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Commit 2a1df367 authored by Hal Finkel's avatar Hal Finkel
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BBVectorize: Don't vectorize vector-manipulation chains 

Don't choose a vectorization plan containing only shuffles and
vector inserts/extracts. Due to inperfections in the cost model,
these can lead to infinite recusion.

llvm-svn: 167811
parent 5ce1d018
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