Remove TargetELFWriterInfo.

All the credit goes to Jan Voung for noticing it was dead!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166902 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 1 insertions, 158 deletions

diff --git a/lib/Target/Mips/CMakeLists.txt b/lib/Target/Mips/CMakeLists.txt
index 3cc2821d47..ef56e752b2 100644
--- a/lib/Target/Mips/CMakeLists.txt
+++ b/lib/Target/Mips/CMakeLists.txt
@@ -22,7 +22,6 @@ add_llvm_target(MipsCodeGen
   MipsAsmPrinter.cpp
   MipsCodeEmitter.cpp
   MipsDelaySlotFiller.cpp
-  MipsELFWriterInfo.cpp
   MipsJITInfo.cpp
   MipsInstrInfo.cpp
   MipsISelDAGToDAG.cpp
diff --git a/lib/Target/Mips/MipsELFWriterInfo.cpp b/lib/Target/Mips/MipsELFWriterInfo.cpp
deleted file mode 100644
index 786e6554f0..0000000000
--- a/lib/Target/Mips/MipsELFWriterInfo.cpp
+++ /dev/null
@@ -1,92 +0,0 @@
-//===-- MipsELFWriterInfo.cpp - ELF Writer Info for the Mips 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 ELF writer information for the Mips backend.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MipsELFWriterInfo.h"
-#include "MipsRelocations.h"
-#include "llvm/Function.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/DataLayout.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Support/ELF.h"
-
-using namespace llvm;
-
-//===----------------------------------------------------------------------===//
-//  Implementation of the MipsELFWriterInfo class
-//===----------------------------------------------------------------------===//
-
-MipsELFWriterInfo::MipsELFWriterInfo(bool is64Bit_, bool isLittleEndian_)
-  : TargetELFWriterInfo(is64Bit_, isLittleEndian_) {
-  EMachine = EM_MIPS;
-}
-
-MipsELFWriterInfo::~MipsELFWriterInfo() {}
-
-unsigned MipsELFWriterInfo::getRelocationType(unsigned MachineRelTy) const {
-  switch(MachineRelTy) {
-  case Mips::reloc_mips_pc16:
-    return ELF::R_MIPS_GOT16;
-  case Mips::reloc_mips_hi:
-    return ELF::R_MIPS_HI16;
-  case Mips::reloc_mips_lo:
-    return ELF::R_MIPS_LO16;
-  case Mips::reloc_mips_26:
-    return ELF::R_MIPS_26;
-  default:
-    llvm_unreachable("unknown Mips machine relocation type");
-  }
-}
-
-long int MipsELFWriterInfo::getDefaultAddendForRelTy(unsigned RelTy,
-                                                     long int Modifier) const {
-  switch(RelTy) {
-  case ELF::R_MIPS_26: return Modifier;
-  default:
-    llvm_unreachable("unknown Mips relocation type");
-  }
-}
-
-unsigned MipsELFWriterInfo::getRelocationTySize(unsigned RelTy) const {
-  switch(RelTy) {
-  case ELF::R_MIPS_GOT16:
-  case ELF::R_MIPS_26:
-      return 32;
-  default:
-    llvm_unreachable("unknown Mips relocation type");
-  }
-}
-
-bool MipsELFWriterInfo::isPCRelativeRel(unsigned RelTy) const {
-  switch(RelTy) {
-  case ELF::R_MIPS_GOT16:
-      return true;
-  case ELF::R_MIPS_26:
-      return false;
-  default:
-    llvm_unreachable("unknown Mips relocation type");
-  }
-}
-
-unsigned MipsELFWriterInfo::getAbsoluteLabelMachineRelTy() const {
-  return Mips::reloc_mips_26;
-}
-
-long int MipsELFWriterInfo::computeRelocation(unsigned SymOffset,
-                                              unsigned RelOffset,
-                                              unsigned RelTy) const {
-
-  if (RelTy == ELF::R_MIPS_GOT16)
-    return SymOffset - (RelOffset + 4);
-
-  llvm_unreachable("computeRelocation unknown for this relocation type");
-}
diff --git a/lib/Target/Mips/MipsELFWriterInfo.h b/lib/Target/Mips/MipsELFWriterInfo.h
deleted file mode 100644
index 23f3f03b35..0000000000
--- a/lib/Target/Mips/MipsELFWriterInfo.h
+++ /dev/null
@@ -1,59 +0,0 @@
-//===-- MipsELFWriterInfo.h - ELF Writer Info for Mips ------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements ELF writer information for the Mips backend.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef MIPS_ELF_WRITER_INFO_H
-#define MIPS_ELF_WRITER_INFO_H
-
-#include "llvm/Target/TargetELFWriterInfo.h"
-
-namespace llvm {
-
-  class MipsELFWriterInfo : public TargetELFWriterInfo {
-
-  public:
-    MipsELFWriterInfo(bool is64Bit_, bool isLittleEndian_);
-    virtual ~MipsELFWriterInfo();
-
-    /// getRelocationType - Returns the target specific ELF Relocation type.
-    /// 'MachineRelTy' contains the object code independent relocation type
-    virtual unsigned getRelocationType(unsigned MachineRelTy) const;
-
-    /// hasRelocationAddend - True if the target uses an addend in the
-    /// ELF relocation entry.
-    virtual bool hasRelocationAddend() const { return is64Bit ? true : false; }
-
-    /// getDefaultAddendForRelTy - Gets the default addend value for a
-    /// relocation entry based on the target ELF relocation type.
-    virtual long int getDefaultAddendForRelTy(unsigned RelTy,
-                                              long int Modifier = 0) const;
-
-    /// getRelTySize - Returns the size of relocatable field in bits
-    virtual unsigned getRelocationTySize(unsigned RelTy) const;
-
-    /// isPCRelativeRel - True if the relocation type is pc relative
-    virtual bool isPCRelativeRel(unsigned RelTy) const;
-
-    /// getJumpTableRelocationTy - Returns the machine relocation type used
-    /// to reference a jumptable.
-    virtual unsigned getAbsoluteLabelMachineRelTy() const;
-
-    /// computeRelocation - Some relocatable fields could be relocated
-    /// directly, avoiding the relocation symbol emission, compute the
-    /// final relocation value for this symbol.
-    virtual long int computeRelocation(unsigned SymOffset, unsigned RelOffset,
-                                       unsigned RelTy) const;
-  };
-
-} // end llvm namespace
-
-#endif // MIPS_ELF_WRITER_INFO_H
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 7d73866562..983ee21941 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -53,7 +53,7 @@ MipsTargetMachine(const Target &T, StringRef TT,
     InstrInfo(MipsInstrInfo::create(*this)),
     FrameLowering(MipsFrameLowering::create(*this, Subtarget)),
     TLInfo(*this), TSInfo(*this), JITInfo(),
-    ELFWriterInfo(false, isLittle), STTI(&TLInfo), VTTI(&TLInfo) {
+    STTI(&TLInfo), VTTI(&TLInfo) {
 }
 
