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Posted to discuss-archive@tvm.apache.org by Haoyang Ma via Apache TVM Discuss <no...@discuss.tvm.ai> on 2022/02/26 09:36:11 UTC
[Apache TVM Discuss] [Questions] InferType crashes when a relay function call another function
When I play with relay, I meet the following unexpected crash caused by `InferType`. Below is my script,
```
import tvm
from tvm import relay
mod = tvm.IRModule()
x1 = relay.var("x1", dtype='float64', shape=())
y1 = relay.log(x1)
tuple = relay.Tuple([y1])
F1 = relay.Function([x1], tuple)
mod['F1'] = F1
x2 = relay.var("x2", dtype='float64', shape=())
f = mod.get_global_var('F1')
y2 = f(x2)
F2 = relay.Function([x2], y2)
mod['main'] = F2
print(mod)
mod = relay.transform.InferType()(mod)
print(mod)
```
And the crash message generated by `TVM_BACKTRACE=1` is
I am not sure if it's my fault to cause this problem. Could any expert give me a hint? Thanks in advance.
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[Apache TVM Discuss] [Questions] InferType crashes when a relay function call another function
Posted by Haoyang Ma via Apache TVM Discuss <no...@discuss.tvm.ai>.
I open an issue in github [[Bug] InferType crashes when a relay function calls an global identity function · Issue #10398 · apache/tvm (github.com)](https://github.com/apache/tvm/issues/10398). The example here is more concrete. I think it maybe a bug.
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[Apache TVM Discuss] [Questions] InferType crashes when a relay function call another function
Posted by Klopp via Apache TVM Discuss <no...@discuss.tvm.ai>.
I have commit a fix in [here](https://github.com/apache/tvm/pull/10447). Could any developer take a check on my fix? This is my first time to submit a patch and I am not sure if I make it correctly with my shallow understanding of TVM.
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