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