Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the...

[oota-llvm.git] / include / llvm / CodeGen / MachineSSAUpdater.h

diff --git a/include/llvm/CodeGen/MachineSSAUpdater.h b/include/llvm/CodeGen/MachineSSAUpdater.h
index ab663fe3bf557082fecaa5a42df6aa28e215604d..5f988ad86320f6691e022312e23ffb993f15c096 100644 (file)
--- a/include/llvm/CodeGen/MachineSSAUpdater.h
+++ b/include/llvm/CodeGen/MachineSSAUpdater.h
@@ -14,6 +14,9 @@
 #ifndef LLVM_CODEGEN_MACHINESSAUPDATER_H
 #define LLVM_CODEGEN_MACHINESSAUPDATER_H
 
+#include "llvm/Support/Allocator.h"
+#include "llvm/Support/Compiler.h"
+
 namespace llvm {
   class MachineBasicBlock;
   class MachineFunction;
@@ -23,23 +26,21 @@ namespace llvm {
   class TargetInstrInfo;
   class TargetRegisterClass;
   template<typename T> class SmallVectorImpl;
+  template<typename T> class SSAUpdaterTraits;
 
 /// MachineSSAUpdater - This class updates SSA form for a set of virtual
 /// registers defined in multiple blocks.  This is used when code duplication
 /// or another unstructured transformation wants to rewrite a set of uses of one
 /// vreg with uses of a set of vregs.
 class MachineSSAUpdater {
+  friend class SSAUpdaterTraits<MachineSSAUpdater>;
+
+private:
   /// AvailableVals - This keeps track of which value to use on a per-block
   /// basis.  When we insert PHI nodes, we keep track of them here.
   //typedef DenseMap<MachineBasicBlock*, unsigned > AvailableValsTy;
   void *AV;
 
-  /// IncomingPredInfo - We use this as scratch space when doing our recursive
-  /// walk.  This should only be used in GetValueInBlockInternal, normally it
-  /// should be empty.
-  //std::vector<std::pair<MachineBasicBlock*, unsigned > > IncomingPredInfo;
-  void *IPI;
-
   /// VR - Current virtual register whose uses are being updated.
   unsigned VR;
 
@@ -56,7 +57,7 @@ public:
   /// MachineSSAUpdater constructor.  If InsertedPHIs is specified, it will be
   /// filled in with all PHI Nodes created by rewriting.
   explicit MachineSSAUpdater(MachineFunction &MF,
-                             SmallVectorImpl<MachineInstr*> *InsertedPHIs = 0);
+                        SmallVectorImpl<MachineInstr*> *InsertedPHIs = nullptr);
   ~MachineSSAUpdater();
 
   /// Initialize - Reset this object to get ready for a new set of SSA
@@ -104,10 +105,10 @@ public:
   void RewriteUse(MachineOperand &U);
 
 private:
-  void ReplaceRegWith(unsigned OldReg, unsigned NewReg);
   unsigned GetValueAtEndOfBlockInternal(MachineBasicBlock *BB);
-  void operator=(const MachineSSAUpdater&); // DO NOT IMPLEMENT
-  MachineSSAUpdater(const MachineSSAUpdater&);     // DO NOT IMPLEMENT
+
+  void operator=(const MachineSSAUpdater&) = delete;
+  MachineSSAUpdater(const MachineSSAUpdater&) = delete;
 };
 
 } // End llvm namespace