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llvm-mirror/test/Bitcode/upgrade-void-ret-attr-11.0.ll.bc
Steven Wu 5c8193b398 [IR][AutoUpgrade] Drop align attribute from void return types 
Since D87304, `align` become an invalid attribute on none pointer types and
verifier will reject bitcode that has invalid `align` attribute.

The problem is before the change, DeadArgumentElimination can easily
turn a pointer return type into a void return type without removing
`align` attribute. Teach Autograde to remove invalid `align` attribute
from return types to maintain bitcode compatibility.

rdar://77022993

Reviewed By: dexonsmith

Differential Revision: https://reviews.llvm.org/D102201
2021-05-11 08:23:55 -07:00

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