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authorDan Gohman <gohman@apple.com>2008-07-10 19:55:04 +0000
committerDan Gohman <gohman@apple.com>2008-07-10 19:55:04 +0000
commit1bf85e569bc2ef9bc0b138592be8c6ad7b81393f (patch)
treee56139bcd5cb1d56ce6a372ceec72f7a497509c6 /include
parentfdeb4b3f1d5a17afdf9a9b3a27ea60bee5972ebd (diff)
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Remove this file; the code that it went with is no longer
in the repository. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53416 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r--include/llvm/CodeGen/SchedGraphCommon.h289
1 files changed, 0 insertions, 289 deletions
diff --git a/include/llvm/CodeGen/SchedGraphCommon.h b/include/llvm/CodeGen/SchedGraphCommon.h
deleted file mode 100644
index 514c464dff..0000000000
--- a/include/llvm/CodeGen/SchedGraphCommon.h
+++ /dev/null
@@ -1,289 +0,0 @@
-//===-- SchedGraphCommon.h - Scheduling Base Graph --------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// A common graph class that is based on the SSA graph. It includes
-// extra dependencies that are caused by machine resources.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CODEGEN_SCHEDGRAPHCOMMON_H
-#define LLVM_CODEGEN_SCHEDGRAPHCOMMON_H
-
-#include "llvm/Value.h"
-#include "llvm/ADT/iterator.h"
-#include "llvm/Support/Streams.h"
-#include <vector>
-
-namespace llvm {
-
-class SchedGraphEdge;
-class SchedGraphNode;
-
-/******************** Exported Data Types and Constants ********************/
-
-typedef int ResourceId;
-const ResourceId InvalidRID = -1;
-const ResourceId MachineCCRegsRID = -2; // use +ve numbers for actual regs
-const ResourceId MachineIntRegsRID = -3; // use +ve numbers for actual regs
-const ResourceId MachineFPRegsRID = -4; // use +ve numbers for actual regs
-
-
-//*********************** Public Class Declarations ************************/
-class SchedGraphNodeCommon {
-protected:
- unsigned ID;
- std::vector<SchedGraphEdge*> inEdges;
- std::vector<SchedGraphEdge*> outEdges;
- int latency;
- int origIndexInBB; // original position of instr in BB
-
-public:
- typedef std::vector<SchedGraphEdge*>::iterator iterator;
- typedef std::vector<SchedGraphEdge*>::const_iterator const_iterator;
- typedef std::vector<SchedGraphEdge*>::reverse_iterator reverse_iterator;
- typedef std::vector<SchedGraphEdge*>::const_reverse_iterator const_reverse_iterator;
-
- // Accessor methods
- unsigned getNodeId() const { return ID; }
- int getLatency() const { return latency; }
- unsigned getNumInEdges() const { return inEdges.size(); }
- unsigned getNumOutEdges() const { return outEdges.size(); }
- int getOrigIndexInBB() const { return origIndexInBB; }
-
- // Iterators
- iterator beginInEdges() { return inEdges.begin(); }
- iterator endInEdges() { return inEdges.end(); }
- iterator beginOutEdges() { return outEdges.begin(); }
- iterator endOutEdges() { return outEdges.end(); }
-
- const_iterator beginInEdges() const { return inEdges.begin(); }
- const_iterator endInEdges() const { return inEdges.end(); }
- const_iterator beginOutEdges() const { return outEdges.begin(); }
- const_iterator endOutEdges() const { return outEdges.end(); }
-
- void dump(int indent=0) const;
-
- // Debugging support
- virtual void print(std::ostream &os) const = 0;
- void print(std::ostream *os) const { if (os) print(*os); }
-
-protected:
- friend class SchedGraphCommon;
- friend class SchedGraphEdge; // give access for adding edges
-
-
- // disable default constructor and provide a ctor for single-block graphs
- SchedGraphNodeCommon(); // DO NOT IMPLEMENT
-
- inline SchedGraphNodeCommon(unsigned Id, int index, int late=0) : ID(Id), latency(late), origIndexInBB(index) {}
