[llvm] [LSR] All known LCSSA fixes (PR #193824)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> @dtcxzyw Bump on this when you get a chance for llvm-codegen-benchmark.

Sorry, llvm-codegen-benchmark just contains straight-line code snippets extracted from llvm-opt-benchmark. So LSR changes will not be covered by the corpus. Perhaps I can allow users to specify the pass sequence in llvm-opt-benchmark. Wait for me a moment :)

https://github.com/llvm/llvm-project/pull/193824