【Infer Symbolic Shape BUAA No.91】Add viewshape op (#66737)

* Update unary_infer_sym.cc

* Update unary_infer_sym.h

* Update ops.yaml

* Update same_operands_result.cc

* Update unary_infer_sym.cc

* Update unary_infer_sym.cc

* Update same_operands_result.h

* Update unary_infer_sym.h

Author: Guanhuachen2003

paddle/fluid/pir/dialect/operator/interface/infer_symbolic_shape/same_operands_result.cc

@@ -142,6 +142,7 @@ OP_SAME_OPERANDS_AND_RESULT(Trunc)
 OP_SAME_OPERANDS_AND_RESULT(Trunc_)
 OP_SAME_OPERANDS_AND_RESULT(Sigmoid)
 OP_SAME_OPERANDS_AND_RESULT(Sigmoid_)
+OP_SAME_OPERANDS_AND_RESULT(ViewShape)
 
 bool ScaleOpInferSymbolicShape(pir::Operation *op,
                                pir::InferSymbolicShapeContext *infer_context) {

paddle/fluid/pir/dialect/operator/interface/infer_symbolic_shape/same_operands_result.h

@@ -135,6 +135,7 @@ OP_DECLARE_INFER_SYMBOLIC_SHAPE(Trunc)
 OP_DECLARE_INFER_SYMBOLIC_SHAPE(Trunc_)
 OP_DECLARE_INFER_SYMBOLIC_SHAPE(Sigmoid)
 OP_DECLARE_INFER_SYMBOLIC_SHAPE(Sigmoid_)
+OP_DECLARE_INFER_SYMBOLIC_SHAPE(ViewShape)
 
 }  // namespace paddle::dialect
 

paddle/phi/ops/yaml/ops.yaml

@@ -4824,6 +4824,7 @@
     func : view_shape
   backward : view_shape_grad
   no_need_buffer : input
+  interfaces : paddle::dialect::InferSymbolicShapeInterface
 
 - op : viterbi_decode
   args : (Tensor potentials, Tensor transition_params, Tensor lengths, bool include_bos_eos_tag = true)