xref: /freebsd-src/contrib/llvm-project/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
1bdd1243dSDimitry Andric //===-- RISCVLegalizerInfo.cpp ----------------------------------*- C++ -*-===//
2bdd1243dSDimitry Andric //
3bdd1243dSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4bdd1243dSDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5bdd1243dSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6bdd1243dSDimitry Andric //
7bdd1243dSDimitry Andric //===----------------------------------------------------------------------===//
8bdd1243dSDimitry Andric /// \file
9*06c3fb27SDimitry Andric /// This file implements the targeting of the Machinelegalizer class for RISC-V.
10bdd1243dSDimitry Andric /// \todo This should be generated by TableGen.
11bdd1243dSDimitry Andric //===----------------------------------------------------------------------===//
12bdd1243dSDimitry Andric 
13bdd1243dSDimitry Andric #include "RISCVLegalizerInfo.h"
14*06c3fb27SDimitry Andric #include "RISCVSubtarget.h"
15bdd1243dSDimitry Andric #include "llvm/CodeGen/TargetOpcodes.h"
16bdd1243dSDimitry Andric #include "llvm/CodeGen/ValueTypes.h"
17bdd1243dSDimitry Andric #include "llvm/IR/DerivedTypes.h"
18bdd1243dSDimitry Andric #include "llvm/IR/Type.h"
19bdd1243dSDimitry Andric 
20bdd1243dSDimitry Andric using namespace llvm;
21bdd1243dSDimitry Andric 
22bdd1243dSDimitry Andric RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) {
23*06c3fb27SDimitry Andric   const unsigned XLen = ST.getXLen();
24*06c3fb27SDimitry Andric   const LLT XLenLLT = LLT::scalar(XLen);
25*06c3fb27SDimitry Andric 
26*06c3fb27SDimitry Andric   using namespace TargetOpcode;
27*06c3fb27SDimitry Andric 
28*06c3fb27SDimitry Andric   getActionDefinitionsBuilder({G_ADD, G_SUB, G_AND, G_OR, G_XOR})
29*06c3fb27SDimitry Andric       .legalFor({XLenLLT})
30*06c3fb27SDimitry Andric       .clampScalar(0, XLenLLT, XLenLLT);
31*06c3fb27SDimitry Andric 
32bdd1243dSDimitry Andric   getLegacyLegalizerInfo().computeTables();
33bdd1243dSDimitry Andric }
34