[PATCH] D113772: [Analysis] Fix getNumberOfParts to return 0 when the answer is unknown

[David Sherwood via Phabricator via llvm-commits]

david-arm added a comment.

An alternative solution to changing llvm/include/llvm/Analysis/TargetTransformInfoImpl.h would be to fix LoopVectorize.cpp so that it never calls getNumberOfParts unless we have defined a target. For example, we could just set `TypeNotScalarized` to be `true` always when there is no target specified. I wasn't sure which solution was best so I pushed this patch up for now!


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  https://reviews.llvm.org/D113772/new/

https://reviews.llvm.org/D113772