| /* |
| * 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. |
| */ |
| |
| |
| public class Main { |
| |
| /// CHECK-START: java.lang.Object Main.boundTypeForIf(java.lang.Object) builder (after) |
| /// CHECK: BoundType |
| public static Object boundTypeForIf(Object a) { |
| if (a != null) { |
| return a.toString(); |
| } else { |
| return null; |
| } |
| } |
| |
| /// CHECK-START: java.lang.Object Main.boundTypeForInstanceOf(java.lang.Object) builder (after) |
| /// CHECK: BoundType |
| public static Object boundTypeForInstanceOf(Object a) { |
| if (a instanceof Main) { |
| return (Main)a; |
| } else { |
| return null; |
| } |
| } |
| |
| /// CHECK-START: java.lang.Object Main.noBoundTypeForIf(java.lang.Object) builder (after) |
| /// CHECK-NOT: BoundType |
| public static Object noBoundTypeForIf(Object a) { |
| if (a == null) { |
| return new Object(); |
| } else { |
| return null; |
| } |
| } |
| |
| /// CHECK-START: java.lang.Object Main.noBoundTypeForInstanceOf(java.lang.Object) builder (after) |
| /// CHECK-NOT: BoundType |
| public static Object noBoundTypeForInstanceOf(Object a) { |
| if (a instanceof Main) { |
| return new Object(); |
| } else { |
| return null; |
| } |
| } |
| |
| /// CHECK-START: void Main.boundTypeInLoop(int[]) licm (before) |
| /// CHECK-DAG: <<Param:l\d+>> ParameterValue loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<BoundT:l\d+>> BoundType [<<Param>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArrayLength [<<BoundT>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| |
| /// CHECK-START: void Main.boundTypeInLoop(int[]) licm (after) |
| /// CHECK-DAG: <<Param:l\d+>> ParameterValue loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<BoundT:l\d+>> BoundType [<<Param>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArrayLength [<<BoundT>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-NOT: BoundType |
| |
| /// CHECK-START: void Main.boundTypeInLoop(int[]) loop_optimization (after) |
| /// CHECK-DAG: <<Param:l\d+>> ParameterValue loop:none |
| /// CHECK-DAG: <<BoundTA:l\d+>> BoundType [<<Param>>] loop:none |
| /// CHECK-DAG: ArrayLength [<<BoundTA>>] loop:none |
| /// CHECK-DAG: ArrayGet loop:none |
| /// CHECK-DAG: ArraySet loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<BoundT:l\d+>> BoundType [<<Param>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArrayLength [<<BoundT>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| |
| /// CHECK-START: void Main.boundTypeInLoop(int[]) GVN$after_arch (after) |
| /// CHECK-DAG: <<Param:l\d+>> ParameterValue loop:none |
| /// CHECK-DAG: <<BoundTA:l\d+>> BoundType [<<Param>>] loop:none |
| /// CHECK-DAG: ArrayLength [<<BoundTA>>] loop:none |
| /// CHECK-DAG: ArrayGet loop:none |
| /// CHECK-DAG: ArraySet loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-NOT: BoundType |
| /// CHECK-NOT: ArrayLength |
| private static void boundTypeInLoop(int[] a) { |
| for (int i = 0; a != null && i < a.length; i++) { |
| a[i] += 1; |
| } |
| } |
| |
| // BoundType must not be hoisted by LICM, in this example it leads to ArrayLength being |
| // hoisted as well which is invalid. |
| // |
| /// CHECK-START: void Main.BoundTypeNoLICM(java.lang.Object) licm (before) |
| /// CHECK-DAG: <<Param:l\d+>> ParameterValue loop:none |
| /// CHECK-DAG: SuspendCheck loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Bound1:l\d+>> BoundType [<<Param>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Bound2:l\d+>> BoundType [<<Bound1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArrayLength [<<Bound2>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START: void Main.BoundTypeNoLICM(java.lang.Object) licm (after) |
| /// CHECK-DAG: <<Param:l\d+>> ParameterValue loop:none |
| /// CHECK-DAG: SuspendCheck loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Bound1:l\d+>> BoundType [<<Param>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Bound2:l\d+>> BoundType [<<Bound1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArrayLength [<<Bound2>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-NOT: BoundType loop:none |
| private static void BoundTypeNoLICM(Object obj) { |
| int i = 0; |
| while (obj instanceof int[]) { |
| int[] a = (int[])obj; |
| a[0] = 1; |
| } |
| } |
| |
| public static void main(String[] args) { } |
| } |
