Moved the MachOWriter and ELFWriter out of the Target/* files. Placed the
definition of it into the CodeGen library. This is so that a backend doesn't
necessarily add in these writers if it doesn't use them (like in the lli
program).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34034 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index 565cdcf..0a4f1b5 100644
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -53,22 +53,21 @@
   }
   virtual const TargetData       *getTargetData() const { return &DataLayout; }
   virtual const X86ELFWriterInfo *getELFWriterInfo() const {
-    return &ELFWriterInfo;
+    return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
   }
 
   static unsigned getModuleMatchQuality(const Module &M);
   static unsigned getJITMatchQuality();
   
-  
   // Set up the pass pipeline.
   virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);  
   virtual bool addPostRegAlloc(FunctionPassManager &PM, bool Fast);
   virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, 
                                   std::ostream &Out);
-  virtual bool addObjectWriter(FunctionPassManager &PM, bool Fast,
-                               std::ostream &Out);
   virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast,
                               MachineCodeEmitter &MCE);
+  virtual bool addSimpleCodeEmitter(FunctionPassManager &PM, bool Fast,
+                                    MachineCodeEmitter &MCE);
 };
 
 /// X86_32TargetMachine - X86 32-bit target machine.