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45805522db
Add the minimal support necessary to lower a function that returns the sum of two i32 values. Support argument/return lowering of i32 values through registers only. Add tablegen for regbankselect and instructionselect. Patch by Petar Avramovic. Differential Revision: https://reviews.llvm.org/D44304 llvm-svn: 329819
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
//===- MipsRegisterBankInfo.h -----------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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/// \file
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/// This file declares the targeting of the RegisterBankInfo class for Mips.
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/// \todo This should be generated by TableGen.
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_MIPS_MIPSREGISTERBANKINFO_H
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#define LLVM_LIB_TARGET_MIPS_MIPSREGISTERBANKINFO_H
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#include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h"
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#define GET_REGBANK_DECLARATIONS
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#include "MipsGenRegisterBank.inc"
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namespace llvm {
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class TargetRegisterInfo;
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class MipsGenRegisterBankInfo : public RegisterBankInfo {
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#define GET_TARGET_REGBANK_CLASS
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#include "MipsGenRegisterBank.inc"
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};
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/// This class provides the information for the target register banks.
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class MipsRegisterBankInfo final : public MipsGenRegisterBankInfo {
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public:
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MipsRegisterBankInfo(const TargetRegisterInfo &TRI);
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const RegisterBank &
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getRegBankFromRegClass(const TargetRegisterClass &RC) const override;
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const InstructionMapping &
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getInstrMapping(const MachineInstr &MI) const override;
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};
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} // end namespace llvm
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#endif
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