-
- virtual ~SchedGraphNodeCommon();
-
- //Functions to add and remove edges
- inline void addInEdge(SchedGraphEdge* edge) { inEdges.push_back(edge); }
- inline void addOutEdge(SchedGraphEdge* edge) { outEdges.push_back(edge); }
- void removeInEdge(const SchedGraphEdge* edge);
- void removeOutEdge(const SchedGraphEdge* edge);
-
-};
-
-// ostream << operator for SchedGraphNode class
-inline std::ostream &operator<<(std::ostream &os,
- const SchedGraphNodeCommon &node) {
- node.print(os);
- return os;
-}
-
-//
-// SchedGraphEdge - Edge class to represent dependencies
-//
-class SchedGraphEdge {
-public:
- enum SchedGraphEdgeDepType {
- CtrlDep, MemoryDep, ValueDep, MachineRegister, MachineResource
- };
- enum DataDepOrderType {
- TrueDep = 0x1, AntiDep=0x2, OutputDep=0x4, NonDataDep=0x8
- };
-
-protected:
- SchedGraphNodeCommon* src;
- SchedGraphNodeCommon* sink;
- SchedGraphEdgeDepType depType;
- unsigned int depOrderType;
- int minDelay; // cached latency (assumes fixed target arch)
- int iteDiff;
-
- union {
- const Value* val;
- int machineRegNum;
- ResourceId resourceId;
- };
-
-public:
- // For all constructors, if minDelay is unspecified, minDelay is
- // set to _src->getLatency().
-
- // constructor for CtrlDep or MemoryDep edges, selected by 3rd argument
- SchedGraphEdge(SchedGraphNodeCommon* _src, SchedGraphNodeCommon* _sink,
- SchedGraphEdgeDepType _depType, unsigned int _depOrderType,
- int _minDelay = -1);
-
- // constructor for explicit value dependence (may be true/anti/output)
- SchedGraphEdge(SchedGraphNodeCommon* _src, SchedGraphNodeCommon* _sink,
- const Value* _val, unsigned int _depOrderType,
- int _minDelay = -1);
-
- // constructor for machine register dependence
- SchedGraphEdge(SchedGraphNodeCommon* _src,SchedGraphNodeCommon* _sink,
- unsigned int _regNum, unsigned int _depOrderType,
- int _minDelay = -1);
-
- // constructor for any other machine resource dependences.
- // DataDepOrderType is always NonDataDep. It it not an argument to
- // avoid overloading ambiguity with previous constructor.
- SchedGraphEdge(SchedGraphNodeCommon* _src, SchedGraphNodeCommon* _sink,
- ResourceId _resourceId, int _minDelay = -1);
-
- ~SchedGraphEdge() {}
-
- SchedGraphNodeCommon* getSrc() const { return src; }
- SchedGraphNodeCommon* getSink() const { return sink; }
- int getMinDelay() const { return minDelay; }
- SchedGraphEdgeDepType getDepType() const { return depType; }
- unsigned int getDepOrderType() const { return depOrderType; }
-
- const Value* getValue() const {
- assert(depType == ValueDep); return val;
- }
-
- int getMachineReg() const {
- assert(depType == MachineRegister); return machineRegNum;
- }
-
- int getResourceId() const {
- assert(depType == MachineResource); return resourceId;
- }
-
- void setIteDiff(int _iteDiff) {
- iteDiff = _iteDiff;
- }
-
- int getIteDiff() {
- return iteDiff;
- }
-
-public:
- // Debugging support
- void print(std::ostream &os) const;
- void print(std::ostream *os) const { if (os) print(*os); }
- void dump(int indent=0) const;
-
-private:
- // disable default ctor
- SchedGraphEdge(); // DO NOT IMPLEMENT
-};
-
-// ostream << operator for SchedGraphNode class
-inline std::ostream &operator<<(std::ostream &os, const SchedGraphEdge &edge) {
- edge.print(os);
- return os;
-}
-
-class SchedGraphCommon {
-
-protected:
- SchedGraphNodeCommon* graphRoot; // the root and leaf are not inserted
- SchedGraphNodeCommon* graphLeaf; // in the hash_map (see getNumNodes())
-
-public:
- //
- // Accessor methods
- //
- SchedGraphNodeCommon* getRoot() const { return graphRoot; }
- SchedGraphNodeCommon* getLeaf() const { return graphLeaf; }
-
- //
- // Delete nodes or edges from the graph.
