1//===-- llvm/CodeGen/Spiller.h - Spiller -*- C++ -*------------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef LLVM_CODEGEN_SPILLER_H
11#define LLVM_CODEGEN_SPILLER_H
12
13#include "llvm/ADT/SmallVector.h"
| 1//===-- llvm/CodeGen/Spiller.h - Spiller -*- C++ -*------------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef LLVM_CODEGEN_SPILLER_H
11#define LLVM_CODEGEN_SPILLER_H
12
13#include "llvm/ADT/SmallVector.h"
|
14#include <vector>
| |
15
16namespace llvm {
17
18 class LiveInterval;
| 14
15namespace llvm {
16
17 class LiveInterval;
|
19 class LiveIntervals;
20 class LiveStacks;
| |
21 class MachineFunction;
| 18 class MachineFunction;
|
22 class MachineInstr;
23 class MachineLoopInfo;
| 19 class MachineFunctionPass;
|
24 class SlotIndex;
25 class VirtRegMap;
| 20 class SlotIndex;
21 class VirtRegMap;
|
26 class VNInfo;
| |
27
28 /// Spiller interface.
29 ///
30 /// Implementations are utility classes which insert spill or remat code on
31 /// demand.
32 class Spiller {
33 public:
34 virtual ~Spiller() = 0;
35
36 /// spill - Spill the given live interval. The method used will depend on
37 /// the Spiller implementation selected.
38 ///
39 /// @param li The live interval to be spilled.
40 /// @param spillIs A list of intervals that are about to be spilled,
41 /// and so cannot be used for remat etc.
42 /// @param newIntervals The newly created intervals will be appended here.
| 22
23 /// Spiller interface.
24 ///
25 /// Implementations are utility classes which insert spill or remat code on
26 /// demand.
27 class Spiller {
28 public:
29 virtual ~Spiller() = 0;
30
31 /// spill - Spill the given live interval. The method used will depend on
32 /// the Spiller implementation selected.
33 ///
34 /// @param li The live interval to be spilled.
35 /// @param spillIs A list of intervals that are about to be spilled,
36 /// and so cannot be used for remat etc.
37 /// @param newIntervals The newly created intervals will be appended here.
|
43 /// @param earliestIndex The earliest point for splitting. (OK, it's another
44 /// pointer to the allocator guts).
| |
45 virtual void spill(LiveInterval *li,
| 38 virtual void spill(LiveInterval *li,
|
46 std::vector<LiveInterval*> &newIntervals,
47 SmallVectorImpl<LiveInterval*> &spillIs,
48 SlotIndex *earliestIndex = 0) = 0;
| 39 SmallVectorImpl<LiveInterval*> &newIntervals,
40 SmallVectorImpl<LiveInterval*> &spillIs) = 0;
|
49
50 };
51
52 /// Create and return a spiller object, as specified on the command line.
| 41
42 };
43
44 /// Create and return a spiller object, as specified on the command line.
|
53 Spiller* createSpiller(MachineFunction *mf, LiveIntervals *li,
54 const MachineLoopInfo *loopInfo, VirtRegMap *vrm);
| 45 Spiller* createSpiller(MachineFunctionPass &pass,
46 MachineFunction &mf,
47 VirtRegMap &vrm);
|
55}
56
57#endif
| 48}
49
50#endif
|