[PATCH] D48154: [VirtRegRewriter] Avoid clobbering registers when expanding copy bundles

[Justin Bogner via Phabricator via llvm-commits]

bogner updated this revision to Diff 151304.

https://reviews.llvm.org/D48154

Files:
  lib/CodeGen/VirtRegMap.cpp
  test/CodeGen/AArch64/overlapping-copy-bundle-cycle.mir
  test/CodeGen/AArch64/overlapping-copy-bundle.mir

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