/* * Copyright (C) 2015 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. */ import java.lang.reflect.Method; public class Main { public static void assertBooleanEquals(boolean expected, boolean 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 assertFloatEquals(float expected, float result) { if (expected != result) { throw new Error("Expected: " + expected + ", found: " + result); } } public static void assertDoubleEquals(double expected, double result) { if (expected != result) { throw new Error("Expected: " + expected + ", found: " + result); } } public static void assertStringEquals(String expected, String result) { if (expected == null ? result != null : !expected.equals(result)) { throw new Error("Expected: " + expected + ", found: " + result); } } /** * Tiny programs exercising optimizations of arithmetic identities. */ /// CHECK-START: long Main.$noinline$Add0(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const0:j\d+>> LongConstant 0 /// CHECK-DAG: <<Add:j\d+>> Add [<<Const0>>,<<Arg>>] /// CHECK-DAG: Return [<<Add>>] /// CHECK-START: long Main.$noinline$Add0(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$Add0(long) instruction_simplifier (after) /// CHECK-NOT: Add public static long $noinline$Add0(long arg) { return 0 + arg; } /// CHECK-START: int Main.$noinline$AddAddSubAddConst(int) instruction_simplifier (before) /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 /// CHECK-DAG: <<Const2:i\d+>> IntConstant 2 /// CHECK-DAG: <<ConstM3:i\d+>> IntConstant -3 /// CHECK-DAG: <<Const4:i\d+>> IntConstant 4 /// CHECK-DAG: <<Add1:i\d+>> Add [<<ArgValue>>,<<Const1>>] /// CHECK-DAG: <<Add2:i\d+>> Add [<<Add1>>,<<Const2>>] /// CHECK-DAG: <<Add3:i\d+>> Add [<<Add2>>,<<ConstM3>>] /// CHECK-DAG: <<Add4:i\d+>> Add [<<Add3>>,<<Const4>>] /// CHECK-DAG: Return [<<Add4>>] /// CHECK-START: int Main.$noinline$AddAddSubAddConst(int) instruction_simplifier (after) /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue /// CHECK-DAG: <<Const4:i\d+>> IntConstant 4 /// CHECK-DAG: <<Add:i\d+>> Add [<<ArgValue>>,<<Const4>>] /// CHECK-DAG: Return [<<Add>>] public static int $noinline$AddAddSubAddConst(int arg) { return arg + 1 + 2 - 3 + 4; } /// CHECK-START: int Main.$noinline$AndAllOnes(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<ConstF:i\d+>> IntConstant -1 /// CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<ConstF>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$AndAllOnes(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: int Main.$noinline$AndAllOnes(int) instruction_simplifier (after) /// CHECK-NOT: And public static int $noinline$AndAllOnes(int arg) { return arg & -1; } /// CHECK-START: int Main.$noinline$UShr28And15(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const28:i\d+>> IntConstant 28 /// CHECK-DAG: <<Const15:i\d+>> IntConstant 15 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const28>>] /// CHECK-DAG: <<And:i\d+>> And [<<UShr>>,<<Const15>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$UShr28And15(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const28:i\d+>> IntConstant 28 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const28>>] /// CHECK-DAG: Return [<<UShr>>] /// CHECK-START: int Main.$noinline$UShr28And15(int) instruction_simplifier (after) /// CHECK-NOT: And public static int $noinline$UShr28And15(int arg) { return (arg >>> 28) & 15; } /// CHECK-START: long Main.$noinline$UShr60And15(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const60:i\d+>> IntConstant 60 /// CHECK-DAG: <<Const15:j\d+>> LongConstant 15 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const60>>] /// CHECK-DAG: <<And:j\d+>> And [<<UShr>>,<<Const15>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: long Main.$noinline$UShr60And15(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const60:i\d+>> IntConstant 60 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const60>>] /// CHECK-DAG: Return [<<UShr>>] /// CHECK-START: long Main.$noinline$UShr60And15(long) instruction_simplifier (after) /// CHECK-NOT: And public static long $noinline$UShr60And15(long arg) { return (arg >>> 60) & 15; } /// CHECK-START: int Main.$noinline$UShr28And7(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const28:i\d+>> IntConstant 28 /// CHECK-DAG: <<Const7:i\d+>> IntConstant 7 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const28>>] /// CHECK-DAG: <<And:i\d+>> And [<<UShr>>,<<Const7>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$UShr28And7(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const28:i\d+>> IntConstant 28 /// CHECK-DAG: <<Const7:i\d+>> IntConstant 7 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const28>>] /// CHECK-DAG: <<And:i\d+>> And [<<UShr>>,<<Const7>>] /// CHECK-DAG: Return [<<And>>] public static int $noinline$UShr28And7(int arg) { return (arg >>> 28) & 7; } /// CHECK-START: long Main.$noinline$UShr60And7(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const60:i\d+>> IntConstant 60 /// CHECK-DAG: <<Const7:j\d+>> LongConstant 7 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const60>>] /// CHECK-DAG: <<And:j\d+>> And [<<UShr>>,<<Const7>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: long Main.$noinline$UShr60And7(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const60:i\d+>> IntConstant 60 /// CHECK-DAG: <<Const7:j\d+>> LongConstant 7 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const60>>] /// CHECK-DAG: <<And:j\d+>> And [<<UShr>>,<<Const7>>] /// CHECK-DAG: Return [<<And>>] public static long $noinline$UShr60And7(long arg) { return (arg >>> 60) & 7; } /// CHECK-START: int Main.$noinline$Shr24And255(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const24:i\d+>> IntConstant 24 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Arg>>,<<Const24>>] /// CHECK-DAG: <<And:i\d+>> And [<<Shr>>,<<Const255>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$Shr24And255(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const24:i\d+>> IntConstant 24 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const24>>] /// CHECK-DAG: Return [<<UShr>>] /// CHECK-START: int Main.$noinline$Shr24And255(int) instruction_simplifier (after) /// CHECK-NOT: Shr /// CHECK-NOT: And public static int $noinline$Shr24And255(int arg) { return (arg >> 24) & 255; } /// CHECK-START: int Main.$noinline$Shr25And127(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const25:i\d+>> IntConstant 25 /// CHECK-DAG: <<Const127:i\d+>> IntConstant 127 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Arg>>,<<Const25>>] /// CHECK-DAG: <<And:i\d+>> And [<<Shr>>,<<Const127>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$Shr25And127(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const25:i\d+>> IntConstant 25 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const25>>] /// CHECK-DAG: Return [<<UShr>>] /// CHECK-START: int Main.$noinline$Shr25And127(int) instruction_simplifier (after) /// CHECK-NOT: Shr /// CHECK-NOT: And public static int $noinline$Shr25And127(int arg) { return (arg >> 25) & 127; } /// CHECK-START: long Main.$noinline$Shr56And255(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const56:i\d+>> IntConstant 56 /// CHECK-DAG: <<Const255:j\d+>> LongConstant 255 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const56>>] /// CHECK-DAG: <<And:j\d+>> And [<<Shr>>,<<Const255>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: long Main.$noinline$Shr56And255(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const56:i\d+>> IntConstant 56 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const56>>] /// CHECK-DAG: Return [<<UShr>>] /// CHECK-START: long Main.$noinline$Shr56And255(long) instruction_simplifier (after) /// CHECK-NOT: Shr /// CHECK-NOT: And public static long $noinline$Shr56And255(long arg) { return (arg >> 56) & 255; } /// CHECK-START: long Main.$noinline$Shr57And127(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const57:i\d+>> IntConstant 57 /// CHECK-DAG: <<Const127:j\d+>> LongConstant 127 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const57>>] /// CHECK-DAG: <<And:j\d+>> And [<<Shr>>,<<Const127>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: long Main.$noinline$Shr57And127(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const57:i\d+>> IntConstant 57 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const57>>] /// CHECK-DAG: Return [<<UShr>>] /// CHECK-START: long Main.$noinline$Shr57And127(long) instruction_simplifier (after) /// CHECK-NOT: Shr /// CHECK-NOT: And public static long $noinline$Shr57And127(long arg) { return (arg >> 57) & 127; } /// CHECK-START: int Main.