1 /*
   2  * Copyright (c) 2016, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.microbenchmarks.lir;
  24 
  25 import java.util.HashMap;
  26 
  27 import org.openjdk.jmh.annotations.Benchmark;
  28 
  29 import org.graalvm.compiler.lir.gen.LIRGenerationResult;
  30 import org.graalvm.compiler.lir.phases.LIRSuites;
  31 import org.graalvm.compiler.microbenchmarks.graal.GraalBenchmark;
  32 import org.graalvm.compiler.microbenchmarks.graal.util.MethodSpec;
  33 
  34 public class RegisterAllocationTimeBenchmark extends GraalBenchmark {
  35 
  36     // Checkstyle: stop method name check
  37     public static class LSRA_Allocation extends GraalCompilerState.AllocationStage {
  38         @SuppressWarnings("try")
  39         @Override
  40         protected LIRSuites createLIRSuites() {
  41             return super.createLIRSuites();
  42         }
  43     }
  44 
  45     @MethodSpec(declaringClass = String.class, name = "equals")
  46     public static class LSRA_StringEquals extends LSRA_Allocation {
  47     }
  48 
  49     @MethodSpec(declaringClass = HashMap.class, name = "computeIfAbsent")
  50     public static class LSRA_HashMapComputeIfAbsent extends LSRA_Allocation {
  51     }
  52 
  53     @Benchmark
  54     public LIRGenerationResult lsra_STRING_equals(LSRA_StringEquals s) {
  55         return s.compile();
  56     }
  57 
  58     @Benchmark
  59     public LIRGenerationResult lsra_HASHMAP_computeIfAbsent(LSRA_HashMapComputeIfAbsent s) {
  60         return s.compile();
  61     }
  62 
  63     public static class TraceRA_Allocation extends GraalCompilerState.AllocationStage {
  64         @SuppressWarnings("try")
  65         @Override
  66         protected LIRSuites createLIRSuites() {
  67             return super.createLIRSuites();
  68         }
  69     }
  70 
  71     @MethodSpec(declaringClass = String.class, name = "equals")
  72     public static class TraceRA_StringEquals extends TraceRA_Allocation {
  73     }
  74 
  75     @MethodSpec(declaringClass = HashMap.class, name = "computeIfAbsent")
  76     public static class TraceRA_HashMapComputeIfAbsent extends TraceRA_Allocation {
  77     }
  78 
  79     @Benchmark
  80     public LIRGenerationResult tracera_STRING_equals(TraceRA_StringEquals s) {
  81         return s.compile();
  82     }
  83 
  84     @Benchmark
  85     public LIRGenerationResult tracera_HASHMAP_computeIfAbsent(TraceRA_HashMapComputeIfAbsent s) {
  86         return s.compile();
  87     }
  88     // Checkstyle: resume method name check
  89 }