[PATCH] D17475: MachineCopyPropagation: Catch copies of the form A<-B; A<-B
Matthias Braun via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 25 13:03:36 PST 2016
MatzeB added a comment.
In http://reviews.llvm.org/D17475#362089, @junbuml wrote:
> Adding isConstantPhysReg() would be good in this pass. As far as I check, however, isConstantPhysReg() returns false for WZR and XZR in AArch64, which I think we need to fix (Bug 25457).
Yes let's do this one in follow up commits. Is it okay to push this one?
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