xref: /aosp_15_r20/art/test/583-checker-zero/src/Main.java (revision 795d594fd825385562da6b089ea9b2033f3abf5a)
1*795d594fSAndroid Build Coastguard Worker /*
2*795d594fSAndroid Build Coastguard Worker  * Copyright (C) 2016 The Android Open Source Project
3*795d594fSAndroid Build Coastguard Worker  *
4*795d594fSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*795d594fSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*795d594fSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*795d594fSAndroid Build Coastguard Worker  *
8*795d594fSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*795d594fSAndroid Build Coastguard Worker  *
10*795d594fSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*795d594fSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*795d594fSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*795d594fSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*795d594fSAndroid Build Coastguard Worker  * limitations under the License.
15*795d594fSAndroid Build Coastguard Worker  */
16*795d594fSAndroid Build Coastguard Worker 
17*795d594fSAndroid Build Coastguard Worker public class Main {
18*795d594fSAndroid Build Coastguard Worker   // Test that by inlining new Float(-0f), we still keep the store of
19*795d594fSAndroid Build Coastguard Worker   // -0f to the instance field. We used to remove it due to wrong assumptions
20*795d594fSAndroid Build Coastguard Worker   // around art::HConstant::IsZero (now replaced with
21*795d594fSAndroid Build Coastguard Worker   // art::HConstant::IsArithmeticZero and art::HConstant::IsZeroBitPattern).
22*795d594fSAndroid Build Coastguard Worker 
23*795d594fSAndroid Build Coastguard Worker   /// CHECK-START: void Main.main(java.lang.String[]) inliner (after)
24*795d594fSAndroid Build Coastguard Worker   /// CHECK: InstanceFieldSet
main(String[] args)25*795d594fSAndroid Build Coastguard Worker   public static void main(String[] args) {
26*795d594fSAndroid Build Coastguard Worker     if (new Float(0f).equals(new Float(-0f))) {
27*795d594fSAndroid Build Coastguard Worker       throw new Error("Expected not equal");
28*795d594fSAndroid Build Coastguard Worker     }
29*795d594fSAndroid Build Coastguard Worker   }
30*795d594fSAndroid Build Coastguard Worker }
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