622     return op->emitOpError("expected at least one output operand");  in verifyStructuredOpInterface()
627     return op->emitOpError("expected the number of results (")  in verifyStructuredOpInterface()
637       return op->emitOpError("unexpected iterator_type (")  in verifyStructuredOpInterface()
650     return op->emitOpError("expected the number of indexing_map (")  in verifyStructuredOpInterface()
660       return op->emitOpError("unexpected symbols in indexing_map #")  in verifyStructuredOpInterface()
666       return op->emitOpError("expected indexing_map #")  in verifyStructuredOpInterface()
672       return op->emitOpError("expected operand rank (")  in verifyStructuredOpInterface()
687     return op->emitOpError(  in verifyStructuredOpInterface()
694       return op->emitOpError("expected type of operand #")  in verifyStructuredOpInterface()
712           return op->emitOpError(  in verifyStructuredOpInterface()
725     return op->emitOpError("expects to have 1 region with 1 block");  in verifyStructuredOpInterface()
728     return op->emitOpError("expected the shape-to-loops map to be non-null");  in verifyStructuredOpInterface()
739     return op->emitOpError("expected as many non-induction variable region "  in verifyStructuredOpInterface()
746       return op->emitOpError("expected type of bb argument #")  in verifyStructuredOpInterface()
791           return op->emitOpError(  in verifyStructuredOpInterface()
797             return op->emitOpError("inferred input/output operand #")  in verifyStructuredOpInterface()
804             return op->emitOpError("inferred input/output operand #")  in verifyStructuredOpInterface()