80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
|
//===-- LlvmState.h ---------------------------------------------*- C++ -*-===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
///
|
||
|
|
/// \file
|
||
|
|
/// A class to set up and access common LLVM objects.
|
||
|
|
///
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef LLVM_TOOLS_LLVM_EXEGESIS_LLVMSTATE_H
|
||
|
|
#define LLVM_TOOLS_LLVM_EXEGESIS_LLVMSTATE_H
|
||
|
|
|
||
|
|
#include "MCInstrDescView.h"
|
||
|
|
#include "RegisterAliasing.h"
|
||
|
|
#include "llvm/MC/MCAsmInfo.h"
|
||
|
|
#include "llvm/MC/MCInst.h"
|
||
|
|
#include "llvm/MC/MCInstrInfo.h"
|
||
|
|
#include "llvm/MC/MCRegisterInfo.h"
|
||
|
|
#include "llvm/MC/MCSubtargetInfo.h"
|
||
|
|
#include "llvm/Target/TargetMachine.h"
|
||
|
|
#include <memory>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
namespace exegesis {
|
||
|
|
|
||
|
|
class ExegesisTarget;
|
||
|
|
struct PfmCountersInfo;
|
||
|
|
|
||
|
|
// An object to initialize LLVM and prepare objects needed to run the
|
||
|
|
// measurements.
|
||
|
|
class LLVMState {
|
||
|
|
public:
|
||
|
|
// Uses the host triple. If CpuName is empty, uses the host CPU.
|
||
|
|
LLVMState(const std::string &CpuName);
|
||
|
|
|
||
|
|
LLVMState(const std::string &Triple,
|
||
|
|
const std::string &CpuName,
|
||
|
|
const std::string &Features = ""); // For tests.
|
||
|
|
|
||
|
|
const TargetMachine &getTargetMachine() const { return *TheTargetMachine; }
|
||
|
|
std::unique_ptr<LLVMTargetMachine> createTargetMachine() const;
|
||
|
|
|
||
|
|
const ExegesisTarget &getExegesisTarget() const { return *TheExegesisTarget; }
|
||
|
|
|
||
|
|
bool canAssemble(const MCInst &mc_inst) const;
|
||
|
|
|
||
|
|
// For convenience:
|
||
|
|
const MCInstrInfo &getInstrInfo() const {
|
||
|
|
return *TheTargetMachine->getMCInstrInfo();
|
||
|
|
}
|
||
|
|
const MCRegisterInfo &getRegInfo() const {
|
||
|
|
return *TheTargetMachine->getMCRegisterInfo();
|
||
|
|
}
|
||
|
|
const MCSubtargetInfo &getSubtargetInfo() const {
|
||
|
|
return *TheTargetMachine->getMCSubtargetInfo();
|
||
|
|
}
|
||
|
|
|
||
|
|
const RegisterAliasingTrackerCache &getRATC() const { return *RATC; }
|
||
|
|
const InstructionsCache &getIC() const { return *IC; }
|
||
|
|
|
||
|
|
const PfmCountersInfo &getPfmCounters() const { return *PfmCounters; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
const ExegesisTarget *TheExegesisTarget;
|
||
|
|
std::unique_ptr<const TargetMachine> TheTargetMachine;
|
||
|
|
std::unique_ptr<const RegisterAliasingTrackerCache> RATC;
|
||
|
|
std::unique_ptr<const InstructionsCache> IC;
|
||
|
|
const PfmCountersInfo *PfmCounters;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace exegesis
|
||
|
|
} // namespace llvm
|
||
|
|
|
||
|
|
#endif // LLVM_TOOLS_LLVM_EXEGESIS_LLVMSTATE_H
|