[PATCH] D71132: PostRA Machine Sink should take care of COPY defining register that is a sub-register by another COPY source operand

[Valery Pykhtin via Phabricator via llvm-commits]

vpykhtin added a comment.

Almost LGTM. Do you need those liveins reorderings?



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Comment at: llvm/test/CodeGen/AArch64/bisect-post-ra-machine-sink.mir:12
 # RUN-POSTRA: bb.1:
-# RUN-POSTRA: liveins: $w1, $w0
+# RUN-POSTRA: liveins: $w0, $w1
 # RUN-POSTRA: renamable $w19 = COPY killed $w0
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is this really needed?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71132/new/

https://reviews.llvm.org/D71132