Tim Northover 10a1e8b1fe Vectorizer: track non-fast FP instructions through phis when finding reductions. ...

When we traced through a phi node looking for floating-point reductions, we
forgot whether we'd ever seen an instruction without fast-math flags (that
would block vectorization). This propagates it through to the end.

llvm-svn: 271015

2016-05-27 16:40:27 +00:00

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