Hzfengsy opened a new pull request, #14276:
URL: https://github.com/apache/tvm/pull/14276
The current cross-function calls in TVMScript will cause PyLint warnings,
since the GlobalVar will be marked as undefined vars, e.g.:
```python
@I.ir_module
class TestModule:
@T.prim_func
def tir_func(
x: T.Buffer((T.int64(128),), "float32"), y:
T.Buffer((T.int64(128),), "float32")
):
T.evaluate(0)
@R.function
def foo(x: R.Tensor((128,), "float32")) -> R.Tensor((128,), "float32"):
gv0 = R.call_tir(tir_func, x, R.Tensor((128,), dtype="float32")) #
<= `tir_func` is not defined in Python syntax.
return gv0
```
This PR changes the behavior into `TestModule.tir_func` instead of direct
`tir_func`
```python
@I.ir_module
class TestModule:
@T.prim_func
def tir_func(
x: T.Buffer((T.int64(128),), "float32"), y:
T.Buffer((T.int64(128),), "float32")
):
T.evaluate(0)
@R.function
def foo(x: R.Tensor((128,), "float32")) -> R.Tensor((128,), "float32"):
cls = TestModule # Use `cls` to refer the current Module
gv0 = R.call_tir(cls.tir_func, x, R.Tensor((128,), dtype="float32"))
return gv0
```
NOTE: It's a breaking change, the old style is deprecated.
Additionally, this PR contains the following minor fixes:
- mark `R.function` as staticmethod as what we do for `T.prim_func`
- make `I`, `R`, `T`, `cls` be the builtin keywords for the printer
- define names for functions, modules to prevent naming conflict
- checking the var names is valid via regex expression
- fix typos
cc @tqchen
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