1 /*
 2  * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 package oracle.code.triton;
27 
28 import jdk.incubator.code.TypeElement;
29 import jdk.incubator.code.extern.ExternalizedTypeElement;
30 import java.util.ArrayList;
31 import java.util.List;
32 import java.util.Objects;
33 
34 public final class TensorType extends TritonType {
35     static final String NAME = "tensor";
36 
37     final TypeElement eType;
38     final List<Integer> shape;
39     final int size;
40 
41     public TensorType(TypeElement eType, List<Integer> shape) {
42         this.eType = eType;
43         this.shape = List.copyOf(shape);
44         int s = 1;
45         for (Integer i : shape) {
46             s *= i;
47         }
48         this.size = s;
49     }
50 
51     public TypeElement eType() {
52         return eType;
53     }
54 
55     public List<Integer> shape() {
56         return shape;
57     }
58 
59     public int size() {
60         return size;
61     }
62 
63     @Override
64     public boolean equals(Object o) {
65         if (this == o) return true;
66         if (o == null || getClass() != o.getClass()) return false;
67         TensorType that = (TensorType) o;
68         return Objects.equals(eType, that.eType) && Objects.equals(shape, that.shape);
69     }
70 
71     @Override
72     public int hashCode() {
73         return Objects.hash(eType, shape);
74     }
75 
76     @Override
77     public ExternalizedTypeElement externalize() {
78         List<ExternalizedTypeElement> args = new ArrayList<>();
79         for (int i : shape) {
80             args.add(new ExternalizedTypeElement("x" + i, List.of()));
81         }
82         args.add(eType.externalize());
83         return ExternalizedTypeElement.of(NAME, args);
84     }
85 
86     @Override
87     public String toString() {
88         return externalize().toString();
89     }
90 }