llvm/lib/MCA/CustomBehaviour.cpp

   1 //===--------------------- CustomBehaviour.cpp ------------------*- 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 /// \file
   9 ///
  10 /// This file implements methods from the CustomBehaviour interface.
  11 ///
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "llvm/MCA/CustomBehaviour.h"
  15
  16 namespace llvm {
  17 namespace mca {
  18
  19 CustomBehaviour::~CustomBehaviour() = default;
  20
  21 unsigned CustomBehaviour::checkCustomHazard(ArrayRef<InstRef> IssuedInst,
  22                                             const InstRef &IR) {
  23   // 0 signifies that there are no hazards that need to be waited on
  24   return 0;
  25 }
  26
  27 std::vector<std::unique_ptr<View>>
  28 CustomBehaviour::getStartViews(llvm::MCInstPrinter &IP,
  29                                llvm::ArrayRef<llvm::MCInst> Insts) {
  30   return std::vector<std::unique_ptr<View>>();
  31 }
  32
  33 std::vector<std::unique_ptr<View>>
  34 CustomBehaviour::getPostInstrInfoViews(llvm::MCInstPrinter &IP,
  35                                        llvm::ArrayRef<llvm::MCInst> Insts) {
  36   return std::vector<std::unique_ptr<View>>();
  37 }
  38
  39 std::vector<std::unique_ptr<View>>
  40 CustomBehaviour::getEndViews(llvm::MCInstPrinter &IP,
  41                              llvm::ArrayRef<llvm::MCInst> Insts) {
  42   return std::vector<std::unique_ptr<View>>();
  43 }
  44
  45 UniqueInstrument InstrumentManager::createInstrument(llvm::StringRef Desc,
  46                                                      llvm::StringRef Data) {
  47   return std::make_unique<Instrument>(Desc, Data);
  48 }
  49
  50 SmallVector<UniqueInstrument>
  51 InstrumentManager::createInstruments(const MCInst &Inst) {
  52   return SmallVector<UniqueInstrument>();
  53 }
  54
  55 unsigned InstrumentManager::getSchedClassID(
  56     const MCInstrInfo &MCII, const MCInst &MCI,
  57     const llvm::SmallVector<Instrument *> &IVec) const {
  58   return MCII.get(MCI.getOpcode()).getSchedClass();
  59 }
  60
  61 } // namespace mca
  62 } // namespace llvm