lib/Bitcode/Reader/DeserializeAPInt.cpp

   1 //===-- DeserializeAPInt.cpp - Deserialization for APInts ------*- C++ -*--===//
   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 deserialization of APInts.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "llvm/ADT/APInt.h"
  15 #include "llvm/Bitcode/Deserialize.h"
  16 #include <cassert>
  17
  18 using namespace llvm;
  19
  20 void APInt::Read(Deserializer& D) {
  21   BitWidth = D.ReadInt();
  22
  23   if (isSingleWord())
  24     VAL = D.ReadInt();
  25   else {
  26     uint32_t NumWords = D.ReadInt();
  27     assert (NumWords > 1);
  28     pVal = new uint64_t[NumWords];
  29     assert (pVal && "Allocation in deserialization of APInt failed.");
  30     for (unsigned i = 0; i < NumWords; ++i)
  31       pVal[i] = D.ReadInt();
  32   }
  33 }