circt::firrtl::FieldRefCache Class Reference

Caching version of getFieldRefFromValue. More...

#include <FieldRefCache.h>

Collaboration diagram for circt::firrtl::FieldRefCache:

Public Member Functions
FieldRef	getFieldRefFromValue (Value value, bool lookThroughCasts=false)
	Caching version of getFieldRefFromValue.
void	clear ()
	Drop all cached entries.
void	printStats (llvm::raw_ostream &os) const
void	addToTotals (size_t &totalHits, size_t &totalComputed, size_t &totalQueries) const
void	verifyImpl () const
void	verify () const
	Verify cached fieldRefs against firrtl::getFieldRefFromValue.

Private Types
using	Key = llvm::PointerIntPair< Value, 1, bool >

Private Attributes
DenseMap< Key, FieldRef >	refs
size_t	computed = 0
size_t	hits = 0
size_t	queries = 0

Detailed Description

Caching version of getFieldRefFromValue.

Computes the requested FieldRef and for all operations visited along the way. Tracks some stats in debug.

Definition at line 26 of file FieldRefCache.h.

Member Typedef Documentation

Key

using circt::firrtl::FieldRefCache::Key = llvm::PointerIntPair<Value, 1, bool>

private

Definition at line 27 of file FieldRefCache.h.

Member Function Documentation

addToTotals()

void firrtl::FieldRefCache::addToTotals	(	size_t &	totalHits,
		size_t &	totalComputed,
		size_t &	totalQueries
	)		const

Definition at line 85 of file FieldRefCache.cpp.

clear()

void circt::firrtl::FieldRefCache::clear ( )

inline

Drop all cached entries.

Definition at line 40 of file FieldRefCache.h.

References refs.

getFieldRefFromValue()

FieldRef firrtl::FieldRefCache::getFieldRefFromValue	(	Value	value,
		bool	lookThroughCasts = false
	)

Caching version of getFieldRefFromValue.

Definition at line 23 of file FieldRefCache.cpp.

References assert(), computed, circt::firrtl::getDeltaRef(), hits, queries, and refs.

printStats()

void firrtl::FieldRefCache::printStats

(

llvm::raw_ostream &

os

)

const

Definition at line 78 of file FieldRefCache.cpp.

verify()

void circt::firrtl::FieldRefCache::verify ( ) const

inline

Verify cached fieldRefs against firrtl::getFieldRefFromValue.

No-op in release builds.

Definition at line 51 of file FieldRefCache.h.

References verifyImpl().

verifyImpl()

void firrtl::FieldRefCache::verifyImpl

(

)

const

Definition at line 93 of file FieldRefCache.cpp.

References assert(), and circt::firrtl::getFieldRefFromValue().

Referenced by verify().

Member Data Documentation

computed

size_t circt::firrtl::FieldRefCache::computed = 0

private

Definition at line 30 of file FieldRefCache.h.

Referenced by getFieldRefFromValue().

hits

size_t circt::firrtl::FieldRefCache::hits = 0

private

Definition at line 31 of file FieldRefCache.h.

Referenced by getFieldRefFromValue().

queries

size_t circt::firrtl::FieldRefCache::queries = 0

private

Definition at line 32 of file FieldRefCache.h.

Referenced by getFieldRefFromValue().

refs

DenseMap<Key, FieldRef> circt::firrtl::FieldRefCache::refs

private

Definition at line 28 of file FieldRefCache.h.

Referenced by clear(), and getFieldRefFromValue().

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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/FIRRTL/FieldRefCache.h
• /home/runner/work/circt-www/circt-www/circt_src/lib/Dialect/FIRRTL/FieldRefCache.cpp