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[SVE][CodeGen] Add a DAG combine to extend mscatter indices

Authored by kmclaughlin on Nov 25 2020, 2:54 AM.

Description

[SVE][CodeGen] Add a DAG combine to extend mscatter indices

This patch adds a target-specific DAG combine for mscatter to promote indices
with element types i8 or i16 before legalisation, plus various tests with illegal types.

Reviewed By: sdesmalen

Differential Revision: https://reviews.llvm.org/D90945

Details

Committed
kmclaughlinNov 25 2020, 3:18 AM
Reviewer
sdesmalen
Differential Revision
D90945: [SVE][CodeGen] Add a DAG combine to extend mscatter indices
Parents
rG1c3451c665f9: [gn build] Port d95db1693cb
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