Revert "Conditions updated to cover better user scenarios (#4951)"

This reverts commit fe74b37.
apache · Mar 10, 2020 · 07bac24 · 07bac24
1 parent 6026af5
commit 07bac24
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Showing 3 changed files with 5 additions and 104 deletions.
diff --git a/src/relay/ir/alpha_equal.cc b/src/relay/ir/alpha_equal.cc
@@ -50,14 +50,14 @@ class AlphaEqualHandler:
    * \return The comparison result.
    */
   bool Equal(const ObjectRef& lhs, const ObjectRef& rhs) {
-    if (!lhs.defined() || !rhs.defined()) return false;
     if (lhs.same_as(rhs)) return true;
-    if (lhs->IsInstance<TypeNode>() || rhs->IsInstance<TypeNode>()) {
-      if (!rhs->IsInstance<TypeNode>() || !lhs->IsInstance<TypeNode>()) return false;
+    if (!lhs.defined() || !rhs.defined()) return false;
+    if (lhs->IsInstance<TypeNode>()) {
+      if (!rhs->IsInstance<TypeNode>()) return false;
       return TypeEqual(Downcast<Type>(lhs), Downcast<Type>(rhs));
     }
-    if (lhs->IsInstance<ExprNode>() || rhs->IsInstance<ExprNode>()) {
-      if (!rhs->IsInstance<ExprNode>() || !lhs->IsInstance<ExprNode>()) return false;
+    if (lhs->IsInstance<ExprNode>()) {
+      if (!rhs->IsInstance<ExprNode>()) return false;
       return ExprEqual(Downcast<Expr>(lhs), Downcast<Expr>(rhs));
     }
     if (const auto lhsm = lhs.as<IRModuleNode>()) {

diff --git a/tests/cpp/relay_pass_alpha_equal.cc b/tests/cpp/relay_pass_alpha_equal.cc
diff --git a/tests/python/relay/test_pass_alpha_equal.py b/tests/python/relay/test_pass_alpha_equal.py
@@ -28,15 +28,6 @@ def alpha_equal(x, y):
     """
     return analysis.alpha_equal(x, y) and analysis.structural_hash(x) == analysis.structural_hash(y)
 
-def alpha_equal_commutative(x, y):
-    """
-    Check for commutative property of equality
-    """
-    xy = analysis.alpha_equal(x, y)
-    yx = analysis.alpha_equal(y, x)
-    assert xy == yx
-    return xy
-
 def test_tensor_type_alpha_equal():
     t1 = relay.TensorType((3, 4), "float32")
     t2 = relay.TensorType((3, 4), "float32")
@@ -228,26 +219,6 @@ def test_constant_alpha_equal():
     assert not alpha_equal(x, y)
     assert alpha_equal(x, relay.const(1))
 
-def test_type_node_alpha_equal():
-    v1 = relay.TypeVar('v1', 6)
-    v2 = relay.TypeVar('v2', 6)
-    assert not alpha_equal(v1, v2)
-
-    v1 = relay.TypeVar('v1', 0)
-    v2 = relay.TypeVar('v2', 6)
-    assert not alpha_equal(v1, v2)
-
-    assert alpha_equal_commutative(v1, v1)
-
-def test_type_node_incompatible_alpha_equal():
-    v1 = relay.TypeVar('v1', 6)
-    v2 = relay.Var("v2")
-    assert not alpha_equal_commutative(v1, v2)
-
-def test_expr_node_incompatible_alpha_equal():
-    v1 = relay.Var("v1")
-    v2 = relay.PatternVar(relay.Var("v2"))
-    assert not alpha_equal_commutative(v1, v2)
 
 def test_var_alpha_equal():
     v1 = relay.Var("v1")
@@ -705,9 +676,6 @@ def test_fn_attribute():
     test_tensor_type_alpha_equal()
     test_incomplete_type_alpha_equal()
     test_constant_alpha_equal()
-    test_type_node_alpha_equal()
-    test_type_node_incompatible_alpha_equal()
-    test_expr_node_incompatible_alpha_equal()
     test_func_type_alpha_equal()
     test_tuple_type_alpha_equal()
     test_type_relation_alpha_equal()