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author | Ted Kremenek <kremenek@apple.com> | 2014-03-06 21:42:43 +0000 |
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committer | Ted Kremenek <kremenek@apple.com> | 2014-03-06 21:42:43 +0000 |
commit | bcc82ea9f8dcc06edc0205fd914057a6d70b713b (patch) | |
tree | 3c5d26b25f2127539e4f5ec62b62b6d8d7fcf67f | |
parent | 02b1ecbfd2d0060950bc75f5e3f2fa866cc6fa7f (diff) | |
download | clang-bcc82ea9f8dcc06edc0205fd914057a6d70b713b.tar.gz clang-bcc82ea9f8dcc06edc0205fd914057a6d70b713b.tar.bz2 clang-bcc82ea9f8dcc06edc0205fd914057a6d70b713b.tar.xz |
Remove dead code I introduced 6 years, 4 months ago in r43518.
Found by -Wunreachable-code.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@203167 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Basic/SourceManager.cpp | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp index bc42d3e92d..b78e9f596e 100644 --- a/lib/Basic/SourceManager.cpp +++ b/lib/Basic/SourceManager.cpp @@ -1378,31 +1378,6 @@ unsigned SourceManager::getLineNumber(FileID FID, unsigned FilePos, } } - // If the spread is large, do a "radix" test as our initial guess, based on - // the assumption that lines average to approximately the same length. - // NOTE: This is currently disabled, as it does not appear to be profitable in - // initial measurements. - if (0 && SourceLineCacheEnd-SourceLineCache > 20) { - unsigned FileLen = Content->SourceLineCache[Content->NumLines-1]; - - // Take a stab at guessing where it is. - unsigned ApproxPos = Content->NumLines*QueriedFilePos / FileLen; - - // Check for -10 and +10 lines. - unsigned LowerBound = std::max(int(ApproxPos-10), 0); - unsigned UpperBound = std::min(ApproxPos+10, FileLen); - - // If the computed lower bound is less than the query location, move it in. - if (SourceLineCache < SourceLineCacheStart+LowerBound && - SourceLineCacheStart[LowerBound] < QueriedFilePos) - SourceLineCache = SourceLineCacheStart+LowerBound; - - // If the computed upper bound is greater than the query location, move it. - if (SourceLineCacheEnd > SourceLineCacheStart+UpperBound && - SourceLineCacheStart[UpperBound] >= QueriedFilePos) - SourceLineCacheEnd = SourceLineCacheStart+UpperBound; - } - unsigned *Pos = std::lower_bound(SourceLineCache, SourceLineCacheEnd, QueriedFilePos); unsigned LineNo = Pos-SourceLineCacheStart; |