343     PrintFatalError(loc, "Attribute " + attr.getAttrDefName() +  in handleConstantAttr()
389   PrintFatalError(loc, "encountered non-op, non-NativeCodeCall match.");  in emitMatch()
464         PrintFatalError(loc, "NativeCodeCall cannot have `either` operands");  in emitNativeCodeMatch()
481     PrintFatalError(loc, "`NativeCodeCall` cannot have return type specifier");  in emitNativeCodeMatch()
486     PrintFatalError(loc, "NativeCodeCall must have $_self as argument for "  in emitNativeCodeMatch()
508       PrintFatalError(  in emitNativeCodeMatch()
601           PrintFatalError(loc, error);  in emitOpMatch()
636       PrintFatalError(loc, "unhandled case when matching op");  in emitOpMatch()
655       PrintFatalError(  in emitOperandMatch()
667         PrintFatalError(loc, error);  in emitOperandMatch()
694     PrintFatalError(loc, "`either` only supports grouping two operands");  in emitEitherOperandMatch()
711         PrintFatalError(loc, "either cannot be nested");  in emitEitherOperandMatch()
732       PrintFatalError(loc, "either can only be applied on operand");  in emitEitherOperandMatch()
789       PrintFatalError(  in emitAttributeMatch()
856         PrintFatalError(loc, "type constraint requires exactly one argument");  in emitMatchLogic()
866       PrintFatalError(  in emitMatchLogic()
872         PrintFatalError(loc, "only support up to 4-entity constraints now");  in emitMatchLogic()
1042       PrintFatalError(loc, error);  in emitRewriteLogic()
1048     PrintFatalError(loc, error);  in emitRewriteLogic()
1112     PrintFatalError(loc,  in handleResultPattern()
1136     PrintFatalError(  in handleReplaceWithValue()
1141     PrintFatalError(loc, "cannot bind symbol to replaceWithValue");  in handleReplaceWithValue()
1155     llvm::PrintFatalError(  in handleLocationDirective()
1159     PrintFatalError(loc, "cannot bind symbol to location");  in handleLocationDirective()
1180         llvm::PrintFatalError("Only one string attribute may be specified");  in handleLocationDirective()
1200       PrintFatalError(loc, "nested DAG in `returnType` must be a native code "  in handleReturnTypeArg()
1216     PrintFatalError(loc, "raw string not supported as argument");  in handleOpArgument()
1243   PrintFatalError(loc, "unhandled case when rewriting op");  in handleOpArgument()
1258     PrintFatalError(loc, "`NativeCodeCall` cannot have return type specifier");  in handleReplaceWithNativeCodeCall()
1353         PrintFatalError(loc, "`location` directive can only be specified "  in getTrailingDirectives()
1358         PrintFatalError(loc, "`returnType` directive can only be specified "  in getTrailingDirectives()
1391     PrintFatalError(loc,  in handleOpCreation()
1480     PrintFatalError(loc, "Cannot specify explicit return types in an op whose "  in handleOpCreation()
1591         PrintFatalError(loc, "only NativeCodeCall allowed in nested dag node "  in supplyValuesForOpArgs()
1601           PrintFatalError(loc, Twine("expected attribute ") + Twine(argIndex));  in supplyValuesForOpArgs()
1632           PrintFatalError(loc, "only NativeCodeCall allowed in nested dag node "  in createAggregateLocalVarsForOpArgs()
1669           PrintFatalError(  in createAggregateLocalVarsForOpArgs()