llvm-project

698fcb12 - [mlir][affine] Set overflow flags when lowering [de]linearize_index (#139612)

[mlir][affine] Set overflow flags when lowering [de]linearize_index (#139612) By analogy to some changess to the affine.apply lowering which put `nsw`s on various multiplications, add appropritae overflow flags to the multiplications and additions that're emitted when lowering affine.delinearize_index and affine.linearize_index to arith ops.