X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsTargetMachine.h;h=e82efe2ecd2d421aa5f34792de50c3c88e0fc2c3;hb=875710a2fd6b3c4f814961582594bd5c1cdb493a;hp=1179a93db633bed745c4b6fc5d893e04ac041bfd;hpb=1d16fdecd63c1e36802d04531f69b40b9a8e7e18;p=oota-llvm.git

diff --git a/lib/Target/Mips/MipsTargetMachine.h b/lib/Target/Mips/MipsTargetMachine.h
index 1179a93db63..e82efe2ecd2 100644
--- a/lib/Target/Mips/MipsTargetMachine.h
+++ b/lib/Target/Mips/MipsTargetMachine.h
@@ -14,15 +14,9 @@
 #ifndef MIPSTARGETMACHINE_H
 #define MIPSTARGETMACHINE_H
 
-#include "MipsFrameLowering.h"
-#include "MipsISelLowering.h"
-#include "MipsInstrInfo.h"
-#include "MipsJITInfo.h"
-#include "MipsSelectionDAGInfo.h"
 #include "MipsSubtarget.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/SelectionDAGISel.h"
-#include "llvm/IR/DataLayout.h"
 #include "llvm/Target/TargetFrameLowering.h"
 #include "llvm/Target/TargetMachine.h"
 
@@ -31,70 +25,31 @@ class formatted_raw_ostream;
 class MipsRegisterInfo;
 
 class MipsTargetMachine : public LLVMTargetMachine {
-  MipsSubtarget       Subtarget;
-  const DataLayout    DL; // Calculates type size & alignment
-  std::unique_ptr<const MipsInstrInfo> InstrInfo;
-  std::unique_ptr<const MipsFrameLowering> FrameLowering;
-  std::unique_ptr<const MipsTargetLowering> TLInfo;
-  std::unique_ptr<const MipsInstrInfo> InstrInfo16;
-  std::unique_ptr<const MipsFrameLowering> FrameLowering16;
-  std::unique_ptr<const MipsTargetLowering> TLInfo16;
-  std::unique_ptr<const MipsInstrInfo> InstrInfoSE;
-  std::unique_ptr<const MipsFrameLowering> FrameLoweringSE;
-  std::unique_ptr<const MipsTargetLowering> TLInfoSE;
-  MipsSelectionDAGInfo TSInfo;
-  const InstrItineraryData &InstrItins;
-  MipsJITInfo JITInfo;
+  MipsSubtarget *Subtarget;
+  MipsSubtarget DefaultSubtarget;
+  MipsSubtarget NoMips16Subtarget;
+  MipsSubtarget Mips16Subtarget;
 
 public:
-  MipsTargetMachine(const Target &T, StringRef TT,
-                    StringRef CPU, StringRef FS, const TargetOptions &Options,
-                    Reloc::Model RM, CodeModel::Model CM,
-                    CodeGenOpt::Level OL,
-                    bool isLittle);
+  MipsTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
+                    const TargetOptions &Options, Reloc::Model RM,
+                    CodeModel::Model CM, CodeGenOpt::Level OL, bool isLittle);
 
   virtual ~MipsTargetMachine() {}
 
-  virtual void addAnalysisPasses(PassManagerBase &PM);
+  void addAnalysisPasses(PassManagerBase &PM) override;
 
-  virtual const MipsInstrInfo *getInstrInfo() const
-  { return InstrInfo.get(); }
-  virtual const TargetFrameLowering *getFrameLowering() const
-  { return FrameLowering.get(); }
-  virtual const MipsSubtarget *getSubtargetImpl() const
-  { return &Subtarget; }
-  virtual const DataLayout *getDataLayout()    const
-  { return &DL;}
-
-  virtual const InstrItineraryData *getInstrItineraryData() const {
-    return Subtarget.inMips16Mode() ? 0 : &InstrItins;
-  }
-
-  virtual MipsJITInfo *getJITInfo()
-  { return &JITInfo; }
-
-  virtual const MipsRegisterInfo *getRegisterInfo()  const {
-    return &InstrInfo->getRegisterInfo();
+  const MipsSubtarget *getSubtargetImpl() const override {
+    if (Subtarget)
+      return Subtarget;
+    return &DefaultSubtarget;
   }
 
-  virtual const MipsTargetLowering *getTargetLowering() const {
-    return TLInfo.get();
-  }
-
-  virtual const MipsSelectionDAGInfo* getSelectionDAGInfo() const {
-    return &TSInfo;
-  }
+  /// \brief Reset the subtarget for the Mips target.
+  void resetSubtarget(MachineFunction *MF);
 
   // Pass Pipeline Configuration
-  virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
-  virtual bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &JCE);
-
-  // Set helper classes
-  void setHelperClassesMips16();
-
-  void setHelperClassesMipsSE();
-
-
+  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
 };
 
 /// MipsebTargetMachine - Mips32/64 big endian target machine.