[llvm] [IR] Add nowrap flags for trunc instruction (PR #85592)

[via llvm-commits]

elhewaty wrote:

@nikic, Thanks, I will work on them all.

>     * Implement inference for nuw/nsw flags in InstCombine
 
Sorry, I don't understand this. Do you mean the pattern match functions?



https://github.com/llvm/llvm-project/pull/85592