Improve use of CfgLocalAllocator and introduce containers that use it.

src/IceLiveness.h

 //===- subzero/src/IceLiveness.h - Liveness analysis ------------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 29 matching lines @@
     /// NumLocals is the number of Variables local to this block.
     SizeT NumLocals = 0;
     /// NumNonDeadPhis tracks the number of Phi instructions that
     /// Inst::liveness() identified as tentatively live. If NumNonDeadPhis
     /// changes from the last liveness pass, then liveness has not yet
     /// converged.
     SizeT NumNonDeadPhis = 0;
     // LiveToVarMap maps a liveness bitvector index to a Variable. This is
     // generally just for printing/dumping. The index should be less than
     // NumLocals + Liveness::NumGlobals.
-    std::vector<Variable *> LiveToVarMap;
+    CfgVector<Variable *> LiveToVarMap;
     // LiveIn and LiveOut track the in- and out-liveness of the global
     // variables. The size of each vector is LivenessNode::NumGlobals.
     LivenessBV LiveIn, LiveOut;
     // LiveBegin and LiveEnd track the instruction numbers of the start and end
     // of each variable's live range within this block. The index/key of each
     // element is less than NumLocals + Liveness::NumGlobals.
     LiveBeginEndMap LiveBegin, LiveEnd;
   };
 
 public:
@@ skipping 39 matching lines @@
                     VarList::const_iterator FirstVar, bool IsFullInit);
   /// Resize Nodes so that Nodes[Index] is valid.
   void resize(SizeT Index) {
     if (Index >= Nodes.size())
       Nodes.resize(Index + 1);
   }
   Cfg *Func;
   LivenessMode Mode;
   SizeT NumGlobals = 0;
   /// Size of Nodes is Cfg::Nodes.size().
-  std::vector<LivenessNode> Nodes;
+  CfgVector<LivenessNode> Nodes;
   /// VarToLiveMap maps a Variable's Variable::Number to its live index within
   /// its basic block.
-  std::vector<SizeT> VarToLiveMap;
+  CfgVector<SizeT> VarToLiveMap;
   /// LiveToVarMap is analogous to LivenessNode::LiveToVarMap, but for non-local
   /// variables.
-  std::vector<Variable *> LiveToVarMap;
+  CfgVector<Variable *> LiveToVarMap;
   /// RangeMask[Variable::Number] indicates whether we want to track that
   /// Variable's live range.
   llvm::BitVector RangeMask;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICELIVENESS_H