Dedup.cpp File Reference

#include "circt/Dialect/FIRRTL/AnnotationDetails.h"
#include "circt/Dialect/FIRRTL/FIRRTLAttributes.h"
#include "circt/Dialect/FIRRTL/FIRRTLInstanceGraph.h"
#include "circt/Dialect/FIRRTL/FIRRTLOps.h"
#include "circt/Dialect/FIRRTL/FIRRTLTypes.h"
#include "circt/Dialect/FIRRTL/FIRRTLUtils.h"
#include "circt/Dialect/FIRRTL/NLATable.h"
#include "circt/Dialect/FIRRTL/Passes.h"
#include "circt/Dialect/HW/HWAttributes.h"
#include "circt/Dialect/HW/InnerSymbolNamespace.h"
#include "circt/Support/Debug.h"
#include "circt/Support/LLVM.h"
#include "mlir/IR/IRMapping.h"
#include "mlir/IR/Threading.h"
#include "mlir/Pass/Pass.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseMapInfo.h"
#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/SHA256.h"
#include "circt/Dialect/FIRRTL/Passes.h.inc"

Include dependency graph for Dedup.cpp:

Go to the source code of this file.

Classes
struct	ModuleInfo
struct	StructuralHasherSharedConstants
	This struct contains constant string attributes shared across different threads. More...
struct	StructuralHasher
struct	ModuleInfoRef
	A reference to a ModuleInfo that compares and hashes like it. More...
struct	llvm::DenseMapInfo< ModuleInfoRef >
	Allow ModuleInfoRef to be used as dense map keys. More...
struct	Equivalence
	This class is for reporting differences between two modules which should have been deduplicated. More...
struct	Equivalence::ModuleData
struct	Deduper

Namespaces
namespace	circt
	The InstanceGraph op interface, see InstanceGraphInterface.td for more details.
namespace	circt::firrtl

Macros
#define	DEBUG_TYPE   "firrtl-dedup"
#define	GEN_PASS_DEF_DEDUP

Functions
static bool	canRemoveModule (mlir::SymbolOpInterface symbol)
	Returns true if the module can be removed.
static bool	operator== (const ModuleInfo &lhs, const ModuleInfo &rhs)
static Location	mergeLoc (MLIRContext *context, Location to, Location from)
static void	fixupConnect (ImplicitLocOpBuilder &builder, Value dst, Value src)
	This fixes up connects when the field names of a bundle type changes.
static void	fixupSymbolSensitiveOp (Operation *op, InstanceGraph &instanceGraph, const DenseMap< Attribute, StringAttr > &dedupMap)
	Adjust the symbol references in an op.
static void	fixupSymbolSensitiveOps (InstanceGraph &instanceGraph, const DenseMap< Operation *, ModuleInfoRef > &moduleToModuleInfo, const DenseMap< Attribute, StringAttr > &dedupMap)
	Adjust the symbol references in ops marked as sensitive to them.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "firrtl-dedup"

Definition at line 37 of file Dedup.cpp.

GEN_PASS_DEF_DEDUP

#define GEN_PASS_DEF_DEDUP

Definition at line 41 of file Dedup.cpp.

Function Documentation

canRemoveModule()

static bool canRemoveModule ( mlir::SymbolOpInterface  symbol )

static

Returns true if the module can be removed.

Definition at line 55 of file Dedup.cpp.

Referenced by Equivalence::check().

fixupConnect()

static void fixupConnect ( ImplicitLocOpBuilder &  builder, Value  dst, Value  src  )

static

This fixes up connects when the field names of a bundle type changes.

It finds all fields which were previously bulk connected and legalizes it into a connect for each field.

Definition at line 1553 of file Dedup.cpp.

References circt::firrtl::emitConnect(), and fixupConnect().

Referenced by fixupConnect(), and fixupSymbolSensitiveOp().

fixupSymbolSensitiveOp()

static void fixupSymbolSensitiveOp ( Operation *  op, InstanceGraph &  instanceGraph, const DenseMap< Attribute, StringAttr > &  dedupMap  )

static

Adjust the symbol references in an op.

Thsi includes updating its attributes and types.

Definition at line 1579 of file Dedup.cpp.

References fixupConnect().

Referenced by fixupSymbolSensitiveOps().

fixupSymbolSensitiveOps()

static void fixupSymbolSensitiveOps ( InstanceGraph &  instanceGraph, const DenseMap< Operation *, ModuleInfoRef > &  moduleToModuleInfo, const DenseMap< Attribute, StringAttr > &  dedupMap  )

static

Adjust the symbol references in ops marked as sensitive to them.

This includes updating their attributes and types.

Definition at line 1647 of file Dedup.cpp.

References fixupSymbolSensitiveOp().

mergeLoc()

static Location mergeLoc ( MLIRContext *  context, Location  to, Location  from  )

static

Definition at line 940 of file Dedup.cpp.

Referenced by Deduper::dedup(), Deduper::mergeBlocks(), and Deduper::mergeOps().

operator==()

static bool operator== ( const ModuleInfo &  lhs, const ModuleInfo &  rhs  )

static

Definition at line 93 of file Dedup.cpp.

References ModuleInfo::referredModuleNames, and ModuleInfo::structuralHash.