[llvm] [ValueTracking] Handle intrinsics in `computeConstantRange` (PR #100870)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

Compile-time impact: http://llvm-compile-time-tracker.com/compare.php?from=164a57805bd06f8857730b104fe4e4f11ed83ba1&to=bec349692a0c7f667a3370d14d8fbae0d5e2ab31&stat=instructions:u

https://github.com/llvm/llvm-project/pull/100870