xref: /freebsd/contrib/llvm-project/llvm/lib/Target/SPIRV/SPIRVRegisterBankInfo.cpp (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
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) const28 SPIRVRegisterBankInfo::getRegBankFromRegClass(const TargetRegisterClass &RC,
29                                               LLT Ty) const {
30   if (RC.getID() == SPIRV::TYPERegClassID)
31     return SPIRV::TYPERegBank;
32   return SPIRV::IDRegBank;
33 }
34