Roland Levillain | f969a20 | 2016-03-09 16:14:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | public class Main { |
| 18 | |
| 19 | /// CHECK-START: void Main.testNewStringFromBytes() builder (after) |
Roland Levillain | f969a20 | 2016-03-09 16:14:00 +0000 | [diff] [blame] | 20 | /// CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.StringFactory.newStringFromBytes intrinsic:StringNewStringFromBytes |
| 21 | |
| 22 | public static void testNewStringFromBytes() { |
| 23 | byte[] bytes = { 'f', 'o', 'o' }; |
| 24 | String s = StringFactory.newStringFromBytes(bytes, 0, 0, 3); |
| 25 | System.out.println(s); |
| 26 | } |
| 27 | |
| 28 | // The (native) method |
| 29 | // |
| 30 | // java.lang.StringFactory.newStringFromChars(int offset, int charCount, char[] data) |
| 31 | // |
| 32 | // is recognized as intrinsic StringNewStringFromChars. However, |
| 33 | // because this method is not public, we cannot call it and check |
| 34 | // that the compiler actually intrinsifies it (as it does for the |
| 35 | // StringNewStringFromBytes and StringNewStringFromString |
| 36 | // intrinsics) with Checker. |
| 37 | // |
| 38 | // We can call a public method such as |
| 39 | // |
| 40 | // java.lang.StringFactory.newStringFromChars(char[] data) |
| 41 | // |
| 42 | // which contains a call to the former (non-public) native method. |
Santiago Aboy Solanes | c3e004d | 2021-11-24 10:29:38 +0000 | [diff] [blame] | 43 | // After the inliner runs, we can see the inlined call and check |
| 44 | // that the compiler intrinsifies it. |
Roland Levillain | f969a20 | 2016-03-09 16:14:00 +0000 | [diff] [blame] | 45 | |
| 46 | /// CHECK-START: void Main.testNewStringFromChars() builder (after) |
| 47 | /// CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.StringFactory.newStringFromChars intrinsic:None |
| 48 | |
Roland Levillain | f969a20 | 2016-03-09 16:14:00 +0000 | [diff] [blame] | 49 | /// CHECK-START: void Main.testNewStringFromChars() inliner (after) |
Santiago Aboy Solanes | c3e004d | 2021-11-24 10:29:38 +0000 | [diff] [blame] | 50 | /// CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.StringFactory.newStringFromChars intrinsic:StringNewStringFromChars |
Roland Levillain | f969a20 | 2016-03-09 16:14:00 +0000 | [diff] [blame] | 51 | |
| 52 | public static void testNewStringFromChars() { |
| 53 | char[] chars = { 'b', 'a', 'r' }; |
| 54 | String s = StringFactory.newStringFromChars(chars); |
| 55 | System.out.println(s); |
| 56 | } |
| 57 | |
| 58 | /// CHECK-START: void Main.testNewStringFromString() builder (after) |
Roland Levillain | f969a20 | 2016-03-09 16:14:00 +0000 | [diff] [blame] | 59 | /// CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.StringFactory.newStringFromString intrinsic:StringNewStringFromString |
| 60 | |
| 61 | public static void testNewStringFromString() { |
| 62 | String s1 = "baz"; |
| 63 | String s2 = StringFactory.newStringFromString(s1); |
| 64 | System.out.println(s2); |
| 65 | } |
| 66 | |
| 67 | public static void main(String[] args) throws Exception { |
| 68 | testNewStringFromBytes(); |
| 69 | testNewStringFromChars(); |
| 70 | testNewStringFromString(); |
| 71 | } |
| 72 | } |