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[CodeGen] Fix warning in getNode for EXTRACT_SUBVECTOR

Authored by david-arm on Jun 29 2020, 2:39 AM.



Fix a warning in getNode() when extracting a subvector from a
concat vector. We can simply replace the call to getVectorNumElements
with getVectorMinNumElements as this follows the defined behaviour

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david-arm created this revision.Jun 29 2020, 2:39 AM
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efriedma accepted this revision.Jun 29 2020, 10:55 AM

What regression test does this affect?

LGTM assuming we have appropriate test coverage.

This revision is now accepted and ready to land.Jun 29 2020, 10:55 AM

Hi @efriedma, sorry yes I forgot to mention in the ticket it fixes an existing warnings in these tests:


when compiling them to assembly instead of LLVM IR. In the case of acle_sve_st2.c my patch actually kills off the last remaining warning so I can add a no-warnings check line.

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