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//===-- R600Subtarget.cpp - R600 Subtarget 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
/// Implements the R600 specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
#include "R600Subtarget.h"
#include "AMDGPUSelectionDAGInfo.h"
#include "MCTargetDesc/R600MCTargetDesc.h"
using namespace llvm;
#define DEBUG_TYPE "r600-subtarget"
#define GET_SUBTARGETINFO_TARGET_DESC
#define GET_SUBTARGETINFO_CTOR
#include "R600GenSubtargetInfo.inc"
R600Subtarget::R600Subtarget(const Triple &TT, StringRef GPU, StringRef FS,
const TargetMachine &TM)
: R600GenSubtargetInfo(TT, GPU, /*TuneCPU*/ GPU, FS), AMDGPUSubtarget(TT),
InstrInfo(*this),
FrameLowering(TargetFrameLowering::StackGrowsUp, getStackAlignment(), 0),
TLInfo(TM, initializeSubtargetDependencies(TT, GPU, FS)),
InstrItins(getInstrItineraryForCPU(GPU)) {
LocalMemorySize = AddressableLocalMemorySize;
TSInfo = std::make_unique<AMDGPUSelectionDAGInfo>();
}
R600Subtarget::~R600Subtarget() = default;
const SelectionDAGTargetInfo *R600Subtarget::getSelectionDAGInfo() const {
return TSInfo.get();
}
R600Subtarget &R600Subtarget::initializeSubtargetDependencies(const Triple &TT,
StringRef GPU,
StringRef FS) {
SmallString<256> FullFS("+promote-alloca,");
FullFS += FS;
ParseSubtargetFeatures(GPU, /*TuneCPU*/ GPU, FullFS);
HasMulU24 = getGeneration() >= EVERGREEN;
HasMulI24 = hasCaymanISA();
return *this;
}
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