[IR] Add variable name prefix for BuildScope (#55536)

* add interface

* add code

* add code

* add code

* add code

* fix bug

* fix bug

* add var prefix

paddle/fluid/ir/phi_kernel_adaptor/phi_kernel_util.cc

@@ -66,8 +66,8 @@ paddle::framework::Variable* CreateVar(
   }
 
   paddle::framework::Variable* var = nullptr;
-  VLOG(6) << "var_name_prefix is: " << var_name_prefix;
-  std::string name = "inner_var_" + std::to_string(variable_2_var_name->size());
+  std::string name = var_name_prefix + "_inner_var_" +
+                     std::to_string(variable_2_var_name->size());
   if (force_persisable || is_persisable) {
     VLOG(6) << "Create var: " << name << " in scope " << inner_scope->root();
     var = const_cast<paddle::framework::Scope*>(inner_scope->root())->Var(name);

test/cpp/new_executor/standalone_executor_new_ir_test.cc

@@ -22,6 +22,7 @@
 
 #include "paddle/phi/core/kernel_registry.h"
 
+#include "paddle/fluid/framework/new_executor/new_ir_interpreter.h"
 #include "paddle/fluid/ir/dialect/pd_dialect.h"
 #include "paddle/fluid/ir/dialect/pd_op.h"
 #include "paddle/fluid/ir/transforms/pd_op_to_kernel_pass.h"
@@ -69,14 +70,23 @@ TEST(StandaloneExecutor, run) {
 
   ProgramDesc prog_desc;
   InterpreterCore test_core(place, std::move(kernel_program), &scope);
+  VLOG(0) << "&test_core" << &test_core;
+  VLOG(0) << "&test_core.impl" << test_core.Impl();
+  VLOG(0) << "&test_core.impl.cast"
+          << reinterpret_cast<NewIRInterpreter*>(
+                 const_cast<InterpreterBaseImpl*>(test_core.Impl()));
 
   test_core.BetaRun({});
-
-  auto out_tensor = test_core.local_scope() == nullptr
-                        ? scope.FindVar("inner_var_2")->Get<phi::DenseTensor>()
-                        : test_core.local_scope()
-                              ->FindVar("inner_var_2")
-                              ->Get<phi::DenseTensor>();
+  std::stringstream os;
+  os << reinterpret_cast<NewIRInterpreter*>(
+      const_cast<InterpreterBaseImpl*>(test_core.Impl()));
+  std::string prefix_str = os.str();
+  auto out_tensor =
+      test_core.local_scope() == nullptr
+          ? scope.FindVar(prefix_str + "_inner_var_2")->Get<phi::DenseTensor>()
+          : test_core.local_scope()
+                ->FindVar(prefix_str + "_inner_var_2")
+                ->Get<phi::DenseTensor>();
 
   bool res0 = simple_cmp(out_tensor.data<float>()[0], 2.0);
   bool res1 = simple_cmp(out_tensor.data<float>()[1], 2.0);
@@ -107,11 +117,16 @@ TEST(StandaloneExecutor, run_inplace_sqrt) {
   InterpreterCore test_core(place, std::move(kernel_program), &scope);
   test_core.BetaRun({});
 
-  auto out_tensor = test_core.local_scope() == nullptr
-                        ? scope.FindVar("inner_var_0")->Get<phi::DenseTensor>()
-                        : test_core.local_scope()
-                              ->FindVar("inner_var_0")
-                              ->Get<phi::DenseTensor>();
+  std::stringstream os;
+  os << reinterpret_cast<NewIRInterpreter*>(
+      const_cast<InterpreterBaseImpl*>(test_core.Impl()));
+  std::string prefix_str = os.str();
+  auto out_tensor =
+      test_core.local_scope() == nullptr
+          ? scope.FindVar(prefix_str + "_inner_var_0")->Get<phi::DenseTensor>()
+          : test_core.local_scope()
+                ->FindVar(prefix_str + "_inner_var_0")
+                ->Get<phi::DenseTensor>();
 
   bool res0 = simple_cmp(out_tensor.data<float>()[0], 2.0);
   bool res1 = simple_cmp(out_tensor.data<float>()[1], 2.0);