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 20 using namespace llvm; 21 22 #ifndef LLVM_BUILD_GLOBAL_ISEL 23 #error "You shouldn't build this" 24 #endif 25 26 ARMLegalizerInfo::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