llvm / llvm/torch-mlir

unsupported aten.meshgrid operator

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Description

error: "aten::meshgrid"("code/torch/det2trt/models/detector/bevformer.py":549:20): failed to legalize operation 'torch.operator' that was explicitly marked illegal
note: "aten::meshgrid"("code/torch/det2trt/models/detector/bevformer.py":549:20): see current operation: %3069 = "torch.operator"(%3068) <{name = "aten.meshgrid"}> : (!torch.list) -> !torch.list

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Research direction

Start from the reported aten::meshgrid failure at code/torch/det2trt/models/detector/bevformer.py:549:20 and trace how torch-mlir handles this operation. Done means the aten.meshgrid operation is no longer explicitly illegal and the reported legalization failure is resolved.

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Assessment

Tech stack
cpp, pytorch
Domain
compilers
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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