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 23 using 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. 27 const RegisterBank & getRegBankFromRegClass(const TargetRegisterClass & RC,LLT Ty) const28SPIRVRegisterBankInfo::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