[llvm] [MemoryLocation] Model value parameter of memset.pattern intrinsic (PR #138559)

[Philip Reames via llvm-commits]

preames wrote:

@nikic Do you have a pointer to an example I can copy-from?  Or a link to the recent work you mentioned?  I tried finding something in tree before posting this, but apparently don't have the right search terms.  

https://github.com/llvm/llvm-project/pull/138559