diff options
| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-02-22 18:29:39 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-02-22 18:29:39 +0000 |
| commit | f512acee01617c9da8079ed88ded3bb9f2418349 (patch) | |
| tree | c30895769887135415c9f804566de2d96806b38b /include/clang/Basic/SourceManager.h | |
| parent | 4c8cba87e49ec2fd39c1ff3b903924e791734a8a (diff) | |
Replace some typically large vectors with SmallVector.
This may seem counter-intuitive but the POD-like optimization helps when the
vectors grow into multimegabyte buffers. SmallVector calls realloc which knows
how to twiddle virtual memory bits and avoids large copies.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175906 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/clang/Basic/SourceManager.h')
| -rw-r--r-- | include/clang/Basic/SourceManager.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/clang/Basic/SourceManager.h b/include/clang/Basic/SourceManager.h index b4a8591e39..d7c71a7632 100644 --- a/include/clang/Basic/SourceManager.h +++ b/include/clang/Basic/SourceManager.h @@ -588,13 +588,13 @@ class SourceManager : public RefCountedBase<SourceManager> { /// /// Positive FileIDs are indexes into this table. Entry 0 indicates an invalid /// expansion. - std::vector<SrcMgr::SLocEntry> LocalSLocEntryTable; + SmallVector<SrcMgr::SLocEntry, 0> LocalSLocEntryTable; /// \brief The table of SLocEntries that are loaded from other modules. /// /// Negative FileIDs are indexes into this table. To get from ID to an index, /// use (-ID - 2). - mutable std::vector<SrcMgr::SLocEntry> LoadedSLocEntryTable; + mutable SmallVector<SrcMgr::SLocEntry, 0> LoadedSLocEntryTable; /// \brief The starting offset of the next local SLocEntry. /// |