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[DAG][ARM] Define upwrapAddress for ARM backend.

Authored by niravd on Jan 31 2019, 12:04 PM.



Like with X86, this allows better DAG-level alias analysis and
alignment inference for wrapped addresses.

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niravd created this revision.Jan 31 2019, 12:04 PM
arsenm resigned from this revision.Feb 21 2019, 7:08 PM
Herald added a project: Restricted Project. · View Herald TranscriptFeb 21 2019, 7:08 PM
niravd abandoned this revision.Mar 26 2019, 8:23 AM

This seems like it a natural thing to do as with the X86 backend, but since it doesn't make any test change differences, perhap it is unecessary.