forked from OSchip/llvm-project
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
//===-- LlvmState.h ---------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// A class to set up and access common LLVM objects.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_EXEGESIS_LLVMSTATE_H
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#define LLVM_TOOLS_LLVM_EXEGESIS_LLVMSTATE_H
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCInst.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/Target/TargetMachine.h"
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#include <memory>
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#include <string>
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namespace exegesis {
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class ExegesisTarget;
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// An object to initialize LLVM and prepare objects needed to run the
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// measurements.
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class LLVMState {
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public:
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LLVMState();
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LLVMState(const std::string &Triple,
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const std::string &CpuName); // For tests.
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const llvm::TargetMachine &getTargetMachine() const { return *TargetMachine; }
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std::unique_ptr<llvm::LLVMTargetMachine> createTargetMachine() const;
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const ExegesisTarget &getExegesisTarget() const { return *TheExegesisTarget; }
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bool canAssemble(const llvm::MCInst &mc_inst) const;
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// For convenience:
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const llvm::MCInstrInfo &getInstrInfo() const {
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return *TargetMachine->getMCInstrInfo();
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}
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const llvm::MCRegisterInfo &getRegInfo() const {
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return *TargetMachine->getMCRegisterInfo();
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}
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const llvm::MCSubtargetInfo &getSubtargetInfo() const {
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return *TargetMachine->getMCSubtargetInfo();
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}
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private:
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const ExegesisTarget *TheExegesisTarget;
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std::unique_ptr<const llvm::TargetMachine> TargetMachine;
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};
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} // namespace exegesis
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#endif // LLVM_TOOLS_LLVM_EXEGESIS_LLVMSTATE_H
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