MacroFusion.cpp File Reference

#include "llvm/CodeGen/MacroFusion.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineScheduler.h"
#include "llvm/CodeGen/ScheduleDAG.h"
#include "llvm/CodeGen/ScheduleDAGMutation.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"

Include dependency graph for MacroFusion.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "machine-scheduler"

Functions
	STATISTIC (NumFused, "Number of instr pairs fused")
static bool	isHazard (const SDep &Dep)
static bool	fuseInstructionPair (ScheduleDAGMI &DAG, SUnit &FirstSU, SUnit &SecondSU)

Variables
static cl::opt< bool >	EnableMacroFusion ("misched-fusion", cl::Hidden, cl::desc("Enable scheduling for macro fusion."), cl::init(true))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "machine-scheduler"

Definition at line 27 of file MacroFusion.cpp.

Function Documentation

fuseInstructionPair()

static bool fuseInstructionPair ( ScheduleDAGMI &  DAG, SUnit &  FirstSU, SUnit &  SecondSU  )

static

Definition at line 40 of file MacroFusion.cpp.

References llvm::ScheduleDAGMI::addEdge(), llvm::cl::apply(), llvm::SDep::Artificial, llvm::SDep::Cluster, llvm::dbgs(), llvm::ScheduleDAG::dumpNodeName(), llvm::ScheduleDAG::EntrySU, llvm::ScheduleDAG::ExitSU, llvm::SUnit::getInstr(), llvm::MCInstrInfo::getName(), llvm::MachineInstr::getOpcode(), llvm::MachineFunction::getSubtarget(), llvm::SDep::getSUnit(), llvm::SUnit::isBoundaryNode(), llvm::SDep::isCluster(), isHazard(), llvm::SUnit::isPred(), llvm::SUnit::isSucc(), llvm::SDep::isWeak(), LLVM_DEBUG, llvm::ScheduleDAG::MF, llvm::SUnit::Preds, llvm::SDep::setLatency(), llvm::shouldScheduleAdjacent(), SI, llvm::ARM_MB::ST, llvm::SUnit::Succs, llvm::ScheduleDAG::SUnits, TII, and llvm::ScheduleDAG::TII.

isHazard()

static bool isHazard ( const SDep &  Dep )

static

Definition at line 36 of file MacroFusion.cpp.

References llvm::SDep::Anti, llvm::SDep::getKind(), and llvm::SDep::Output.

Referenced by fuseInstructionPair().

STATISTIC()

STATISTIC	(	NumFused	,
		"Number of instr pairs fused"
	)

Variable Documentation

EnableMacroFusion

cl::opt<bool> EnableMacroFusion("misched-fusion", cl::Hidden, cl::desc("Enable scheduling for macro fusion."), cl::init(true))

static

Referenced by llvm::createBranchMacroFusionDAGMutation(), and llvm::createMacroFusionDAGMutation().