[FastISel][AArch64] Cleanup and simplify 'fastSelectInstruction'. NFC.

[oota-llvm.git] / lib / Target / Mips / MipsTargetMachine.h

diff --git a/lib/Target/Mips/MipsTargetMachine.h b/lib/Target/Mips/MipsTargetMachine.h
index a0e7d4355558ea86beea4e2429e2449c93feb448..58400cd1b48e7ee803251194d475d1d5b18a278b 100644 (file)
--- 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"
@@ -25,7 +25,10 @@ class formatted_raw_ostream;
 class MipsRegisterInfo;
 
 class MipsTargetMachine : public LLVMTargetMachine {
-  MipsSubtarget       Subtarget;
+  MipsSubtarget *Subtarget;
+  MipsSubtarget DefaultSubtarget;
+  MipsSubtarget NoMips16Subtarget;
+  MipsSubtarget Mips16Subtarget;
 
 public:
   MipsTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
@@ -36,37 +39,17 @@ public:
 
   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;
   }
 
+  /// \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;
 };
 
 /// MipsebTargetMachine - Mips32/64 big endian target machine.