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Diffstat (limited to 'test/537-checker-arraycopy/src/Main.java')
-rw-r--r-- | test/537-checker-arraycopy/src/Main.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/test/537-checker-arraycopy/src/Main.java b/test/537-checker-arraycopy/src/Main.java new file mode 100644 index 0000000000..30ccc56b80 --- /dev/null +++ b/test/537-checker-arraycopy/src/Main.java @@ -0,0 +1,71 @@ +/* + * 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 { + public static void main(String[] args) { + arraycopy(); + try { + arraycopy(new Object()); + throw new Error("Should not be here"); + } catch (ArrayStoreException ase) { + // Ignore. + } + try { + arraycopy(null); + throw new Error("Should not be here"); + } catch (NullPointerException npe) { + // Ignore. + } + + try { + arraycopy(new Object[1]); + throw new Error("Should not be here"); + } catch (ArrayIndexOutOfBoundsException aiooe) { + // Ignore. + } + + arraycopy(new Object[2]); + arraycopy(new Object[2], 0); + + try { + arraycopy(new Object[1], 1); + throw new Error("Should not be here"); + } catch (ArrayIndexOutOfBoundsException aiooe) { + // Ignore. + } + } + + /// CHECK-START-X86_64: void Main.arraycopy() disassembly (after) + /// CHECK: InvokeStaticOrDirect + /// CHECK-NOT: test + /// CHECK-NOT: call + /// CHECK: ReturnVoid + // Checks that the call is intrinsified and that there is no test instruction + // when we know the source and destination are not null. + public static void arraycopy() { + Object[] obj = new Object[4]; + System.arraycopy(obj, 1, obj, 0, 1); + } + + public static void arraycopy(Object obj) { + System.arraycopy(obj, 1, obj, 0, 1); + } + + public static void arraycopy(Object[] obj, int pos) { + System.arraycopy(obj, pos, obj, 0, obj.length); + } +} |