forked from OSchip/llvm-project
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
//===-- LoongArchSubtarget.cpp - LoongArch Subtarget Information -*- C++ -*--=//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the LoongArch specific subclass of TargetSubtargetInfo.
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//
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//===----------------------------------------------------------------------===//
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#include "LoongArchSubtarget.h"
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#include "LoongArchFrameLowering.h"
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using namespace llvm;
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#define DEBUG_TYPE "loongarch-subtarget"
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#define GET_SUBTARGETINFO_TARGET_DESC
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#define GET_SUBTARGETINFO_CTOR
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#include "LoongArchGenSubtargetInfo.inc"
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void LoongArchSubtarget::anchor() {}
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LoongArchSubtarget &LoongArchSubtarget::initializeSubtargetDependencies(
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const Triple &TT, StringRef CPU, StringRef TuneCPU, StringRef FS,
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StringRef ABIName) {
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bool Is64Bit = TT.isArch64Bit();
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if (CPU.empty())
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CPU = Is64Bit ? "generic-la64" : "generic-la32";
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if (TuneCPU.empty())
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TuneCPU = CPU;
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ParseSubtargetFeatures(CPU, TuneCPU, FS);
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if (Is64Bit) {
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GRLenVT = MVT::i64;
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GRLen = 64;
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}
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// TODO: ILP32{S,F} LP64{S,F}
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TargetABI = Is64Bit ? LoongArchABI::ABI_LP64D : LoongArchABI::ABI_ILP32D;
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return *this;
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}
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LoongArchSubtarget::LoongArchSubtarget(const Triple &TT, StringRef CPU,
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StringRef TuneCPU, StringRef FS,
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StringRef ABIName,
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const TargetMachine &TM)
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: LoongArchGenSubtargetInfo(TT, CPU, TuneCPU, FS),
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FrameLowering(
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initializeSubtargetDependencies(TT, CPU, TuneCPU, FS, ABIName)),
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InstrInfo(*this), RegInfo(getHwMode()), TLInfo(TM, *this) {}
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