[llvm] [LVI] Support using block values when handling conditions (PR #75311)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

@nikic Could you please have a look at https://github.com/dtcxzyw/llvm-opt-benchmark/pull/12#issuecomment-1871941488?

BTW, is it expected that this patch converts a bunch of signed icmps into unsigned icmps?
See also the comment in `InstCombine`:
https://github.com/llvm/llvm-project/blob/3c92011b600bdf70424e2547594dd461fe411a41/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp#L6123-L6135

https://github.com/llvm/llvm-project/pull/75311