[PATCH] D19075: mergefunc: avoid merge with loop metadata

Hal Finkel via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 19 15:39:39 PDT 2016


hfinkel added a comment.

Do we not unqiue MDNodes? This seems like a lot of code for what I would have thought should be: Compare the pointer equality all MDNode operands except the first (because the first is the unique loop id).


http://reviews.llvm.org/D19075





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