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      1 //===--- Allocator.cpp - Simple memory allocation abstraction -------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file implements the BumpPtrAllocator interface.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include "llvm/Support/Allocator.h"
     15 #include "llvm/Support/Compiler.h"
     16 #include "llvm/Support/DataTypes.h"
     17 #include "llvm/Support/Memory.h"
     18 #include "llvm/Support/Recycler.h"
     19 #include "llvm/Support/raw_ostream.h"
     20 #include <cstring>
     21 
     22 namespace llvm {
     23 
     24 namespace detail {
     25 
     26 void printBumpPtrAllocatorStats(unsigned NumSlabs, size_t BytesAllocated,
     27                                 size_t TotalMemory) {
     28   errs() << "\nNumber of memory regions: " << NumSlabs << '\n'
     29          << "Bytes used: " << BytesAllocated << '\n'
     30          << "Bytes allocated: " << TotalMemory << '\n'
     31          << "Bytes wasted: " << (TotalMemory - BytesAllocated)
     32          << " (includes alignment, etc)\n";
     33 }
     34 
     35 } // End namespace detail.
     36 
     37 void PrintRecyclerStats(size_t Size,
     38                         size_t Align,
     39                         size_t FreeListSize) {
     40   errs() << "Recycler element size: " << Size << '\n'
     41          << "Recycler element alignment: " << Align << '\n'
     42          << "Number of elements free for recycling: " << FreeListSize << '\n';
     43 }
     44 
     45 }
     46