[PATCH] D17475: MachineCopyPropagation: Catch copies of the form A<-B; A<-B

[Quentin Colombet via llvm-commits]

qcolombet added a comment.

Hi Jun,

I’d rather not start messing with reserved registers in a generic way.

If you want to catch your example, maybe this is something you can teach in the AArch64RedundantCopyElimination pass.

Cheers,
-Quentin


Repository:
  rL LLVM

http://reviews.llvm.org/D17475