[llvm] [UnifyLoopExits] Never generate phis of only `undef` values (PR #99924)

Rose Silicon via llvm-commits llvm-commits at lists.llvm.org
Fri Aug 2 13:12:41 PDT 2024


RSilicon wrote:

Does this affect codegen correctness or is this an enhancement? If it is the former, should this be backported to 19.x?

https://github.com/llvm/llvm-project/pull/99924


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