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 /lib/Basic/SourceManager.cpp | |
| 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 'lib/Basic/SourceManager.cpp')
| -rw-r--r-- | lib/Basic/SourceManager.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp index 901d3a6e04..c5d275ab54 100644 --- a/lib/Basic/SourceManager.cpp +++ b/lib/Basic/SourceManager.cpp @@ -721,7 +721,7 @@ FileID SourceManager::getFileIDLocal(unsigned SLocOffset) const { // See if this is near the file point - worst case we start scanning from the // most newly created FileID. - std::vector<SrcMgr::SLocEntry>::const_iterator I; + const SrcMgr::SLocEntry *I; if (LastFileIDLookup.ID < 0 || LocalSLocEntryTable[LastFileIDLookup.ID].getOffset() < SLocOffset) { |