From 35a12a85a174f9e61dbe34048b6370a6aeb1a3d5 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Wed, 12 Nov 2014 01:27:22 +0000
Subject: [PATCH] Remove a bit of dead code.

Every "real" object file implements this an ptx doesn't use it.

llvm-svn: 221746
---
 llvm/include/llvm/Target/TargetLoweringObjectFile.h |  2 +-
 llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp         |  7 +++++++
 llvm/lib/Target/NVPTX/NVPTXTargetObjectFile.h       |  3 +++
 llvm/lib/Target/TargetLoweringObjectFile.cpp        | 19 -------------------
 4 files changed, 11 insertions(+), 20 deletions(-)

diff --git a/llvm/include/llvm/Target/TargetLoweringObjectFile.h b/llvm/include/llvm/Target/TargetLoweringObjectFile.h
index 7c32a5e..7fcb171 100644
--- a/llvm/include/llvm/Target/TargetLoweringObjectFile.h
+++ b/llvm/include/llvm/Target/TargetLoweringObjectFile.h
@@ -160,7 +160,7 @@ public:
 protected:
   virtual const MCSection *
   SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
-                         Mangler &Mang, const TargetMachine &TM) const;
+                         Mangler &Mang, const TargetMachine &TM) const = 0;
 };
 
 } // end namespace llvm
diff --git a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
index 866017e..26d0b4c 100644
--- a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
@@ -4496,3 +4496,10 @@ NVPTXTargetObjectFile::~NVPTXTargetObjectFile() {
   delete DwarfRangesSection;
   delete DwarfMacroInfoSection;
 }
+
+const MCSection *
+NVPTXTargetObjectFile::SelectSectionForGlobal(const GlobalValue *GV,
+                                              SectionKind Kind, Mangler &Mang,
+                                              const TargetMachine &TM) const {
+  return getDataSection();
+}
diff --git a/llvm/lib/Target/NVPTX/NVPTXTargetObjectFile.h b/llvm/lib/Target/NVPTX/NVPTXTargetObjectFile.h
index c9b091e..00ceca5 100644
--- a/llvm/lib/Target/NVPTX/NVPTXTargetObjectFile.h
+++ b/llvm/lib/Target/NVPTX/NVPTXTargetObjectFile.h
@@ -98,6 +98,9 @@ public:
     return DataSection;
   }
 
+  const MCSection *
+  SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
+                         const TargetMachine &TM) const override;
 };
 
 } // end namespace llvm
diff --git a/llvm/lib/Target/TargetLoweringObjectFile.cpp b/llvm/lib/Target/TargetLoweringObjectFile.cpp
index e63bc2b..01139fb 100644
--- a/llvm/lib/Target/TargetLoweringObjectFile.cpp
+++ b/llvm/lib/Target/TargetLoweringObjectFile.cpp
@@ -275,25 +275,6 @@ bool TargetLoweringObjectFile::isSectionAtomizableBySymbols(
   return false;
 }
 
-// Lame default implementation. Calculate the section name for global.
-const MCSection *
-TargetLoweringObjectFile::SelectSectionForGlobal(const GlobalValue *GV,
-                                                 SectionKind Kind,
-                                                 Mangler &Mang,
-                                                 const TargetMachine &TM) const{
-  assert(!Kind.isThreadLocal() && "Doesn't support TLS");
-
-  if (Kind.isText())
-    return getTextSection();
-
-  if (Kind.isBSS() && BSSSection != nullptr)
-    return BSSSection;
-
-  if (Kind.isReadOnly() && ReadOnlySection != nullptr)
-    return ReadOnlySection;
-
-  return getDataSection();
-}
 
 /// getSectionForConstant - Given a mergable constant with the
 /// specified size and relocation information, return a section that it
-- 
2.7.4