[PATCH] D27567: [AVR] Use the register scavenger when expanding 'LDDW' instructions

[Dylan McKay via Phabricator via llvm-commits]

dylanmckay updated this revision to Diff 80867.
dylanmckay added a comment.

Add an assertion to ensure we don't use '-1' as a VReg


https://reviews.llvm.org/D27567

Files:
  lib/Target/AVR/AVRExpandPseudoInsts.cpp
  test/CodeGen/AVR/pseudo/expand-lddw-dst-src-same.mir

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