[QNN EP] Handle 0-dim tensor for Concat. #26644
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edgchen1
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onnxruntime/core/providers/qnn/builder/opbuilder/base_op_builder.cc
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There may exsit tensor with 0-dim in shape, especially for Concat's inputs. Modify the base op builder to ignore such tensor during construction. Test: UT.
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Description
Define a util function
IsNullNodeUnitIODefto check whether given tensor has 0-dim in shape. To restrict the impact, current implementation only skip constructing such tensor for Concat.Motivation and Context
There may exsit tensor with 0-dim in shape, especially for Concat's inputs. Such null inputs often exist in models saved from PyTorch. Since QNN could not execute empty tensors, they must be explicitly handled.