 void MipsebTargetMachine::anchor() { }
diff --git a/lib/Target/Mips/MipsTargetMachine.h b/lib/Target/Mips/MipsTargetMachine.h
index a62db327e5..b54f5cee6d 100644
--- a/lib/Target/Mips/MipsTargetMachine.h
+++ b/lib/Target/Mips/MipsTargetMachine.h
@@ -20,7 +20,6 @@
 #include "MipsJITInfo.h"
 #include "MipsSelectionDAGInfo.h"
 #include "MipsSubtarget.h"
-#include "MipsELFWriterInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/DataLayout.h"
 #include "llvm/Target/TargetFrameLowering.h"
@@ -38,7 +37,6 @@ class MipsTargetMachine : public LLVMTargetMachine {
   MipsTargetLowering  TLInfo;
   MipsSelectionDAGInfo TSInfo;
   MipsJITInfo JITInfo;
-  MipsELFWriterInfo   ELFWriterInfo;
   ScalarTargetTransformImpl STTI;
   VectorTargetTransformImpl VTTI;
 
@@ -74,9 +72,6 @@ public:
     return &TSInfo;
   }
 
-  virtual const MipsELFWriterInfo *getELFWriterInfo() const {
-    return &ELFWriterInfo;
-  }
   virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
     return &STTI;
   }