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[AVR][GlobalISel] Add initial GlobalIsel infrastructure

Authored by xgupta on Jul 27 2021, 5:30 AM.



Add an initial GlobalISel skeleton for AVR. It can only run
ir-translator and legalizer for ret void.

This is largely based on the initial GlobalISel patch for RISCV & PowerPC

Note: It is only copy-paste so currently don't even build. But I will be
updating it actively.

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xgupta created this revision.Jul 27 2021, 5:30 AM
xgupta abandoned this revision.Sep 15 2021, 4:29 AM
Herald added a project: Restricted Project. · View Herald TranscriptSep 15 2021, 4:29 AM