[turbofan] Change number operations to handle Undefined as well.

test/unittests/compiler/change-lowering-unittest.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/code-stubs.h"
 #include "src/compiler/change-lowering.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/simplified-operator.h"
@@ skipping 133 matching lines @@
 
 
 TARGET_TEST_P(ChangeLoweringCommonTest, ChangeTaggedToInt32WithTaggedSigned) {
   Node* value = Parameter(Type::TaggedSigned());
   Reduction r =
       Reduce(graph()->NewNode(simplified()->ChangeTaggedToInt32(), value));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(), IsChangeSmiToInt32(value));
 }
 
-
-TARGET_TEST_P(ChangeLoweringCommonTest, ChangeTaggedToInt32WithTaggedPointer) {
-  Node* value = Parameter(Type::TaggedPointer());
+TARGET_TEST_P(ChangeLoweringCommonTest, ChangeTaggedToInt32WithTaggedNumber) {
+  Node* value =
+      Parameter(Type::Intersect(Type::TaggedPointer(), Type::Number(), zone()));
   Reduction r =
       Reduce(graph()->NewNode(simplified()->ChangeTaggedToInt32(), value));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(), IsChangeFloat64ToInt32(
                                    IsLoadHeapNumber(value, graph()->start())));
 }
 
 
 TARGET_TEST_P(ChangeLoweringCommonTest, ChangeTaggedToUint32WithTaggedSigned) {
   Node* value = Parameter(Type::TaggedSigned());
   Reduction r =
       Reduce(graph()->NewNode(simplified()->ChangeTaggedToUint32(), value));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(), IsChangeSmiToInt32(value));
 }
 
 
 TARGET_TEST_P(ChangeLoweringCommonTest, ChangeTaggedToUint32WithTaggedPointer) {
-  Node* value = Parameter(Type::TaggedPointer());
+  Node* value =
+      Parameter(Type::Intersect(Type::TaggedPointer(), Type::Number(), zone()));
   Reduction r =
       Reduce(graph()->NewNode(simplified()->ChangeTaggedToUint32(), value));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(), IsChangeFloat64ToUint32(
                                    IsLoadHeapNumber(value, graph()->start())));
 }
 
 
 TARGET_TEST_P(ChangeLoweringCommonTest, StoreFieldSmi) {
   FieldAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
@@ skipping 433 matching lines @@
                       CaptureEq(&branch),
                       IsBranch(IsUint32LessThanOrEqual(
                                    value, IsInt32Constant(Smi::kMaxValue)),
                                graph()->start()))),
                   AllOf(CaptureEq(&if_false), IsIfFalse(CaptureEq(&branch))))));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8