llvm-6502/include/llvm/CodeGen/SchedulerRegistry.h
Bill Wendling 98a366d547 Instead of passing in an unsigned value for the optimization level, use an enum,
which better identifies what the optimization is doing. And is more flexible for
future uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70440 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29 23:29:43 +00:00

94 lines
3.2 KiB
C++

//===-- llvm/CodeGen/SchedulerRegistry.h ------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the implementation for instruction scheduler function
// pass registry (RegisterScheduler).
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGENSCHEDULERREGISTRY_H
#define LLVM_CODEGENSCHEDULERREGISTRY_H
#include "llvm/CodeGen/MachinePassRegistry.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
//===----------------------------------------------------------------------===//
///
/// RegisterScheduler class - Track the registration of instruction schedulers.
///
//===----------------------------------------------------------------------===//
class SelectionDAGISel;
class ScheduleDAGSDNodes;
class SelectionDAG;
class MachineBasicBlock;
class RegisterScheduler : public MachinePassRegistryNode {
public:
typedef ScheduleDAGSDNodes *(*FunctionPassCtor)(SelectionDAGISel*,
CodeGenOpt::Level);
static MachinePassRegistry Registry;
RegisterScheduler(const char *N, const char *D, FunctionPassCtor C)
: MachinePassRegistryNode(N, D, (MachinePassCtor)C)
{ Registry.Add(this); }
~RegisterScheduler() { Registry.Remove(this); }
// Accessors.
//
RegisterScheduler *getNext() const {
return (RegisterScheduler *)MachinePassRegistryNode::getNext();
}
static RegisterScheduler *getList() {
return (RegisterScheduler *)Registry.getList();
}
static FunctionPassCtor getDefault() {
return (FunctionPassCtor)Registry.getDefault();
}
static void setDefault(FunctionPassCtor C) {
Registry.setDefault((MachinePassCtor)C);
}
static void setListener(MachinePassRegistryListener *L) {
Registry.setListener(L);
}
};
/// createBURRListDAGScheduler - This creates a bottom up register usage
/// reduction list scheduler.
ScheduleDAGSDNodes *createBURRListDAGScheduler(SelectionDAGISel *IS,
CodeGenOpt::Level OptLevel);
/// createTDRRListDAGScheduler - This creates a top down register usage
/// reduction list scheduler.
ScheduleDAGSDNodes *createTDRRListDAGScheduler(SelectionDAGISel *IS,
CodeGenOpt::Level OptLevel);
/// createTDListDAGScheduler - This creates a top-down list scheduler with
/// a hazard recognizer.
ScheduleDAGSDNodes *createTDListDAGScheduler(SelectionDAGISel *IS,
CodeGenOpt::Level OptLevel);
/// createFastDAGScheduler - This creates a "fast" scheduler.
///
ScheduleDAGSDNodes *createFastDAGScheduler(SelectionDAGISel *IS,
CodeGenOpt::Level OptLevel);
/// createDefaultScheduler - This creates an instruction scheduler appropriate
/// for the target.
ScheduleDAGSDNodes *createDefaultScheduler(SelectionDAGISel *IS,
CodeGenOpt::Level OptLevel);
} // end namespace llvm
#endif