1 // WebAssemblyTargetMachine.h - Define TargetMachine for WebAssembly -*- 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 /// \file 11 /// \brief This file declares the WebAssembly-specific subclass of 12 /// TargetMachine. 13 /// 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETMACHINE_H 17 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETMACHINE_H 18 19 #include "WebAssemblySubtarget.h" 20 #include "llvm/Target/TargetMachine.h" 21 22 namespace llvm { 23 24 class WebAssemblyTargetMachine final : public LLVMTargetMachine { 25 std::unique_ptr<TargetLoweringObjectFile> TLOF; 26 mutable StringMap<std::unique_ptr<WebAssemblySubtarget>> SubtargetMap; 27 28 public: 29 WebAssemblyTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 30 StringRef FS, const TargetOptions &Options, 31 Optional<Reloc::Model> RM, CodeModel::Model CM, 32 CodeGenOpt::Level OL); 33 34 ~WebAssemblyTargetMachine() override; 35 const WebAssemblySubtarget * 36 getSubtargetImpl(const Function &F) const override; 37 38 // Pass Pipeline Configuration 39 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 40 41 TargetLoweringObjectFile *getObjFileLowering() const override { 42 return TLOF.get(); 43 } 44 45 /// \brief Get the TargetIRAnalysis for this target. 46 TargetIRAnalysis getTargetIRAnalysis() override; 47 48 bool usesPhysRegsForPEI() const override { return false; } 49 }; 50 51 } // end namespace llvm 52 53 #endif 54
