diff options
Diffstat (limited to 'test/466-get-live-vreg/src/Main.java')
-rw-r--r-- | test/466-get-live-vreg/src/Main.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/test/466-get-live-vreg/src/Main.java b/test/466-get-live-vreg/src/Main.java new file mode 100644 index 0000000..3118085 --- /dev/null +++ b/test/466-get-live-vreg/src/Main.java @@ -0,0 +1,70 @@ +/* + * 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 Main() { + } + + static int testLiveArgument(int arg) { + doStaticNativeCallLiveVreg(); + return arg; + } + + static void moveArgToCalleeSave() { + try { + Thread.sleep(0); + } catch (Exception e) { + throw new Error(e); + } + } + + static void testIntervalHole(int arg, boolean test) { + // Move the argument to callee save to ensure it is in + // a readable register. + moveArgToCalleeSave(); + if (test) { + staticField1 = arg; + // The environment use of `arg` should not make it live. + doStaticNativeCallLiveVreg(); + } else { + staticField2 = arg; + // The environment use of `arg` should not make it live. + doStaticNativeCallLiveVreg(); + } + } + + static native void doStaticNativeCallLiveVreg(); + + static { + System.loadLibrary("arttest"); + } + + public static void main(String[] args) { + if (testLiveArgument(42) != 42) { + throw new Error("Expected 42"); + } + + if (testLiveArgument(42) != 42) { + throw new Error("Expected 42"); + } + + testIntervalHole(1, true); + testIntervalHole(1, false); + } + + static int staticField1; + static int staticField2; +} |