forked from OSchip/llvm-project
70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
//===--- SPIRVUtils.h ---- SPIR-V Utility Functions -------------*- 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 contains miscellaneous utility functions.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_SPIRV_SPIRVUTILS_H
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#define LLVM_LIB_TARGET_SPIRV_SPIRVUTILS_H
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#include "MCTargetDesc/SPIRVBaseInfo.h"
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#include "llvm/IR/IRBuilder.h"
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#include <string>
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namespace llvm {
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class MCInst;
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class MachineFunction;
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class MachineInstr;
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class MachineInstrBuilder;
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class MachineIRBuilder;
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class MachineRegisterInfo;
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class Register;
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class StringRef;
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class SPIRVInstrInfo;
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} // namespace llvm
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// Add the given string as a series of integer operand, inserting null
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// terminators and padding to make sure the operands all have 32-bit
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// little-endian words.
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void addStringImm(const llvm::StringRef &Str, llvm::MachineInstrBuilder &MIB);
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void addStringImm(const llvm::StringRef &Str, llvm::IRBuilder<> &B,
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std::vector<llvm::Value *> &Args);
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// Read the series of integer operands back as a null-terminated string using
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// the reverse of the logic in addStringImm.
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std::string getStringImm(const llvm::MachineInstr &MI, unsigned StartIndex);
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// Add the given numerical immediate to MIB.
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void addNumImm(const llvm::APInt &Imm, llvm::MachineInstrBuilder &MIB);
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// Add an OpName instruction for the given target register.
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void buildOpName(llvm::Register Target, const llvm::StringRef &Name,
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llvm::MachineIRBuilder &MIRBuilder);
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// Add an OpDecorate instruction for the given Reg.
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void buildOpDecorate(llvm::Register Reg, llvm::MachineIRBuilder &MIRBuilder,
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llvm::SPIRV::Decoration Dec,
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const std::vector<uint32_t> &DecArgs,
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llvm::StringRef StrImm = "");
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void buildOpDecorate(llvm::Register Reg, llvm::MachineInstr &I,
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const llvm::SPIRVInstrInfo &TII,
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llvm::SPIRV::Decoration Dec,
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const std::vector<uint32_t> &DecArgs,
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llvm::StringRef StrImm = "");
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// Convert a SPIR-V storage class to the corresponding LLVM IR address space.
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unsigned storageClassToAddressSpace(llvm::SPIRV::StorageClass SC);
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// Convert an LLVM IR address space to a SPIR-V storage class.
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llvm::SPIRV::StorageClass addressSpaceToStorageClass(unsigned AddrSpace);
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llvm::SPIRV::MemorySemantics
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getMemSemanticsForStorageClass(llvm::SPIRV::StorageClass SC);
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#endif // LLVM_LIB_TARGET_SPIRV_SPIRVUTILS_H
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