Fix Split index bugs uncovered by QNN SDK 2.19#19381
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### Description - When converting ONNX split sizes to QNN split indices, do not include the split at index 0. QNN 2.19 assumes index 0 is implicit and throws a validation error if provided. - Fix bug when using an ONNX Split operator with a `num_outputs` attribute that does not evenly divide into `shape[axis]`. The ONNX spec states that the last chunk should be smaller, but QNN EP made the last chunk larger. - Fix bug when using an ONNX Split operator with a `split` input. QNN EP was incorrectly passing the split sizes as split indices without conversion. ### Motivation and Context QNN SDK 2.19 updated validation criteria for Split operators. QNN EP was previously passing a split index that should have been implicit. Also, discovered a bugs when using `num_outputs` attribute and `split` input.
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Description
num_outputsattribute that does not evenly divide intoshape[axis]. The ONNX spec states that the last chunk should be smaller, but QNN EP made the last chunk larger.splitinput. QNN EP was incorrectly passing the split sizes as split indices without conversion.Motivation and Context
QNN SDK 2.19 updated validation criteria for Split operators. QNN EP was previously passing a split index that should have been implicit.
Also, discovered a bugs when using
num_outputsattribute andsplitinput.