dim f9b5954255 Pull in r223171 from upstream llvm trunk (by Michael Zolotukhin): ... PR21302. Vectorize only bottom-tested loops. rdar://problem/18886083 This fixes a bug in the llvm vectorizer, which could sometimes cause vectorized loops to perform an additional iteration, leading to possible buffer overruns. Symptoms of this, which are usually segfaults, were first noticed when building gcc ports, here: https://lists.freebsd.org/pipermail/freebsd-ports/2014-September/095466.html https://lists.freebsd.org/pipermail/freebsd-toolchain/2014-September/001211.html Note: because this is applied on top of llvm/clang 3.5.0, this fix is slightly different from the one just checked into head in r275633.		2014-12-09 07:48:25 +00:00
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BBVectorize.cpp
LoopVectorize.cpp	Pull in r223171 from upstream llvm trunk (by Michael Zolotukhin):	2014-12-09 07:48:25 +00:00
SLPVectorizer.cpp
Vectorize.cpp