OpenASIP
2.0
src
applibs
Scheduler
ProgramRepresentations
DDG
OffsetAliasAnalyzer.hh
Go to the documentation of this file.
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/*
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Copyright (c) 2002-2009 Tampere University.
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This file is part of TTA-Based Codesign Environment (TCE).
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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/**
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*/
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/**
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* @file StackAliasAnalyzer.hh
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*
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* Declaration of StackAliasAnalyzer class.
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*
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* This class does simple alias analysis between memove addresses
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* that point to the stack.
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*
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* @author Heikki Kultala 2009 (heikki.kultala-no.spam-tut.fi)
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* @note rating: ref
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*/
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#ifndef TTA_OFFSET_ALIAS_ANALYZER
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#define TTA_OFFSET_ALIAS_ANALYZER
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#include "
MemoryAliasAnalyzer.hh
"
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#include "
TCEString.hh
"
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#include <map>
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class
OffsetAliasAnalyzer
:
public
MemoryAliasAnalyzer
{
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public
:
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virtual
bool
isAddressTraceable
(
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DataDependenceGraph
& ddg,
const
ProgramOperation
& pop);
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virtual
AliasingResult
analyze
(
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DataDependenceGraph
& ddg,
const
ProgramOperation
& pop1,
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const
ProgramOperation
& pop2,
MoveNodeUse::BBRelation
bbRelation);
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OffsetAliasAnalyzer
(
const
TCEString
& sp);
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~OffsetAliasAnalyzer
();
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private
:
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bool
analyzeLoopPtrIncrease
(
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const
DataDependenceGraph
& ddg,
const
MoveNode
& mn,
long
& offset);
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bool
sameLoopAndPrevSources
(
const
DataDependenceGraph
& ddg,
const
MoveNode
& anc1,
const
MoveNode
& anc2);
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struct
OffsetData
{
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const
MoveNode
*
baseNode
;
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int
offset
;
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OffsetData
(
const
MoveNode
* node,
int
offs) :
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baseNode
(node),
offset
(offs) {}
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};
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std::map <int,OffsetData>
offsetData_
;
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TCEString
sp_
;
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};
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#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
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