

op

)

Definition at line 727 of file PrepareForEmission.cpp.

References getExpressionState(), circt::LoweringOptions::isWireSpillingHeuristicEnabled(), options, EmittedExpressionState::size, circt::LoweringOptions::SpillLargeTermsWithNamehints, and circt::LoweringOptions::wireSpillingNamehintTermLimit.

Referenced by shouldSpillWireBasedOnState().

getExpressionState()

EmittedExpressionState EmittedExpressionStateManager::getExpressionState

(

Value

value

)

Definition at line 652 of file PrepareForEmission.cpp.

References expressionStates, and EmittedExpressionState::getBaseState().

Referenced by dispatchHeuristic(), mergeOperandsStates(), and shouldSpillWireBasedOnState().

mergeOperandsStates()

EmittedExpressionState EmittedExpressionStateManager::mergeOperandsStates ( Operation *  op )

private

Definition at line 668 of file PrepareForEmission.cpp.

References getExpressionState(), and EmittedExpressionState::mergeState().

Referenced by visitUnhandledExpr().

shouldSpillWireBasedOnState()

bool EmittedExpressionStateManager::shouldSpillWireBasedOnState

(

Operation &

op

)

Return true if it is beneficial to spill the operation under the specified spilling heuristic.

Definition at line 747 of file PrepareForEmission.cpp.

References dispatchHeuristic(), getExpressionState(), circt::LoweringOptions::maximumNumberOfTermsPerExpression, options, and EmittedExpressionState::size.

Referenced by prettifyAfterLegalization().

visitInvalidComb()

EmittedExpressionState EmittedExpressionStateManager::visitInvalidComb ( Operation *  op )

inlineprivate

Definition at line 623 of file PrepareForEmission.cpp.

visitInvalidTypeOp()

EmittedExpressionState EmittedExpressionStateManager::visitInvalidTypeOp ( Operation *  op )

inlineprivate

Definition at line 629 of file PrepareForEmission.cpp.

visitUnhandledComb()

EmittedExpressionState EmittedExpressionStateManager::visitUnhandledComb ( Operation *  op )

inlineprivate

Definition at line 626 of file PrepareForEmission.cpp.

References visitUnhandledExpr().

visitUnhandledExpr()

EmittedExpressionState EmittedExpressionStateManager::visitUnhandledExpr ( Operation *  op )

inlineprivate

Definition at line 617 of file PrepareForEmission.cpp.

References EmittedExpressionState::getBaseState(), and mergeOperandsStates().

Referenced by visitUnhandledComb(), visitUnhandledSV(), and visitUnhandledTypeOp().

visitUnhandledSV()

EmittedExpressionState EmittedExpressionStateManager::visitUnhandledSV ( Operation *  op )

inlineprivate

Definition at line 635 of file PrepareForEmission.cpp.

References visitUnhandledExpr().

visitUnhandledTypeOp()

EmittedExpressionState EmittedExpressionStateManager::visitUnhandledTypeOp ( Operation *  op )

inlineprivate

Definition at line 632 of file PrepareForEmission.cpp.

References visitUnhandledExpr().

Friends And Related Symbol Documentation

CombinationalVisitor< EmittedExpressionStateManager, EmittedExpressionState >

friend class CombinationalVisitor< EmittedExpressionStateManager, EmittedExpressionState >

friend

Definition at line 609 of file PrepareForEmission.cpp.

TypeOpVisitor< EmittedExpressionStateManager, EmittedExpressionState >

friend class TypeOpVisitor< EmittedExpressionStateManager, EmittedExpressionState >

friend

Definition at line 609 of file PrepareForEmission.cpp.

Visitor< EmittedExpressionStateManager, EmittedExpressionState >

friend class Visitor< EmittedExpressionStateManager, EmittedExpressionState >

friend

Definition at line 609 of file PrepareForEmission.cpp.

Member Data Documentation

expressionStates

DenseMap<Value, EmittedExpressionState> EmittedExpressionStateManager::expressionStates

private

Definition at line 648 of file PrepareForEmission.cpp.

Referenced by getExpressionState().

options

const LoweringOptions& EmittedExpressionStateManager::options

private

Definition at line 642 of file PrepareForEmission.cpp.

Referenced by dispatchHeuristic(), and shouldSpillWireBasedOnState().

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

• /home/runner/work/circt-www/circt-www/circt_src/lib/Conversion/ExportVerilog/PrepareForEmission.cpp