pub fn devectorize(ast: &Arc<UOp>) -> Arc<UOp>Expand description
Run devectorize pass. Call AFTER pre_expand, BEFORE codegen.
Single-pass combined matcher (Tinygrad pm_devectorize):
sym + devectorize + load_store_folding + correct_load_store + load_store_indexing
Note: bool_storage_patterns() called separately (backend-specific).
Note: pm_render() should be applied AFTER this pass.