cconvey opened a new issue, #13765:
URL: https://github.com/apache/tvm/issues/13765
This lies somewhere between feature-request and bug-report.
When writing TVMScript, it's sometimes necessary to specify certain PrimFunc
attribute values. E.g.:
``` python
@T.prim_func
def foo():
T.func_attr(
{
"global_symbol": "foo",
"tir.noalias": True,
"calling_conv": 1, # tvm::CallingConv::kCPackedFunc
}
)
...
```
At least one such attribute is `"calling_conv"`, which in C++ land maps to
the `tvm::CallingConv` enumeration.
AFAIK, TVM currently provides no support for specifying the `"calling_conv"`
value symbolically. Instead, the developer needs to somehow discover that `1`
corresponds to `kCPackedFunc`, and _hope_ that remains true in perpetuity.
This will make TVMScript harder to maintain, and possibly subject to
maintenance/debugging headaches. TVM should support something more robust.
For example, maybe something like `"calling_conv" : "CPackedFunc"`, or
`"calling_conv" : T.CallingConv.kCPackedFunc`.
### Triage
* needs-triage
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