lib/Support/Allocator.cpp

   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 void printBumpPtrAllocatorStats(unsigned NumSlabs, size_t BytesAllocated,
  25                                 size_t TotalMemory) {
  26   errs() << "\nNumber of memory regions: " << NumSlabs << '\n'
  27          << "Bytes used: " << BytesAllocated << '\n'
  28          << "Bytes allocated: " << TotalMemory << '\n'
  29          << "Bytes wasted: " << (TotalMemory - BytesAllocated)
  30          << " (includes alignment, etc)\n";
  31 }
  32
  33 void PrintRecyclerStats(size_t Size,
  34                         size_t Align,
  35                         size_t FreeListSize) {
  36   errs() << "Recycler element size: " << Size << '\n'
  37          << "Recycler element alignment: " << Align << '\n'
  38          << "Number of elements free for recycling: " << FreeListSize << '\n';
  39 }
  40
  41 }