Helper class to cache tie-off values for different FIRRTL types. More...

#include <FIRRTLUtils.h>

Collaboration diagram for circt::firrtl::TieOffCache:

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Public Member Functions
	TieOffCache (ImplicitLocOpBuilder &builder)

Value	getInvalid (FIRRTLBaseType type)
	Get or create an InvalidValueOp for the given base type.

Value	getUnknown (PropertyType type)
	Get or create an UnknownValueOp for the given property type.

Private Attributes
ImplicitLocOpBuilder &	builder

SmallDenseMap< Type, Value, 8 >	cache

Detailed Description

Helper class to cache tie-off values for different FIRRTL types.

This avoids creating duplicate InvalidValueOp or UnknownValueOp for the same type.

Definition at line 62 of file FIRRTLUtils.h.

Constructor & Destructor Documentation

◆ TieOffCache()

circt::firrtl::TieOffCache::TieOffCache ( ImplicitLocOpBuilder & builder )

inline

Definition at line 64 of file FIRRTLUtils.h.

Member Function Documentation

◆ getInvalid()

Value TieOffCache::getInvalid ( FIRRTLBaseType type )

Get or create an InvalidValueOp for the given base type.

Definition at line 30 of file FIRRTLUtils.cpp.

References builder, and cache.

◆ getUnknown()

Value TieOffCache::getUnknown ( PropertyType type )

Get or create an UnknownValueOp for the given property type.

Definition at line 37 of file FIRRTLUtils.cpp.

References builder, and cache.

Member Data Documentation

◆ builder

ImplicitLocOpBuilder& circt::firrtl::TieOffCache::builder

private

Definition at line 73 of file FIRRTLUtils.h.

Referenced by getInvalid(), and getUnknown().

◆ cache

SmallDenseMap<Type, Value, 8> circt::firrtl::TieOffCache::cache