OpenASIP  2.0
DDGPass.cc
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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 
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23  */
24 /**
25  *
26  * @file DDGPass.cc
27  *
28  * Definition of a DDGPass class.
29  *
30  * @author Heikki Kultala 2007 (hkultala-no.spam-cs.tut.fi)
31  * @note rating: red
32  */
33 
34 #include "DDGPass.hh"
35 #include "DataDependenceGraph.hh"
36 #include "Machine.hh"
37 #include "SimpleResourceManager.hh"
38 
39 /**
40  * Constructor.
41  */
43  SchedulerPass(data) {
44 }
45 
46 /**
47  * Destructor.
48  */
50 }
51 
52 /**
53  * Handles a given DDG.
54  *
55  * @param ddg DDG to handle
56  * @param rm Resource manager that is to be used.
57  * @param machine The target machine if any. (NullMachine::instance() if
58  * target machine is irrelevant).
59  * @exception In case handling is unsuccesful for any reason (basicBlock
60  * might still get modified).
61  */
62 int
65  const TTAMachine::Machine& targetMachine, int minCycle, bool /*testOnly*/) {
66  // just to avoid warnings -- need to keep the argument names for
67  // Doxygen comments ;)
68  ddg.nodeCount();
69  rm.largestCycle();
70  targetMachine.machineTester();
71  abortWithError("Should never call this.");
72  minCycle++;
73  return INT_MAX;
74 }
75 
76 int
79  int, SimpleResourceManager*, bool) {
80  return -1;
81 }
DDGPass::handleLoopDDG
virtual int handleLoopDDG(DataDependenceGraph &, SimpleResourceManager &, const TTAMachine::Machine &, int tripCount, SimpleResourceManager *prologRM=NULL, bool testOnly=false)
Definition: DDGPass.cc:77
SchedulerPass
Definition: SchedulerPass.hh:43
SimpleResourceManager::largestCycle
virtual int largestCycle() const override
Definition: SimpleResourceManager.cc:463
DataDependenceGraph.hh
abortWithError
#define abortWithError(message)
Definition: Application.hh:72
DDGPass::DDGPass
DDGPass(InterPassData &data)
Definition: DDGPass.cc:42
TTAMachine::Machine::machineTester
MachineTester & machineTester() const
Definition: Machine.cc:671
InterPassData
Definition: InterPassData.hh:48
Machine.hh
DDGPass::~DDGPass
virtual ~DDGPass()
Definition: DDGPass.cc:49
DDGPass.hh
DataDependenceGraph
Definition: DataDependenceGraph.hh:67
SimpleResourceManager.hh
SimpleResourceManager
Definition: SimpleResourceManager.hh:58
BoostGraph::nodeCount
int nodeCount() const
TTAMachine::Machine
Definition: Machine.hh:73
DDGPass::handleDDG
virtual int handleDDG(DataDependenceGraph &ddg, SimpleResourceManager &rm, const TTAMachine::Machine &targetMachine, int minCycle=0, bool testOnly=false)
Definition: DDGPass.cc:63