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//===--- TargetExecutionUtils.cpp - Execution utils for target processes --===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/TargetProcess/TargetExecutionUtils.h"
#include <vector>
namespace llvm {
namespace orc {
int runAsMain(int (*Main)(int, char *[]), ArrayRef<std::string> Args,
Optional<StringRef> ProgramName) {
std::vector<std::unique_ptr<char[]>> ArgVStorage;
std::vector<char *> ArgV;
ArgVStorage.reserve(Args.size() + (ProgramName ? 1 : 0));
ArgV.reserve(Args.size() + 1 + (ProgramName ? 1 : 0));
if (ProgramName) {
ArgVStorage.push_back(std::make_unique<char[]>(ProgramName->size() + 1));
llvm::copy(*ProgramName, &ArgVStorage.back()[0]);
ArgVStorage.back()[ProgramName->size()] = '\0';
ArgV.push_back(ArgVStorage.back().get());
}
for (const auto &Arg : Args) {
ArgVStorage.push_back(std::make_unique<char[]>(Arg.size() + 1));
llvm::copy(Arg, &ArgVStorage.back()[0]);
ArgVStorage.back()[Arg.size()] = '\0';
ArgV.push_back(ArgVStorage.back().get());
}
ArgV.push_back(nullptr);
return Main(Args.size() + !!ProgramName, ArgV.data());
}
} // End namespace orc.
} // End namespace llvm.
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