[PATCH] D41463: [CodeGen] Add a new pass to sink Copy instructions after RA

Chad Rosier via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Feb 13 07:15:06 PST 2018


mcrosier added a comment.

LGTM, but formal approval should probably come from someone outside of our group (ping! :).



================
Comment at: lib/CodeGen/MachineSink.cpp:914
+// used in the current block and the COPY is live-in to a single successor
+// (i.e., doesn't require the COPY to be duplicated).  This avoids executing the
+// the copy on paths where their results aren't needed.  This also exposes
----------------
the the -> the


https://reviews.llvm.org/D41463





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