/*
* Copyright ( C ) 2015 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 .
*/
class OtherClass {
static {
a = 42 ;
b = 54 ;
}
static int a;
static int b;
}
public final class Main {
/// CHECK-START: int Main.accessTwoStatics() GVN (before)
/// CHECK-DAG: <<Class1:l\d+>> LoadClass
/// CHECK-DAG: ClinitCheck [<<Class1>>]
/// CHECK-DAG: <<Class2:l\d+>> LoadClass
/// CHECK-DAG: ClinitCheck [<<Class2>>]
/// CHECK-START: int Main.accessTwoStatics() GVN (after)
/// CHECK-DAG: <<Class:l\d+>> LoadClass
/// CHECK-DAG: ClinitCheck [<<Class>>]
/// CHECK-NOT: ClinitCheck
public static int accessTwoStatics() {
return OtherClass.b - OtherClass.a;
}
/// CHECK-START: int Main.accessTwoStaticsCallInBetween() GVN (before)
/// CHECK-DAG: <<Class1:l\d+>> LoadClass
/// CHECK-DAG: ClinitCheck [<<Class1>>]
/// CHECK-DAG: <<Class2:l\d+>> LoadClass
/// CHECK-DAG: ClinitCheck [<<Class2>>]
/// CHECK-START: int Main.accessTwoStaticsCallInBetween() GVN (after)
/// CHECK-DAG: <<Class:l\d+>> LoadClass
/// CHECK-DAG: ClinitCheck [<<Class>>]
/// CHECK-NOT: ClinitCheck
public static int accessTwoStaticsCallInBetween() {
int b = OtherClass.b;
$noinline$foo();
return b - OtherClass.a;
}
public static void $noinline$foo() {
try {
Thread .sleep(0 );
} catch (Exception e) {
throw new Error(e);
}
}
public static void main(String[] args) {
if (accessTwoStatics() != 12 ) {
throw new Error("Expected 12" );
}
if (accessTwoStaticsCallInBetween() != 12 ) {
throw new Error("Expected 12" );
}
}
}
Messung V0.5 in Prozent C=81 H=89 G=84
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-29)
¤
*© Formatika GbR, Deutschland