lib/VMCore/ValueTypes.cpp

//===-- ValueTypes.cpp - Implementation of MVT::ValueType methods ---------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements methods in the CodeGen/ValueTypes.h header.
//
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/Type.h"
using namespace llvm;

/// MVT::getValueTypeString - This function returns value type as a string,
/// e.g. "i32".
const char *MVT::getValueTypeString(MVT::ValueType VT) {
  switch (VT) {
  default: assert(0 && "Invalid ValueType!");
  case MVT::i1:    return "i1";
  case MVT::i8:    return "i8";
  case MVT::i16:   return "i16";
  case MVT::i32:   return "i32";
  case MVT::i64:   return "i64";
  case MVT::i128:  return "i128";
  case MVT::f32:   return "f32";
  case MVT::f64:   return "f64";
  case MVT::f80:   return "f80";
  case MVT::f128:  return "f128";
  case MVT::isVoid:return "isVoid";
  case MVT::Other: return "ch";
  case MVT::Flag:  return "flag";
  }
}

/// MVT::getTypeForValueType - This method returns an LLVM type corresponding
/// to the specified ValueType.  For integer types, this returns an unsigned
/// type.  Note that this will abort for types that cannot be represented.
const Type *MVT::getTypeForValueType(MVT::ValueType VT) {
  switch (VT) {
  default: assert(0 && "ValueType does not correspond to LLVM type!");
  case MVT::isVoid:return Type::VoidTy;
  case MVT::i1:    return Type::BoolTy;
  case MVT::i8:    return Type::UByteTy;
  case MVT::i16:   return Type::UShortTy;
  case MVT::i32:   return Type::UIntTy;
  case MVT::i64:   return Type::ULongTy;
  case MVT::f32:   return Type::FloatTy;
  case MVT::f64:   return Type::DoubleTy;
  }
}