llvm-6502/lib/Target/NVPTX/NVPTXMCExpr.cpp
Jim Grosbach 586c0042da MC: Clean up MCExpr naming. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238634 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-30 01:25:56 +00:00

58 lines
1.7 KiB
C++

//===-- NVPTXMCExpr.cpp - NVPTX specific MC expression classes ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "NVPTXMCExpr.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
using namespace llvm;
#define DEBUG_TYPE "nvptx-mcexpr"
const NVPTXFloatMCExpr*
NVPTXFloatMCExpr::create(VariantKind Kind, APFloat Flt, MCContext &Ctx) {
return new (Ctx) NVPTXFloatMCExpr(Kind, Flt);
}
void NVPTXFloatMCExpr::printImpl(raw_ostream &OS) const {
bool Ignored;
unsigned NumHex;
APFloat APF = getAPFloat();
switch (Kind) {
default: llvm_unreachable("Invalid kind!");
case VK_NVPTX_SINGLE_PREC_FLOAT:
OS << "0f";
NumHex = 8;
APF.convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven, &Ignored);
break;
case VK_NVPTX_DOUBLE_PREC_FLOAT:
OS << "0d";
NumHex = 16;
APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, &Ignored);
break;
}
APInt API = APF.bitcastToAPInt();
std::string HexStr(utohexstr(API.getZExtValue()));
if (HexStr.length() < NumHex)
OS << std::string(NumHex - HexStr.length(), '0');
OS << utohexstr(API.getZExtValue());
}
const NVPTXGenericMCSymbolRefExpr*
NVPTXGenericMCSymbolRefExpr::create(const MCSymbolRefExpr *SymExpr,
MCContext &Ctx) {
return new (Ctx) NVPTXGenericMCSymbolRefExpr(SymExpr);
}
void NVPTXGenericMCSymbolRefExpr::printImpl(raw_ostream &OS) const {
OS << "generic(" << *SymExpr << ")";
}