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 bool is64bit; 29 std::unique_ptr<TargetLoweringObjectFile> TLOF; 30 NVPTX::DrvInterface drvInterface; 31 NVPTXSubtarget Subtarget; 32 33 // Hold Strings that can be free'd all together with NVPTXTargetMachine 34 ManagedStringPool ManagedStrPool; 35 36 public: 37 NVPTXTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS, 38 const TargetOptions &Options, Reloc::Model RM, 39 CodeModel::Model CM, CodeGenOpt::Level OP, bool is64bit); 40 41 ~NVPTXTargetMachine() override; getSubtargetImpl(const Function &)42 const NVPTXSubtarget *getSubtargetImpl(const Function &) const override { 43 return &Subtarget; 44 } getSubtargetImpl()45 const NVPTXSubtarget *getSubtargetImpl() const { return &Subtarget; } is64Bit()46 bool is64Bit() const { return is64bit; } getDrvInterface()47 NVPTX::DrvInterface getDrvInterface() const { return drvInterface; } getManagedStrPool()48 ManagedStringPool *getManagedStrPool() const { 49 return const_cast<ManagedStringPool *>(&ManagedStrPool); 50 } 51 52 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 53 54 // Emission of machine code through MCJIT is not supported. 55 bool addPassesToEmitMC(PassManagerBase &, MCContext *&, raw_pwrite_stream &, 56 bool = true) override { 57 return true; 58 } getObjFileLowering()59 TargetLoweringObjectFile *getObjFileLowering() const override { 60 return TLOF.get(); 61 } 62 63 TargetIRAnalysis getTargetIRAnalysis() override; 64 65 }; // NVPTXTargetMachine. 66 67 class NVPTXTargetMachine32 : public NVPTXTargetMachine { 68 virtual void anchor(); 69 public: 70 NVPTXTargetMachine32(const Target &T, StringRef TT, StringRef CPU, 71 StringRef FS, const TargetOptions &Options, 72 Reloc::Model RM, CodeModel::Model CM, 73 CodeGenOpt::Level OL); 74 }; 75 76 class NVPTXTargetMachine64 : public NVPTXTargetMachine { 77 virtual void anchor(); 78 public: 79 NVPTXTargetMachine64(const Target &T, StringRef TT, StringRef CPU, 80 StringRef FS, const TargetOptions &Options, 81 Reloc::Model RM, CodeModel::Model CM, 82 CodeGenOpt::Level OL); 83 }; 84 85 } // end namespace llvm 86 87 #endif 88