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