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authorArnold Schwaighofer <aschwaighofer@apple.com>2013-09-16 16:17:24 +0000
committerArnold Schwaighofer <aschwaighofer@apple.com>2013-09-16 16:17:24 +0000
commit53e622cef47bd48e73e0229009cdcf0ef105f8d4 (patch)
treeafa3bcd2bbeb9e2bedf3e4d52f3510a20add3a1a /llvm/test/Transforms/LoopVectorize/memdep.ll
parent3bde507a7a9fb6707746e845f8eda6b33b2d9e8d (diff)
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Don't vectorize if there are outside loop users of the induction variable.
We would have to compute the pre increment value, either by computing it on every loop iteration or by splitting the edge out of the loop and inserting a computation for it there. For now, just give up vectorizing such loops. Fixes PR17179. llvm-svn: 190790
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