Subzero. Outputs liveness memory usage.

src/IceCfg.h

 //===- subzero/src/IceCfg.h - Control flow graph ----------------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 208 matching lines @@
 
   /// \name  Manage the CurrentNode field.
   /// CurrentNode is used for validating the Variable::DefNode field during
   /// dumping/emitting.
   /// @{
   void setCurrentNode(const CfgNode *Node) { CurrentNode = Node; }
   void resetCurrentNode() { setCurrentNode(nullptr); }
   const CfgNode *getCurrentNode() const { return CurrentNode; }
   /// @}
 
-  /// Get the total amount of memory held by the per-Cfg allocator.  This is
-  /// mostly meant for use inside a debugger.
-  static size_t getTotalMemoryMB();
+  /// Get the total amount of memory held by the per-Cfg allocator.
+  size_t getTotalMemoryMB() const;
+
+  /// Get the current memory usage due to liveness data structures.
+  size_t getLivenessMemoryMB() const;
 
   void emit();
   void emitIAS();
   static void emitTextHeader(GlobalString Name, GlobalContext *Ctx,
                              const Assembler *Asm);
   void dump(const char *Message = "");
 
   /// Allocate data of type T using the per-Cfg allocator.
   template <typename T> T *allocate() { return Allocator->Allocate<T>(); }
 
@@ skipping 100 matching lines @@
   using OwnerType = Cfg;
   static StringPool *getStrings(const OwnerType *PoolOwner) {
     return PoolOwner->getVarStrings();
   }
 };
 using VariableString = StringID<VariableStringPoolTraits>;
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICECFG_H