Revert "Add a funciton to get the segment name of a section."

This reverts commit r170095 since it appears to be breaking the bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170105 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-objdump/llvm-objdump.cpp b/tools/llvm-objdump/llvm-objdump.cpp
index 9edcae8..2838a2a 100644
--- a/tools/llvm-objdump/llvm-objdump.cpp
+++ b/tools/llvm-objdump/llvm-objdump.cpp
@@ -28,7 +28,6 @@
 #include "llvm/MC/MCSubtargetInfo.h"
 #include "llvm/Object/Archive.h"
 #include "llvm/Object/COFF.h"
-#include "llvm/Object/MachO.h"
 #include "llvm/Object/ObjectFile.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
@@ -73,9 +72,9 @@
 SymbolTable("t", cl::desc("Display the symbol table"));
 
 static cl::opt<bool>
-MachOOpt("macho", cl::desc("Use MachO specific object file parser"));
+MachO("macho", cl::desc("Use MachO specific object file parser"));
 static cl::alias
-MachOm("m", cl::desc("Alias for --macho"), cl::aliasopt(MachOOpt));
+MachOm("m", cl::desc("Alias for --macho"), cl::aliasopt(MachO));
 
 cl::opt<std::string>
 llvm::TripleName("triple", cl::desc("Target triple to disassemble for, "
@@ -568,13 +567,6 @@
       else if (Section == o->end_sections())
         outs() << "*UND*";
       else {
-        if (const MachOObjectFile *MachO = dyn_cast<const MachOObjectFile>(o)) {
-          StringRef SegmentName;
-          DataRefImpl DR = Section->getRawDataRefImpl();
-          if (error(MachO->getSectionFinalSegmentName(DR, SegmentName)))
-            SegmentName = "";
-          outs() << SegmentName << ",";
-        }
         StringRef SectionName;
         if (error(Section->getName(SectionName)))
           SectionName = "";
@@ -648,7 +640,7 @@
     return;
   }
 
-  if (MachOOpt && Disassemble) {
+  if (MachO && Disassemble) {
     DisassembleInputMachO(file);
     return;
   }