1//===- SPIRVRegisterBankInfo.cpp ------------------------------*- C++ -*---===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file implements the targeting of the RegisterBankInfo class for SPIR-V. 10// 11//===----------------------------------------------------------------------===// 12 13#include "SPIRVRegisterBankInfo.h" 14#include "SPIRVRegisterInfo.h" 15#include "llvm/CodeGen/RegisterBank.h" 16 17#define GET_REGINFO_ENUM 18#include "SPIRVGenRegisterInfo.inc" 19 20#define GET_TARGET_REGBANK_IMPL 21#include "SPIRVGenRegisterBank.inc" 22 23using namespace llvm; 24 25// This required for .td selection patterns to work or we'd end up with RegClass 26// checks being redundant as all the classes would be mapped to the same bank. 27const RegisterBank & 28SPIRVRegisterBankInfo::getRegBankFromRegClass(const TargetRegisterClass &RC, 29 LLT Ty) const { 30 switch (RC.getID()) { 31 case SPIRV::TYPERegClassID: 32 return SPIRV::TYPERegBank; 33 case SPIRV::pIDRegClassID: 34 case SPIRV::IDRegClassID: 35 return SPIRV::IDRegBank; 36 case SPIRV::fIDRegClassID: 37 return SPIRV::fIDRegBank; 38 case SPIRV::vIDRegClassID: 39 return SPIRV::vIDRegBank; 40 case SPIRV::vfIDRegClassID: 41 return SPIRV::vfIDRegBank; 42 case SPIRV::ANYIDRegClassID: 43 case SPIRV::ANYRegClassID: 44 return SPIRV::IDRegBank; 45 } 46 llvm_unreachable("Unknown register class"); 47} 48