Kill off the LoopSplitter. It's not being used or maintained.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145897 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 101 deletions

diff --git a/lib/CodeGen/Splitter.h b/lib/CodeGen/Splitter.h
deleted file mode 100644
index 9fb1b8b301..0000000000
--- a/lib/CodeGen/Splitter.h
+++ /dev/null
@@ -1,101 +0,0 @@
-//===-- llvm/CodeGen/Splitter.h - Splitter -*- C++ -*----------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CODEGEN_SPLITTER_H
-#define LLVM_CODEGEN_SPLITTER_H
-
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineLoopInfo.h"
-#include "llvm/CodeGen/SlotIndexes.h"
-
-#include <deque>
-#include <map>
-#include <string>
-#include <vector>
-
-namespace llvm {
-
-  class LiveInterval;
-  class LiveIntervals;
-  struct LiveRange;
-  class LoopSplit;
-  class MachineDominatorTree;
-  class MachineRegisterInfo;
-  class SlotIndexes;
-  class TargetInstrInfo;
-  class VNInfo;
-
-  class LoopSplitter : public MachineFunctionPass {
-    friend class LoopSplit;
-  public:
-    static char ID;
-
-    LoopSplitter() : MachineFunctionPass(ID) {
-      initializeLoopSplitterPass(*PassRegistry::getPassRegistry());
-    }
-
-    virtual void getAnalysisUsage(AnalysisUsage &au) const;
-
-    virtual bool runOnMachineFunction(MachineFunction &fn);
-
-    virtual void releaseMemory();
-
-
-  private:
-
-    MachineFunction *mf;
-    LiveIntervals *lis;
-    MachineLoopInfo *mli;
-    MachineRegisterInfo *mri;
-    MachineDominatorTree *mdt;
-    SlotIndexes *sis;
-    const TargetInstrInfo *tii;
-    const TargetRegisterInfo *tri;
-
-    std::string fqn;
-    std::deque<LiveInterval*> intervals;
-
-    typedef std::pair<SlotIndex, SlotIndex> SlotPair;
-    typedef std::vector<SlotPair> LoopRanges;
-    typedef std::map<MachineLoop*, LoopRanges> LoopRangeMap;
-    LoopRangeMap loopRangeMap;
-
-    void dumpLoopInfo(MachineLoop &loop);
-
-    void dumpOddTerminators();
-
-    void updateTerminators(MachineBasicBlock &mbb);
-
-    bool canInsertPreHeader(MachineLoop &loop);
-    MachineBasicBlock& insertPreHeader(MachineLoop &loop);
-
-    bool isCriticalEdge(MachineLoop::Edge &edge);
-    bool canSplitEdge(MachineLoop::Edge &edge);
-    MachineBasicBlock& splitEdge(MachineLoop::Edge &edge, MachineLoop &loop);
-
-    LoopRanges& getLoopRanges(MachineLoop &loop);
-    std::pair<bool, SlotPair> getLoopSubRange(const LiveRange &lr,
-                                              MachineLoop &loop);
-
-    void dumpLoopRanges(MachineLoop &loop);
-
-    void processHeader(LoopSplit &split);
-    void processLoopExits(LoopSplit &split);
-    void processLoopUses(LoopSplit &split);
-
-    bool splitOverLoop(LiveInterval &li, MachineLoop &loop);
-
-    void processInterval(LiveInterval &li);
-
-    void processIntervals();
-  };
-
-}
-
-#endif