[X86] Refactor the prologue emission to prepare for shrink-wrapping.

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

diff --git a/lib/Target/Mips/MipsTargetMachine.h b/lib/Target/Mips/MipsTargetMachine.h
index 6d53274c18a7462c1d4bdea24b6fff1c4afb3c32..5427d6a8304b9dc2da6d3d58d373a4b9dd8bfc8d 100644 (file)
--- a/lib/Target/Mips/MipsTargetMachine.h
+++ b/lib/Target/Mips/MipsTargetMachine.h
@@ -11,10 +11,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef MIPSTARGETMACHINE_H
-#define MIPSTARGETMACHINE_H
+#ifndef LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H
+#define LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H
 
+#include "MCTargetDesc/MipsABIInfo.h"
 #include "MipsSubtarget.h"
+#include "llvm/CodeGen/BasicTTIImpl.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/SelectionDAGISel.h"
 #include "llvm/Target/TargetFrameLowering.h"
@@ -25,37 +27,45 @@ class formatted_raw_ostream;
 class MipsRegisterInfo;
 
 class MipsTargetMachine : public LLVMTargetMachine {
+  bool isLittle;
+  std::unique_ptr<TargetLoweringObjectFile> TLOF;
+  // Selected ABI
+  MipsABIInfo ABI;
   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);
+  ~MipsTargetMachine() override;
 
-  virtual ~MipsTargetMachine() {}
-
-  void addAnalysisPasses(PassManagerBase &PM) override;
+  TargetIRAnalysis getTargetIRAnalysis() override;
 
-  const MipsSubtarget *getSubtargetImpl() const override {
-    if (Subtarget)
-      return Subtarget;
-    return &DefaultSubtarget;
-  }
-  MipsSubtarget *getSubtargetImpl() override {
+  const MipsSubtarget *getSubtargetImpl() const {
     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();
+  }
+
+  bool isLittleEndian() const { return isLittle; }
+  const MipsABIInfo &getABI() const { return ABI; }
 };
 
 /// MipsebTargetMachine - Mips32/64 big endian target machine.