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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 | ||
1a4d82fc JJ |
10 | #ifndef LLVM_LIB_CODEGEN_SPILLER_H |
11 | #define LLVM_LIB_CODEGEN_SPILLER_H | |
223e47cc LB |
12 | |
13 | namespace llvm { | |
14 | ||
15 | class LiveRangeEdit; | |
16 | class MachineFunction; | |
17 | class MachineFunctionPass; | |
18 | class VirtRegMap; | |
19 | ||
20 | /// Spiller interface. | |
21 | /// | |
22 | /// Implementations are utility classes which insert spill or remat code on | |
23 | /// demand. | |
24 | class Spiller { | |
25 | virtual void anchor(); | |
26 | public: | |
27 | virtual ~Spiller() = 0; | |
28 | ||
29 | /// spill - Spill the LRE.getParent() live interval. | |
30 | virtual void spill(LiveRangeEdit &LRE) = 0; | |
31 | ||
32 | }; | |
33 | ||
223e47cc LB |
34 | /// Create and return a spiller that will insert spill code directly instead |
35 | /// of deferring though VirtRegMap. | |
36 | Spiller *createInlineSpiller(MachineFunctionPass &pass, | |
37 | MachineFunction &mf, | |
38 | VirtRegMap &vrm); | |
39 | ||
40 | } | |
41 | ||
42 | #endif |