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//===-- M68kLegalizerInfo.cpp -----------------------------------*- C++ -*-===//
//
// 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 implements the targeting of the Machinelegalizer class for M68k.
//===----------------------------------------------------------------------===//
#include "M68kLegalizerInfo.h"
#include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
#include "llvm/CodeGen/TargetOpcodes.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Type.h"
using namespace llvm;
M68kLegalizerInfo::M68kLegalizerInfo(const M68kSubtarget &ST) {
using namespace TargetOpcode;
const LLT s8 = LLT::scalar(8);
const LLT s16 = LLT::scalar(16);
const LLT s32 = LLT::scalar(32);
const LLT p0 = LLT::pointer(0, 32);
getActionDefinitionsBuilder({G_ADD, G_SUB, G_MUL, G_UDIV, G_AND})
.legalFor({s8, s16, s32})
.clampScalar(0, s8, s32)
.widenScalarToNextPow2(0, 8);
getActionDefinitionsBuilder(G_CONSTANT)
.legalFor({s32, p0})
.clampScalar(0, s32, s32);
getActionDefinitionsBuilder({G_FRAME_INDEX, G_GLOBAL_VALUE}).legalFor({p0});
getActionDefinitionsBuilder({G_STORE, G_LOAD})
.legalForTypesWithMemDesc({{s32, p0, s32, 4},
{s32, p0, s16, 4},
{s32, p0, s8, 4},
{s16, p0, s16, 2},
{s8, p0, s8, 1},
{p0, p0, s32, 4}})
.clampScalar(0, s8, s32);
getActionDefinitionsBuilder(G_PTR_ADD).legalFor({{p0, s32}});
getLegacyLegalizerInfo().computeTables();
}
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