$noinline$Shr24And127(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const24:i\d+>> IntConstant 24 /// CHECK-DAG: <<Const127:i\d+>> IntConstant 127 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Arg>>,<<Const24>>] /// CHECK-DAG: <<And:i\d+>> And [<<Shr>>,<<Const127>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$Shr24And127(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const24:i\d+>> IntConstant 24 /// CHECK-DAG: <<Const127:i\d+>> IntConstant 127 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Arg>>,<<Const24>>] /// CHECK-DAG: <<And:i\d+>> And [<<Shr>>,<<Const127>>] /// CHECK-DAG: Return [<<And>>] public static int $noinline$Shr24And127(int arg) { return (arg >> 24) & 127; } /// CHECK-START: long Main.$noinline$Shr56And127(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const56:i\d+>> IntConstant 56 /// CHECK-DAG: <<Const127:j\d+>> LongConstant 127 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const56>>] /// CHECK-DAG: <<And:j\d+>> And [<<Shr>>,<<Const127>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: long Main.$noinline$Shr56And127(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const56:i\d+>> IntConstant 56 /// CHECK-DAG: <<Const127:j\d+>> LongConstant 127 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const56>>] /// CHECK-DAG: <<And:j\d+>> And [<<Shr>>,<<Const127>>] /// CHECK-DAG: Return [<<And>>] public static long $noinline$Shr56And127(long arg) { return (arg >> 56) & 127; } /// CHECK-START: long Main.$noinline$Div1(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const1:j\d+>> LongConstant 1 /// CHECK-DAG: <<Div:j\d+>> Div [<<Arg>>,<<Const1>>] /// CHECK-DAG: Return [<<Div>>] /// CHECK-START: long Main.$noinline$Div1(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$Div1(long) instruction_simplifier (after) /// CHECK-NOT: Div public static long $noinline$Div1(long arg) { return arg / 1; } /// CHECK-START: int Main.$noinline$DivN1(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<ConstN1:i\d+>> IntConstant -1 /// CHECK-DAG: <<Div:i\d+>> Div [<<Arg>>,<<ConstN1>>] /// CHECK-DAG: Return [<<Div>>] /// CHECK-START: int Main.$noinline$DivN1(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg>>] /// CHECK-DAG: Return [<<Neg>>] /// CHECK-START: int Main.$noinline$DivN1(int) instruction_simplifier (after) /// CHECK-NOT: Div public static int $noinline$DivN1(int arg) { return arg / -1; } /// CHECK-START: long Main.$noinline$Mul1(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const1:j\d+>> LongConstant 1 /// CHECK-DAG: <<Mul:j\d+>> Mul [<<Const1>>,<<Arg>>] /// CHECK-DAG: Return [<<Mul>>] /// CHECK-START: long Main.$noinline$Mul1(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$Mul1(long) instruction_simplifier (after) /// CHECK-NOT: Mul public static long $noinline$Mul1(long arg) { return arg * 1; } /// CHECK-START: int Main.$noinline$MulN1(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<ConstN1:i\d+>> IntConstant -1 /// CHECK-DAG: <<Mul:i\d+>> Mul [<<Arg>>,<<ConstN1>>] /// CHECK-DAG: Return [<<Mul>>] /// CHECK-START: int Main.$noinline$MulN1(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg>>] /// CHECK-DAG: Return [<<Neg>>] /// CHECK-START: int Main.$noinline$MulN1(int) instruction_simplifier (after) /// CHECK-NOT: Mul public static int $noinline$MulN1(int arg) { return arg * -1; } /// CHECK-START: long Main.$noinline$MulPowerOfTwo128(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const128:j\d+>> LongConstant 128 /// CHECK-DAG: <<Mul:j\d+>> Mul [<<Const128>>,<<Arg>>] /// CHECK-DAG: Return [<<Mul>>] /// CHECK-START: long Main.$noinline$MulPowerOfTwo128(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const7:i\d+>> IntConstant 7 /// CHECK-DAG: <<Shl:j\d+>> Shl [<<Arg>>,<<Const7>>] /// CHECK-DAG: Return [<<Shl>>] /// CHECK-START: long Main.$noinline$MulPowerOfTwo128(long) instruction_simplifier (after) /// CHECK-NOT: Mul public static long $noinline$MulPowerOfTwo128(long arg) { return arg * 128; } /// CHECK-START: long Main.$noinline$MulMulMulConst(long) instruction_simplifier (before) /// CHECK-DAG: <<ArgValue:j\d+>> ParameterValue /// CHECK-DAG: <<Const10:j\d+>> LongConstant 10 /// CHECK-DAG: <<Const11:j\d+>> LongConstant 11 /// CHECK-DAG: <<Const12:j\d+>> LongConstant 12 /// CHECK-DAG: <<Mul1:j\d+>> Mul [<<Const10>>,<<ArgValue>>] /// CHECK-DAG: <<Mul2:j\d+>> Mul [<<Mul1>>,<<Const11>>] /// CHECK-DAG: <<Mul3:j\d+>> Mul [<<Mul2>>,<<Const12>>] /// CHECK-DAG: Return [<<Mul3>>] /// CHECK-START: long Main.$noinline$MulMulMulConst(long) instruction_simplifier (after) /// CHECK-DAG: <<ArgValue:j\d+>> ParameterValue /// CHECK-DAG: <<Const1320:j\d+>> LongConstant 1320 /// CHECK-DAG: <<Mul:j\d+>> Mul [<<ArgValue>>,<<Const1320>>] /// CHECK-DAG: Return [<<Mul>>] public static long $noinline$MulMulMulConst(long arg) { return 10 * arg * 11 * 12; } /// CHECK-START: int Main.$noinline$Or0(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Or:i\d+>> Or [<<Arg>>,<<Const0>>] /// CHECK-DAG: Return [<<Or>>] /// CHECK-START: int Main.$noinline$Or0(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: int Main.$noinline$Or0(int) instruction_simplifier (after) /// CHECK-NOT: Or public static int $noinline$Or0(int arg) { return arg | 0; } /// CHECK-START: long Main.$noinline$OrSame(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Or:j\d+>> Or [<<Arg>>,<<Arg>>] /// CHECK-DAG: Return [<<Or>>] /// CHECK-START: long Main.$noinline$OrSame(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$OrSame(long) instruction_simplifier (after) /// CHECK-NOT: Or public static long $noinline$OrSame(long arg) { return arg | arg; } /// CHECK-START: int Main.$noinline$Shl0(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Arg>>,<<Const0>>] /// CHECK-DAG: Return [<<Shl>>] /// CHECK-START: int Main.$noinline$Shl0(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: int Main.$noinline$Shl0(int) instruction_simplifier (after) /// CHECK-NOT: Shl public static int $noinline$Shl0(int arg) { return arg << 0; } /// CHECK-START: long Main.$noinline$Shr0(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const0>>] /// CHECK-DAG: Return [<<Shr>>] /// CHECK-START: long Main.$noinline$Shr0(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$Shr0(long) instruction_simplifier (after) /// CHECK-NOT: Shr public static long $noinline$Shr0(long arg) { return arg >> 0; } /// CHECK-START: long Main.$noinline$Shr64(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const64:i\d+>> IntConstant 64 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const64>>] /// CHECK-DAG: Return [<<Shr>>] /// CHECK-START: long Main.$noinline$Shr64(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$Shr64(long) instruction_simplifier (after) /// CHECK-NOT: Shr public static long $noinline$Shr64(long arg) { return arg >> 64; } /// CHECK-START: long Main.$noinline$Sub0(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const0:j\d+>> LongConstant 0 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Arg>>,<<Const0>>] /// CHECK-DAG: Return [<<Sub>>] /// CHECK-START: long Main.$noinline$Sub0(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$Sub0(long) instruction_simplifier (after) /// CHECK-NOT: Sub public static long $noinline$Sub0(long arg) { return arg - 0; } /// CHECK-START: int Main.$noinline$SubAliasNeg(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const0>>,<<Arg>>] /// CHECK-DAG: Return [<<Sub>>] /// CHECK-START: int Main.$noinline$SubAliasNeg(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg>>] /// CHECK-DAG: Return [<<Neg>>] /// CHECK-START: int Main.$noinline$SubAliasNeg(int) instruction_simplifier (after) /// CHECK-NOT: Sub public static int $noinline$SubAliasNeg(int arg) { return 0 - arg; } /// CHECK-START: int Main.$noinline$SubAddConst1(int) instruction_simplifier (before) /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue /// CHECK-DAG: <<Const5:i\d+>> IntConstant 5 /// CHECK-DAG: <<Const6:i\d+>> IntConstant 6 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const5>>,<<ArgValue>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Sub>>,<<Const6>>] /// CHECK-DAG: Return [<<Add>>] /// CHECK-START: int Main.$noinline$SubAddConst1(int) instruction_simplifier (after) /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue /// CHECK-DAG: <<Const11:i\d+>> IntConstant 11 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const11>>,<<ArgValue>>] /// CHECK-DAG: Return [<<Sub>>] public static int $noinline$SubAddConst1(int arg) { return 5 - arg + 6; } /// CHECK-START: int Main.$noinline$SubAddConst2(int) instruction_simplifier (before) /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue /// CHECK-DAG: <<Const14:i\d+>> IntConstant 14 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Add:i\d+>> Add [<<ArgValue>>,<<Const13>>] /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const14>>,<<Add>>] /// CHECK-DAG: Return [<<Sub>>] /// CHECK-START: int Main.$noinline$SubAddConst2(int) instruction_simplifier (after) /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const1>>,<<ArgValue>>] /// CHECK-DAG: Return [<<Sub>>] public static int $noinline$SubAddConst2(int arg) { return 14 - (arg + 13); } /// CHECK-START: long Main.