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
17.super Ljava/lang/Object;
18
19# The phi in this method has no actual uses but one environment use. It will
20# be eliminated in normal mode but kept live in debuggable mode. Test that
21# Checker runs the correct test for each compilation mode.
22
23## CHECK-START: int TestCase.deadPhi(int, int, int) builder (after)
24## CHECK-NOT:         Phi
25
26## CHECK-START-DEBUGGABLE: int TestCase.deadPhi(int, int, int) builder (after)
27## CHECK:             Phi
28
29.method public static deadPhi(III)I
30  .registers 8
31
32  move v0, p1
33  if-eqz p0, :after
34  move v0, p2
35  :after
36  # v0 = Phi [p1, p2] with no uses
37
38  invoke-static {}, Ljava/lang/System;->nanoTime()J  # create an env use
39
40  :return
41  return p2
42.end method
43