73 lines
2.8 KiB
Java
73 lines
2.8 KiB
Java
/*
|
|
* Copyright (C) 2016 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
public class Main {
|
|
|
|
/// CHECK-START: void Main.testNewStringFromBytes() builder (after)
|
|
/// CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.StringFactory.newStringFromBytes intrinsic:StringNewStringFromBytes
|
|
|
|
public static void testNewStringFromBytes() {
|
|
byte[] bytes = { 'f', 'o', 'o' };
|
|
String s = StringFactory.newStringFromBytes(bytes, 0, 0, 3);
|
|
System.out.println(s);
|
|
}
|
|
|
|
// The (native) method
|
|
//
|
|
// java.lang.StringFactory.newStringFromChars(int offset, int charCount, char[] data)
|
|
//
|
|
// is recognized as intrinsic StringNewStringFromChars. However,
|
|
// because this method is not public, we cannot call it and check
|
|
// that the compiler actually intrinsifies it (as it does for the
|
|
// StringNewStringFromBytes and StringNewStringFromString
|
|
// intrinsics) with Checker.
|
|
//
|
|
// We can call a public method such as
|
|
//
|
|
// java.lang.StringFactory.newStringFromChars(char[] data)
|
|
//
|
|
// which contains a call to the former (non-public) native method.
|
|
// After the inliner runs, we can see the inlined call and check
|
|
// that the compiler intrinsifies it.
|
|
|
|
/// CHECK-START: void Main.testNewStringFromChars() builder (after)
|
|
/// CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.StringFactory.newStringFromChars intrinsic:None
|
|
|
|
/// CHECK-START: void Main.testNewStringFromChars() inliner (after)
|
|
/// CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.StringFactory.newStringFromChars intrinsic:StringNewStringFromChars
|
|
|
|
public static void testNewStringFromChars() {
|
|
char[] chars = { 'b', 'a', 'r' };
|
|
String s = StringFactory.newStringFromChars(chars);
|
|
System.out.println(s);
|
|
}
|
|
|
|
/// CHECK-START: void Main.testNewStringFromString() builder (after)
|
|
/// CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.StringFactory.newStringFromString intrinsic:StringNewStringFromString
|
|
|
|
public static void testNewStringFromString() {
|
|
String s1 = "baz";
|
|
String s2 = StringFactory.newStringFromString(s1);
|
|
System.out.println(s2);
|
|
}
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
testNewStringFromBytes();
|
|
testNewStringFromChars();
|
|
testNewStringFromString();
|
|
}
|
|
}
|