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