PaddlePaddle
diff --git a/‎python/paddle/jit/dy2static/__init__.py
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-1Lines changed: 0 additions & 1 deletion b/‎python/paddle/jit/dy2static/__init__.py
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-1Lines changed: 0 additions & 1 deletion
diff --git a/‎python/paddle/jit/dy2static/static_analysis.py
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-246Lines changed: 0 additions & 246 deletions b/‎python/paddle/jit/dy2static/static_analysis.py
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-246Lines changed: 0 additions & 246 deletions
diff --git a/‎python/paddle/jit/dy2static/transformers/decorator_transformer.py
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-2Lines changed: 0 additions & 2 deletions b/‎python/paddle/jit/dy2static/transformers/decorator_transformer.py
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-2Lines changed: 0 additions & 2 deletions
diff --git a/‎python/paddle/jit/dy2static/transformers/loop_transformer.py
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+3-15Lines changed: 3 additions & 15 deletions b/‎python/paddle/jit/dy2static/transformers/loop_transformer.py
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+3-15Lines changed: 3 additions & 15 deletions
diff --git a/‎python/paddle/jit/dy2static/utils.py
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+10-1Lines changed: 10 additions & 1 deletion b/‎python/paddle/jit/dy2static/utils.py
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+10-1Lines changed: 10 additions & 1 deletion
@@ -30,7 +30,6 @@
     unpack_by_structure as Unpack,
 )
 from .program_translator import convert_to_static  # noqa: F401
-from .static_analysis import StaticAnalysisVisitor  # noqa: F401
 from .transformers import DygraphToStaticAst  # noqa: F401
 from .utils import UndefinedVar, ast_to_source_code, saw  # noqa: F401
 from .variable_trans_func import (  # noqa: F401
 
@@ -41,8 +41,6 @@ class DecoratorTransformer(BaseTransformer):
     def __init__(self, root):
         self.root = root
 
-        self.ancestor_nodes = []
-
     def transform(self):
         """
         Main function to transform AST.
 
@@ -18,7 +18,6 @@
 from paddle.base import unique_name
 from paddle.utils import gast
 
-from ..static_analysis import StaticAnalysisVisitor
 from ..utils import (
     FOR_BODY_PREFIX,
     FOR_CONDITION_PREFIX,
@@ -32,6 +31,7 @@
     create_nonlocal_stmt_nodes,
     create_set_args_node,
     get_attribute_full_name,
+    get_parent_mapping,
 )
 from .base import (
     BaseTransformer,
@@ -137,10 +137,7 @@ def __init__(self, root_node):
         # Some names are types, we shouldn't record them as loop var names.
         self.type_vars = set()
 
-        self.static_analysis_visitor = StaticAnalysisVisitor(root_node)
-        self.node_to_wrapper_map = (
-            self.static_analysis_visitor.get_node_to_wrapper_map()
-        )
+        self.to_parent_mapping = get_parent_mapping(root_node)
 
         self.visit(root_node)
 
@@ -184,10 +181,6 @@ def get_loop_var_names(self, node):
         write_vars = self.write_in_loop[node]
         write_names = self._var_nodes_to_names(write_vars)
 
-        name_to_type = {}
-        for var in in_loop_vars:
-            wrapper = self.node_to_wrapper_map[var]
-            name_to_type[self._var_node_to_name(var)] = wrapper.node_var_type
         for name in in_loop_name_strs:
             if name in before_loop_name_strs:
                 # If a variable is used in loop and created before loop
@@ -363,12 +356,7 @@ def _is_ancestor_node(self, ancestor_node, node):
         return False
 
     def _get_parent_node(self, node):
-        wrapper_node = self.node_to_wrapper_map.get(node)
-        if wrapper_node:
-            if wrapper_node.parent:
-                parent_node = wrapper_node.parent.node
-                return parent_node
-        return None
+        return self.to_parent_mapping.get(node)
 
     def _remove_unnecessary_vars(self, loop_vars, loop_node):
         """
 
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import annotations
+
 import atexit
 import builtins
 import copy
@@ -47,7 +49,6 @@
     index_in_list,
     is_api_in_module,
     is_dygraph_api,
-    is_numpy_api,
     is_paddle_api,
 )
 
@@ -119,6 +120,14 @@ def visit(self, node):
         return ret
 
 
+def get_parent_mapping(root):
+    to_parent: dict[gast.AST, gast.AST] = {}
+    for node in gast.walk(root):
+        for child in gast.iter_child_nodes(node):
+            to_parent[child] = node
+    return to_parent
+
+
 dygraph_class_to_static_api = {
     "CosineDecay": "cosine_decay",
     "ExponentialDecay": "exponential_decay",
Original file line number	Diff line number	Diff line change
`@@ -30,7 +30,6 @@`
`30`	`30`	`unpack_by_structure as Unpack,`
`31`	`31`	`)`
`32`	`32`	`from .program_translator import convert_to_static # noqa: F401`
`33`		`-from .static_analysis import StaticAnalysisVisitor # noqa: F401`
`34`	`33`	`from .transformers import DygraphToStaticAst # noqa: F401`
`35`	`34`	`from .utils import UndefinedVar, ast_to_source_code, saw # noqa: F401`
`36`	`35`	`from .variable_trans_func import ( # noqa: F401`