| /* |
| * Copyright (C) 2017 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 static void assertByteEquals(byte expected, byte result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| |
| public static void assertShortEquals(short expected, short result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| |
| public static void assertIntEquals(int expected, int result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| |
| public static void assertLongEquals(long expected, long result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| |
| public static void assertCharEquals(char expected, char result) { |
| if (expected != result) { |
| // Values are cast to int to display numeric values instead of |
| // (UTF-16 encoded) characters. |
| throw new Error("Expected: " + (int)expected + ", found: " + (int)result); |
| } |
| } |
| |
| /// CHECK-START: byte Main.getByte1() constant_folding (before) |
| /// CHECK: TypeConversion |
| /// CHECK: TypeConversion |
| /// CHECK: Add |
| /// CHECK: TypeConversion |
| |
| /// CHECK-START: byte Main.getByte1() constant_folding (after) |
| /// CHECK-NOT: TypeConversion |
| /// CHECK-NOT: Add |
| |
| static byte getByte1() { |
| int i = -2; |
| int j = -3; |
| return (byte)((byte)i + (byte)j); |
| } |
| |
| /// CHECK-START: byte Main.getByte2() constant_folding (before) |
| /// CHECK: TypeConversion |
| /// CHECK: TypeConversion |
| /// CHECK: Add |
| /// CHECK: TypeConversion |
| |
| /// CHECK-START: byte Main.getByte2() constant_folding (after) |
| /// CHECK-NOT: TypeConversion |
| /// CHECK-NOT: Add |
| |
| static byte getByte2() { |
| int i = -100; |
| int j = -101; |
| return (byte)((byte)i + (byte)j); |
| } |
| |
| /// CHECK-START: byte Main.getByte3() constant_folding (before) |
| /// CHECK: TypeConversion |
| /// CHECK: TypeConversion |
| /// CHECK: Add |
| /// CHECK: TypeConversion |
| |
| /// CHECK-START: byte Main.getByte2() constant_folding (after) |
| /// CHECK-NOT: TypeConversion |
| /// CHECK-NOT: Add |
| |
| static byte getByte3() { |
| long i = 0xabcdabcdabcdL; |
| return (byte)((byte)i + (byte)i); |
| } |
| |
| static byte byteVal = -1; |
| static short shortVal = -1; |
| static char charVal = 0xffff; |
| static int intVal = -1; |
| |
| static byte[] byteArr = { 0 }; |
| static short[] shortArr = { 0 }; |
| static char[] charArr = { 0 }; |
| static int[] intArr = { 0 }; |
| |
| static byte $noinline$getByte() { |
| return byteVal; |
| } |
| |
| static short $noinline$getShort() { |
| return shortVal; |
| } |
| |
| static char $noinline$getChar() { |
| return charVal; |
| } |
| |
| static int $noinline$getInt() { |
| return intVal; |
| } |
| |
| static boolean sFlag = true; |
| |
| /// CHECK-START: void Main.byteToShort() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void byteToShort() { |
| shortArr[0] = 0; |
| if (sFlag) { |
| shortArr[0] = $noinline$getByte(); |
| } |
| } |
| |
| /// CHECK-START: void Main.byteToChar() instruction_simplifier$before_codegen (after) |
| /// CHECK: TypeConversion |
| private static void byteToChar() { |
| charArr[0] = 0; |
| if (sFlag) { |
| charArr[0] = (char)$noinline$getByte(); |
| } |
| } |
| |
| /// CHECK-START: void Main.byteToInt() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void byteToInt() { |
| intArr[0] = 0; |
| if (sFlag) { |
| intArr[0] = $noinline$getByte(); |
| } |
| } |
| |
| /// CHECK-START: void Main.charToByte() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void charToByte() { |
| byteArr[0] = 0; |
| if (sFlag) { |
| byteArr[0] = (byte)$noinline$getChar(); |
| } |
| } |
| |
| /// CHECK-START: void Main.charToShort() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void charToShort() { |
| shortArr[0] = 0; |
| if (sFlag) { |
| shortArr[0] = (short)$noinline$getChar(); |
| } |
| } |
| |
| /// CHECK-START: void Main.charToInt() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void charToInt() { |
| intArr[0] = 0; |
| if (sFlag) { |
| intArr[0] = $noinline$getChar(); |
| } |
| } |
| |
| /// CHECK-START: void Main.shortToByte() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void shortToByte() { |
| byteArr[0] = 0; |
| if (sFlag) { |
| byteArr[0] = (byte)$noinline$getShort(); |
| } |
| } |
| |
| /// CHECK-START: void Main.shortToChar() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void shortToChar() { |
| charArr[0] = 0; |
| if (sFlag) { |
| charArr[0] = (char)$noinline$getShort(); |
| } |
| } |
| |
| /// CHECK-START: void Main.shortToInt() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void shortToInt() { |
| intArr[0] = 0; |
| if (sFlag) { |
| intArr[0] = $noinline$getShort(); |
| } |
| } |
| |
| /// CHECK-START: void Main.intToByte() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void intToByte() { |
| byteArr[0] = 0; |
| if (sFlag) { |
| byteArr[0] = (byte)$noinline$getInt(); |
| } |
| } |
| |
| /// CHECK-START: void Main.intToShort() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void intToShort() { |
| shortArr[0] = 0; |
| if (sFlag) { |
| shortArr[0] = (short)$noinline$getInt(); |
| } |
| } |
| |
| /// CHECK-START: void Main.intToChar() instruction_simplifier$before_codegen (after) |
| /// CHECK-NOT: TypeConversion |
| private static void intToChar() { |
| charArr[0] = 0; |
| if (sFlag) { |
| charArr[0] = (char)$noinline$getInt(); |
| } |
| } |
| |
| public static void main(String[] args) { |
| assertByteEquals(getByte1(), (byte)-5); |
| assertByteEquals(getByte2(), (byte)(-201)); |
| assertByteEquals(getByte3(), (byte)(0xcd + 0xcd)); |
| |
| byteToShort(); |
| assertShortEquals(shortArr[0], (short)-1); |
| byteToChar(); |
| assertCharEquals(charArr[0], (char)-1); |
| byteToInt(); |
| assertIntEquals(intArr[0], -1); |
| charToByte(); |
| assertByteEquals(byteArr[0], (byte)-1); |
| charToShort(); |
| assertShortEquals(shortArr[0], (short)-1); |
| charToInt(); |
| assertIntEquals(intArr[0], 0xffff); |
| shortToByte(); |
| assertByteEquals(byteArr[0], (byte)-1); |
| shortToChar(); |
| assertCharEquals(charArr[0], (char)-1); |
| shortToInt(); |
| assertIntEquals(intArr[0], -1); |
| intToByte(); |
| assertByteEquals(byteArr[0], (byte)-1); |
| intToShort(); |
| assertShortEquals(shortArr[0], (short)-1); |
| intToChar(); |
| assertCharEquals(charArr[0], (char)-1); |
| } |
| } |