$noinline$SubSubConst(long) instruction_simplifier (before) /// CHECK-DAG: <<ArgValue:j\d+>> ParameterValue /// CHECK-DAG: <<Const17:j\d+>> LongConstant 17 /// CHECK-DAG: <<Const18:j\d+>> LongConstant 18 /// CHECK-DAG: <<Sub1:j\d+>> Sub [<<Const18>>,<<ArgValue>>] /// CHECK-DAG: <<Sub2:j\d+>> Sub [<<Const17>>,<<Sub1>>] /// CHECK-DAG: Return [<<Sub2>>] /// CHECK-START: long Main.$noinline$SubSubConst(long) instruction_simplifier (after) /// CHECK-DAG: <<ArgValue:j\d+>> ParameterValue /// CHECK-DAG: <<ConstM1:j\d+>> LongConstant -1 /// CHECK-DAG: <<Add:j\d+>> Add [<<ArgValue>>,<<ConstM1>>] /// CHECK-DAG: Return [<<Add>>] public static long $noinline$SubSubConst(long arg) { return 17 - (18 - arg); } /// CHECK-START: long Main.$noinline$UShr0(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const0>>] /// CHECK-DAG: Return [<<UShr>>] /// CHECK-START: long Main.$noinline$UShr0(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$UShr0(long) instruction_simplifier (after) /// CHECK-NOT: UShr public static long $noinline$UShr0(long arg) { return arg >>> 0; } /// CHECK-START: int Main.$noinline$Xor0(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Xor:i\d+>> Xor [<<Arg>>,<<Const0>>] /// CHECK-DAG: Return [<<Xor>>] /// CHECK-START: int Main.$noinline$Xor0(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: int Main.$noinline$Xor0(int) instruction_simplifier (after) /// CHECK-NOT: Xor public static int $noinline$Xor0(int arg) { return arg ^ 0; } /** * Test that addition or subtraction operation with both inputs negated are * optimized to use a single negation after the operation. * The transformation tested is implemented in * `InstructionSimplifierVisitor::TryMoveNegOnInputsAfterBinop`. */ /// CHECK-START: int Main.$noinline$AddNegs1(int, int) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Arg2>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Neg1>>,<<Neg2>>] /// CHECK-DAG: Return [<<Add>>] /// CHECK-START: int Main.$noinline$AddNegs1(int, int) instruction_simplifier (after) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-NOT: Neg /// CHECK-DAG: <<Add:i\d+>> Add [<<Arg1>>,<<Arg2>>] /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Add>>] /// CHECK-DAG: Return [<<Neg>>] public static int $noinline$AddNegs1(int arg1, int arg2) { return -arg1 + -arg2; } /** * This is similar to the test-case AddNegs1, but the negations have * multiple uses. * The transformation tested is implemented in * `InstructionSimplifierVisitor::TryMoveNegOnInputsAfterBinop`. * The current code won't perform the previous optimization. The * transformations do not look at other uses of their inputs. As they don't * know what will happen with other uses, they do not take the risk of * increasing the register pressure by creating or extending live ranges. */ /// CHECK-START: int Main.$noinline$AddNegs2(int, int) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Arg2>>] /// CHECK-DAG: <<Add1:i\d+>> Add [<<Neg1>>,<<Neg2>>] /// CHECK-DAG: <<Add2:i\d+>> Add [<<Neg1>>,<<Neg2>>] /// CHECK-DAG: <<Or:i\d+>> Or [<<Add1>>,<<Add2>>] /// CHECK-DAG: Return [<<Or>>] /// CHECK-START: int Main.$noinline$AddNegs2(int, int) instruction_simplifier (after) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Arg2>>] /// CHECK-DAG: <<Add1:i\d+>> Add [<<Neg1>>,<<Neg2>>] /// CHECK-DAG: <<Add2:i\d+>> Add [<<Neg1>>,<<Neg2>>] /// CHECK-NOT: Neg /// CHECK-DAG: <<Or:i\d+>> Or [<<Add1>>,<<Add2>>] /// CHECK-DAG: Return [<<Or>>] /// CHECK-START: int Main.$noinline$AddNegs2(int, int) GVN (after) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Arg2>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Neg1>>,<<Neg2>>] /// CHECK-DAG: <<Or:i\d+>> Or [<<Add>>,<<Add>>] /// CHECK-DAG: Return [<<Or>>] public static int $noinline$AddNegs2(int arg1, int arg2) { int temp1 = -arg1; int temp2 = -arg2; return (temp1 + temp2) | (temp1 + temp2); } /** * This follows test-cases AddNegs1 and AddNegs2. * The transformation tested is implemented in * `InstructionSimplifierVisitor::TryMoveNegOnInputsAfterBinop`. * The optimization should not happen if it moves an additional instruction in * the loop. */ /// CHECK-START: long Main.$noinline$AddNegs3(long, long) instruction_simplifier (before) // -------------- Arguments and initial negation operations. /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue /// CHECK-DAG: <<Neg1:j\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Neg2:j\d+>> Neg [<<Arg2>>] /// CHECK: Goto // -------------- Loop /// CHECK: SuspendCheck /// CHECK: <<Add:j\d+>> Add [<<Neg1>>,<<Neg2>>] /// CHECK: Goto /// CHECK-START: long Main.$noinline$AddNegs3(long, long) instruction_simplifier (after) // -------------- Arguments and initial negation operations. /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue /// CHECK-DAG: <<Neg1:j\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Neg2:j\d+>> Neg [<<Arg2>>] /// CHECK: Goto // -------------- Loop /// CHECK: SuspendCheck /// CHECK: <<Add:j\d+>> Add [<<Neg1>>,<<Neg2>>] /// CHECK-NOT: Neg /// CHECK: Goto public static long $noinline$AddNegs3(long arg1, long arg2) { long res = 0; long n_arg1 = -arg1; long n_arg2 = -arg2; for (long i = 0; i < 1; i++) { res += n_arg1 + n_arg2 + i; } return res; } /** * Test the simplification of an addition with a negated argument into a * subtraction. * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitAdd`. */ /// CHECK-START: long Main.$noinline$AddNeg1(long, long) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Add:j\d+>> Add [<<Neg>>,<<Arg2>>] /// CHECK-DAG: Return [<<Add>>] /// CHECK-START: long Main.$noinline$AddNeg1(long, long) instruction_simplifier (after) /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Arg2>>,<<Arg1>>] /// CHECK-DAG: Return [<<Sub>>] /// CHECK-START: long Main.$noinline$AddNeg1(long, long) instruction_simplifier (after) /// CHECK-NOT: Neg /// CHECK-NOT: Add public static long $noinline$AddNeg1(long arg1, long arg2) { return -arg1 + arg2; } /** * This is similar to the test-case AddNeg1, but the negation has two uses. * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitAdd`. * The current code won't perform the previous optimization. The * transformations do not look at other uses of their inputs. As they don't * know what will happen with other uses, they do not take the risk of * increasing the register pressure by creating or extending live ranges. */ /// CHECK-START: long Main.$noinline$AddNeg2(long, long) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg2>>] /// CHECK-DAG: <<Add1:j\d+>> Add [<<Arg1>>,<<Neg>>] /// CHECK-DAG: <<Add2:j\d+>> Add [<<Arg1>>,<<Neg>>] /// CHECK-DAG: <<Res:j\d+>> Or [<<Add1>>,<<Add2>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: long Main.$noinline$AddNeg2(long, long) instruction_simplifier (after) /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg2>>] /// CHECK-DAG: <<Add1:j\d+>> Add [<<Arg1>>,<<Neg>>] /// CHECK-DAG: <<Add2:j\d+>> Add [<<Arg1>>,<<Neg>>] /// CHECK-DAG: <<Res:j\d+>> Or [<<Add1>>,<<Add2>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: long Main.$noinline$AddNeg2(long, long) instruction_simplifier (after) /// CHECK-NOT: Sub public static long $noinline$AddNeg2(long arg1, long arg2) { long temp = -arg2; return (arg1 + temp) | (arg1 + temp); } /** * Test simplification of the `-(-var)` pattern. * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNeg`. */ /// CHECK-START: long Main.$noinline$NegNeg1(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Neg1:j\d+>> Neg [<<Arg>>] /// CHECK-DAG: <<Neg2:j\d+>> Neg [<<Neg1>>] /// CHECK-DAG: Return [<<Neg2>>] /// CHECK-START: long Main.$noinline$NegNeg1(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$NegNeg1(long) instruction_simplifier (after) /// CHECK-NOT: Neg public static long $noinline$NegNeg1(long arg) { return -(-arg); } /** * Test 'multi-step' simplification, where a first transformation yields a * new simplification possibility for the current instruction. * The transformations tested are implemented in `InstructionSimplifierVisitor::VisitNeg` * and in `InstructionSimplifierVisitor::VisitAdd`. */ /// CHECK-START: int Main.$noinline$NegNeg2(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg>>] /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Neg1>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Neg2>>,<<Neg1>>] /// CHECK-DAG: Return [<<Add>>] /// CHECK-START: int Main.$noinline$NegNeg2(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg>>,<<Arg>>] /// CHECK-DAG: Return [<<Sub>>] /// CHECK-START: int Main.$noinline$NegNeg2(int) instruction_simplifier (after) /// CHECK-NOT: Neg /// CHECK-NOT: Add /// CHECK-START: int Main.