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efadf1f9df
This reverts commit 649aba93a27170cb03a4b17c98a19b9237a880b8, now that the approach started there has been shown to be workable in the patch series culminating in https://reviews.llvm.org/D74192.
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
// WebAssemblyTargetMachine.h - Define TargetMachine for WebAssembly -*- C++ -*-
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file declares the WebAssembly-specific subclass of
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/// TargetMachine.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETMACHINE_H
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#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYTARGETMACHINE_H
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#include "WebAssemblySubtarget.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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class WebAssemblyTargetMachine final : public LLVMTargetMachine {
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std::unique_ptr<TargetLoweringObjectFile> TLOF;
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mutable StringMap<std::unique_ptr<WebAssemblySubtarget>> SubtargetMap;
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public:
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WebAssemblyTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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StringRef FS, const TargetOptions &Options,
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Optional<Reloc::Model> RM,
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Optional<CodeModel::Model> CM, CodeGenOpt::Level OL,
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bool JIT);
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~WebAssemblyTargetMachine() override;
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const WebAssemblySubtarget *getSubtargetImpl(std::string CPU,
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std::string FS) const;
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const WebAssemblySubtarget *
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getSubtargetImpl(const Function &F) const override;
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// Pass Pipeline Configuration
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TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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TargetLoweringObjectFile *getObjFileLowering() const override {
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return TLOF.get();
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}
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TargetTransformInfo getTargetTransformInfo(const Function &F) override;
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bool usesPhysRegsForValues() const override { return false; }
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yaml::MachineFunctionInfo *createDefaultFuncInfoYAML() const override;
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yaml::MachineFunctionInfo *
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convertFuncInfoToYAML(const MachineFunction &MF) const override;
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bool parseMachineFunctionInfo(const yaml::MachineFunctionInfo &,
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PerFunctionMIParsingState &PFS,
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SMDiagnostic &Error,
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SMRange &SourceRange) const override;
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};
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} // end namespace llvm
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#endif
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