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5f290c090a
Only using that change in StringRef already decreases the number of preoprocessed lines from 7837621 to 7776151 for LLVMSupport Perhaps more interestingly, it shows that many files were relying on the inclusion of StringRef.h to have the declaration from STLExtras.h. This patch tries hard to patch relevant part of llvm-project impacted by this hidden dependency removal. Potential impact: - "llvm/ADT/StringRef.h" no longer includes <memory>, "llvm/ADT/Optional.h" nor "llvm/ADT/STLExtras.h" Related Discourse thread: https://llvm.discourse.group/t/include-what-you-use-include-cleanup/5831
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
//===-- NonRelocatableStringpool.cpp --------------------------------------===//
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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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#include "llvm/CodeGen/NonRelocatableStringpool.h"
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#include "llvm/ADT/STLExtras.h"
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namespace llvm {
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DwarfStringPoolEntryRef NonRelocatableStringpool::getEntry(StringRef S) {
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if (S.empty() && !Strings.empty())
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return EmptyString;
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if (Translator)
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S = Translator(S);
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auto I = Strings.insert({S, DwarfStringPoolEntry()});
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auto &Entry = I.first->second;
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if (I.second || !Entry.isIndexed()) {
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Entry.Index = NumEntries++;
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Entry.Offset = CurrentEndOffset;
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Entry.Symbol = nullptr;
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CurrentEndOffset += S.size() + 1;
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}
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return DwarfStringPoolEntryRef(*I.first, true);
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}
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StringRef NonRelocatableStringpool::internString(StringRef S) {
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DwarfStringPoolEntry Entry{nullptr, 0, DwarfStringPoolEntry::NotIndexed};
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if (Translator)
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S = Translator(S);
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auto InsertResult = Strings.insert({S, Entry});
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return InsertResult.first->getKey();
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}
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std::vector<DwarfStringPoolEntryRef>
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NonRelocatableStringpool::getEntriesForEmission() const {
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std::vector<DwarfStringPoolEntryRef> Result;
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Result.reserve(Strings.size());
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for (const auto &E : Strings)
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if (E.getValue().isIndexed())
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Result.emplace_back(E, true);
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llvm::sort(Result, [](const DwarfStringPoolEntryRef A,
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const DwarfStringPoolEntryRef B) {
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return A.getIndex() < B.getIndex();
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});
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return Result;
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}
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} // namespace llvm
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