[llvm-branch-commits] [llvm] [KeyInstr][JumpThreading] Remap atoms duping bb with cond br on phi into pred (PR #133488)

[Jeremy Morse via llvm-branch-commits]

https://github.com/jmorse approved this pull request.

Whilst being some complicated threading, LGTM

https://github.com/llvm/llvm-project/pull/133488