- Added MCSubtargetInfo to capture subtarget features and scheduling
  itineraries.
- Refactor TargetSubtarget to be based on MCSubtargetInfo.
- Change tablegen generated subtarget info to initialize MCSubtargetInfo
  and hide more details from targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134257 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp
index 5e2fdf0..18d4db0 100644
--- a/utils/TableGen/InstrInfoEmitter.cpp
+++ b/utils/TableGen/InstrInfoEmitter.cpp
@@ -223,7 +223,7 @@
   OS << "#undef GET_INSTRINFO_HEADER\n";
 
   std::string ClassName = TargetName + "GenInstrInfo";
-  OS << "namespace llvm {\n\n";
+  OS << "namespace llvm {\n";
   OS << "struct " << ClassName << " : public TargetInstrInfoImpl {\n"
      << "  explicit " << ClassName << "(int SO = -1, int DO = -1);\n"
      << "};\n";
@@ -234,7 +234,7 @@
   OS << "\n#ifdef GET_INSTRINFO_CTOR\n";
   OS << "#undef GET_INSTRINFO_CTOR\n";
 
-  OS << "namespace llvm {\n\n";
+  OS << "namespace llvm {\n";
   OS << ClassName << "::" << ClassName << "(int SO, int DO)\n"
      << "  : TargetInstrInfoImpl(SO, DO) {\n"
      << "  InitMCInstrInfo(" << TargetName << "Insts, "