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38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
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//===- BPSectionOrderer.h -------------------------------------------------===//
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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 uses Balanced Partitioning to order sections to improve startup
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/// time and compressed size.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLD_ELF_BPSECTION_ORDERER_H
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#define LLD_ELF_BPSECTION_ORDERER_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/StringRef.h"
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namespace lld::elf {
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struct Ctx;
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class InputSectionBase;
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/// Run Balanced Partitioning to find the optimal function and data order to
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/// improve startup time and compressed size.
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///
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/// It is important that -ffunction-sections and -fdata-sections compiler flags
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/// are used to ensure functions and data are in their own sections and thus
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/// can be reordered.
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llvm::DenseMap<const InputSectionBase *, int>
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runBalancedPartitioning(Ctx &ctx, llvm::StringRef profilePath,
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bool forFunctionCompression, bool forDataCompression,
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bool compressionSortStartupFunctions, bool verbose);
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} // namespace lld::elf
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#endif
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