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Reserve space for the eventual filling of the vector. This gives a small speedup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153949 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -551,17 +551,16 @@ getAllMetadataOtherThanDebugLocImpl(SmallVectorImpl<std::pair<unsigned,
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getContext().pImpl->MetadataStore.count(this) &&
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"Shouldn't have called this");
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const LLVMContextImpl::MDMapTy &Info =
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getContext().pImpl->MetadataStore.find(this)->second;
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getContext().pImpl->MetadataStore.find(this)->second;
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assert(!Info.empty() && "Shouldn't have called this");
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Result.reserve(Info.size());
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Result.append(Info.begin(), Info.end());
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// Sort the resulting array so it is stable.
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if (Result.size() > 1)
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array_pod_sort(Result.begin(), Result.end());
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}
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/// clearMetadataHashEntries - Clear all hashtable-based metadata from
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/// this instruction.
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void Instruction::clearMetadataHashEntries() {
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