1*795d594fSAndroid Build Coastguard Worker# Copyright (C) 2015 The Android Open Source Project 2*795d594fSAndroid Build Coastguard Worker# 3*795d594fSAndroid Build Coastguard Worker# Licensed under the Apache License, Version 2.0 (the "License"); 4*795d594fSAndroid Build Coastguard Worker# you may not use this file except in compliance with the License. 5*795d594fSAndroid Build Coastguard Worker# You may obtain a copy of the License at 6*795d594fSAndroid Build Coastguard Worker# 7*795d594fSAndroid Build Coastguard Worker# http://www.apache.org/licenses/LICENSE-2.0 8*795d594fSAndroid Build Coastguard Worker# 9*795d594fSAndroid Build Coastguard Worker# Unless required by applicable law or agreed to in writing, software 10*795d594fSAndroid Build Coastguard Worker# distributed under the License is distributed on an "AS IS" BASIS, 11*795d594fSAndroid Build Coastguard Worker# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*795d594fSAndroid Build Coastguard Worker# See the License for the specific language governing permissions and 13*795d594fSAndroid Build Coastguard Worker# limitations under the License. 14*795d594fSAndroid Build Coastguard Worker 15*795d594fSAndroid Build Coastguard Worker.class public LTestCase; 16*795d594fSAndroid Build Coastguard Worker 17*795d594fSAndroid Build Coastguard Worker.super Ljava/lang/Object; 18*795d594fSAndroid Build Coastguard Worker 19*795d594fSAndroid Build Coastguard Worker# The phi in this method has no actual uses but one environment use. It will 20*795d594fSAndroid Build Coastguard Worker# be eliminated in normal mode but kept live in debuggable mode. Test that 21*795d594fSAndroid Build Coastguard Worker# Checker runs the correct test for each compilation mode. 22*795d594fSAndroid Build Coastguard Worker 23*795d594fSAndroid Build Coastguard Worker## CHECK-START: int TestCase.deadPhi(int, int, int) builder (after) 24*795d594fSAndroid Build Coastguard Worker## CHECK-NOT: Phi 25*795d594fSAndroid Build Coastguard Worker 26*795d594fSAndroid Build Coastguard Worker## CHECK-START-DEBUGGABLE: int TestCase.deadPhi(int, int, int) builder (after) 27*795d594fSAndroid Build Coastguard Worker## CHECK: Phi 28*795d594fSAndroid Build Coastguard Worker 29*795d594fSAndroid Build Coastguard Worker.method public static deadPhi(III)I 30*795d594fSAndroid Build Coastguard Worker .registers 8 31*795d594fSAndroid Build Coastguard Worker 32*795d594fSAndroid Build Coastguard Worker move v0, p1 33*795d594fSAndroid Build Coastguard Worker if-eqz p0, :after 34*795d594fSAndroid Build Coastguard Worker move v0, p2 35*795d594fSAndroid Build Coastguard Worker :after 36*795d594fSAndroid Build Coastguard Worker # v0 = Phi [p1, p2] with no uses 37*795d594fSAndroid Build Coastguard Worker 38*795d594fSAndroid Build Coastguard Worker invoke-static {}, Ljava/lang/System;->nanoTime()J # create an env use 39*795d594fSAndroid Build Coastguard Worker 40*795d594fSAndroid Build Coastguard Worker :return 41*795d594fSAndroid Build Coastguard Worker return p2 42*795d594fSAndroid Build Coastguard Worker.end method 43