$noinline$NegNeg2(int) constant_folding$after_gvn (after) /// CHECK: <<Const0:i\d+>> IntConstant 0 /// CHECK-NOT: Neg /// CHECK-NOT: Add /// CHECK: Return [<<Const0>>] public static int $noinline$NegNeg2(int arg) { int temp = -arg; return temp + -temp; } /** * Test another 'multi-step' simplification, where a first transformation * yields a new simplification possibility for the current instruction. * The transformations tested are implemented in `InstructionSimplifierVisitor::VisitNeg` * and in `InstructionSimplifierVisitor::VisitSub`. */ /// CHECK-START: long Main.$noinline$NegNeg3(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const0:j\d+>> LongConstant 0 /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg>>] /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Const0>>,<<Neg>>] /// CHECK-DAG: Return [<<Sub>>] /// CHECK-START: long Main.$noinline$NegNeg3(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: long Main.$noinline$NegNeg3(long) instruction_simplifier (after) /// CHECK-NOT: Neg /// CHECK-NOT: Sub public static long $noinline$NegNeg3(long arg) { return 0 - -arg; } /** * Test that a negated subtraction is simplified to a subtraction with its * arguments reversed. * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNeg`. */ /// CHECK-START: int Main.$noinline$NegSub1(int, int) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg1>>,<<Arg2>>] /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Sub>>] /// CHECK-DAG: Return [<<Neg>>] /// CHECK-START: int Main.$noinline$NegSub1(int, int) instruction_simplifier (after) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg2>>,<<Arg1>>] /// CHECK-DAG: Return [<<Sub>>] /// CHECK-START: int Main.$noinline$NegSub1(int, int) instruction_simplifier (after) /// CHECK-NOT: Neg public static int $noinline$NegSub1(int arg1, int arg2) { return -(arg1 - arg2); } /** * This is similar to the test-case NegSub1, but the subtraction has * multiple uses. * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNeg`. * The current code won't perform the previous optimization. The * transformations do not look at other uses of their inputs. As they don't * know what will happen with other uses, they do not take the risk of * increasing the register pressure by creating or extending live ranges. */ /// CHECK-START: int Main.$noinline$NegSub2(int, int) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg1>>,<<Arg2>>] /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Sub>>] /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Sub>>] /// CHECK-DAG: <<Or:i\d+>> Or [<<Neg1>>,<<Neg2>>] /// CHECK-DAG: Return [<<Or>>] /// CHECK-START: int Main.$noinline$NegSub2(int, int) instruction_simplifier (after) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg1>>,<<Arg2>>] /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Sub>>] /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Sub>>] /// CHECK-DAG: <<Or:i\d+>> Or [<<Neg1>>,<<Neg2>>] /// CHECK-DAG: Return [<<Or>>] public static int $noinline$NegSub2(int arg1, int arg2) { int temp = arg1 - arg2; return -temp | -temp; } /** * Test the simplification of a subtraction with a negated argument. * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitSub`. */ /// CHECK-START: int Main.$noinline$SubNeg1(int, int) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Neg>>,<<Arg2>>] /// CHECK-DAG: Return [<<Sub>>] /// CHECK-START: int Main.$noinline$SubNeg1(int, int) instruction_simplifier (after) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Add:i\d+>> Add [<<Arg1>>,<<Arg2>>] /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Add>>] /// CHECK-DAG: Return [<<Neg>>] /// CHECK-START: int Main.$noinline$SubNeg1(int, int) instruction_simplifier (after) /// CHECK-NOT: Sub public static int $noinline$SubNeg1(int arg1, int arg2) { return -arg1 - arg2; } /** * This is similar to the test-case SubNeg1, but the negation has * multiple uses. * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitSub`. * The current code won't perform the previous optimization. The * transformations do not look at other uses of their inputs. As they don't * know what will happen with other uses, they do not take the risk of * increasing the register pressure by creating or extending live ranges. */ /// CHECK-START: int Main.$noinline$SubNeg2(int, int) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Sub1:i\d+>> Sub [<<Neg>>,<<Arg2>>] /// CHECK-DAG: <<Sub2:i\d+>> Sub [<<Neg>>,<<Arg2>>] /// CHECK-DAG: <<Or:i\d+>> Or [<<Sub1>>,<<Sub2>>] /// CHECK-DAG: Return [<<Or>>] /// CHECK-START: int Main.$noinline$SubNeg2(int, int) instruction_simplifier (after) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg1>>] /// CHECK-DAG: <<Sub1:i\d+>> Sub [<<Neg>>,<<Arg2>>] /// CHECK-DAG: <<Sub2:i\d+>> Sub [<<Neg>>,<<Arg2>>] /// CHECK-DAG: <<Or:i\d+>> Or [<<Sub1>>,<<Sub2>>] /// CHECK-DAG: Return [<<Or>>] /// CHECK-START: int Main.$noinline$SubNeg2(int, int) instruction_simplifier (after) /// CHECK-NOT: Add public static int $noinline$SubNeg2(int arg1, int arg2) { int temp = -arg1; return (temp - arg2) | (temp - arg2); } /** * This follows test-cases SubNeg1 and SubNeg2. * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitSub`. * The optimization should not happen if it moves an additional instruction in * the loop. */ /// CHECK-START: long Main.$noinline$SubNeg3(long, long) instruction_simplifier (before) // -------------- Arguments and initial negation operation. /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg1>>] /// CHECK: Goto // -------------- Loop /// CHECK: SuspendCheck /// CHECK: <<Sub:j\d+>> Sub [<<Neg>>,<<Arg2>>] /// CHECK: Goto /// CHECK-START: long Main.$noinline$SubNeg3(long, long) instruction_simplifier (after) // -------------- Arguments and initial negation operation. /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg1>>] /// CHECK-DAG: Goto // -------------- Loop /// CHECK: SuspendCheck /// CHECK: <<Sub:j\d+>> Sub [<<Neg>>,<<Arg2>>] /// CHECK-NOT: Neg /// CHECK: Goto public static long $noinline$SubNeg3(long arg1, long arg2) { long res = 0; long temp = -arg1; for (long i = 0; i < 1; i++) { res += temp - arg2 - i; } return res; } /// CHECK-START: boolean Main.$noinline$EqualBoolVsIntConst(boolean) dead_code_elimination$after_inlining (before) /// CHECK-DAG: <<Arg:z\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 /// CHECK-DAG: <<Const2:i\d+>> IntConstant 2 /// CHECK-DAG: If [<<Arg>>] /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Const0>>,<<Const1>>] /// CHECK-DAG: <<Cond:z\d+>> Equal [<<Phi1>>,<<Const2>>] /// CHECK-DAG: If [<<Cond>>] /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Const0>>,<<Const1>>] /// CHECK-DAG: Return [<<Phi2>>] /// CHECK-START: boolean Main.$noinline$EqualBoolVsIntConst(boolean) dead_code_elimination$after_inlining (after) /// CHECK-DAG: <<True:i\d+>> IntConstant 1 /// CHECK-DAG: Return [<<True>>] public static boolean $noinline$EqualBoolVsIntConst(boolean arg) { // Make calls that will be inlined to make sure the instruction simplifier // sees the simplification (dead code elimination will also try to simplify it). return (arg ? $inline$ReturnArg(0) : $inline$ReturnArg(1)) != 2; } public static int $inline$ReturnArg(int arg) { return arg; } /// CHECK-START: boolean Main.$noinline$NotEqualBoolVsIntConst(boolean) instruction_simplifier$after_inlining (before) /// CHECK-DAG: <<Arg:z\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 /// CHECK-DAG: <<Const2:i\d+>> IntConstant 2 /// CHECK-DAG: If [<<Arg>>] /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Const0>>,<<Const1>>] /// CHECK-DAG: <<Cond:z\d+>> NotEqual [<<Phi1>>,<<Const2>>] /// CHECK-DAG: If [<<Cond>>] /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Const0>>,<<Const1>>] /// CHECK-DAG: Return [<<Phi2>>] /// CHECK-START: boolean Main.$noinline$NotEqualBoolVsIntConst(boolean) dead_code_elimination$after_inlining (after) /// CHECK-DAG: <<False:i\d+>> IntConstant 0 /// CHECK-DAG: Return [<<False>>] public static boolean $noinline$NotEqualBoolVsIntConst(boolean arg) { // Make calls that will be inlined to make sure the instruction simplifier // sees the simplification (dead code elimination will also try to simplify it). return (arg ? $inline$ReturnArg(0) : $inline$ReturnArg(1)) == 2; } /// CHECK-START: float Main.$noinline$Div2(float) instruction_simplifier (before) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<Const2:f\d+>> FloatConstant 2 /// CHECK-DAG: <<Div:f\d+>> Div [<<Arg>>,<<Const2>>] /// CHECK-DAG: Return [<<Div>>] /// CHECK-START: float Main.$noinline$Div2(float) instruction_simplifier (after) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<ConstP5:f\d+>> FloatConstant 0.5 /// CHECK-DAG: <<Mul:f\d+>> Mul [<<Arg>>,<<ConstP5>>] /// CHECK-DAG: Return [<<Mul>>] /// CHECK-START: float Main.$noinline$Div2(float) instruction_simplifier (after) /// CHECK-NOT: Div public static float $noinline$Div2(float arg) { return arg / 2.0f; } /// CHECK-START: double Main.