X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FMachineSSAUpdater.h;h=edf93d13bd1d411cf69d95501d87294b0c69c457;hb=412cd2f81374865dfa708bef6d5b896ca10dece0;hp=979ef0113ba8e5c2861e2d3634badee6dd80d11b;hpb=211678a0d761942578970fc78a72c56d69ed36db;p=oota-llvm.git

diff --git a/include/llvm/CodeGen/MachineSSAUpdater.h b/include/llvm/CodeGen/MachineSSAUpdater.h
index 979ef0113ba..edf93d13bd1 100644
--- a/include/llvm/CodeGen/MachineSSAUpdater.h
+++ b/include/llvm/CodeGen/MachineSSAUpdater.h
@@ -14,6 +14,8 @@
 #ifndef LLVM_CODEGEN_MACHINESSAUPDATER_H
 #define LLVM_CODEGEN_MACHINESSAUPDATER_H
 
+#include "llvm/Support/Compiler.h"
+
 namespace llvm {
   class MachineBasicBlock;
   class MachineFunction;
@@ -23,6 +25,7 @@ namespace llvm {
   class TargetInstrInfo;
   class TargetRegisterClass;
   template<typename T> class SmallVectorImpl;
+  template<typename T> class SSAUpdaterTraits;
   class BumpPtrAllocator;
 
 /// MachineSSAUpdater - This class updates SSA form for a set of virtual
@@ -30,9 +33,7 @@ namespace llvm {
 /// or another unstructured transformation wants to rewrite a set of uses of one
 /// vreg with uses of a set of vregs.
 class MachineSSAUpdater {
-public:
-  class BBInfo;
-  typedef SmallVectorImpl<BBInfo*> BlockListTy;
+  friend class SSAUpdaterTraits<MachineSSAUpdater>;
 
 private:
   /// AvailableVals - This keeps track of which value to use on a per-block
@@ -40,11 +41,6 @@ private:
   //typedef DenseMap<MachineBasicBlock*, unsigned > AvailableValsTy;
   void *AV;
 
-  /// BBMap - The GetValueAtEndOfBlock method maintains this mapping from
-  /// basic blocks to BBInfo structures.
-  /// typedef DenseMap<MachineBasicBlock*, BBInfo*> BBMapTy;
-  void *BM;
-
   /// VR - Current virtual register whose uses are being updated.
   unsigned VR;
 
@@ -111,17 +107,9 @@ public:
 private:
   void ReplaceRegWith(unsigned OldReg, unsigned NewReg);
   unsigned GetValueAtEndOfBlockInternal(MachineBasicBlock *BB);
-  void BuildBlockList(MachineBasicBlock *BB, BlockListTy *BlockList,
-                      BumpPtrAllocator *Allocator);
-  void FindDominators(BlockListTy *BlockList);
-  void FindPHIPlacement(BlockListTy *BlockList);
-  void FindAvailableVals(BlockListTy *BlockList);
-  void FindExistingPHI(MachineBasicBlock *BB, BlockListTy *BlockList);
-  bool CheckIfPHIMatches(MachineInstr *PHI);
-  void RecordMatchingPHI(MachineInstr *PHI);
-
-  void operator=(const MachineSSAUpdater&); // DO NOT IMPLEMENT
-  MachineSSAUpdater(const MachineSSAUpdater&);     // DO NOT IMPLEMENT
+
+  void operator=(const MachineSSAUpdater&) LLVM_DELETED_FUNCTION;
+  MachineSSAUpdater(const MachineSSAUpdater&) LLVM_DELETED_FUNCTION;
 };
 
 } // End llvm namespace