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

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

IIRC https://github.com/llvm/llvm-project/pull/67093 is our final goal (i.e., cmp + load + gep i8/ptradd). But it looks stalled.


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