comaniac commented on a change in pull request #7656:
URL: https://github.com/apache/tvm/pull/7656#discussion_r594544046
##########
File path: tests/python/relay/test_pass_simplify_expr.py
##########
@@ -60,6 +60,54 @@ def symbolic():
assert tvm.ir.structural_equal(zz, after)
+def test_simplify_transpose():
+ def before1():
+ x = relay.var("x", shape=(1, 3, 224, 224), dtype="float32") # NCHW
+ y = relay.transpose(x, axes=[0, 2, 3, 1]) # To NHWC
+ y = relay.layout_transform(y, "NHWC", "HWCN") # To HWCN
+ y = relay.transpose(y, axes=[3, 0, 1, 2]) # To NHWC
+ return relay.Function([x], y)
+
+ def expected1():
+ x = relay.var("x", shape=(1, 3, 224, 224), dtype="float32") # NCHW
+ y = relay.transpose(x, axes=[0, 2, 3, 1]) # To NHWC
+ return relay.Function([x], y)
+
+ def before2():
+ x = relay.var("x", shape=(1, 3, 224, 224), dtype="float32") # NCHW
+ y = relay.nn.relu(x)
+ y = relay.transpose(y, axes=[0, 2, 3, 1]) # To NHWC
+ y = relay.transpose(y, axes=[1, 2, 3, 0]) # To HWCN
+ y = relay.transpose(y, axes=[3, 2, 0, 1]) # To NCHW
+ return relay.Function([x], y)
+
+ def expected2():
+ x = relay.var("x", shape=(1, 3, 224, 224), dtype="float32") # NCHW
+ y = relay.nn.relu(x)
+ return relay.Function([x], y)
+
+ def before3():
+ x = relay.var("x", shape=(1, 3, 224, 224), dtype="float32") # NCHW
+ y = relay.nn.relu(x)
+ y = relay.transpose(y) # Reverse
+ y = relay.transpose(y) # Reverse
+ return relay.Function([x], y)
+
+ def expected3():
+ x = relay.var("x", shape=(1, 3, 224, 224), dtype="float32") # NCHW
+ y = relay.nn.relu(x)
+ return relay.Function([x], y)
+
+ for before, expected in [
+ [before1(), expected1()],
+ [before2(), expected2()],
+ [before3(), expected3()],
+ ]:
+ after = run_opt_pass(before, transform.SimplifyExpr())
+ expected = run_opt_pass(expected, transform.InferType())
+ assert tvm.ir.structural_equal(after, expected)
Review comment:
Changed.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
