[PATCH] D17889: [MachineCopyPropagation] Expose more dead copies across instructions with regmasks

Quentin Colombet via llvm-commits llvm-commits at lists.llvm.org
Fri Mar 4 16:32:15 PST 2016


qcolombet added a comment.

> I think this change is small enough and very much in the spirit of the existing MachineCopyProp code, so why not go with it?


I am fine with the code going in, but I want to root cause why we need it in the first place.
Indeed, I would rather not introduce code that lives just because of the mir test.


http://reviews.llvm.org/D17889





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