src/llvm/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 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 }