VLIWMachineScheduler.cpp File Reference

#include "llvm/CodeGen/VLIWMachineScheduler.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/DFAPacketizer.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/RegisterClassInfo.h"
#include "llvm/CodeGen/RegisterPressure.h"
#include "llvm/CodeGen/ScheduleDAG.h"
#include "llvm/CodeGen/ScheduleHazardRecognizer.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetOpcodes.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSchedule.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <iomanip>
#include <limits>
#include <memory>
#include <sstream>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "machine-scheduler"

Functions
static bool	isSingleUnscheduledPred (SUnit *SU, SUnit *SU2)
	isSingleUnscheduledPred - If SU2 is the only unscheduled predecessor of SU, return true (we may have duplicates)
static bool	isSingleUnscheduledSucc (SUnit *SU, SUnit *SU2)
	isSingleUnscheduledSucc - If SU2 is the only unscheduled successor of SU, return true (we may have duplicates)

Variables
static cl::opt< bool >	IgnoreBBRegPressure ("ignore-bb-reg-pressure", cl::Hidden, cl::init(false))
static cl::opt< bool >	UseNewerCandidate ("use-newer-candidate", cl::Hidden, cl::init(true))
static cl::opt< unsigned >	SchedDebugVerboseLevel ("misched-verbose-level", cl::Hidden, cl::init(1))
static cl::opt< bool >	CheckEarlyAvail ("check-early-avail", cl::Hidden, cl::init(true))
static cl::opt< float >	RPThreshold ("vliw-misched-reg-pressure", cl::Hidden, cl::init(0.75f), cl::desc("High register pressure threhold."))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "machine-scheduler"

Definition at line 42 of file VLIWMachineScheduler.cpp.

Function Documentation

isSingleUnscheduledPred()

static bool isSingleUnscheduledPred ( SUnit *  SU, SUnit *  SU2  )

inlinestatic

isSingleUnscheduledPred - If SU2 is the only unscheduled predecessor of SU, return true (we may have duplicates)

Definition at line 545 of file VLIWMachineScheduler.cpp.

References llvm::SUnit::NumPredsLeft, and llvm::SUnit::Preds.

Referenced by llvm::ConvergingVLIWScheduler::SchedulingCost().

isSingleUnscheduledSucc()

static bool isSingleUnscheduledSucc ( SUnit *  SU, SUnit *  SU2  )

inlinestatic

isSingleUnscheduledSucc - If SU2 is the only unscheduled successor of SU, return true (we may have duplicates)

Definition at line 560 of file VLIWMachineScheduler.cpp.

References llvm::SUnit::NumSuccsLeft, and llvm::SUnit::Succs.

Referenced by llvm::ConvergingVLIWScheduler::SchedulingCost().

Variable Documentation

CheckEarlyAvail

cl::opt< bool > CheckEarlyAvail("check-early-avail", cl::Hidden, cl::init(true)) ( "check-early-avail"  , cl::Hidden  , cl::init(true)    )

static

Referenced by llvm::ConvergingVLIWScheduler::SchedulingCost().

IgnoreBBRegPressure

cl::opt< bool > IgnoreBBRegPressure("ignore-bb-reg-pressure", cl::Hidden, cl::init(false)) ( "ignore-bb-reg-pressure"  , cl::Hidden  , cl::init(false)    )

static

Referenced by llvm::ConvergingVLIWScheduler::SchedulingCost().

RPThreshold

cl::opt< float > RPThreshold("vliw-misched-reg-pressure", cl::Hidden, cl::init(0.75f), cl::desc("High register pressure threhold.")) ( "vliw-misched-reg-pressure"  , cl::Hidden  , cl::init(0.75f)  , cl::desc("High register pressure threhold.")    )

static

Referenced by llvm::ConvergingVLIWScheduler::initialize().

SchedDebugVerboseLevel

cl::opt< unsigned > SchedDebugVerboseLevel("misched-verbose-level", cl::Hidden, cl::init(1)) ( "misched-verbose-level"  , cl::Hidden  , cl::init(1)    )

static

Referenced by llvm::ConvergingVLIWScheduler::pickNodeFromQueue().

UseNewerCandidate

cl::opt< bool > UseNewerCandidate("use-newer-candidate", cl::Hidden, cl::init(true)) ( "use-newer-candidate"  , cl::Hidden  , cl::init(true)    )

static

Referenced by llvm::ConvergingVLIWScheduler::pickNodeFromQueue().