1 files changed, 0 insertions, 130 deletions
diff --git a/llvm/lib/Target/Nios2/MCTargetDesc/Nios2AsmBackend.cpp b/llvm/lib/Target/Nios2/MCTargetDesc/Nios2AsmBackend.cpp
deleted file mode 100644
index 8ac08c6837d..00000000000
--- a/llvm/lib/Target/Nios2/MCTargetDesc/Nios2AsmBackend.cpp
+++ /dev/null
@@ -1,130 +0,0 @@
-//===-- Nios2AsmBackend.cpp - Nios2 Asm Backend  --------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the Nios2AsmBackend class.
-//
-//===----------------------------------------------------------------------===//
-//
-
-#include "MCTargetDesc/Nios2AsmBackend.h"
-#include "MCTargetDesc/Nios2FixupKinds.h"
-#include "MCTargetDesc/Nios2MCTargetDesc.h"
-#include "llvm/MC/MCAssembler.h"
-#include "llvm/MC/MCELFObjectWriter.h"
-#include "llvm/MC/MCFixupKindInfo.h"
-#include "llvm/MC/MCObjectWriter.h"
-#include "llvm/MC/MCSubtargetInfo.h"
-
-using namespace llvm;
-
-// Prepare value for the target space for it
-static unsigned adjustFixupValue(const MCFixup &Fixup, uint64_t Value) {
-
-  unsigned Kind = Fixup.getKind();
-
-  // Add/subtract and shift
-  switch (Kind) {
-  default:
-    return 0;
-  case Nios2::fixup_Nios2_LO16:
-    break;
-  case Nios2::fixup_Nios2_HI16:
-    // Get the higher 16-bits. Also add 1 if bit 15 is 1.
-    Value = ((Value + 0x8000) >> 16) & 0xffff;
-    break;
-  }
-
-  return Value;
-}
-
-// Calculate index for Nios2 specific little endian byte order
-static unsigned calculateLEIndex(unsigned i) {
-  assert(i <= 3 && "Index out of range!");
-
-  return (1 - i / 2) * 2 + i % 2;
-}
-
-/// ApplyFixup - Apply the \p Value for given \p Fixup into the provided
-/// data fragment, at the offset specified by the fixup and following the
-/// fixup kind as appropriate.
-void Nios2AsmBackend::applyFixup(const MCAssembler &Asm, const MCFixup &Fixup,
-                                 const MCValue &Target,
-                                 MutableArrayRef<char> Data, uint64_t Value,
-                                 bool IsResolved) const {
-  MCFixupKind Kind = Fixup.getKind();
-  Value = adjustFixupValue(Fixup, Value);
-
-  if (!Value)
-    return; // Doesn't change encoding.
-
-  // Where do we start in the object
-  unsigned Offset = Fixup.getOffset();
-  // Number of bytes we need to fixup
-  unsigned NumBytes = (getFixupKindInfo(Kind).TargetSize + 7) / 8;
-  // Grab current value, if any, from bits.
-  uint64_t CurVal = 0;
-
-  for (unsigned i = 0; i != NumBytes; ++i) {
-    unsigned Idx = calculateLEIndex(i);
-    CurVal |= (uint64_t)((uint8_t)Data[Offset + Idx]) << (i * 8);
-  }
-
-  uint64_t Mask = ((uint64_t)(-1) >> (64 - getFixupKindInfo(Kind).TargetSize));
-  CurVal |= Value & Mask;
-
-  // Write out the fixed up bytes back to the code/data bits.
-  for (unsigned i = 0; i != NumBytes; ++i) {
-    unsigned Idx = calculateLEIndex(i);
-    Data[Offset + Idx] = (uint8_t)((CurVal >> (i * 8)) & 0xff);
-  }
-}
-
-Optional<MCFixupKind> Nios2AsmBackend::getFixupKind(StringRef Name) const {
-  return StringSwitch<Optional<MCFixupKind>>(Name)
-      .Case("R_NIOS2_NONE", (MCFixupKind)Nios2::fixup_Nios2_32)
-      .Case("R_NIOS2_32", FK_Data_4)
-      .Default(MCAsmBackend::getFixupKind(Name));
-}
-
-//@getFixupKindInfo {
-const MCFixupKindInfo &
-Nios2AsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
-  const static MCFixupKindInfo Infos[Nios2::NumTargetFixupKinds] = {
-      // This table *must* be in same the order of fixup_* kinds in
-      // Nios2FixupKinds.h.
-      //
-      // name                        offset  bits  flags
-      {"fixup_Nios2_32", 0, 32, 0},
-      {"fixup_Nios2_HI16", 0, 16, 0},
-      {"fixup_Nios2_LO16", 0, 16, 0}};
-
-  if (Kind < FirstTargetFixupKind)
-    return MCAsmBackend::getFixupKindInfo(Kind);
-
-  assert(unsigned(Kind - FirstTargetFixupKind) < getNumFixupKinds() &&
-         "Invalid kind!");
-  return Infos[Kind - FirstTargetFixupKind];
-}
-
-std::unique_ptr<MCObjectTargetWriter>
-Nios2AsmBackend::createObjectTargetWriter() const {
-  return createNios2ELFObjectWriter(MCELFObjectTargetWriter::getOSABI(OSType));
-}
-
-bool Nios2AsmBackend::writeNopData(raw_ostream &OS, uint64_t Count) const {
-  return true;
-}
-
-// MCAsmBackend
-MCAsmBackend *llvm::createNios2AsmBackend(const Target &T,
-                                          const MCSubtargetInfo &STI,
-                                          const MCRegisterInfo &MRI,
-                                          const MCTargetOptions &Options) {
-  return new Nios2AsmBackend(T, STI.getTargetTriple().getOS());
-}