$noinline$Div2(double) instruction_simplifier (before) /// CHECK-DAG: <<Arg:d\d+>> ParameterValue /// CHECK-DAG: <<Const2:d\d+>> DoubleConstant 2 /// CHECK-DAG: <<Div:d\d+>> Div [<<Arg>>,<<Const2>>] /// CHECK-DAG: Return [<<Div>>] /// CHECK-START: double Main.$noinline$Div2(double) instruction_simplifier (after) /// CHECK-DAG: <<Arg:d\d+>> ParameterValue /// CHECK-DAG: <<ConstP5:d\d+>> DoubleConstant 0.5 /// CHECK-DAG: <<Mul:d\d+>> Mul [<<Arg>>,<<ConstP5>>] /// CHECK-DAG: Return [<<Mul>>] /// CHECK-START: double Main.$noinline$Div2(double) instruction_simplifier (after) /// CHECK-NOT: Div public static double $noinline$Div2(double arg) { return arg / 2.0; } /// CHECK-START: float Main.$noinline$DivMP25(float) instruction_simplifier (before) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<ConstMP25:f\d+>> FloatConstant -0.25 /// CHECK-DAG: <<Div:f\d+>> Div [<<Arg>>,<<ConstMP25>>] /// CHECK-DAG: Return [<<Div>>] /// CHECK-START: float Main.$noinline$DivMP25(float) instruction_simplifier (after) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<ConstM4:f\d+>> FloatConstant -4 /// CHECK-DAG: <<Mul:f\d+>> Mul [<<Arg>>,<<ConstM4>>] /// CHECK-DAG: Return [<<Mul>>] /// CHECK-START: float Main.$noinline$DivMP25(float) instruction_simplifier (after) /// CHECK-NOT: Div public static float $noinline$DivMP25(float arg) { return arg / -0.25f; } /// CHECK-START: double Main.$noinline$DivMP25(double) instruction_simplifier (before) /// CHECK-DAG: <<Arg:d\d+>> ParameterValue /// CHECK-DAG: <<ConstMP25:d\d+>> DoubleConstant -0.25 /// CHECK-DAG: <<Div:d\d+>> Div [<<Arg>>,<<ConstMP25>>] /// CHECK-DAG: Return [<<Div>>] /// CHECK-START: double Main.$noinline$DivMP25(double) instruction_simplifier (after) /// CHECK-DAG: <<Arg:d\d+>> ParameterValue /// CHECK-DAG: <<ConstM4:d\d+>> DoubleConstant -4 /// CHECK-DAG: <<Mul:d\d+>> Mul [<<Arg>>,<<ConstM4>>] /// CHECK-DAG: Return [<<Mul>>] /// CHECK-START: double Main.$noinline$DivMP25(double) instruction_simplifier (after) /// CHECK-NOT: Div public static double $noinline$DivMP25(double arg) { return arg / -0.25f; } /** * Test strength reduction of factors of the form (2^n + 1). */ /// CHECK-START: int Main.$noinline$mulPow2Plus1(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const9:i\d+>> IntConstant 9 /// CHECK: Mul [<<Arg>>,<<Const9>>] /// CHECK-START: int Main.$noinline$mulPow2Plus1(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const3:i\d+>> IntConstant 3 /// CHECK: <<Shift:i\d+>> Shl [<<Arg>>,<<Const3>>] /// CHECK-NEXT: Add [<<Arg>>,<<Shift>>] public static int $noinline$mulPow2Plus1(int arg) { return arg * 9; } /** * Test strength reduction of factors of the form (2^n - 1). */ /// CHECK-START: long Main.$noinline$mulPow2Minus1(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const31:j\d+>> LongConstant 31 /// CHECK: Mul [<<Const31>>,<<Arg>>] /// CHECK-START: long Main.$noinline$mulPow2Minus1(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Const5:i\d+>> IntConstant 5 /// CHECK: <<Shift:j\d+>> Shl [<<Arg>>,<<Const5>>] /// CHECK-NEXT: Sub [<<Shift>>,<<Arg>>] public static long $noinline$mulPow2Minus1(long arg) { return arg * 31; } /// CHECK-START: int Main.$noinline$booleanFieldNotEqualOne() instruction_simplifier$after_inlining (before) /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<Field:z\d+>> StaticFieldGet /// CHECK-DAG: <<NE:z\d+>> NotEqual [<<Field>>,<<Const1>>] /// CHECK-DAG: If [<<NE>>] /// CHECK-DAG: <<Phi:i\d+>> Phi [<<Const13>>,<<Const54>>] /// CHECK-DAG: Return [<<Phi>>] /// CHECK-START: int Main.$noinline$booleanFieldNotEqualOne() select_generator (after) /// CHECK-DAG: <<Field:z\d+>> StaticFieldGet /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<Select:i\d+>> Select [<<Const54>>,<<Const13>>,<<Field>>] /// CHECK-DAG: Return [<<Select>>] public static int $noinline$booleanFieldNotEqualOne() { return (booleanField == $inline$true()) ? 13 : 54; } /// CHECK-START: int Main.$noinline$booleanFieldEqualZero() instruction_simplifier$after_inlining (before) /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<Field:z\d+>> StaticFieldGet /// CHECK-DAG: <<EQ:z\d+>> Equal [<<Field>>,<<Const0>>] /// CHECK-DAG: If [<<EQ>>] /// CHECK-DAG: <<Phi:i\d+>> Phi [<<Const13>>,<<Const54>>] /// CHECK-DAG: Return [<<Phi>>] /// CHECK-START: int Main.$noinline$booleanFieldEqualZero() select_generator (after) /// CHECK-DAG: <<Field:z\d+>> StaticFieldGet /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<Select:i\d+>> Select [<<Const54>>,<<Const13>>,<<Field>>] /// CHECK-DAG: Return [<<Select>>] public static int $noinline$booleanFieldEqualZero() { return (booleanField != $inline$false()) ? 13 : 54; } /// CHECK-START: int Main.$noinline$intConditionNotEqualOne(int) instruction_simplifier$after_inlining (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] /// CHECK-DAG: If [<<LE>>] /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Const1>>,<<Const0>>] /// CHECK-DAG: <<NE:z\d+>> NotEqual [<<Phi1>>,<<Const1>>] /// CHECK-DAG: If [<<NE>>] /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Const13>>,<<Const54>>] /// CHECK-DAG: Return [<<Phi2>>] /// CHECK-START: int Main.$noinline$intConditionNotEqualOne(int) select_generator (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] /// CHECK-DAG: <<Result:i\d+>> Select [<<Const13>>,<<Const54>>,<<LE>>] /// CHECK-DAG: Return [<<Result>>] // Note that we match `LE` from Select because there are two identical // LessThanOrEqual instructions. public static int $noinline$intConditionNotEqualOne(int i) { return ((i > 42) == $inline$true()) ? 13 : 54; } /// CHECK-START: int Main.$noinline$intConditionEqualZero(int) instruction_simplifier$after_inlining (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] /// CHECK-DAG: If [<<LE>>] /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Const1>>,<<Const0>>] /// CHECK-DAG: <<EQ:z\d+>> Equal [<<Phi1>>,<<Const0>>] /// CHECK-DAG: If [<<EQ>>] /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Const13>>,<<Const54>>] /// CHECK-DAG: Return [<<Phi2>>] /// CHECK-START: int Main.$noinline$intConditionEqualZero(int) select_generator (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] /// CHECK-DAG: <<Result:i\d+>> Select [<<Const13>>,<<Const54>>,<<LE>>] /// CHECK-DAG: Return [<<Result>>] // Note that we match `LE` from Select because there are two identical // LessThanOrEqual instructions. public static int $noinline$intConditionEqualZero(int i) { return ((i > 42) != $inline$false()) ? 13 : 54; } // Test that conditions on float/double are not flipped. /// CHECK-START: int Main.$noinline$floatConditionNotEqualOne(float) builder (after) /// CHECK: LessThanOrEqual /// CHECK-START: int Main.$noinline$floatConditionNotEqualOne(float) instruction_simplifier$before_codegen (after) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<Const42:f\d+>> FloatConstant 42 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] /// CHECK-DAG: <<Select:i\d+>> Select [<<Const13>>,<<Const54>>,<<LE>>] /// CHECK-DAG: Return [<<Select>>] public static int $noinline$floatConditionNotEqualOne(float f) { return ((f > 42.0f) == true) ? 13 : 54; } /// CHECK-START: int Main.$noinline$doubleConditionEqualZero(double) builder (after) /// CHECK: LessThanOrEqual /// CHECK-START: int Main.$noinline$doubleConditionEqualZero(double) instruction_simplifier$before_codegen (after) /// CHECK-DAG: <<Arg:d\d+>> ParameterValue /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 /// CHECK-DAG: <<Const42:d\d+>> DoubleConstant 42 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] /// CHECK-DAG: <<Select:i\d+>> Select [<<Const13>>,<<Const54>>,<<LE>>] /// CHECK-DAG: Return [<<Select>>] public static int $noinline$doubleConditionEqualZero(double d) { return ((d > 42.0) != false) ? 13 : 54; } /// CHECK-START: int Main.$noinline$intToDoubleToInt(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] /// CHECK-DAG: Return [<<Int>>] /// CHECK-START: int Main.$noinline$intToDoubleToInt(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: int Main.$noinline$intToDoubleToInt(int) instruction_simplifier (after) /// CHECK-NOT: TypeConversion public static int $noinline$intToDoubleToInt(int value) { // Lossless conversion followed by a conversion back. return (int) (double) value; } /// CHECK-START: java.lang.String Main.$noinline$intToDoubleToIntPrint(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: {{i\d+}} TypeConversion [<<Double>>] /// CHECK-START: java.lang.String Main.$noinline$intToDoubleToIntPrint(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: {{d\d+}} TypeConversion [<<Arg>>] /// CHECK-START: java.lang.String Main.$noinline$intToDoubleToIntPrint(int) instruction_simplifier (after) /// CHECK-DAG: TypeConversion /// CHECK-NOT: TypeConversion public static String $noinline$intToDoubleToIntPrint(int value) { // Lossless conversion followed by a conversion back // with another use of the intermediate result. double d = (double) value; int i = (int) d; return "d=" + d + ", i=" + i; } /// CHECK-START: int Main.