1 // WebAssemblyTargetMachine.h - Define TargetMachine for WebAssembly -*- C++ -*- 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// \file 10 /// This file declares the WebAssembly-specific subclass of 11 /// TargetMachine. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETMACHINE_H 16 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETMACHINE_H 17 18 #include "WebAssemblySubtarget.h" 19 #include "llvm/Target/TargetMachine.h" 20 21 namespace llvm { 22 23 class WebAssemblyTargetMachine final : public LLVMTargetMachine { 24 std::unique_ptr<TargetLoweringObjectFile> TLOF; 25 mutable StringMap<std::unique_ptr<WebAssemblySubtarget>> SubtargetMap; 26 27 public: 28 WebAssemblyTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 29 StringRef FS, const TargetOptions &Options, 30 Optional<Reloc::Model> RM, 31 Optional<CodeModel::Model> CM, CodeGenOpt::Level OL, 32 bool JIT); 33 34 ~WebAssemblyTargetMachine() override; 35 36 const WebAssemblySubtarget *getSubtargetImpl() const; 37 const WebAssemblySubtarget *getSubtargetImpl(std::string CPU, 38 std::string FS) const; 39 const WebAssemblySubtarget * 40 getSubtargetImpl(const Function &F) const override; 41 42 // Pass Pipeline Configuration 43 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 44 45 TargetLoweringObjectFile *getObjFileLowering() const override { 46 return TLOF.get(); 47 } 48 49 TargetTransformInfo getTargetTransformInfo(const Function &F) override; 50 51 bool usesPhysRegsForValues() const override { return false; } 52 53 yaml::MachineFunctionInfo *createDefaultFuncInfoYAML() const override; 54 yaml::MachineFunctionInfo * 55 convertFuncInfoToYAML(const MachineFunction &MF) const override; 56 bool parseMachineFunctionInfo(const yaml::MachineFunctionInfo &, 57 PerFunctionMIParsingState &PFS, 58 SMDiagnostic &Error, 59 SMRange &SourceRange) const override; 60 }; 61 62 } // end namespace llvm 63 64 #endif 65