ARMLegalizerInfo.cpp revision 311116
1//===- ARMLegalizerInfo.cpp --------------------------------------*- C++ -*-==// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9/// \file 10/// This file implements the targeting of the Machinelegalizer class for ARM. 11/// \todo This should be generated by TableGen. 12//===----------------------------------------------------------------------===// 13 14#include "ARMLegalizerInfo.h" 15#include "llvm/CodeGen/ValueTypes.h" 16#include "llvm/IR/DerivedTypes.h" 17#include "llvm/IR/Type.h" 18#include "llvm/Target/TargetOpcodes.h" 19 20using namespace llvm; 21 22#ifndef LLVM_BUILD_GLOBAL_ISEL 23#error "You shouldn't build this" 24#endif 25 26ARMLegalizerInfo::ARMLegalizerInfo() { 27 using namespace TargetOpcode; 28 29 const LLT p0 = LLT::pointer(0, 32); 30 31 const LLT s8 = LLT::scalar(8); 32 const LLT s16 = LLT::scalar(16); 33 const LLT s32 = LLT::scalar(32); 34 35 setAction({G_FRAME_INDEX, p0}, Legal); 36 37 setAction({G_LOAD, s32}, Legal); 38 setAction({G_LOAD, 1, p0}, Legal); 39 40 for (auto Ty : {s8, s16, s32}) 41 setAction({G_ADD, Ty}, Legal); 42 43 computeTables(); 44} 45