- //
- void eraseNode(SchedGraphNodeCommon* node);
- void eraseIncomingEdges(SchedGraphNodeCommon* node, bool addDummyEdges = true);
- void eraseOutgoingEdges(SchedGraphNodeCommon* node, bool addDummyEdges = true);
- void eraseIncidentEdges(SchedGraphNodeCommon* node, bool addDummyEdges = true);
-
- SchedGraphCommon() {}
- ~SchedGraphCommon();
-};
-
-
-//********************** Sched Graph Iterators *****************************/
-
-// Ok to make it a template because it shd get instantiated at most twice:
-// for <SchedGraphNode, SchedGraphNode::iterator> and
-// for <const SchedGraphNode, SchedGraphNode::const_iterator>.
-//
-template <class _NodeType, class _EdgeType, class _EdgeIter>
-class SGPredIterator: public bidirectional_iterator<_NodeType, ptrdiff_t> {
-protected:
- _EdgeIter oi;
-public:
- typedef SGPredIterator<_NodeType, _EdgeType, _EdgeIter> _Self;
-
- inline SGPredIterator(_EdgeIter startEdge) : oi(startEdge) {}
-
- inline bool operator==(const _Self& x) const { return oi == x.oi; }
- inline bool operator!=(const _Self& x) const { return !operator==(x); }
-
- // operator*() differs for pred or succ iterator
- inline _NodeType* operator*() const { return (_NodeType*)(*oi)->getSrc(); }
- inline _NodeType* operator->() const { return operator*(); }
-
- inline _EdgeType* getEdge() const { return *(oi); }
-
- inline _Self &operator++() { ++oi; return *this; } // Preincrement
- inline _Self operator++(int) { // Postincrement
- _Self tmp(*this); ++*this; return tmp;
- }
-
- inline _Self &operator--() { --oi; return *this; } // Predecrement
- inline _Self operator--(int) { // Postdecrement
- _Self tmp = *this; --*this; return tmp;
- }
-};
-
-template <class _NodeType, class _EdgeType, class _EdgeIter>
-class SGSuccIterator : public bidirectional_iterator<_NodeType, ptrdiff_t> {
-protected:
- _EdgeIter oi;
-public:
- typedef SGSuccIterator<_NodeType, _EdgeType, _EdgeIter> _Self;
-
- inline SGSuccIterator(_EdgeIter startEdge) : oi(startEdge) {}
-
- inline bool operator==(const _Self& x) const { return oi == x.oi; }
- inline bool operator!=(const _Self& x) const { return !operator==(x); }
-
- inline _NodeType* operator*() const { return (_NodeType*)(*oi)->getSink(); }
- inline _NodeType* operator->() const { return operator*(); }
-
- inline _EdgeType* getEdge() const { return *(oi); }
-
- inline _Self &operator++() { ++oi; return *this; } // Preincrement
- inline _Self operator++(int) { // Postincrement
- _Self tmp(*this); ++*this; return tmp;
- }
-
- inline _Self &operator--() { --oi; return *this; } // Predecrement
- inline _Self operator--(int) { // Postdecrement
- _Self tmp = *this; --*this; return tmp;
- }
-};
-} // End llvm namespace
-
-#endif