zxy844288792 opened a new pull request #8040:
URL: https://github.com/apache/tvm/pull/8040
If unused function presents like a cond branch never been accessed, memory
allocation pass will throw erros since it is not presented in context_analysis
map like errors shows below:
```
TVMError: Check failed: (it != context_analysis_map_.end()) is false: Cannot
find expr in the context analysis map:
E #[version = "0.0.5"]
E free_var %x2: Tensor[(2, 2), float32];
E %0 = fn (%p0: Tensor[(2, 2), float32], Primitive=1) ->
Tensor[(2, 2), float32] {
E multiply(%p0, 3f /* ty=float32 */) /* ty=Tensor[(2, 2),
float32] */
E };
E %0(%x2) /* ty=Tensor[(2, 2), float32] */
```
Add RemoveUnusedFunctions pass before memory allocation to avoid this issue.
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