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[GlobalISel][Utils] Optionally accept alternate COPY opcodes in getDefSrcRegIgnoringCopies

Authored by jackoalan on Nov 25 2021, 12:06 PM.



Adds optional argument to provide a set of alternate COPY opcodes for
getDefSrcRegIgnoringCopies to recognize. This is useful for instruction
selection to look through predecessors that will be directly selected as COPY
once iterated to.

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Event Timeline

jackoalan created this revision.Nov 25 2021, 12:06 PM
jackoalan requested review of this revision.Nov 25 2021, 12:06 PM
Herald added a project: Restricted Project. · View Herald TranscriptNov 25 2021, 12:06 PM

Fix clang-format issue

jackoalan abandoned this revision.Nov 26 2021, 12:49 PM

Abandoning this for now. A more sensible approach to the use case has been discovered.