Move PPCFrameLowering into PPCSubtarget from PPCTargetMachine. Use

the initializeSubtargetDependencies code to obtain an initialized
subtarget and migrate a couple of subtarget using functions to the
.cpp file to avoid circular includes.

llvm-svn: 210822

1 files changed, 8 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.h b/llvm/lib/Target/PowerPC/PPCSubtarget.h
index ee43fd5f807..0e1d283f38b 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.h
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.h
@@ -14,6 +14,7 @@
 #ifndef POWERPCSUBTARGET_H
 #define POWERPCSUBTARGET_H
 
+#include "PPCFrameLowering.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/MC/MCInstrItineraries.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
@@ -102,6 +103,7 @@ protected:
   /// OptLevel - What default optimization level we're emitting code for.
   CodeGenOpt::Level OptLevel;
 
+  PPCFrameLowering    FrameLowering;
 public:
   /// This constructor initializes the data members to match that
   /// of the specified triple.
@@ -131,6 +133,12 @@ public:
   /// selection.
   const InstrItineraryData &getInstrItineraryData() const { return InstrItins; }
 
+  const PPCFrameLowering *getFrameLowering() const { return &FrameLowering; }
+
+  /// initializeSubtargetDependencies - Initializes using a CPU and feature string
+  /// so that we can use initializer lists for subtarget initialization.
+  PPCSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
+
   /// \brief Reset the features for the PowerPC target.
   void resetSubtargetFeatures(const MachineFunction *MF) override;
 private: