[llvm] [DSE] Fold small malloc + zero-store into calloc (PR #106069)

[Nikita Popov via llvm-commits]

nikic wrote:

This looks like a duplicate of https://github.com/llvm/llvm-project/pull/87048, see also https://github.com/llvm/llvm-project/pull/87048#issuecomment-2027251484 for a prerequisite transform that needs to be implemented before we can consider this.

https://github.com/llvm/llvm-project/pull/106069