DFAPacketizer.cpp File Reference

#include "llvm/CodeGen/DFAPacketizer.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBundle.h"
#include "llvm/CodeGen/ScheduleDAG.h"
#include "llvm/CodeGen/ScheduleDAGInstrs.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/MC/MCInstrItineraries.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <iterator>
#include <memory>
#include <vector>

Include dependency graph for DFAPacketizer.cpp:

Go to the source code of this file.

Classes
class	llvm::DefaultVLIWScheduler

Namespaces
	llvm
	This class represents lattice values for constants.

Macros
#define	DEBUG_TYPE   "packets"

Functions
static DFAInput	addDFAFuncUnits (DFAInput Inp, unsigned FuncUnits)
static DFAInput	getDFAInsnInput (const std::vector< unsigned > &InsnClass)
	Return the DFAInput for an instruction class input vector. More...

Variables
static cl::opt< unsigned >	InstrLimit ("dfa-instr-limit", cl::Hidden, cl::init(0), cl::desc("If present, stops packetizing after N instructions"))
static unsigned	InstrCount = 0

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "packets"

Definition at line 47 of file DFAPacketizer.cpp.

Function Documentation

addDFAFuncUnits()

static DFAInput addDFAFuncUnits ( DFAInput  Inp, unsigned  FuncUnits  )

static

Definition at line 57 of file DFAPacketizer.cpp.

References DFA_MAX_RESOURCES.

Referenced by getDFAInsnInput(), and llvm::DFAPacketizer::getInsnInput().

getDFAInsnInput()

static DFAInput getDFAInsnInput ( const std::vector< unsigned > &  InsnClass )

static

Return the DFAInput for an instruction class input vector.

This function is used in both DFAPacketizer.cpp and in DFAPacketizerEmitter.cpp.

Definition at line 64 of file DFAPacketizer.cpp.

References addDFAFuncUnits(), assert(), and DFA_MAX_RESTERMS.

Referenced by llvm::DFAPacketizer::getInsnInput().

Variable Documentation

InstrCount

unsigned InstrCount = 0

static

Definition at line 52 of file DFAPacketizer.cpp.

Referenced by llvm::FPPassManager::doFinalization(), llvm::AnalysisResolver::findImplPass(), llvm::MachineFunction::getInstructionCount(), llvm::MachineTraceMetrics::getResources(), llvm::PMDataManager::initSizeRemarkInfo(), parseCond(), llvm::ILPValue::print(), llvm::LPPassManager::runOnFunction(), llvm::FPPassManager::runOnFunction(), llvm::TailDuplicator::shouldTailDuplicate(), and llvm::SchedDFSImpl::visitPostorderNode().

InstrLimit

cl::opt<unsigned> InstrLimit("dfa-instr-limit", cl::Hidden, cl::init(0), cl::desc("If present, stops packetizing after N instructions"))

static

Referenced by findSurvivorBackwards(), llvm::RegScavenger::getRegsAvailable(), llvm::VLIWPacketizerList::PacketizeMIs(), and llvm::RegScavenger::scavengeRegister().