TargetSubtargetInfo.cpp

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//===- TargetSubtargetInfo.cpp - General Target Information ----------------==//
//
// 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 This file describes the general parts of a Subtarget.
//
//===----------------------------------------------------------------------===//
 
#include "llvm/CodeGen/TargetSubtargetInfo.h"
 
using namespace llvm;
 
TargetSubtargetInfo::TargetSubtargetInfo(
    const Triple &TT, StringRef CPU, StringRef TuneCPU, StringRef FS,
    ArrayRef<StringRef> PN, ArrayRef<SubtargetFeatureKV> PF,
    ArrayRef<SubtargetSubTypeKV> PD, const MCWriteProcResEntry *WPR,
    const MCWriteLatencyEntry *WL, const MCReadAdvanceEntry *RA,
    const InstrStage *IS, const unsigned *OC, const unsigned *FP)
    : MCSubtargetInfo(TT, CPU, TuneCPU, FS, PN, PF, PD, WPR, WL, RA, IS, OC,
                      FP) {}
 
TargetSubtargetInfo::~TargetSubtargetInfo() = default;
 
bool TargetSubtargetInfo::enableAtomicExpand() const {
  return true;
}
 
bool TargetSubtargetInfo::enableIndirectBrExpand() const {
  return false;
}
 
bool TargetSubtargetInfo::enableMachineScheduler() const {
  return false;
}
 
bool TargetSubtargetInfo::enableJoinGlobalCopies() const {
  return enableMachineScheduler();
}
 
bool TargetSubtargetInfo::enableRALocalReassignment(
    CodeGenOptLevel OptLevel) const {
  return true;
}
 
bool TargetSubtargetInfo::enablePostRAScheduler() const {
  return getSchedModel().PostRAScheduler;
}
 
bool TargetSubtargetInfo::enablePostRAMachineScheduler() const {
  return enableMachineScheduler() && enablePostRAScheduler();
}
 
bool TargetSubtargetInfo::useAA() const {
  return false;
}
 
void TargetSubtargetInfo::mirFileLoaded(MachineFunction &MF) const { }