ARMLegalizerInfo.cpp revision 314564 
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