[PATCH] D33003: Add callee-saved registers as implicit uses in return instructions

Krzysztof Parzyszek via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri May 12 08:26:45 PDT 2017

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kparzysz added a comment.

The difference is that XMM6 is a pristine register, and is started showing up as live-in in basic blocks.  This lead the ExecutionDepsFix to pick a different register to use in an undef use (and it happened to be XMM2).


Repository:
  rL LLVM

https://reviews.llvm.org/D33003

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