OpenASIP  2.0
OffsetAliasAnalyzer.hh
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1 /*
2  Copyright (c) 2002-2009 Tampere University.
3 
4  This file is part of TTA-Based Codesign Environment (TCE).
5 
6  Permission is hereby granted, free of charge, to any person obtaining a
7  copy of this software and associated documentation files (the "Software"),
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11  Software is furnished to do so, subject to the following conditions:
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17  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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24 /**
25  */
26 
27 /**
28  * @file StackAliasAnalyzer.hh
29  *
30  * Declaration of StackAliasAnalyzer class.
31  *
32  * This class does simple alias analysis between memove addresses
33  * that point to the stack.
34  *
35  * @author Heikki Kultala 2009 (heikki.kultala-no.spam-tut.fi)
36  * @note rating: ref
37  */
38 
39 #ifndef TTA_OFFSET_ALIAS_ANALYZER
40 #define TTA_OFFSET_ALIAS_ANALYZER
41 
42 #include "MemoryAliasAnalyzer.hh"
43 #include "TCEString.hh"
44 #include <map>
45 
47 public:
48  virtual bool isAddressTraceable(
49  DataDependenceGraph& ddg, const ProgramOperation& pop);
50  virtual AliasingResult analyze(
51  DataDependenceGraph& ddg, const ProgramOperation& pop1,
52  const ProgramOperation& pop2, MoveNodeUse::BBRelation bbRelation);
53 
54  OffsetAliasAnalyzer(const TCEString& sp);
56 private:
57 
59  const DataDependenceGraph& ddg, const MoveNode& mn, long& offset);
60 
61  bool sameLoopAndPrevSources(const DataDependenceGraph& ddg, const MoveNode& anc1, const MoveNode& anc2);
62 
63  struct OffsetData {
65  int offset;
66  OffsetData(const MoveNode* node, int offs) :
67  baseNode(node), offset(offs) {}
68  };
69  std::map <int,OffsetData> offsetData_;
70 
72 };
73 
74 #endif
MoveNodeUse::BBRelation
BBRelation
Definition: MoveNodeUse.hh:23
OffsetAliasAnalyzer::OffsetData::OffsetData
OffsetData(const MoveNode *node, int offs)
Definition: OffsetAliasAnalyzer.hh:66
OffsetAliasAnalyzer::OffsetData
Definition: OffsetAliasAnalyzer.hh:63
OffsetAliasAnalyzer::analyze
virtual AliasingResult analyze(DataDependenceGraph &ddg, const ProgramOperation &pop1, const ProgramOperation &pop2, MoveNodeUse::BBRelation bbRelation)
Definition: OffsetAliasAnalyzer.cc:166
OffsetAliasAnalyzer::analyzeLoopPtrIncrease
bool analyzeLoopPtrIncrease(const DataDependenceGraph &ddg, const MoveNode &mn, long &offset)
Definition: OffsetAliasAnalyzer.cc:495
ProgramOperation
Definition: ProgramOperation.hh:70
MoveNode
Definition: MoveNode.hh:65
OffsetAliasAnalyzer::sp_
TCEString sp_
Definition: OffsetAliasAnalyzer.hh:71
OffsetAliasAnalyzer::OffsetData::offset
int offset
Definition: OffsetAliasAnalyzer.hh:65
TCEString.hh
OffsetAliasAnalyzer::OffsetData::baseNode
const MoveNode * baseNode
Definition: OffsetAliasAnalyzer.hh:64
OffsetAliasAnalyzer::sameLoopAndPrevSources
bool sameLoopAndPrevSources(const DataDependenceGraph &ddg, const MoveNode &anc1, const MoveNode &anc2)
Definition: OffsetAliasAnalyzer.cc:478
OffsetAliasAnalyzer::~OffsetAliasAnalyzer
~OffsetAliasAnalyzer()
Definition: OffsetAliasAnalyzer.cc:490
MemoryAliasAnalyzer::AliasingResult
AliasingResult
Definition: MemoryAliasAnalyzer.hh:50
OffsetAliasAnalyzer::isAddressTraceable
virtual bool isAddressTraceable(DataDependenceGraph &ddg, const ProgramOperation &pop)
Definition: OffsetAliasAnalyzer.cc:59
OffsetAliasAnalyzer::offsetData_
std::map< int, OffsetData > offsetData_
Definition: OffsetAliasAnalyzer.hh:69
MemoryAliasAnalyzer
Definition: MemoryAliasAnalyzer.hh:47
TCEString
Definition: TCEString.hh:53
DataDependenceGraph
Definition: DataDependenceGraph.hh:67
MemoryAliasAnalyzer.hh
OffsetAliasAnalyzer
Definition: OffsetAliasAnalyzer.hh:46
OffsetAliasAnalyzer::OffsetAliasAnalyzer
OffsetAliasAnalyzer(const TCEString &sp)
Definition: OffsetAliasAnalyzer.cc:492