- 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

lib/Target/SystemZ/SystemZSubtarget.cpp

@@ -13,16 +13,20 @@
 
 #include "SystemZSubtarget.h"
 #include "SystemZ.h"
-#include "SystemZGenSubtarget.inc"
 #include "llvm/GlobalValue.h"
 #include "llvm/Target/TargetMachine.h"
 
+#define GET_SUBTARGETINFO_CTOR
+#define GET_SUBTARGETINFO_MC_DESC
+#define GET_SUBTARGETINFO_TARGET_DESC
+#include "SystemZGenSubtarget.inc"
+
 using namespace llvm;
 
 SystemZSubtarget::SystemZSubtarget(const std::string &TT, 
                                    const std::string &CPU,
                                    const std::string &FS):
-  HasZ10Insts(false) {
+  SystemZGenSubtargetInfo(), HasZ10Insts(false) {
   std::string CPUName = CPU;
   if (CPUName.empty())
     CPUName = "z9";