[IR] fine-tune the interface of ir-context class. (#54031)

paddle/ir/ir_context.cc

@@ -99,6 +99,10 @@ class IrContextImpl {
     return nullptr;
   }
 
+  bool IsOpInfoRegistered(const std::string &name) {
+    return registed_op_infos_.find(name) != registed_op_infos_.end();
+  }
+
   void RegisterOpInfo(const std::string &name, OpInfoImpl *opinfo) {
     std::lock_guard<ir::SpinLock> guard(registed_op_infos_lock_);
     VLOG(4) << "Register an operation of: [Name=" << name
@@ -125,7 +129,11 @@ class IrContextImpl {
     registed_dialect_.emplace(name, dialect);
   }
 
-  Dialect *GetDialect(std::string name) {
+  bool IsDialectRegistered(const std::string &name) {
+    return registed_dialect_.find(name) != registed_dialect_.end();
+  }
+
+  Dialect *GetDialect(const std::string &name) {
     std::lock_guard<ir::SpinLock> guard(registed_dialect_lock_);
     auto iter = registed_dialect_.find(name);
     if (iter != registed_dialect_.end()) {
@@ -221,17 +229,15 @@ AbstractAttribute *IrContext::GetRegisteredAbstractAttribute(TypeId id) {
 }
 
 Dialect *IrContext::GetOrRegisterDialect(
-    std::string dialect_name, std::function<Dialect *()> constructor) {
+    const std::string &dialect_name, std::function<Dialect *()> constructor) {
   VLOG(4) << "Try to get or register a Dialect of: [name=" << dialect_name
           << "].";
-  Dialect *dialect = impl().GetDialect(dialect_name);
-  if (dialect == nullptr) {
+  if (!impl().IsDialectRegistered(dialect_name)) {
     VLOG(4) << "Create and register a new Dialect of: [name=" << dialect_name
             << "].";
-    dialect = constructor();
-    impl().RegisterDialect(dialect_name, dialect);
+    impl().RegisterDialect(dialect_name, constructor());
   }
-  return dialect;
+  return impl().GetDialect(dialect_name);
 }
 
 std::vector<Dialect *> IrContext::GetRegisteredDialects() {
@@ -271,7 +277,9 @@ void IrContext::RegisterOpInfo(Dialect *dialect,
                                size_t attributes_num,
                                const char **attributes_name,
                                VerifyPtr verify) {
-  if (GetRegisteredOpInfo(name) == nullptr) {
+  if (impl().IsOpInfoRegistered(name)) {
+    LOG(WARNING) << name << " op already registered.";
+  } else {
     OpInfoImpl *opinfo = OpInfoImpl::create(dialect,
                                             op_id,
                                             name,
@@ -281,9 +289,7 @@ void IrContext::RegisterOpInfo(Dialect *dialect,
                                             attributes_name,
                                             verify);
     impl().RegisterOpInfo(name, opinfo);
-    VLOG(4) << "Op " << name << " registered into IrContext. --->";
-  } else {
-    LOG(WARNING) << name << " op already registered.";
+    VLOG(4) << name << " op registered into IrContext. --->";
   }
 }
 

paddle/ir/ir_context.h

@@ -143,7 +143,7 @@ class IrContext {
   ///
   /// \return The dialect named "dialect_name" in the context.
   ///
-  Dialect *GetOrRegisterDialect(std::string dialect_name,
+  Dialect *GetOrRegisterDialect(const std::string &dialect_name,
                                 std::function<Dialect *()> constructor);
 
   ///