llvm-project

0d292794 - [DAGCombine] Propagate nuw when evaluating sub with narrower types (#156710)

[DAGCombine] Propagate nuw when evaluating sub with narrower types (#156710) Proof: https://alive2.llvm.org/ce/z/cdbzSL Closes https://github.com/llvm/llvm-project/issues/156559.