RDF: Dead code elimination

[oota-llvm.git] / lib / Target / Hexagon / HexagonTargetMachine.h

diff --git a/lib/Target/Hexagon/HexagonTargetMachine.h b/lib/Target/Hexagon/HexagonTargetMachine.h
index 712cf3d5eaeb63af7adc3e058fa14559c5f361b3..968814b3ea3212b53a9a5f2e80889e8c5ebae5f3 100644 (file)
--- a/lib/Target/Hexagon/HexagonTargetMachine.h
+++ b/lib/Target/Hexagon/HexagonTargetMachine.h
@@ -11,76 +11,40 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef HexagonTARGETMACHINE_H
-#define HexagonTARGETMACHINE_H
+#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
+#define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
 
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetData.h"
 #include "HexagonInstrInfo.h"
 #include "HexagonSubtarget.h"
-#include "HexagonISelLowering.h"
-#include "HexagonSelectionDAGInfo.h"
-#include "HexagonFrameLowering.h"
+#include "HexagonTargetObjectFile.h"
+#include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
 
 class Module;
 
 class HexagonTargetMachine : public LLVMTargetMachine {
-  const TargetData DataLayout;       // Calculates type size & alignment.
-  HexagonSubtarget Subtarget;
-  HexagonInstrInfo InstrInfo;
-  HexagonTargetLowering TLInfo;
-  HexagonSelectionDAGInfo TSInfo;
-  HexagonFrameLowering FrameLowering;
-  const InstrItineraryData* InstrItins;
+  std::unique_ptr<TargetLoweringObjectFile> TLOF;
+  mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap;
 
 public:
-  HexagonTargetMachine(const Target &T, StringRef TT,StringRef CPU,
-                       StringRef FS, TargetOptions Options, Reloc::Model RM,
-                       CodeModel::Model CM, CodeGenOpt::Level OL);
-
-  virtual const HexagonInstrInfo *getInstrInfo() const {
-    return &InstrInfo;
-  }
-  virtual const HexagonSubtarget *getSubtargetImpl() const {
-    return &Subtarget;
-  }
-  virtual const HexagonRegisterInfo *getRegisterInfo() const {
-    return &InstrInfo.getRegisterInfo();
-  }
-
-  virtual const InstrItineraryData* getInstrItineraryData() const {
-    return InstrItins;
-  }
+  HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
+                       StringRef FS, const TargetOptions &Options,
+                       Reloc::Model RM, CodeModel::Model CM,
+                       CodeGenOpt::Level OL);
+  ~HexagonTargetMachine() override;
+  const HexagonSubtarget *getSubtargetImpl(const Function &F) const override;
 
+  static unsigned getModuleMatchQuality(const Module &M);
 
-  virtual const HexagonTargetLowering* getTargetLowering() const {
-    return &TLInfo;
-  }
-
-  virtual const HexagonFrameLowering* getFrameLowering() const {
-    return &FrameLowering;
-  }
+  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
+  TargetIRAnalysis getTargetIRAnalysis() override;
 
-  virtual const HexagonSelectionDAGInfo* getSelectionDAGInfo() const {
-    return &TSInfo;
+  HexagonTargetObjectFile *getObjFileLowering() const override {
+    return static_cast<HexagonTargetObjectFile*>(TLOF.get());
   }
-
-  virtual const TargetData       *getTargetData() const { return &DataLayout; }
-  static unsigned getModuleMatchQuality(const Module &M);
-
-  // Pass Pipeline Configuration.
-  virtual bool addPassesForOptimizations(PassManagerBase &PM);
-  virtual bool addInstSelector(PassManagerBase &PM);
-  virtual bool addPreEmitPass(PassManagerBase &PM);
-  virtual bool addPreRegAlloc(llvm::PassManagerBase &PM);
-  virtual bool addPostRegAlloc(PassManagerBase &PM);
-  virtual bool addPreSched2(PassManagerBase &PM);
 };
 
-extern bool flag_aligned_memcpy;
-
 } // end namespace llvm
 
 #endif