55 lines · cpp
1//===-- R600Subtarget.cpp - R600 Subtarget 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-exception6//7//===----------------------------------------------------------------------===//8//9/// \file10/// Implements the R600 specific subclass of TargetSubtarget.11//12//===----------------------------------------------------------------------===//13 14#include "R600Subtarget.h"15#include "AMDGPUSelectionDAGInfo.h"16#include "MCTargetDesc/R600MCTargetDesc.h"17 18using namespace llvm;19 20#define DEBUG_TYPE "r600-subtarget"21 22#define GET_SUBTARGETINFO_TARGET_DESC23#define GET_SUBTARGETINFO_CTOR24#include "R600GenSubtargetInfo.inc"25 26R600Subtarget::R600Subtarget(const Triple &TT, StringRef GPU, StringRef FS,27 const TargetMachine &TM)28 : R600GenSubtargetInfo(TT, GPU, /*TuneCPU*/ GPU, FS), AMDGPUSubtarget(TT),29 InstrInfo(*this),30 FrameLowering(TargetFrameLowering::StackGrowsUp, getStackAlignment(), 0),31 TLInfo(TM, initializeSubtargetDependencies(TT, GPU, FS)),32 InstrItins(getInstrItineraryForCPU(GPU)) {33 LocalMemorySize = AddressableLocalMemorySize;34 TSInfo = std::make_unique<AMDGPUSelectionDAGInfo>();35}36 37R600Subtarget::~R600Subtarget() = default;38 39const SelectionDAGTargetInfo *R600Subtarget::getSelectionDAGInfo() const {40 return TSInfo.get();41}42 43R600Subtarget &R600Subtarget::initializeSubtargetDependencies(const Triple &TT,44 StringRef GPU,45 StringRef FS) {46 SmallString<256> FullFS("+promote-alloca,");47 FullFS += FS;48 ParseSubtargetFeatures(GPU, /*TuneCPU*/ GPU, FullFS);49 50 HasMulU24 = getGeneration() >= EVERGREEN;51 HasMulI24 = hasCaymanISA();52 53 return *this;54}55