[PATCH] D15157: CodeGen peephole: fold redundant phys reg copies

[JF Bastien via llvm-commits]

jfb added a comment.

In http://reviews.llvm.org/D15157#300551, @qcolombet wrote:

> Note: The transformation would make sense in the peephole optimizer if we do it only for not allocatable registers.


Interesting proposal, that does seem to make sense. Let me look into it, thanks!


http://reviews.llvm.org/D15157