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LegalizeDAG: Implement promote for scalar_to_vector
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Authored by arsenm on Nov 2 2015, 11:07 AM.

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Reviewers
resistor
Summary

This allows avoiding the default Expand behavior which
introduces stack usage. Bitcast the scalar and replace
the missing elements with undef.

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Event Timeline

arsenm updated this revision to Diff 38947.Nov 2 2015, 11:07 AM
arsenm retitled this revision from to LegalizeDAG: Implement promote for scalar_to_vector.
arsenm updated this object.
arsenm added a subscriber: llvm-commits.

Patch LGTM. Testcase?

resistor accepted this revision.Nov 10 2015, 10:19 AM
resistor added a reviewer: resistor.
This revision is now accepted and ready to land.Nov 10 2015, 10:19 AM
arsenm closed this revision.Nov 10 2015, 10:51 AM

r252632