ec2590362e
The patch contains target lowering for SPIRV. Also it implements TargetMachine and AsmPrinter. Differential Revision: https://reviews.llvm.org/D116463 Authors: Aleksandr Bezzubikov, Lewis Crawford, Ilia Diachkov, Michal Paszkowski, Andrey Tretyakov, Konrad Trifunovic Co-authored-by: Aleksandr Bezzubikov <zuban32s@gmail.com> Co-authored-by: Ilia Diachkov <iliya.diyachkov@intel.com> Co-authored-by: Michal Paszkowski <michal.paszkowski@outlook.com> Co-authored-by: Andrey Tretyakov <andrey1.tretyakov@intel.com> Co-authored-by: Konrad Trifunovic <konrad.trifunovic@intel.com>
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
//===-- SPIRVISelLowering.h - SPIR-V DAG Lowering Interface -----*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the interfaces that SPIR-V uses to lower LLVM code into a
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// selection DAG.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_SPIRV_SPIRVISELLOWERING_H
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#define LLVM_LIB_TARGET_SPIRV_SPIRVISELLOWERING_H
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#include "llvm/CodeGen/TargetLowering.h"
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namespace llvm {
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class SPIRVSubtarget;
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class SPIRVTargetLowering : public TargetLowering {
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public:
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explicit SPIRVTargetLowering(const TargetMachine &TM,
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const SPIRVSubtarget &STI)
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: TargetLowering(TM) {}
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// Stop IRTranslator breaking up FMA instrs to preserve types information.
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bool isFMAFasterThanFMulAndFAdd(const MachineFunction &MF,
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EVT) const override {
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return true;
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}
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// This is to prevent sexts of non-i64 vector indices which are generated
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// within general IRTranslator hence type generation for it is omitted.
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MVT getVectorIdxTy(const DataLayout &DL) const override {
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return MVT::getIntegerVT(32);
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}
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unsigned getNumRegistersForCallingConv(LLVMContext &Context,
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CallingConv::ID CC,
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EVT VT) const override;
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MVT getRegisterTypeForCallingConv(LLVMContext &Context, CallingConv::ID CC,
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EVT VT) const override;
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};
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} // namespace llvm
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#endif // LLVM_LIB_TARGET_SPIRV_SPIRVISELLOWERING_H
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