mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-23 16:30:00 +00:00
cfb8a1bea1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76356 91177308-0d34-0410-b5e6-96231b3b80d8
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
//===-- llvm/CodeGen/Spiller.h - Spiller -*- C++ -*------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CODEGEN_SPILLER_H
|
|
#define LLVM_CODEGEN_SPILLER_H
|
|
|
|
#include <vector>
|
|
|
|
namespace llvm {
|
|
|
|
class LiveInterval;
|
|
class LiveIntervals;
|
|
class LiveStacks;
|
|
class MachineFunction;
|
|
class MachineInstr;
|
|
class VirtRegMap;
|
|
class VNInfo;
|
|
|
|
/// Spiller interface.
|
|
///
|
|
/// Implementations are utility classes which insert spill or remat code on
|
|
/// demand.
|
|
class Spiller {
|
|
public:
|
|
virtual ~Spiller() = 0;
|
|
|
|
/// Spill the given live range. The method used will depend on the Spiller
|
|
/// implementation selected.
|
|
virtual std::vector<LiveInterval*> spill(LiveInterval *li) = 0;
|
|
|
|
/// Intra-block split.
|
|
virtual std::vector<LiveInterval*> intraBlockSplit(LiveInterval *li,
|
|
VNInfo *valno) = 0;
|
|
|
|
};
|
|
|
|
/// Create and return a spiller object, as specified on the command line.
|
|
Spiller* createSpiller(MachineFunction *mf, LiveIntervals *li,
|
|
LiveStacks *ls, VirtRegMap *vrm);
|
|
}
|
|
|
|
#endif
|