1 files changed, 24 insertions, 32 deletions
diff --git a/lib/Target/Mips/MipsTargetMachine.h b/lib/Target/Mips/MipsTargetMachine.h
index a0e7d43..1349f82 100644
--- a/lib/Target/Mips/MipsTargetMachine.h
+++ b/lib/Target/Mips/MipsTargetMachine.h
@@ -11,8 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef MIPSTARGETMACHINE_H
-#define MIPSTARGETMACHINE_H
+#ifndef LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H
+#define LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H
 
 #include "MipsSubtarget.h"
 #include "llvm/CodeGen/Passes.h"
@@ -25,48 +25,40 @@ class formatted_raw_ostream;
 class MipsRegisterInfo;
 
 class MipsTargetMachine : public LLVMTargetMachine {
-  MipsSubtarget       Subtarget;
+  bool isLittle;
+  std::unique_ptr<TargetLoweringObjectFile> TLOF;
+  MipsSubtarget *Subtarget;
+  MipsSubtarget DefaultSubtarget;
+  MipsSubtarget NoMips16Subtarget;
+  MipsSubtarget Mips16Subtarget;
+
+  mutable StringMap<std::unique_ptr<MipsSubtarget>> SubtargetMap;
 
 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);
-
-  virtual ~MipsTargetMachine() {}
+  ~MipsTargetMachine() override;
 
   void addAnalysisPasses(PassManagerBase &PM) override;
 
-  const MipsInstrInfo *getInstrInfo() const override {
-    return getSubtargetImpl()->getInstrInfo();
-  }
-  const TargetFrameLowering *getFrameLowering() const override {
-    return getSubtargetImpl()->getFrameLowering();
-  }
-  const MipsSubtarget *getSubtargetImpl() const override { return &Subtarget; }
-  const InstrItineraryData *getInstrItineraryData() const override {
-    return Subtarget.inMips16Mode()
-               ? nullptr
-               : &getSubtargetImpl()->getInstrItineraryData();
-  }
-  MipsJITInfo *getJITInfo() override {
-    return Subtarget.getJITInfo();
-  }
-  const MipsRegisterInfo *getRegisterInfo()  const override {
-    return getSubtargetImpl()->getRegisterInfo();
-  }
-  const MipsTargetLowering *getTargetLowering() const override {
-    return getSubtargetImpl()->getTargetLowering();
-  }
-  const DataLayout *getDataLayout() const override {
-    return getSubtargetImpl()->getDataLayout();
-  }
-  const MipsSelectionDAGInfo* getSelectionDAGInfo() const override {
-    return getSubtargetImpl()->getSelectionDAGInfo();
+  const MipsSubtarget *getSubtargetImpl() const override {
+    if (Subtarget)
+      return Subtarget;
+    return &DefaultSubtarget;
   }
 
+  const MipsSubtarget *getSubtargetImpl(const Function &F) const override;
+
+  /// \brief Reset the subtarget for the Mips target.
+  void resetSubtarget(MachineFunction *MF);
+
   // Pass Pipeline Configuration
   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
-  bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &JCE) override;
+
+  TargetLoweringObjectFile *getObjFileLowering() const override {
+    return TLOF.get();
+  }
 };
 
 /// MipsebTargetMachine - Mips32/64 big endian target machine.