[PPC64] Fix PR19893 - improve code generation for local function addresses

[oota-llvm.git] / lib / Target / PowerPC / PPCSubtarget.h

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index a9159fbc73d79d61d51a76dd9e19bf00ad4c218e..2d8399e78110c42f550931139844705077f3143e 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -14,7 +14,13 @@
 #ifndef POWERPCSUBTARGET_H
 #define POWERPCSUBTARGET_H
 
+#include "PPCFrameLowering.h"
+#include "PPCInstrInfo.h"
+#include "PPCISelLowering.h"
+#include "PPCJITInfo.h"
+#include "PPCSelectionDAGInfo.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/IR/DataLayout.h"
 #include "llvm/MC/MCInstrItineraries.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include <string>
@@ -99,12 +105,22 @@ protected:
   /// TargetTriple - What processor and OS we're targeting.
   Triple TargetTriple;
 
+  /// OptLevel - What default optimization level we're emitting code for.
+  CodeGenOpt::Level OptLevel;
+
+  PPCFrameLowering FrameLowering;
+  const DataLayout DL;
+  PPCInstrInfo InstrInfo;
+  PPCJITInfo JITInfo;
+  PPCTargetLowering TLInfo;
+  PPCSelectionDAGInfo TSInfo;
+
 public:
   /// This constructor initializes the data members to match that
   /// of the specified triple.
   ///
   PPCSubtarget(const std::string &TT, const std::string &CPU,
-               const std::string &FS, bool is64Bit,
+               const std::string &FS, PPCTargetMachine &TM, bool is64Bit,
                CodeGenOpt::Level OptLevel);
 
   /// ParseSubtargetFeatures - Parses features string setting specified
@@ -124,12 +140,23 @@ public:
   ///
   unsigned getDarwinDirective() const { return DarwinDirective; }
 
-  /// getInstrItins - Return the instruction itineraies based on subtarget
+  /// getInstrItins - Return the instruction itineraries based on subtarget
   /// selection.
   const InstrItineraryData &getInstrItineraryData() const { return InstrItins; }
 
+  const PPCFrameLowering *getFrameLowering() const { return &FrameLowering; }
+  const DataLayout *getDataLayout() const { return &DL; }
+  const PPCInstrInfo *getInstrInfo() const { return &InstrInfo; }
+  PPCJITInfo *getJITInfo() { return &JITInfo; }
+  const PPCTargetLowering *getTargetLowering() const { return &TLInfo; }
+  const PPCSelectionDAGInfo *getSelectionDAGInfo() const { return &TSInfo; }
+
+  /// 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.
-  virtual void resetSubtargetFeatures(const MachineFunction *MF);
+  void resetSubtargetFeatures(const MachineFunction *MF) override;
 private:
   void initializeEnvironment();
   void resetSubtargetFeatures(StringRef CPU, StringRef FS);
@@ -178,6 +205,7 @@ public:
   bool hasFPCVT() const { return HasFPCVT; }
   bool hasAltivec() const { return HasAltivec; }
   bool hasQPX() const { return HasQPX; }
+  bool hasVSX() const { return HasVSX; }
   bool hasMFOCRF() const { return HasMFOCRF; }
   bool hasISEL() const { return HasISEL; }
   bool hasPOPCNTD() const { return HasPOPCNTD; }
@@ -190,8 +218,6 @@ public:
 
   /// isDarwin - True if this is any darwin platform.
   bool isDarwin() const { return TargetTriple.isMacOSX(); }
-  /// isBGP - True if this is a BG/P platform.
-  bool isBGP() const { return TargetTriple.getVendor() == Triple::BGP; }
   /// isBGQ - True if this is a BG/Q platform.
   bool isBGQ() const { return TargetTriple.getVendor() == Triple::BGQ; }
 
@@ -201,15 +227,17 @@ public:
   /// enablePostRAScheduler - True at 'More' optimization.
   bool enablePostRAScheduler(CodeGenOpt::Level OptLevel,
                              TargetSubtargetInfo::AntiDepBreakMode& Mode,
-                             RegClassVector& CriticalPathRCs) const;
+                             RegClassVector& CriticalPathRCs) const override;
+
+  bool enableEarlyIfConversion() const override { return hasISEL(); }
 
   // Scheduling customization.
-  bool enableMachineScheduler() const;
+  bool enableMachineScheduler() const override;
   void overrideSchedPolicy(MachineSchedPolicy &Policy,
                            MachineInstr *begin,
                            MachineInstr *end,
-                           unsigned NumRegionInstrs) const;
-  bool useAA() const;
+                           unsigned NumRegionInstrs) const override;
+  bool useAA() const override;
 };
 } // End llvm namespace