$noinline$byteToDoubleToInt(byte) instruction_simplifier (before) /// CHECK-DAG: <<Arg:b\d+>> ParameterValue /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] /// CHECK-DAG: Return [<<Int>>] /// CHECK-START: int Main.$noinline$byteToDoubleToInt(byte) instruction_simplifier (after) /// CHECK-DAG: <<Arg:b\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: int Main.$noinline$byteToDoubleToInt(byte) instruction_simplifier (after) /// CHECK-NOT: TypeConversion public static int $noinline$byteToDoubleToInt(byte value) { // Lossless conversion followed by another conversion, use implicit conversion. return (int) (double) value; } /// CHECK-START: int Main.$noinline$floatToDoubleToInt(float) instruction_simplifier (before) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] /// CHECK-DAG: Return [<<Int>>] /// CHECK-START: int Main.$noinline$floatToDoubleToInt(float) instruction_simplifier (after) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: Return [<<Int>>] /// CHECK-START: int Main.$noinline$floatToDoubleToInt(float) instruction_simplifier (after) /// CHECK-DAG: TypeConversion /// CHECK-NOT: TypeConversion public static int $noinline$floatToDoubleToInt(float value) { // Lossless conversion followed by another conversion. return (int) (double) value; } /// CHECK-START: java.lang.String Main.$noinline$floatToDoubleToIntPrint(float) instruction_simplifier (before) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: {{i\d+}} TypeConversion [<<Double>>] /// CHECK-START: java.lang.String Main.$noinline$floatToDoubleToIntPrint(float) instruction_simplifier (after) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: {{i\d+}} TypeConversion [<<Double>>] public static String $noinline$floatToDoubleToIntPrint(float value) { // Lossless conversion followed by another conversion with // an extra use of the intermediate result. double d = (double) value; int i = (int) d; return "d=" + d + ", i=" + i; } /// CHECK-START: short Main.$noinline$byteToDoubleToShort(byte) instruction_simplifier (before) /// CHECK-DAG: <<Arg:b\d+>> ParameterValue /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Int>>] /// CHECK-DAG: Return [<<Short>>] /// CHECK-START: short Main.$noinline$byteToDoubleToShort(byte) instruction_simplifier (after) /// CHECK-DAG: <<Arg:b\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] /// CHECK-START: short Main.$noinline$byteToDoubleToShort(byte) instruction_simplifier (after) /// CHECK-NOT: TypeConversion public static short $noinline$byteToDoubleToShort(byte value) { // Originally, this is byte->double->int->short. The first conversion is lossless, // so we merge this with the second one to byte->int which we omit as it's an implicit // conversion. Then we eliminate the resulting byte->short as an implicit conversion. return (short) (double) value; } /// CHECK-START: short Main.$noinline$charToDoubleToShort(char) instruction_simplifier (before) /// CHECK-DAG: <<Arg:c\d+>> ParameterValue /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Int>>] /// CHECK-DAG: Return [<<Short>>] /// CHECK-START: short Main.$noinline$charToDoubleToShort(char) instruction_simplifier (after) /// CHECK-DAG: <<Arg:c\d+>> ParameterValue /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: Return [<<Short>>] /// CHECK-START: short Main.$noinline$charToDoubleToShort(char) instruction_simplifier (after) /// CHECK-DAG: TypeConversion /// CHECK-NOT: TypeConversion public static short $noinline$charToDoubleToShort(char value) { // Originally, this is char->double->int->short. The first conversion is lossless, // so we merge this with the second one to char->int which we omit as it's an implicit // conversion. Then we are left with the resulting char->short conversion. return (short) (double) value; } /// CHECK-START: short Main.$noinline$floatToIntToShort(float) instruction_simplifier (before) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Int>>] /// CHECK-DAG: Return [<<Short>>] /// CHECK-START: short Main.$noinline$floatToIntToShort(float) instruction_simplifier (after) /// CHECK-DAG: <<Arg:f\d+>> ParameterValue /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Int>>] /// CHECK-DAG: Return [<<Short>>] public static short $noinline$floatToIntToShort(float value) { // Lossy FP to integral conversion followed by another conversion: no simplification. return (short) value; } /// CHECK-START: int Main.$noinline$intToFloatToInt(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Float:f\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Float>>] /// CHECK-DAG: Return [<<Int>>] /// CHECK-START: int Main.$noinline$intToFloatToInt(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Float:f\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Float>>] /// CHECK-DAG: Return [<<Int>>] public static int $noinline$intToFloatToInt(int value) { // Lossy integral to FP conversion followed another conversion: no simplification. return (int) (float) value; } /// CHECK-START: double Main.$noinline$longToIntToDouble(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Int>>] /// CHECK-DAG: Return [<<Double>>] /// CHECK-START: double Main.$noinline$longToIntToDouble(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Int>>] /// CHECK-DAG: Return [<<Double>>] public static double $noinline$longToIntToDouble(long value) { // Lossy long-to-int conversion followed an integral to FP conversion: no simplification. return (double) (int) value; } /// CHECK-START: long Main.$noinline$longToIntToLong(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Int>>] /// CHECK-DAG: Return [<<Long>>] /// CHECK-START: long Main.$noinline$longToIntToLong(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Int>>] /// CHECK-DAG: Return [<<Long>>] public static long $noinline$longToIntToLong(long value) { // Lossy long-to-int conversion followed an int-to-long conversion: no simplification. return (long) (int) value; } /// CHECK-START: short Main.$noinline$shortToCharToShort(short) instruction_simplifier (before) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Char>>] /// CHECK-DAG: Return [<<Short>>] /// CHECK-START: short Main.$noinline$shortToCharToShort(short) instruction_simplifier (after) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] public static short $noinline$shortToCharToShort(short value) { // Integral conversion followed by non-widening integral conversion to original type. return (short) (char) value; } /// CHECK-START: int Main.$noinline$shortToLongToInt(short) instruction_simplifier (before) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Long>>] /// CHECK-DAG: Return [<<Int>>] /// CHECK-START: int Main.$noinline$shortToLongToInt(short) instruction_simplifier (after) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] public static int $noinline$shortToLongToInt(short value) { // Integral conversion followed by non-widening integral conversion, use implicit conversion. return (int) (long) value; } /// CHECK-START: byte Main.$noinline$shortToCharToByte(short) instruction_simplifier (before) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<Byte:b\d+>> TypeConversion [<<Char>>] /// CHECK-DAG: Return [<<Byte>>] /// CHECK-START: byte Main.$noinline$shortToCharToByte(short) instruction_simplifier (after) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: <<Byte:b\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: Return [<<Byte>>] public static byte $noinline$shortToCharToByte(short value) { // Integral conversion followed by non-widening integral conversion losing bits // from the original type. Simplify to use only one conversion. return (byte) (char) value; } /// CHECK-START: java.lang.String Main.$noinline$shortToCharToBytePrint(short) instruction_simplifier (before) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: {{b\d+}} TypeConversion [<<Char>>] /// CHECK-START: java.lang.String Main.$noinline$shortToCharToBytePrint(short) instruction_simplifier (after) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: {{b\d+}} TypeConversion [<<Char>>] public static String $noinline$shortToCharToBytePrint(short value) { // Integral conversion followed by non-widening integral conversion losing bits // from the original type with an extra use of the intermediate result. char c = (char) value; byte b = (byte) c; return "c=" + ((int) c) + ", b=" + ((int) b); // implicit conversions. } /// CHECK-START: long Main.$noinline$intAndSmallLongConstant(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Mask:j\d+>> LongConstant -12345678 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<And:j\d+>> And [<<Long>>,<<Mask>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: long Main.$noinline$intAndSmallLongConstant(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Mask:i\d+>> IntConstant -12345678 /// CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<Mask>>] /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<And>>] /// CHECK-DAG: Return [<<Long>>] public static long $noinline$intAndSmallLongConstant(int value) { return value & -12345678L; // Shall be simplified (constant is 32-bit). } /// CHECK-START: long Main.$noinline$intAndLargeLongConstant(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Mask:j\d+>> LongConstant 9876543210 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<And:j\d+>> And [<<Long>>,<<Mask>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: long Main.$noinline$intAndLargeLongConstant(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Mask:j\d+>> LongConstant 9876543210 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: <<And:j\d+>> And [<<Long>>,<<Mask>>] /// CHECK-DAG: Return [<<And>>] public static long $noinline$intAndLargeLongConstant(int value) { return value & 9876543210L; // Shall not be simplified (constant is not 32-bit). } /// CHECK-START: long Main.$noinline$intShr28And15L(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Shift:i\d+>> IntConstant 28 /// CHECK-DAG: <<Mask:j\d+>> LongConstant 15 /// CHECK-DAG: <<Shifted:i\d+>> Shr [<<Arg>>,<<Shift>>] /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Shifted>>] /// CHECK-DAG: <<And:j\d+>> And [<<Long>>,<<Mask>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: long Main.$noinline$intShr28And15L(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Shift:i\d+>> IntConstant 28 /// CHECK-DAG: <<Shifted:i\d+>> UShr [<<Arg>>,<<Shift>>] /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Shifted>>] /// CHECK-DAG: Return [<<Long>>] public static long $noinline$intShr28And15L(int value) { return (value >> 28) & 15L; } /// CHECK-START: byte Main.$noinline$longAnd0xffToByte(long) instruction_simplifier (before) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Mask:j\d+>> LongConstant 255 /// CHECK-DAG: <<And:j\d+>> And [<<Mask>>,<<Arg>>] /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<And>>] /// CHECK-DAG: <<Byte:b\d+>> TypeConversion [<<Int>>] /// CHECK-DAG: Return [<<Byte>>] /// CHECK-START: byte Main.$noinline$longAnd0xffToByte(long) instruction_simplifier (after) /// CHECK-DAG: <<Arg:j\d+>> ParameterValue /// CHECK-DAG: <<Byte:b\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: Return [<<Byte>>] /// CHECK-START: byte Main.$noinline$longAnd0xffToByte(long) instruction_simplifier (after) /// CHECK-NOT: And public static byte $noinline$longAnd0xffToByte(long value) { return (byte) (value & 0xff); } /// CHECK-START: char Main.$noinline$intAnd0x1ffffToChar(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Mask:i\d+>> IntConstant 131071 /// CHECK-DAG: <<And:i\d+>> And [<<Mask>>,<<Arg>>] /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<And>>] /// CHECK-DAG: Return [<<Char>>] /// CHECK-START: char Main.$noinline$intAnd0x1ffffToChar(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: Return [<<Char>>] /// CHECK-START: char Main.$noinline$intAnd0x1ffffToChar(int) instruction_simplifier (after) /// CHECK-NOT: And public static char $noinline$intAnd0x1ffffToChar(int value) { // Keeping all significant bits and one more. return (char) (value & 0x1ffff); } /// CHECK-START: short Main.$noinline$intAnd0x17fffToShort(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Mask:i\d+>> IntConstant 98303 /// CHECK-DAG: <<And:i\d+>> And [<<Mask>>,<<Arg>>] /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<And>>] /// CHECK-DAG: Return [<<Short>>] /// CHECK-START: short Main.$noinline$intAnd0x17fffToShort(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Mask:i\d+>> IntConstant 98303 /// CHECK-DAG: <<And:i\d+>> And [<<Mask>>,<<Arg>>] /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<And>>] /// CHECK-DAG: Return [<<Short>>] public static short $noinline$intAnd0x17fffToShort(int value) { // No simplification: clearing a significant bit. return (short) (value & 0x17fff); } /// CHECK-START: double Main.$noinline$shortAnd0xffffToShortToDouble(short) instruction_simplifier (before) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: <<Mask:i\d+>> IntConstant 65535 /// CHECK-DAG: <<And:i\d+>> And [<<Mask>>,<<Arg>>] /// CHECK-DAG: <<Same:s\d+>> TypeConversion [<<And>>] /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Same>>] /// CHECK-DAG: Return [<<Double>>] /// CHECK-START: double Main.$noinline$shortAnd0xffffToShortToDouble(short) instruction_simplifier (after) /// CHECK-DAG: <<Arg:s\d+>> ParameterValue /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: Return [<<Double>>] public static double $noinline$shortAnd0xffffToShortToDouble(short value) { short same = (short) (value & 0xffff); return (double) same; } /// CHECK-START: int Main.$noinline$intReverseCondition(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Const42>>,<<Arg>>] /// CHECK-START: int Main.$noinline$intReverseCondition(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 /// CHECK-DAG: <<GE:z\d+>> GreaterThanOrEqual [<<Arg>>,<<Const42>>] public static int $noinline$intReverseCondition(int i) { return (42 > i) ? 13 : 54; } /// CHECK-START: int Main.$noinline$intReverseConditionNaN(int) instruction_simplifier (before) /// CHECK-DAG: <<Const42:d\d+>> DoubleConstant 42 /// CHECK-DAG: <<Result:d\d+>> InvokeStaticOrDirect /// CHECK-DAG: <<CMP:i\d+>> Compare [<<Const42>>,<<Result>>] /// CHECK-START: int Main.$noinline$intReverseConditionNaN(int) instruction_simplifier (after) /// CHECK-DAG: <<Const42:d\d+>> DoubleConstant 42 /// CHECK-DAG: <<Result:d\d+>> InvokeStaticOrDirect /// CHECK-DAG: <<EQ:z\d+>> Equal [<<Result>>,<<Const42>>] public static int $noinline$intReverseConditionNaN(int i) { return (42 != Math.sqrt(i)) ? 13 : 54; } public static int $noinline$runSmaliTest(String name, boolean input) { try { Class<?> c = Class.forName("SmaliTests"); Method m = c.getMethod(name, boolean.class); return (Integer) m.invoke(null, input); } catch (Exception ex) { throw new Error(ex); } } public static boolean $noinline$runSmaliTest2Boolean(String name, boolean input) { try { Class<?> c = Class.forName("SmaliTests2"); Method m = c.getMethod(name, boolean.class); return (Boolean) m.invoke(null, input); } catch (Exception ex) { throw new Error(ex); } } public static int $noinline$runSmaliTestInt(String postfix, String name, int arg) { try { Class<?> c = Class.forName("SmaliTests" + postfix); Method m = c.getMethod(name, int.class); return (Integer) m.invoke(null, arg); } catch (Exception ex) { throw new Error(ex); } } public static int $noinline$runSmaliTestInt(String name, int arg) { return $noinline$runSmaliTestInt("", name, arg); } public static long $noinline$runSmaliTest2Long(String name, long arg) { try { Class<?> c = Class.forName("SmaliTests2"); Method m = c.getMethod(name, long.class); return (Long) m.invoke(null, arg); } catch (Exception ex) { throw new Error(ex); } } /// CHECK-START: int Main.$noinline$intUnnecessaryShiftMasking(int, int) instruction_simplifier (before) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const31:i\d+>> IntConstant 31 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const31>>] /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Value>>,<<And>>] /// CHECK-DAG: Return [<<Shl>>] /// CHECK-START: int Main.$noinline$intUnnecessaryShiftMasking(int, int) instruction_simplifier (after) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Value>>,<<Shift>>] /// CHECK-DAG: Return [<<Shl>>] public static int $noinline$intUnnecessaryShiftMasking(int value, int shift) { return value << (shift & 31); } /// CHECK-START: long Main.$noinline$longUnnecessaryShiftMasking(long, int) instruction_simplifier (before) /// CHECK: <<Value:j\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const63:i\d+>> IntConstant 63 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const63>>] /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Value>>,<<And>>] /// CHECK-DAG: Return [<<Shr>>] /// CHECK-START: long Main.$noinline$longUnnecessaryShiftMasking(long, int) instruction_simplifier (after) /// CHECK: <<Value:j\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Value>>,<<Shift>>] /// CHECK-DAG: Return [<<Shr>>] public static long $noinline$longUnnecessaryShiftMasking(long value, int shift) { return value >> (shift & 63); } /// CHECK-START: int Main.$noinline$intUnnecessaryWiderShiftMasking(int, int) instruction_simplifier (before) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const255>>] /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Value>>,<<And>>] /// CHECK-DAG: Return [<<UShr>>] /// CHECK-START: int Main.$noinline$intUnnecessaryWiderShiftMasking(int, int) instruction_simplifier (after) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Value>>,<<Shift>>] /// CHECK-DAG: Return [<<UShr>>] public static int $noinline$intUnnecessaryWiderShiftMasking(int value, int shift) { return value >>> (shift & 0xff); } /// CHECK-START: long Main.