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// Lightweight bitcode linker to replace llvm::Linker.
//
// Copyright (c) 2014 Kalle Raiskila
// 2016-2022 Pekka Jääskeläinen
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#ifndef POCL_LINKER_H
#define POCL_LINKER_H
#include "llvm/IR/Module.h"
#ifdef __GNUC__
#pragma GCC visibility push(hidden)
#endif
/**
* Link in module lib to krn.
* This function searches for each undefined symbol
* in krn from lib, cloning as needed. For big modules,
* this is faster than calling llvm::Linker and then
* running DCE.
*
* log is used to report errors if we run into undefined symbols
*/
int link(llvm::Module *Program, const llvm::Module *Lib, std::string &Log,
const char **DevAuxFuncs, bool DeviceSidePrintf);
int copyKernelFromBitcode(const char* Name, llvm::Module *ParallelBC,
const llvm::Module *Program,
const char **DevAuxFuncs);
bool moveProgramScopeVarsOutOfProgramBc(llvm::LLVMContext *Context,
llvm::Module *ProgramBC,
llvm::Module *OutputBC,
unsigned DeviceLocalAS);
#ifdef __GNUC__
#pragma GCC visibility pop
#endif
#endif
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