torch-mlir/frontends/pytorch/test/module_import/submodules-select.py

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# -*- Python -*-
# This file is licensed under a pytorch-style license
# See frontends/pytorch/LICENSE for license information.
import typing
import torch
import torch_mlir
# RUN: %PYTHON %s | npcomp-opt | FileCheck %s
mb = torch_mlir.ModuleBuilder()
class Submodule(torch.nn.Module):
def __init__(self, n):
super().__init__()
self.n = n
class TestModule(torch.nn.Module):
def __init__(self):
super().__init__()
self.s1 = Submodule(1)
self.s2 = Submodule(2)
# CHECK-LABEL: func private @{{.*}}TestModule.forward
def forward(self, b: bool):
# Modules with the same class can be selected between.
# CHECK: %[[MOD:.*]] = scf.if
s = self.s1 if b else self.s2
# CHECK: %[[N:.*]] = torch.prim.GetAttr %4["n"]
# CHECK: return %[[N]]
return s.n
test_module = TestModule()
recursivescriptmodule = torch.jit.script(test_module)
# TODO: Automatically handle unpacking Python class RecursiveScriptModule into the underlying ScriptModule.
mb.import_module(recursivescriptmodule._c)
mb.module.operation.print()