[clang] [llvm] [IR] Optimize PHINode::removeIncomingValue() by swapping removed incoming value with the last incoming value. (PR #171963)

[Mingjie Xu via cfe-commits]

https://github.com/Enna1 ready_for_review 
https://github.com/llvm/llvm-project/pull/171963
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits