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//===- AArch64MachineLegalizer.cpp -------------------------------*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/// \file
/// This file implements the targeting of the Machinelegalizer class for
/// AArch64.
/// \todo This should be generated by TableGen.
//===----------------------------------------------------------------------===//
#include "AArch64MachineLegalizer.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/Target/TargetOpcodes.h"
using namespace llvm;
#ifndef LLVM_BUILD_GLOBAL_ISEL
#error "You shouldn't build this"
#endif
AArch64MachineLegalizer::AArch64MachineLegalizer() {
using namespace TargetOpcode;
const LLT s8 = LLT::scalar(8);
const LLT s16 = LLT::scalar(16);
const LLT s32 = LLT::scalar(32);
const LLT s64 = LLT::scalar(64);
const LLT v2s32 = LLT::vector(2, 32);
const LLT v4s32 = LLT::vector(4, 32);
const LLT v2s64 = LLT::vector(2, 64);
for (auto BinOp : {G_ADD, G_SUB, G_MUL, G_AND, G_OR, G_XOR}) {
for (auto Ty : {s32, s64, v2s32, v4s32, v2s64})
setAction(BinOp, Ty, Legal);
for (auto Ty : {s8, s16})
setAction(BinOp, Ty, WidenScalar);
}
for (auto BinOp : {G_SHL, G_LSHR, G_ASHR})
for (auto Ty : {s32, s64})
setAction(BinOp, Ty, Legal);
for (auto MemOp : {G_LOAD, G_STORE})
for (auto Ty : {s32, s64})
setAction(MemOp, Ty, Legal);
setAction(G_BR, LLT::unsized(), Legal);
setAction(G_FRAME_INDEX, LLT::pointer(0), Legal);
computeTables();
}
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