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| author | Bill Wendling <isanbard@gmail.com> | 2012-04-03 10:50:09 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2012-04-03 10:50:09 +0000 |
| commit | f563fc35c89b7518baf2eb6580bd72041e39651b (patch) | |
| tree | 1392cd6933fefb04c4a028eddda88c38defb70b2 /lib/VMCore/Metadata.cpp | |
| parent | 43b32e0cff08a5bcc20797639acce07dbe2f3dff (diff) | |
| download | llvm-f563fc35c89b7518baf2eb6580bd72041e39651b.tar.gz llvm-f563fc35c89b7518baf2eb6580bd72041e39651b.tar.bz2 llvm-f563fc35c89b7518baf2eb6580bd72041e39651b.tar.xz | |
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
Diffstat (limited to 'lib/VMCore/Metadata.cpp')
| -rw-r--r-- | lib/VMCore/Metadata.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/VMCore/Metadata.cpp b/lib/VMCore/Metadata.cpp index e3a08d4949..46363eed52 100644 --- a/lib/VMCore/Metadata.cpp +++ b/lib/VMCore/Metadata.cpp @@ -551,17 +551,16 @@ getAllMetadataOtherThanDebugLocImpl(SmallVectorImpl<std::pair<unsigned, getContext().pImpl->MetadataStore.count(this) && "Shouldn't have called this"); const LLVMContextImpl::MDMapTy &Info = - getContext().pImpl->MetadataStore.find(this)->second; + getContext().pImpl->MetadataStore.find(this)->second; assert(!Info.empty() && "Shouldn't have called this"); - + Result.reserve(Info.size()); Result.append(Info.begin(), Info.end()); - + // Sort the resulting array so it is stable. if (Result.size() > 1) array_pod_sort(Result.begin(), Result.end()); } - /// clearMetadataHashEntries - Clear all hashtable-based metadata from /// this instruction. void Instruction::clearMetadataHashEntries() { |