81     return emitError(unknownLoc, "expected ")  in sliceInstruction()
93     return emitError(unknownLoc, "word count cannot be zero");  in sliceInstruction()
97     return emitError(unknownLoc, "insufficient words for the last instruction");  in sliceInstruction()
225       return emitError(unknownLoc,  in processOpWithoutGrammarAttr()
232       return emitError(unknownLoc, "unknown type result <id>: ")  in processOpWithoutGrammarAttr()
239       return emitError(unknownLoc,  in processOpWithoutGrammarAttr()
255       return emitError(unknownLoc, "unknown result <id>: ") << words[wordIndex];  in processOpWithoutGrammarAttr()
259     return emitError(  in processOpWithoutGrammarAttr()
266     return emitError(  in processOpWithoutGrammarAttr()
298     return emitError(unknownLoc, "OpUndef instruction must have two operands");  in processUndef()
302     return emitError(unknownLoc, "unknown type <id> with OpUndef instruction");  in processUndef()
310     return emitError(unknownLoc,  in processExtInst()
315     return emitError(unknownLoc, "undefined set <id> in OpExtInst");  in processExtInst()
332     return emitError(unknownLoc,  in processOp()
338     return emitError(unknownLoc, "missing <id> in OpEntryPoint");  in processOp()
347     return emitError(unknownLoc, "no function matching <id> ") << fnID;  in processOp()
354       return emitError(unknownLoc,  in processOp()
364       return emitError(unknownLoc, "undefined result <id> ")  in processOp()
381     return emitError(unknownLoc,  in processOp()
388     return emitError(unknownLoc, "no function matching <id> ") << fnID;  in processOp()
392     return emitError(unknownLoc, "missing Execution Mode in OpExecutionMode");  in processOp()
413     return emitError(  in processOp()
423       return emitError(unknownLoc,  in processOp()
442     return emitError(unknownLoc,  in processOp()
448     return emitError(unknownLoc, "undefined result type from <id> ")  in processOp()
465       return emitError(unknownLoc, "unknown <id> ")  in processOp()
484     return emitError(unknownLoc, "OpMemoryBarrier must have memory scope <id> "  in processOp()
492       return emitError(unknownLoc,  in processOp()
517       return emitError(unknownLoc, "unknown result <id> : ")  in processOp()
529       return emitError(unknownLoc, "unknown result <id> : ")  in processOp()
563     return emitError(unknownLoc,  in processOp()