1//===- TargetSubtargetInfo.cpp - General Target Information ----------------==// 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// 9/// \file This file describes the general parts of a Subtarget. 10// 11//===----------------------------------------------------------------------===// 12 13#include "llvm/CodeGen/TargetSubtargetInfo.h" 14 15using namespace llvm; 16 17TargetSubtargetInfo::TargetSubtargetInfo( 18 const Triple &TT, StringRef CPU, StringRef TuneCPU, StringRef FS, 19 ArrayRef<SubtargetFeatureKV> PF, ArrayRef<SubtargetSubTypeKV> PD, 20 const MCWriteProcResEntry *WPR, const MCWriteLatencyEntry *WL, 21 const MCReadAdvanceEntry *RA, const InstrStage *IS, const unsigned *OC, 22 const unsigned *FP) 23 : MCSubtargetInfo(TT, CPU, TuneCPU, FS, PF, PD, WPR, WL, RA, IS, OC, FP) {} 24 25TargetSubtargetInfo::~TargetSubtargetInfo() = default; 26 27bool TargetSubtargetInfo::enableAtomicExpand() const { 28 return true; 29} 30 31bool TargetSubtargetInfo::enableIndirectBrExpand() const { 32 return false; 33} 34 35bool TargetSubtargetInfo::enableMachineScheduler() const { 36 return false; 37} 38 39bool TargetSubtargetInfo::enableJoinGlobalCopies() const { 40 return enableMachineScheduler(); 41} 42 43bool TargetSubtargetInfo::enableRALocalReassignment( 44 CodeGenOpt::Level OptLevel) const { 45 return true; 46} 47 48bool TargetSubtargetInfo::enableAdvancedRASplitCost() const { 49 return false; 50} 51 52bool TargetSubtargetInfo::enablePostRAScheduler() const { 53 return getSchedModel().PostRAScheduler; 54} 55 56bool TargetSubtargetInfo::enablePostRAMachineScheduler() const { 57 return enableMachineScheduler() && enablePostRAScheduler(); 58} 59 60bool TargetSubtargetInfo::useAA() const { 61 return false; 62} 63 64void TargetSubtargetInfo::mirFileLoaded(MachineFunction &MF) const { } 65