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diff --git a/contrib/llvm/lib/CodeGen/PHIElimination.h b/contrib/llvm/lib/CodeGen/PHIElimination.h
deleted file mode 100644
index 45a9718..0000000
--- a/contrib/llvm/lib/CodeGen/PHIElimination.h
+++ /dev/null
@@ -1,115 +0,0 @@
-//===-- lib/CodeGen/PHIElimination.h ----------------------------*- 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_PHIELIMINATION_HPP
-#define LLVM_CODEGEN_PHIELIMINATION_HPP
-
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallSet.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-
-namespace llvm {
-  class LiveVariables;
-  class MachineRegisterInfo;
-  class MachineLoopInfo;
-  
-  /// Lower PHI instructions to copies.  
-  class PHIElimination : public MachineFunctionPass {
-    MachineRegisterInfo *MRI; // Machine register information
-
-  public:
-    static char ID; // Pass identification, replacement for typeid
-    PHIElimination() : MachineFunctionPass(ID) {}
-
-    virtual bool runOnMachineFunction(MachineFunction &Fn);
-    
-    virtual void getAnalysisUsage(AnalysisUsage &AU) const;
-
-  private:
-    /// EliminatePHINodes - Eliminate phi nodes by inserting copy instructions
-    /// in predecessor basic blocks.
-    ///
-    bool EliminatePHINodes(MachineFunction &MF, MachineBasicBlock &MBB);
-    void LowerAtomicPHINode(MachineBasicBlock &MBB,
-                            MachineBasicBlock::iterator AfterPHIsIt);
-
-    /// analyzePHINodes - Gather information about the PHI nodes in
-    /// here. In particular, we want to map the number of uses of a virtual
-    /// register which is used in a PHI node. We map that to the BB the
-    /// vreg is coming from. This is used later to determine when the vreg
-    /// is killed in the BB.
-    ///
-    void analyzePHINodes(const MachineFunction& Fn);
-
-    /// Split critical edges where necessary for good coalescer performance.
-    bool SplitPHIEdges(MachineFunction &MF, MachineBasicBlock &MBB,
-                       LiveVariables &LV, MachineLoopInfo *MLI);
-
-    /// SplitCriticalEdge - Split a critical edge from A to B by
-    /// inserting a new MBB. Update branches in A and PHI instructions
-    /// in B. Return the new block.
-    MachineBasicBlock *SplitCriticalEdge(MachineBasicBlock *A,
-                                         MachineBasicBlock *B);
-
-    /// FindCopyInsertPoint - Find a safe place in MBB to insert a copy from
-    /// SrcReg when following the CFG edge to SuccMBB. This needs to be after
-    /// any def of SrcReg, but before any subsequent point where control flow
-    /// might jump out of the basic block.
-    MachineBasicBlock::iterator FindCopyInsertPoint(MachineBasicBlock &MBB,
-                                                    MachineBasicBlock &SuccMBB,
-                                                    unsigned SrcReg);
-
-    // SkipPHIsAndLabels - Copies need to be inserted after phi nodes and
-    // also after any exception handling labels: in landing pads execution
-    // starts at the label, so any copies placed before it won't be executed!
-    // We also deal with DBG_VALUEs, which are a bit tricky:
-    //  PHI
-    //  DBG_VALUE
-    //  LABEL
-    // Here the DBG_VALUE needs to be skipped, and if it refers to a PHI it
-    // needs to be annulled or, better, moved to follow the label, as well.
-    //  PHI
-    //  DBG_VALUE
-    //  no label
-    // Here it is not a good idea to skip the DBG_VALUE.
-    // FIXME: For now we skip and annul all DBG_VALUEs, maximally simple and
-    // maximally stupid.
-    MachineBasicBlock::iterator SkipPHIsAndLabels(MachineBasicBlock &MBB,
-                                                MachineBasicBlock::iterator I) {
-      // Rather than assuming that EH labels come before other kinds of labels,
-      // just skip all labels.
-      while (I != MBB.end() && 
-             (I->isPHI() || I->isLabel() || I->isDebugValue())) {
-        if (I->isDebugValue() && I->getNumOperands()==3 && 
-            I->getOperand(0).isReg())
-          I->getOperand(0).setReg(0U);
-        ++I;
-      }
-      return I;
-    }
-
-    typedef std::pair<unsigned, unsigned> BBVRegPair;
-    typedef DenseMap<BBVRegPair, unsigned> VRegPHIUse;
-
-    VRegPHIUse VRegPHIUseCount;
-
-    // Defs of PHI sources which are implicit_def.
-    SmallPtrSet<MachineInstr*, 4> ImpDefs;
-
-    // Map reusable lowered PHI node -> incoming join register.
-    typedef DenseMap<MachineInstr*, unsigned,
-                     MachineInstrExpressionTrait> LoweredPHIMap;
-    LoweredPHIMap LoweredPHIs;
-  };
-
-}
-
-#endif /* LLVM_CODEGEN_PHIELIMINATION_HPP */