From 8bcb85a7ac933dfb0e8b5289b7dd540fa35bc402 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Tue, 10 Mar 2015 14:48:01 +0000
Subject: [PATCH] Remove effectively dead code.

Switching back and forth between sections does nothing (other than producing
larger .s files).

llvm-svn: 231790
---
 lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 17 +----------------
 lib/CodeGen/AsmPrinter/DwarfDebug.h   |  1 -
 2 files changed, 1 insertion(+), 17 deletions(-)

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index a4e5b8d3aab..f696364cc73 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -249,11 +249,8 @@ DwarfDebug::~DwarfDebug() { }
 // Switch to the specified MCSection and emit an assembler
 // temporary label to it if SymbolStem is specified.
 static MCSymbol *emitSectionSym(AsmPrinter *Asm, const MCSection *Section,
-                                const char *SymbolStem = nullptr) {
+                                const char *SymbolStem) {
   Asm->OutStreamer.SwitchSection(Section);
-  if (!SymbolStem)
-    return nullptr;
-
   MCSymbol *TmpSym = Asm->GetTempSymbol(SymbolStem);
   Asm->OutStreamer.EmitLabel(TmpSym);
   return TmpSym;
@@ -1320,21 +1317,9 @@ void DwarfDebug::emitSectionLabels() {
   if (useSplitDwarf())
     DwarfAbbrevDWOSectionSym = emitSectionSym(
         Asm, TLOF.getDwarfAbbrevDWOSection(), "section_abbrev_dwo");
-  if (GenerateARangeSection)
-    emitSectionSym(Asm, TLOF.getDwarfARangesSection());
 
   DwarfLineSectionSym =
       emitSectionSym(Asm, TLOF.getDwarfLineSection(), "section_line");
-  if (GenerateGnuPubSections) {
-    DwarfGnuPubNamesSectionSym =
-        emitSectionSym(Asm, TLOF.getDwarfGnuPubNamesSection());
-    DwarfGnuPubTypesSectionSym =
-        emitSectionSym(Asm, TLOF.getDwarfGnuPubTypesSection());
-  } else if (HasDwarfPubSections) {
-    emitSectionSym(Asm, TLOF.getDwarfPubNamesSection());
-    emitSectionSym(Asm, TLOF.getDwarfPubTypesSection());
-  }
-
   DwarfStrSectionSym =
       emitSectionSym(Asm, TLOF.getDwarfStrSection(), "info_string");
   if (useSplitDwarf()) {
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index a15f2005693..41e86c63987 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -252,7 +252,6 @@ class DwarfDebug : public AsmPrinterHandler {
   MCSymbol *DwarfInfoDWOSectionSym, *DwarfAbbrevDWOSectionSym;
   MCSymbol *DwarfTypesDWOSectionSym;
   MCSymbol *DwarfStrDWOSectionSym;
-  MCSymbol *DwarfGnuPubNamesSectionSym, *DwarfGnuPubTypesSectionSym;
 
   // As an optimization, there is no need to emit an entry in the directory
   // table for the same directory as DW_AT_comp_dir.