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, 0 insertions, 213 deletions

diff --git a/lib/Target/X86/CMakeLists.txt b/lib/Target/X86/CMakeLists.txt
index b886d46501..f4d03a602c 100644
--- a/lib/Target/X86/CMakeLists.txt
+++ b/lib/Target/X86/CMakeLists.txt
@@ -17,7 +17,6 @@ set(sources
   X86AsmPrinter.cpp
   X86COFFMachineModuleInfo.cpp
   X86CodeEmitter.cpp
-  X86ELFWriterInfo.cpp
   X86FastISel.cpp
   X86FloatingPoint.cpp
   X86FrameLowering.cpp
diff --git a/lib/Target/X86/X86ELFWriterInfo.cpp b/lib/Target/X86/X86ELFWriterInfo.cpp
deleted file mode 100644
index 2e08ef811f..0000000000
--- a/lib/Target/X86/X86ELFWriterInfo.cpp
+++ /dev/null
@@ -1,147 +0,0 @@
-//===-- X86ELFWriterInfo.cpp - ELF Writer Info for the X86 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 X86 backend.
-//
-//===----------------------------------------------------------------------===//
-
-#include "X86ELFWriterInfo.h"
-#include "X86Relocations.h"
-#include "llvm/Function.h"
-#include "llvm/Support/ELF.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/DataLayout.h"
-#include "llvm/Target/TargetMachine.h"
-
-using namespace llvm;
-
-//===----------------------------------------------------------------------===//
-//  Implementation of the X86ELFWriterInfo class
-//===----------------------------------------------------------------------===//
-
-X86ELFWriterInfo::X86ELFWriterInfo(bool is64Bit_, bool isLittleEndian_)
-  : TargetELFWriterInfo(is64Bit_, isLittleEndian_) {
-    EMachine = is64Bit ? EM_X86_64 : EM_386;
-  }
-
-X86ELFWriterInfo::~X86ELFWriterInfo() {}
-
-unsigned X86ELFWriterInfo::getRelocationType(unsigned MachineRelTy) const {
-  if (is64Bit) {
-    switch(MachineRelTy) {
-    case X86::reloc_pcrel_word:
-      return ELF::R_X86_64_PC32;
-    case X86::reloc_absolute_word:
-      return ELF::R_X86_64_32;
-    case X86::reloc_absolute_word_sext:
-      return ELF::R_X86_64_32S;
-    case X86::reloc_absolute_dword:
-      return ELF::R_X86_64_64;
-    case X86::reloc_picrel_word:
-    default:
-      llvm_unreachable("unknown x86_64 machine relocation type");
-    }
-  } else {
-    switch(MachineRelTy) {
-    case X86::reloc_pcrel_word:
-      return ELF::R_386_PC32;
-    case X86::reloc_absolute_word:
-      return ELF::R_386_32;
-    case X86::reloc_absolute_word_sext:
-    case X86::reloc_absolute_dword:
-    case X86::reloc_picrel_word:
-    default:
-      llvm_unreachable("unknown x86 machine relocation type");
-    }
-  }
-}
-
-long int X86ELFWriterInfo::getDefaultAddendForRelTy(unsigned RelTy,
-                                                    long int Modifier) const {
-  if (is64Bit) {
-    switch(RelTy) {
-    case ELF::R_X86_64_PC32: return Modifier - 4;
-    case ELF::R_X86_64_32:
-    case ELF::R_X86_64_32S:
-    case ELF::R_X86_64_64:
-      return Modifier;
-    default:
-      llvm_unreachable("unknown x86_64 relocation type");
-    }
-  } else {
-    switch(RelTy) {
-    case ELF::R_386_PC32: return Modifier - 4;
-    case ELF::R_386_32: return Modifier;
-    default:
-      llvm_unreachable("unknown x86 relocation type");
-    }
-  }
-}
-
-unsigned X86ELFWriterInfo::getRelocationTySize(unsigned RelTy) const {
-  if (is64Bit) {
-    switch(RelTy) {
-    case ELF::R_X86_64_PC32:
-    case ELF::R_X86_64_32:
-    case ELF::R_X86_64_32S:
-        return 32;
-    case ELF::R_X86_64_64:
-        return 64;
-    default:
-      llvm_unreachable("unknown x86_64 relocation type");
-    }
-  } else {
-    switch(RelTy) {
-    case ELF::R_386_PC32:
-    case ELF::R_386_32:
-        return 32;
-    default:
-      llvm_unreachable("unknown x86 relocation type");
-    }
-  }
-}
-
-bool X86ELFWriterInfo::isPCRelativeRel(unsigned RelTy) const {
-  if (is64Bit) {
-    switch(RelTy) {
-    case ELF::R_X86_64_PC32:
-        return true;
-    case ELF::R_X86_64_32:
-    case ELF::R_X86_64_32S:
-    case ELF::R_X86_64_64:
-        return false;
-    default:
-      llvm_unreachable("unknown x86_64 relocation type");
-    }
-  } else {
-    switch(RelTy) {
-    case ELF::R_386_PC32:
-        return true;
-    case ELF::R_386_32:
-        return false;
-    default:
-      llvm_unreachable("unknown x86 relocation type");
-    }
-  }
-}
-
-unsigned X86ELFWriterInfo::getAbsoluteLabelMachineRelTy() const {
-  return is64Bit ?
-    X86::reloc_absolute_dword : X86::reloc_absolute_word;
-}
-
-long int X86ELFWriterInfo::computeRelocation(unsigned SymOffset,
-                                             unsigned RelOffset,
-                                             unsigned RelTy) const {
-
-  if (RelTy == ELF::R_X86_64_PC32 || RelTy == ELF::R_386_PC32)
-    return SymOffset - (RelOffset + 4);
-
-  llvm_unreachable("computeRelocation unknown for this relocation type");
-}
diff --git a/lib/Target/X86/X86ELFWriterInfo.h b/lib/Target/X86/X86ELFWriterInfo.h
deleted file mode 100644
index a45b5bb66a..0000000000
--- a/lib/Target/X86/X86ELFWriterInfo.h
+++ /dev/null
@@ -1,59 +0,0 @@
-//===-- X86ELFWriterInfo.h - ELF Writer Info for X86 ------------*- 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 X86 backend.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef X86_ELF_WRITER_INFO_H
-#define X86_ELF_WRITER_INFO_H
-
-#include "llvm/Target/TargetELFWriterInfo.h"
-
-namespace llvm {
-
-  class X86ELFWriterInfo : public TargetELFWriterInfo {
-
-  public:
-    X86ELFWriterInfo(bool is64Bit_, bool isLittleEndian_);
-    virtual ~X86ELFWriterInfo();
-
-    /// 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 // X86_ELF_WRITER_INFO_H
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 48f9bba1fc..158f9dc066 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -80,7 +80,6 @@ X86TargetMachine::X86TargetMachine(const Target &T, StringRef TT,
   : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
     Subtarget(TT, CPU, FS, Options.StackAlignmentOverride, is64Bit),
     FrameLowering(*this, Subtarget),
-    ELFWriterInfo(is64Bit, true),
     InstrItins(Subtarget.getInstrItineraryData()){
   // Determine the PICStyle based on the target selected.
   if (getRelocationModel() == Reloc::Static) {
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index 4bad695b4c..01296c331e 100644
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -15,7 +15,6 @@
 #define X86TARGETMACHINE_H
 
 #include "X86.h"
-#include "X86ELFWriterInfo.h"
 #include "X86InstrInfo.h"
 #include "X86ISelLowering.h"
 #include "X86FrameLowering.h"
@@ -34,7 +33,6 @@ class StringRef;
 class X86TargetMachine : public LLVMTargetMachine {
   X86Subtarget       Subtarget;
   X86FrameLowering   FrameLowering;
-  X86ELFWriterInfo   ELFWriterInfo;
   InstrItineraryData InstrItins;
 
 public:
@@ -63,9 +61,6 @@ public:
   virtual const X86RegisterInfo  *getRegisterInfo() const {
     return &getInstrInfo()->getRegisterInfo();
   }
-  virtual const X86ELFWriterInfo *getELFWriterInfo() const {
-    return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
-  }
   virtual const InstrItineraryData *getInstrItineraryData() const {
     return &InstrItins;
   }