[llvm] [SROA] Unfold gep of index phi (round 2) (PR #83494)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

Looks like this patch still breaks my benchmark.
See also https://github.com/dtcxzyw/llvm-opt-benchmark/issues/278.

I will provide a minimal reproducer.


https://github.com/llvm/llvm-project/pull/83494