mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-16 00:17:32 +00:00
2d24e2a396
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.3 KiB
C++
48 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
|
|
|
|
namespace llvm {
|
|
|
|
class LiveRangeEdit;
|
|
class MachineFunction;
|
|
class MachineFunctionPass;
|
|
class VirtRegMap;
|
|
|
|
/// Spiller interface.
|
|
///
|
|
/// Implementations are utility classes which insert spill or remat code on
|
|
/// demand.
|
|
class Spiller {
|
|
virtual void anchor();
|
|
public:
|
|
virtual ~Spiller() = 0;
|
|
|
|
/// spill - Spill the LRE.getParent() live interval.
|
|
virtual void spill(LiveRangeEdit &LRE) = 0;
|
|
|
|
};
|
|
|
|
/// Create and return a spiller object, as specified on the command line.
|
|
Spiller* createSpiller(MachineFunctionPass &pass,
|
|
MachineFunction &mf,
|
|
VirtRegMap &vrm);
|
|
|
|
/// Create and return a spiller that will insert spill code directly instead
|
|
/// of deferring though VirtRegMap.
|
|
Spiller *createInlineSpiller(MachineFunctionPass &pass,
|
|
MachineFunction &mf,
|
|
VirtRegMap &vrm);
|
|
|
|
}
|
|
|
|
#endif
|