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2015 Mar 19
2
[LLVMdev] [LV] possible `vector.memcheck` regression when using `llvm.loop` and `llvm.mem.parallel_loop_access`
Adam,
Please find the attached test case (run with ToT opt -O3). As you can see,
`y_body` successfully is vectorized, though %33 and %46 are deemed MayAlias
despite their exclusive use in loads ands stores marked with
`llvm.mem.parallel_loop_access`.
Many Thanks,
Josh
On Thu, Mar 19, 2015 at 12:55 PM, Adam Nemet <anemet at apple.com> wrote:
>
> > On Mar 19, 2015, at 9:43 AM,