1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 
18 public class Main {
19 
assertIntEquals(int expected, int result)20   public static void assertIntEquals(int expected, int result) {
21     if (expected != result) {
22       throw new Error("Expected: " + expected + ", found: " + result);
23     }
24   }
25 
Inline(int x, int y)26   public static int Inline(int x, int y) {
27     int result;
28     if (x <= y) {
29       result = x * y;
30     } else {
31       result = 0;
32     }
33     return result;
34   }
35 
36   /// CHECK-START: int Main.NestedLoop(int, int) inliner (before)
37   /// CHECK-NOT:     Mul
38 
39   /// CHECK-START: int Main.NestedLoop(int, int) inliner (after)
40   /// CHECK:         Mul
41   /// CHECK-NOT:     Mul
42 
NestedLoop(int max_x, int max_y)43   public static int NestedLoop(int max_x, int max_y) {
44     int total = 0;
45     for (int x = 0; x < max_x; ++x) {
46       for (int y = 0; y < max_y; ++y) {
47         total += Inline(x, y);
48       }
49     }
50     return total;
51   }
52 
main(String[] args)53   public static void main(String[] args) {
54     assertIntEquals(0, NestedLoop(1, 1));
55     assertIntEquals(3, NestedLoop(2, 3));
56   }
57 }
58