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      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 extends UnresolvedClass {
     18 
     19   /// CHECK-START: float Main.callAbs(float) register (before)
     20   /// CHECK:       <<CurrentMethod:[ij]\d+>> CurrentMethod
     21   /// CHECK:       <<ParamValue:f\d+>> ParameterValue
     22   /// CHECK:       InvokeStaticOrDirect [<<ParamValue>>,<<CurrentMethod>>] method_name:java.lang.Math.abs
     23   static public float callAbs(float f) {
     24     // An intrinsic invoke in a method that has unresolved references will still
     25     // have a CurrentMethod as an argument.  The X86 pc_relative_fixups_x86 pass
     26     // must be able to handle Math.abs invokes that have a CurrentMethod, as both
     27     // the CurrentMethod and the HX86LoadFromConstantTable (for the bitmask)
     28     // expect to be in the 'SpecialInputIndex' input index.
     29     return Math.abs(f);
     30   }
     31 
     32   static public void main(String[] args) {
     33     expectEquals(callAbs(-6.5f), 6.5f);
     34   }
     35 
     36   public static void expectEquals(float expected, float result) {
     37     if (expected != result) {
     38       throw new Error("Expected: " + expected + ", found: " + result);
     39     }
     40   }
     41 }
     42