Remove getDataLayout() from TargetSelectionDAGInfo (had no users)

Summary:
Remove empty subclass in the process.

This change is part of a series of commits dedicated to have a single
DataLayout during compilation by using always the one owned by the
module.

Reviewers: echristo

Subscribers: jholewinski, llvm-commits, rafael, yaron.keren, ted

Differential Revision: http://reviews.llvm.org/D11045

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 241780
diff --git a/llvm/lib/Target/PowerPC/CMakeLists.txt b/llvm/lib/Target/PowerPC/CMakeLists.txt
index fe168a5..c0c83cc 100644
--- a/llvm/lib/Target/PowerPC/CMakeLists.txt
+++ b/llvm/lib/Target/PowerPC/CMakeLists.txt
@@ -33,7 +33,6 @@
   PPCTargetObjectFile.cpp
   PPCTargetTransformInfo.cpp
   PPCTOCRegDeps.cpp
-  PPCSelectionDAGInfo.cpp
   PPCTLSDynamicCall.cpp
   PPCVSXCopy.cpp
   PPCVSXFMAMutate.cpp
diff --git a/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.cpp b/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.cpp
deleted file mode 100644
index dc16742..0000000
--- a/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.cpp
+++ /dev/null
@@ -1,22 +0,0 @@
-//===-- PPCSelectionDAGInfo.cpp - PowerPC SelectionDAG Info ---------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the PPCSelectionDAGInfo class.
-//
-//===----------------------------------------------------------------------===//
-
-#include "PPCTargetMachine.h"
-using namespace llvm;
-
-#define DEBUG_TYPE "powerpc-selectiondag-info"
-
-PPCSelectionDAGInfo::PPCSelectionDAGInfo(const DataLayout *DL)
-    : TargetSelectionDAGInfo(DL) {}
-
-PPCSelectionDAGInfo::~PPCSelectionDAGInfo() {}
diff --git a/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.h b/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.h
deleted file mode 100644
index 2c1378d..0000000
--- a/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.h
+++ /dev/null
@@ -1,31 +0,0 @@
-//===-- PPCSelectionDAGInfo.h - PowerPC SelectionDAG Info -------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the PowerPC subclass for TargetSelectionDAGInfo.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_TARGET_POWERPC_PPCSELECTIONDAGINFO_H
-#define LLVM_LIB_TARGET_POWERPC_PPCSELECTIONDAGINFO_H
-
-#include "llvm/Target/TargetSelectionDAGInfo.h"
-
-namespace llvm {
-
-class PPCTargetMachine;
-
-class PPCSelectionDAGInfo : public TargetSelectionDAGInfo {
-public:
-  explicit PPCSelectionDAGInfo(const DataLayout *DL);
-  ~PPCSelectionDAGInfo();
-};
-
-}
-
-#endif
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
index cf603fe..58dacca 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -53,7 +53,7 @@
       IsPPC64(TargetTriple.getArch() == Triple::ppc64 ||
               TargetTriple.getArch() == Triple::ppc64le),
       TM(TM), FrameLowering(initializeSubtargetDependencies(CPU, FS)),
-      InstrInfo(*this), TLInfo(TM, *this), TSInfo(TM.getDataLayout()) {}
+      InstrInfo(*this), TLInfo(TM, *this) {}
 
 void PPCSubtarget::initializeEnvironment() {
   StackAlignment = 16;
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.h b/llvm/lib/Target/PowerPC/PPCSubtarget.h
index e9cc3d4..0616c1f 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.h
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.h
@@ -17,10 +17,10 @@
 #include "PPCFrameLowering.h"
 #include "PPCISelLowering.h"
 #include "PPCInstrInfo.h"
-#include "PPCSelectionDAGInfo.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/MC/MCInstrItineraries.h"
+#include "llvm/Target/TargetSelectionDAGInfo.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include <string>
 
@@ -129,7 +129,7 @@
   PPCFrameLowering FrameLowering;
   PPCInstrInfo InstrInfo;
   PPCTargetLowering TLInfo;
-  PPCSelectionDAGInfo TSInfo;
+  TargetSelectionDAGInfo TSInfo;
 
 public:
   /// This constructor initializes the data members to match that
@@ -164,7 +164,7 @@
   const PPCTargetLowering *getTargetLowering() const override {
     return &TLInfo;
   }
-  const PPCSelectionDAGInfo *getSelectionDAGInfo() const override {
+  const TargetSelectionDAGInfo *getSelectionDAGInfo() const override {
     return &TSInfo;
   }
   const PPCRegisterInfo *getRegisterInfo() const override {