src/llvm/lib/Target/NVPTX/NVPTXTargetMachine.h

   1 //===-- NVPTXTargetMachine.h - Define TargetMachine for NVPTX ---*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file declares the NVPTX specific subclass of TargetMachine.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXTARGETMACHINE_H
  15 #define LLVM_LIB_TARGET_NVPTX_NVPTXTARGETMACHINE_H
  16
  17 #include "ManagedStringPool.h"
  18 #include "NVPTXSubtarget.h"
  19 #include "llvm/Target/TargetFrameLowering.h"
  20 #include "llvm/Target/TargetMachine.h"
  21 #include "llvm/Target/TargetSelectionDAGInfo.h"
  22
  23 namespace llvm {
  24
  25 /// NVPTXTargetMachine
  26 ///
  27 class NVPTXTargetMachine : public LLVMTargetMachine {
  28   std::unique_ptr<TargetLoweringObjectFile> TLOF;
  29   NVPTXSubtarget Subtarget;
  30
  31   // Hold Strings that can be free'd all together with NVPTXTargetMachine
  32   ManagedStringPool ManagedStrPool;
  33
  34 public:
  35   NVPTXTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
  36                      const TargetOptions &Options, Reloc::Model RM,
  37                      CodeModel::Model CM, CodeGenOpt::Level OP, bool is64bit);
  38
  39   ~NVPTXTargetMachine() override;
  40
  41   const NVPTXSubtarget *getSubtargetImpl() const override { return &Subtarget; }
  42
  43   ManagedStringPool *getManagedStrPool() const {
  44     return const_cast<ManagedStringPool *>(&ManagedStrPool);
  45   }
  46
  47   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
  48
  49   // Emission of machine code through MCJIT is not supported.
  50   bool addPassesToEmitMC(PassManagerBase &, MCContext *&, raw_ostream &,
  51                          bool = true) override {
  52     return true;
  53   }
  54   TargetLoweringObjectFile *getObjFileLowering() const override {
  55     return TLOF.get();
  56   }
  57
  58   /// \brief Register NVPTX analysis passes with a pass manager.
  59   void addAnalysisPasses(PassManagerBase &PM) override;
  60
  61 }; // NVPTXTargetMachine.
  62
  63 class NVPTXTargetMachine32 : public NVPTXTargetMachine {
  64   virtual void anchor();
  65 public:
  66   NVPTXTargetMachine32(const Target &T, StringRef TT, StringRef CPU,
  67                        StringRef FS, const TargetOptions &Options,
  68                        Reloc::Model RM, CodeModel::Model CM,
  69                        CodeGenOpt::Level OL);
  70 };
  71
  72 class NVPTXTargetMachine64 : public NVPTXTargetMachine {
  73   virtual void anchor();
  74 public:
  75   NVPTXTargetMachine64(const Target &T, StringRef TT, StringRef CPU,
  76                        StringRef FS, const TargetOptions &Options,
  77                        Reloc::Model RM, CodeModel::Model CM,
  78                        CodeGenOpt::Level OL);
  79 };
  80
  81 } // end namespace llvm
  82
  83 #endif