1# Copyright (C) 2015 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15.class public LTestCase;
16.super Ljava/lang/Object;
17
18.method public static $noinline$throw()V
19  .registers 1
20  new-instance v0, Ljava/lang/Exception;
21  invoke-direct {v0}, Ljava/lang/Exception;-><init>()V
22  throw v0
23.end method
24
25# Test storing into the high vreg of a wide pair. This scenario has runtime
26# behaviour implications so we run it from Main.main.
27
28## CHECK-START: int TestCase.invalidateLow(long) builder (after)
29## CHECK-DAG: <<Cst0:i\d+>> IntConstant 0
30## CHECK-DAG: <<Arg:j\d+>>  ParameterValue
31## CHECK-DAG: <<Cast:i\d+>> TypeConversion [<<Arg>>]
32## CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.System.nanoTime env:[[_,<<Cst0>>,<<Arg>>,_]]
33## CHECK-DAG: InvokeStaticOrDirect method_name:TestCase.$noinline$throw  env:[[_,<<Cast>>,<<Arg>>,_]]
34
35.method public static invalidateLow(J)I
36  .registers 4
37
38  const/4 v1, 0x0
39
40  :try_start
41  invoke-static {}, Ljava/lang/System;->nanoTime()J
42  move-wide v0, p0
43  long-to-int v1, v0
44  invoke-static {}, LTestCase;->$noinline$throw()V
45  :try_end
46  .catchall {:try_start .. :try_end} :catchall
47
48  :catchall
49  return v1
50
51.end method
52
53# Test that storing a wide invalidates the value in the high vreg. This
54# cannot be detected from runtime so we only test the environment with Checker.
55
56## CHECK-START: void TestCase.invalidateHigh1(long) builder (after)
57## CHECK-DAG: <<Arg:j\d+>>  ParameterValue
58## CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.System.nanoTime env:[[<<Arg>>,_,<<Arg>>,_]]
59
60.method public static invalidateHigh1(J)V
61  .registers 4
62
63  const/4 v1, 0x0
64  move-wide v0, p0
65  invoke-static {}, Ljava/lang/System;->nanoTime()J
66  return-void
67
68.end method
69
70## CHECK-START: void TestCase.invalidateHigh2(long) builder (after)
71## CHECK-DAG: <<Arg:j\d+>>  ParameterValue
72## CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.System.nanoTime env:[[<<Arg>>,_,_,<<Arg>>,_]]
73
74.method public static invalidateHigh2(J)V
75  .registers 5
76
77  move-wide v1, p0
78  move-wide v0, p0
79  invoke-static {}, Ljava/lang/System;->nanoTime()J
80  return-void
81
82.end method
83