masahi commented on code in PR #16175:
URL: https://github.com/apache/tvm/pull/16175#discussion_r1408727772
##########
tests/python/relax/test_transform_fuse_ops_by_pattern.py:
##########
@@ -1023,5 +1024,27 @@ def main(
assert "fused_relax_matmul_relax_add_relax_add_cutlass" in func_names
+def test_intermediate_var_to_var_binding():
+ """test the intermediate binding y1 will break the fusion"""
+
+ @I.ir_module
+ class Module:
+ @R.function
+ def main(
+ x: R.Tensor((1, 16), dtype="float16"), w: R.Tensor((16, 16),
dtype="float16")
+ ) -> R.Tensor((1, 16), dtype="float16"):
+ with R.dataflow():
+ w1: R.Tensor((16, 16), dtype="float16") = R.permute_dims(w,
axes=None)
+ y: R.Tensor((1, 16), dtype="float16") = R.matmul(x, w1)
+ y1: R.Tensor((1, 16), dtype="float16") = y
Review Comment:
I think such binding can be removed by CanonicalizeBinding pass
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