diff options
Diffstat (limited to 'test/646-checker-arraycopy-large-cst-pos/src/Main.java')
-rw-r--r-- | test/646-checker-arraycopy-large-cst-pos/src/Main.java | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/646-checker-arraycopy-large-cst-pos/src/Main.java b/test/646-checker-arraycopy-large-cst-pos/src/Main.java new file mode 100644 index 0000000000..3144fc18e7 --- /dev/null +++ b/test/646-checker-arraycopy-large-cst-pos/src/Main.java @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2017 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("passed"); + } + + /// CHECK-START-ARM64: void Main.test() disassembly (after) + /// CHECK: InvokeStaticOrDirect method_name:java.lang.System.arraycopy intrinsic:SystemArrayCopy + /// CHECK-NOT: blr + /// CHECK: ReturnVoid + + static void test() { + Object[] src = new Object[1024]; + Object[] dst = new Object[2048]; + // The length of the copied data must not be too large (smaller + // than kSystemArrayCopyThreshold = 128) for the call to + // System.arraycopy to be intrinsified. + System.arraycopy(src, 0, dst, 1024, 64); + } + +} |