From 02548c08f85393fac483fa66565d07ef38da9b01 Mon Sep 17 00:00:00 2001 From: Ted Kremenek Date: Thu, 6 Mar 2014 21:42:43 +0000 Subject: Remove dead code I introduced 6 years, 4 months ago in r43518. Found by -Wunreachable-code. llvm-svn: 203167 --- clang/lib/Basic/SourceManager.cpp | 25 ------------------------- 1 file changed, 25 deletions(-) (limited to 'clang/lib/Basic/SourceManager.cpp') diff --git a/clang/lib/Basic/SourceManager.cpp b/clang/lib/Basic/SourceManager.cpp index bc42d3e..b78e9f59 100644 --- a/clang/lib/Basic/SourceManager.cpp +++ b/clang/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; -- cgit v1.1