[llvm] [InstCombine] Make foldCmpLoadFromIndexedGlobal more resiliant to non-array geps. (PR #150639)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> but I figured the structs can be removed from the geps and that gets us closer to where we want to be.

Yeah, we plan to strip leading zero indices. Then we can see if it breaks some existing transforms that only work with array source element types.



https://github.com/llvm/llvm-project/pull/150639