[llvm-branch-commits] [llvm] [CodeGen] Correctly classify/mark dead defs when adjusting lane liveness (PR #215595)

[Lucas Ramirez via llvm-branch-commits]

lucas-rami wrote:

> Does this help with https://github.com/llvm/llvm-project/issues/76416

Unfortunately not, it still fails on the reduced test cases. 

https://github.com/llvm/llvm-project/pull/215595