Goodbye TargetAsmInfo. This eliminate last bit of CodeGen and Target in llvm-mc.

There is still a bit more refactoring left to do in Targets. But we are now very
close to fixing all the layering issues in MC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135611 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 5 insertions, 140 deletions

diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index b772947..3f43474 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -1676,7 +1676,7 @@ bool CWriter::doInitialization(Module &M) {
 #endif
   TAsm = new CBEMCAsmInfo();
   MRI  = new MCRegisterInfo();
-  TCtx = new MCContext(*TAsm, *MRI, NULL, NULL);
+  TCtx = new MCContext(*TAsm, *MRI, NULL);
   Mang = new Mangler(*TCtx, *TD);
 
   // Keep track of which functions are static ctors/dtors so they can have
diff --git a/lib/Target/TargetAsmInfo.cpp b/lib/Target/TargetAsmInfo.cpp
deleted file mode 100644
index 94f56f6..0000000
--- a/lib/Target/TargetAsmInfo.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-//===-- llvm/Target/TargetAsmInfo.cpp - Target Assembly Info --------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetMachine.h"
-using namespace llvm;
-
-TargetAsmInfo::TargetAsmInfo(const TargetMachine &TM) {
-  TLOF = &TM.getTargetLowering()->getObjFileLowering();
-}
diff --git a/lib/Target/TargetLoweringObjectFile.cpp b/lib/Target/TargetLoweringObjectFile.cpp
index 2fb744f..56b7b69 100644
--- a/lib/Target/TargetLoweringObjectFile.cpp
+++ b/lib/Target/TargetLoweringObjectFile.cpp
@@ -41,7 +41,8 @@ using namespace llvm;
 void TargetLoweringObjectFile::Initialize(MCContext &ctx,
                                           const TargetMachine &TM) {
   Ctx = &ctx;
-  InitMCObjectFileInfo(TM.getTargetTriple(), TM.getRelocationModel(), *Ctx);
+  InitMCObjectFileInfo(TM.getTargetTriple(),
+                       TM.getRelocationModel(), TM.getCodeModel(), *Ctx);
 }
   
 TargetLoweringObjectFile::~TargetLoweringObjectFile() {
@@ -322,20 +323,3 @@ getExprForDwarfReference(const MCSymbol *Sym, unsigned Encoding,
   }
   }
 }
-
-unsigned TargetLoweringObjectFile::getPersonalityEncoding() const {
-  return dwarf::DW_EH_PE_absptr;
-}
-
-unsigned TargetLoweringObjectFile::getLSDAEncoding() const {
-  return dwarf::DW_EH_PE_absptr;
-}
-
-unsigned TargetLoweringObjectFile::getFDEEncoding(bool CFI) const {
-  return dwarf::DW_EH_PE_absptr;
-}
-
-unsigned TargetLoweringObjectFile::getTTypeEncoding() const {
-  return dwarf::DW_EH_PE_absptr;
-}
-
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 6bf33c2..6a3a9cd 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -197,11 +197,8 @@ static TargetLoweringObjectFile *createTLOF(X86TargetMachine &TM) {
     return new TargetLoweringObjectFileMachO();
   }
 
-  if (Subtarget->isTargetELF()) {
-    if (is64Bit)
-      return new X8664_ELFTargetObjectFile(TM);
-    return new X8632_ELFTargetObjectFile(TM);
-  }
+  if (Subtarget->isTargetELF())
+    return new TargetLoweringObjectFileELF();
   if (Subtarget->isTargetCOFF() && !Subtarget->isTargetEnvMacho())
     return new TargetLoweringObjectFileCOFF();
   llvm_unreachable("unknown subtarget type");
diff --git a/lib/Target/X86/X86TargetObjectFile.cpp b/lib/Target/X86/X86TargetObjectFile.cpp
index 1231798..991f322 100644
--- a/lib/Target/X86/X86TargetObjectFile.cpp
+++ b/lib/Target/X86/X86TargetObjectFile.cpp
@@ -43,79 +43,3 @@ getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
                         MachineModuleInfo *MMI) const {
   return Mang->getSymbol(GV);
 }
-
-unsigned X8632_ELFTargetObjectFile::getPersonalityEncoding() const {
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-  else
-    return DW_EH_PE_absptr;
-}
-
-unsigned X8632_ELFTargetObjectFile::getLSDAEncoding() const {
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-  else
-    return DW_EH_PE_absptr;
-}
-
-unsigned X8632_ELFTargetObjectFile::getFDEEncoding(bool FDE) const {
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-  else
-    return DW_EH_PE_absptr;
-}
-
-unsigned X8632_ELFTargetObjectFile::getTTypeEncoding() const {
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-  else
-    return DW_EH_PE_absptr;
-}
-
-unsigned X8664_ELFTargetObjectFile::getPersonalityEncoding() const {
-  CodeModel::Model Model = TM.getCodeModel();
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_indirect | DW_EH_PE_pcrel | (Model == CodeModel::Small ||
-                                                 Model == CodeModel::Medium ?
-                                            DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
-
-  if (Model == CodeModel::Small || Model == CodeModel::Medium)
-    return DW_EH_PE_udata4;
-
-  return DW_EH_PE_absptr;
-}
-
-unsigned X8664_ELFTargetObjectFile::getLSDAEncoding() const {
-  CodeModel::Model Model = TM.getCodeModel();
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_pcrel | (Model == CodeModel::Small ?
-                             DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
-
-  if (Model == CodeModel::Small)
-    return DW_EH_PE_udata4;
-
-  return DW_EH_PE_absptr;
-}
-
-unsigned X8664_ELFTargetObjectFile::getFDEEncoding(bool CFI) const {
-  if (CFI)
-    return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-
-  return DW_EH_PE_udata4;
-}
-
-unsigned X8664_ELFTargetObjectFile::getTTypeEncoding() const {
-  CodeModel::Model Model = TM.getCodeModel();
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_indirect | DW_EH_PE_pcrel | (Model == CodeModel::Small ||
-                                                 Model == CodeModel::Medium ?
-                                            DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
-
-  if (Model == CodeModel::Small)
-    return DW_EH_PE_udata4;
-
-  return DW_EH_PE_absptr;
-}
diff --git a/lib/Target/X86/X86TargetObjectFile.h b/lib/Target/X86/X86TargetObjectFile.h
index e21b5bf..d7adf27 100644
--- a/lib/Target/X86/X86TargetObjectFile.h
+++ b/lib/Target/X86/X86TargetObjectFile.h
@@ -33,28 +33,6 @@ namespace llvm {
                             MachineModuleInfo *MMI) const;
   };
 
-  class X8632_ELFTargetObjectFile : public TargetLoweringObjectFileELF {
-    const X86TargetMachine &TM;
-  public:
-    X8632_ELFTargetObjectFile(const X86TargetMachine &tm)
-      :TM(tm) { }
-    virtual unsigned getPersonalityEncoding() const;
-    virtual unsigned getLSDAEncoding() const;
-    virtual unsigned getFDEEncoding(bool CFI) const;
-    virtual unsigned getTTypeEncoding() const;
-  };
-
-  class X8664_ELFTargetObjectFile : public TargetLoweringObjectFileELF {
-    const X86TargetMachine &TM;
-  public:
-    X8664_ELFTargetObjectFile(const X86TargetMachine &tm)
-      :TM(tm) { }
-    virtual unsigned getPersonalityEncoding() const;
-    virtual unsigned getLSDAEncoding() const;
-    virtual unsigned getFDEEncoding(bool CFI) const;
-    virtual unsigned getTTypeEncoding() const;
-  };
-
 } // end namespace llvm
 
 #endif