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Diffstat (limited to 'test/572-checker-array-get-regression/src/Main.java')
-rw-r--r-- | test/572-checker-array-get-regression/src/Main.java | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/test/572-checker-array-get-regression/src/Main.java b/test/572-checker-array-get-regression/src/Main.java new file mode 100644 index 0000000000..bc13af9683 --- /dev/null +++ b/test/572-checker-array-get-regression/src/Main.java @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2016 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 { + + public static void main(String[] args) { + System.out.println(test().intValue()); + } + + /// CHECK-START: java.lang.Integer Main.test() ssa_builder (after) + /// CHECK-DAG: <<Method:j\d+>> CurrentMethod + /// CHECK-DAG: <<Const2P20:i\d+>> IntConstant 1048576 + /// CHECK-DAG: <<ConstM1:i\d+>> IntConstant -1 + /// CHECK-DAG: <<Array:l\d+>> NewArray [<<Const2P20>>,<<Method>>] + /// CHECK-DAG: <<NullCheck1:l\d+>> NullCheck [<<Array>>] + /// CHECK-DAG: <<Length1:i\d+>> ArrayLength [<<NullCheck1>>] + /// CHECK-DAG: <<Index:i\d+>> Add [<<Length1>>,<<ConstM1>>] + /// CHECK-DAG: <<NullCheck2:l\d+>> NullCheck [<<Array>>] + /// CHECK-DAG: <<Length2:i\d+>> ArrayLength [<<NullCheck2>>] + /// CHECK-DAG: <<BoundsCheck:i\d+>> BoundsCheck [<<Index>>,<<Length2>>] + /// CHECK-DAG: <<LastElement:l\d+>> ArrayGet [<<NullCheck2>>,<<BoundsCheck>>] + /// CHECK-DAG: Return [<<LastElement>>] + + /// CHECK-START: java.lang.Integer Main.test() register (before) + /// CHECK-DAG: <<Method:j\d+>> CurrentMethod + /// CHECK-DAG: <<Const2P20:i\d+>> IntConstant 1048576 + /// CHECK-DAG: <<Const2P20M1:i\d+>> IntConstant 1048575 + /// CHECK-DAG: <<Array:l\d+>> NewArray [<<Const2P20>>,<<Method>>] + /// CHECK-DAG: <<LastElement:l\d+>> ArrayGet [<<Array>>,<<Const2P20M1>>] + /// CHECK-DAG: Return [<<LastElement>>] + + public static Integer test() { + Integer[] integers = new Integer[1024 * 1024]; + initIntegerArray(integers); + // Array load with a large constant index (after constant folding + // and bounds check elimination). + Integer last_integer = integers[integers.length - 1]; + return last_integer; + } + + public static void initIntegerArray(Integer[] integers) { + for (int i = 0; i < integers.length; ++i) { + integers[i] = new Integer(i); + } + } + +} |