1 /* 2 * Copyright (C) 2024 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 { main(String[] args)18 public static void main(String[] args) { 19 assertEquals(false, $noinline$testIsEmpty("Hello")); 20 assertEquals(true, $noinline$testIsEmpty("")); 21 } 22 23 // Even though `str` is of type String, we shouldn't have java.lang.String.isEmpty 24 // in the graph since String.IsEmpty is an intrinsic with specialized HIR. 25 26 /// CHECK-START: boolean Main.$noinline$testIsEmpty(java.lang.String) inliner (after) 27 /// CHECK-NOT: method_name:java.lang.String.isEmpty $noinline$testIsEmpty(String str)28 private static boolean $noinline$testIsEmpty(String str) { 29 return $inline$IsEmpty(str); 30 } 31 $inline$IsEmpty(CharSequence chr)32 private static boolean $inline$IsEmpty(CharSequence chr) { 33 return chr.isEmpty(); 34 } 35 assertEquals(boolean expected, boolean actual)36 private static void assertEquals(boolean expected, boolean actual) { 37 if (expected != actual) { 38 throw new AssertionError("Wrong result: " + expected + " != " + actual); 39 } 40 } 41 } 42