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

[Dylan McKay via Phabricator via llvm-commits]

dylanmckay created this revision.
dylanmckay added a reviewer: asl.
dylanmckay added a subscriber: llvm-commits.

This gets rid of the hardcoded 'r0' that was used previously.


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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