Merging rr221501:
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r221501 | majnemer | 2014-11-06 16:31:14 -0800 (Thu, 06 Nov 2014) | 7 lines
LoopVectorize: Don't assume pointees are sized
A pointer's pointee might not be sized: the pointee could be a function.
Report this as IK_NoInduction when calculating isInductionVariable.
This fixes PR21508.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_35@223636
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