b61ac4a88f
This patch is extracted from D96035, it adds support for the type deduplication mode. With this patch DWARFLinkerParallel handles --odr option. It also processes clang modules.
41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
//===- Utils.h --------------------------------------------------*- 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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#ifndef LLVM_LIB_DWARFLINKERPARALLEL_UTILS_H
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#define LLVM_LIB_DWARFLINKERPARALLEL_UTILS_H
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#include "llvm/Support/Error.h"
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namespace llvm {
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namespace dwarflinker_parallel {
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/// This function calls \p Iteration() until it returns false.
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/// If number of iterations exceeds \p MaxCounter then an Error is returned.
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/// This function should be used for loops which assumed to have number of
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/// iterations significantly smaller than \p MaxCounter to avoid infinite
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/// looping in error cases.
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inline Error finiteLoop(function_ref<Expected<bool>()> Iteration,
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size_t MaxCounter = 100000) {
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size_t iterationsCounter = 0;
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while (iterationsCounter++ < MaxCounter) {
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Expected<bool> IterationResultOrError = Iteration();
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if (!IterationResultOrError)
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return IterationResultOrError.takeError();
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if (!IterationResultOrError.get())
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return Error::success();
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}
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return createStringError(std::errc::invalid_argument, "Infinite recursion");
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}
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} // end of namespace dwarflinker_parallel
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} // end namespace llvm
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#endif // LLVM_LIB_DWARFLINKERPARALLEL_UTILS_H
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