[llvm] [ConstantRange] Bail out early in unsignedMulMayOverflow for wide integer types (PR #192275)

[Max Graey via llvm-commits]

MaxGraey wrote:

> Suggestion: Simplify the early-out conditions based on LZ

Combining these branches in this way not only kill readability but also reduce codegen quality:
https://godbolt.org/z/5WYEvhnoG

https://github.com/llvm/llvm-project/pull/192275