[CIR] Use default attribute printer/parser (NFC) (#170366)

Author: xlauko

clang/include/clang/CIR/Dialect/IR/CIRDialect.td

@@ -24,8 +24,7 @@ def CIR_Dialect : Dialect {
 
   let cppNamespace = "::cir";
 
-  let useDefaultAttributePrinterParser = 0;
-  let useDefaultTypePrinterParser = 0;
+  let useDefaultAttributePrinterParser = 1;
 
   // Enable constant materialization for the CIR dialect. This generates a
   // declaration for the cir::CIRDialect::materializeConstant function. This
@@ -52,12 +51,6 @@ def CIR_Dialect : Dialect {
     mlir::Type parseType(mlir::DialectAsmParser &parser) const override;
     void printType(mlir::Type type,
                    mlir::DialectAsmPrinter &printer) const override;
-
-    mlir::Attribute parseAttribute(mlir::DialectAsmParser &parser,
-                                   mlir::Type type) const override;
-
-    void printAttribute(mlir::Attribute attr,
-                        mlir::DialectAsmPrinter &os) const override;
   }];
 }
 

clang/lib/CIR/Dialect/IR/CIRAttrs.cpp

@@ -68,24 +68,6 @@ using namespace cir;
 // General CIR parsing / printing
 //===----------------------------------------------------------------------===//
 
-Attribute CIRDialect::parseAttribute(DialectAsmParser &parser,
-                                     Type type) const {
-  llvm::SMLoc typeLoc = parser.getCurrentLocation();
-  llvm::StringRef mnemonic;
-  Attribute genAttr;
-  OptionalParseResult parseResult =
-      generatedAttributeParser(parser, &mnemonic, type, genAttr);
-  if (parseResult.has_value())
-    return genAttr;
-  parser.emitError(typeLoc, "unknown attribute in CIR dialect");
-  return Attribute();
-}
-
-void CIRDialect::printAttribute(Attribute attr, DialectAsmPrinter &os) const {
-  if (failed(generatedAttributePrinter(attr, os)))
-    llvm_unreachable("unexpected CIR type kind");
-}
-
 static void printRecordMembers(mlir::AsmPrinter &printer,
                                mlir::ArrayAttr members) {
   printer << '{';