/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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public class Main {
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/// CHECK-START: int Main.bar(Main) inliner (before)
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/// CHECK: InvokeVirtual
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/// CHECK: InvokeVirtual
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/// CHECK-START: int Main.bar(Main) inliner (after)
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/// CHECK-NOT: InvokeVirtual
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public static int bar(Main m) {
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if (m.getClass() == Main.class) {
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return m.foo();
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}
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return 4;
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}
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public int foo() {
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return 42;
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}
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/// CHECK-START: boolean Main.classEquality1() instruction_simplifier$after_inlining (before)
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/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
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/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
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/// CHECK-DAG: <<Eq:z\d+>> {{Equal|NotEqual}}
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/// CHECK-DAG: If [<<Eq>>]
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/// CHECK-DAG: <<Phi:i\d+>> Phi [<<Const1>>,<<Const0>>]
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/// CHECK-DAG: Return [<<Phi>>]
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/// CHECK-START: boolean Main.classEquality1() dead_code_elimination$after_inlining (after)
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/// CHECK-DAG: <<Constant:i\d+>> IntConstant 1
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/// CHECK-DAG: Return [<<Constant>>]
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public static boolean classEquality1() {
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return new Main().getClass() == Main.class;
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}
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/// CHECK-START: boolean Main.classEquality2() instruction_simplifier$after_inlining (before)
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/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
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/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
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/// CHECK-DAG: <<Eq:z\d+>> {{Equal|NotEqual}}
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/// CHECK-DAG: If [<<Eq>>]
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/// CHECK-DAG: <<Phi:i\d+>> Phi [<<Const1>>,<<Const0>>]
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/// CHECK-DAG: Return [<<Phi>>]
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/// CHECK-START: boolean Main.classEquality2() dead_code_elimination$after_inlining (after)
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/// CHECK-DAG: <<Constant:i\d+>> IntConstant 0
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/// CHECK-DAG: Return [<<Constant>>]
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public static boolean classEquality2() {
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Object o = new SubMain();
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return o.getClass() == Main.class;
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}
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/// CHECK-START: boolean Main.classEquality3() instruction_simplifier$after_inlining (before)
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/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
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/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
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/// CHECK-DAG: <<Eq:z\d+>> {{Equal|NotEqual}}
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/// CHECK-DAG: If [<<Eq>>]
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/// CHECK-DAG: <<Phi:i\d+>> Phi [<<Const1>>,<<Const0>>]
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/// CHECK-DAG: Return [<<Phi>>]
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/// CHECK-START: boolean Main.classEquality3() dead_code_elimination$after_inlining (after)
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/// CHECK-DAG: <<Constant:i\d+>> IntConstant 0
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/// CHECK-DAG: Return [<<Constant>>]
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public static boolean classEquality3() {
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return new Main().getClass() != Main.class;
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}
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/// CHECK-START: boolean Main.classEquality4() instruction_simplifier$after_inlining (before)
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/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
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/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
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/// CHECK-DAG: <<Eq:z\d+>> {{Equal|NotEqual}}
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/// CHECK-DAG: If [<<Eq>>]
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/// CHECK-DAG: <<Phi:i\d+>> Phi [<<Const1>>,<<Const0>>]
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/// CHECK-DAG: Return [<<Phi>>]
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/// CHECK-START: boolean Main.classEquality4() dead_code_elimination$after_inlining (after)
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/// CHECK-DAG: <<Constant:i\d+>> IntConstant 1
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/// CHECK-DAG: Return [<<Constant>>]
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public static boolean classEquality4() {
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Object o = new SubMain();
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return o.getClass() != Main.class;
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}
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public static void main(String[] args) {
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int actual = bar(new Main());
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if (actual != 42) {
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throw new Error("Expected 42, got " + actual);
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}
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actual = bar(new SubMain());
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if (actual != 4) {
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throw new Error("Expected 4, got " + actual);
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}
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}
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}
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class SubMain extends Main {
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}
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