$noinline$longSmallerShiftMasking(long, int) instruction_simplifier (before) /// CHECK: <<Value:j\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const3:i\d+>> IntConstant 3 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const3>>] /// CHECK-DAG: <<Shl:j\d+>> Shl [<<Value>>,<<And>>] /// CHECK-DAG: Return [<<Shl>>] /// CHECK-START: long Main.$noinline$longSmallerShiftMasking(long, int) instruction_simplifier (after) /// CHECK: <<Value:j\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const3:i\d+>> IntConstant 3 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const3>>] /// CHECK-DAG: <<Shl:j\d+>> Shl [<<Value>>,<<And>>] /// CHECK-DAG: Return [<<Shl>>] public static long $noinline$longSmallerShiftMasking(long value, int shift) { return value << (shift & 3); } /// CHECK-START: int Main.$noinline$otherUseOfUnnecessaryShiftMasking(int, int) instruction_simplifier (before) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const31:i\d+>> IntConstant 31 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const31>>] /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Value>>,<<And>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Shr>>,<<And>>] /// CHECK-DAG: Return [<<Add>>] /// CHECK-START: int Main.$noinline$otherUseOfUnnecessaryShiftMasking(int, int) instruction_simplifier (after) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const31:i\d+>> IntConstant 31 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const31>>] /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Value>>,<<Shift>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Shr>>,<<And>>] /// CHECK-DAG: Return [<<Add>>] public static int $noinline$otherUseOfUnnecessaryShiftMasking(int value, int shift) { int temp = shift & 31; return (value >> temp) + temp; } /// CHECK-START: int Main.$noinline$intUnnecessaryShiftModifications(int, int) instruction_simplifier (before) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const32:i\d+>> IntConstant 32 /// CHECK-DAG: <<Const64:i\d+>> IntConstant 64 /// CHECK-DAG: <<Const96:i\d+>> IntConstant 96 /// CHECK-DAG: <<Const128:i\d+>> IntConstant 128 /// CHECK-DAG: <<Or:i\d+>> Or [<<Shift>>,<<Const32>>] /// CHECK-DAG: <<Xor:i\d+>> Xor [<<Shift>>,<<Const64>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Shift>>,<<Const96>>] /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Shift>>,<<Const128>>] /// CHECK-DAG: <<Conv:b\d+>> TypeConversion [<<Shift>>] /// CHECK-DAG: Shl [<<Value>>,<<Or>>] /// CHECK-DAG: Shr [<<Value>>,<<Xor>>] /// CHECK-DAG: UShr [<<Value>>,<<Add>>] /// CHECK-DAG: Shl [<<Value>>,<<Sub>>] /// CHECK-DAG: Shr [<<Value>>,<<Conv>>] /// CHECK-START: int Main.$noinline$intUnnecessaryShiftModifications(int, int) instruction_simplifier (after) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: Shl [<<Value>>,<<Shift>>] /// CHECK-DAG: Shr [<<Value>>,<<Shift>>] /// CHECK-DAG: UShr [<<Value>>,<<Shift>>] /// CHECK-DAG: Shl [<<Value>>,<<Shift>>] /// CHECK-DAG: Shr [<<Value>>,<<Shift>>] public static int $noinline$intUnnecessaryShiftModifications(int value, int shift) { int c128 = 128; return (value << (shift | 32)) + (value >> (shift ^ 64)) + (value >>> (shift + 96)) + (value << (shift - c128)) + // Needs a named constant to generate Sub. (value >> ((byte) shift)); } /// CHECK-START: int Main.$noinline$intNecessaryShiftModifications(int, int) instruction_simplifier (before) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const33:i\d+>> IntConstant 33 /// CHECK-DAG: <<Const65:i\d+>> IntConstant 65 /// CHECK-DAG: <<Const97:i\d+>> IntConstant 97 /// CHECK-DAG: <<Const129:i\d+>> IntConstant 129 /// CHECK-DAG: <<Or:i\d+>> Or [<<Shift>>,<<Const33>>] /// CHECK-DAG: <<Xor:i\d+>> Xor [<<Shift>>,<<Const65>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Shift>>,<<Const97>>] /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Shift>>,<<Const129>>] /// CHECK-DAG: Shl [<<Value>>,<<Or>>] /// CHECK-DAG: Shr [<<Value>>,<<Xor>>] /// CHECK-DAG: UShr [<<Value>>,<<Add>>] /// CHECK-DAG: Shl [<<Value>>,<<Sub>>] /// CHECK-START: int Main.$noinline$intNecessaryShiftModifications(int, int) instruction_simplifier (after) /// CHECK: <<Value:i\d+>> ParameterValue /// CHECK: <<Shift:i\d+>> ParameterValue /// CHECK-DAG: <<Const33:i\d+>> IntConstant 33 /// CHECK-DAG: <<Const65:i\d+>> IntConstant 65 /// CHECK-DAG: <<Const97:i\d+>> IntConstant 97 /// CHECK-DAG: <<Const129:i\d+>> IntConstant 129 /// CHECK-DAG: <<Or:i\d+>> Or [<<Shift>>,<<Const33>>] /// CHECK-DAG: <<Xor:i\d+>> Xor [<<Shift>>,<<Const65>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Shift>>,<<Const97>>] /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Shift>>,<<Const129>>] /// CHECK-DAG: Shl [<<Value>>,<<Or>>] /// CHECK-DAG: Shr [<<Value>>,<<Xor>>] /// CHECK-DAG: UShr [<<Value>>,<<Add>>] /// CHECK-DAG: Shl [<<Value>>,<<Sub>>] public static int $noinline$intNecessaryShiftModifications(int value, int shift) { int c129 = 129; return (value << (shift | 33)) + (value >> (shift ^ 65)) + (value >>> (shift + 97)) + (value << (shift - c129)); // Needs a named constant to generate Sub. } /// CHECK-START: int Main.$noinline$intAddSubSimplifyArg1(int, int) instruction_simplifier (before) /// CHECK: <<X:i\d+>> ParameterValue /// CHECK: <<Y:i\d+>> ParameterValue /// CHECK-DAG: <<Sum:i\d+>> Add [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:i\d+>> Sub [<<Sum>>,<<X>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: int Main.$noinline$intAddSubSimplifyArg1(int, int) instruction_simplifier (after) /// CHECK: <<X:i\d+>> ParameterValue /// CHECK: <<Y:i\d+>> ParameterValue /// CHECK-DAG: <<Sum:i\d+>> Add [<<X>>,<<Y>>] /// CHECK-DAG: Return [<<Y>>] public static int $noinline$intAddSubSimplifyArg1(int x, int y) { int sum = x + y; return sum - x; } /// CHECK-START: int Main.$noinline$intAddSubSimplifyArg2(int, int) instruction_simplifier (before) /// CHECK: <<X:i\d+>> ParameterValue /// CHECK: <<Y:i\d+>> ParameterValue /// CHECK-DAG: <<Sum:i\d+>> Add [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:i\d+>> Sub [<<Sum>>,<<Y>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: int Main.$noinline$intAddSubSimplifyArg2(int, int) instruction_simplifier (after) /// CHECK: <<X:i\d+>> ParameterValue /// CHECK: <<Y:i\d+>> ParameterValue /// CHECK-DAG: <<Sum:i\d+>> Add [<<X>>,<<Y>>] /// CHECK-DAG: Return [<<X>>] public static int $noinline$intAddSubSimplifyArg2(int x, int y) { int sum = x + y; return sum - y; } /// CHECK-START: int Main.$noinline$intSubAddSimplifyLeft(int, int) instruction_simplifier (before) /// CHECK: <<X:i\d+>> ParameterValue /// CHECK: <<Y:i\d+>> ParameterValue /// CHECK-DAG: <<Sub:i\d+>> Sub [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:i\d+>> Add [<<Sub>>,<<Y>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: int Main.$noinline$intSubAddSimplifyLeft(int, int) instruction_simplifier (after) /// CHECK: <<X:i\d+>> ParameterValue /// CHECK: <<Y:i\d+>> ParameterValue /// CHECK-DAG: <<Sub:i\d+>> Sub [<<X>>,<<Y>>] /// CHECK-DAG: Return [<<X>>] public static int $noinline$intSubAddSimplifyLeft(int x, int y) { int sub = x - y; return sub + y; } /// CHECK-START: int Main.$noinline$intSubAddSimplifyRight(int, int) instruction_simplifier (before) /// CHECK: <<X:i\d+>> ParameterValue /// CHECK: <<Y:i\d+>> ParameterValue /// CHECK-DAG: <<Sub:i\d+>> Sub [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:i\d+>> Add [<<Y>>,<<Sub>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: int Main.$noinline$intSubAddSimplifyRight(int, int) instruction_simplifier (after) /// CHECK: <<X:i\d+>> ParameterValue /// CHECK: <<Y:i\d+>> ParameterValue /// CHECK-DAG: <<Sub:i\d+>> Sub [<<X>>,<<Y>>] /// CHECK-DAG: Return [<<X>>] public static int $noinline$intSubAddSimplifyRight(int x, int y) { int sub = x - y; return y + sub; } /// CHECK-START: float Main.$noinline$floatAddSubSimplifyArg1(float, float) instruction_simplifier (before) /// CHECK: <<X:f\d+>> ParameterValue /// CHECK: <<Y:f\d+>> ParameterValue /// CHECK-DAG: <<Sum:f\d+>> Add [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:f\d+>> Sub [<<Sum>>,<<X>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: float Main.$noinline$floatAddSubSimplifyArg1(float, float) instruction_simplifier (after) /// CHECK: <<X:f\d+>> ParameterValue /// CHECK: <<Y:f\d+>> ParameterValue /// CHECK-DAG: <<Sum:f\d+>> Add [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:f\d+>> Sub [<<Sum>>,<<X>>] /// CHECK-DAG: Return [<<Res>>] public static float $noinline$floatAddSubSimplifyArg1(float x, float y) { float sum = x + y; return sum - x; } /// CHECK-START: float Main.$noinline$floatAddSubSimplifyArg2(float, float) instruction_simplifier (before) /// CHECK: <<X:f\d+>> ParameterValue /// CHECK: <<Y:f\d+>> ParameterValue /// CHECK-DAG: <<Sum:f\d+>> Add [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:f\d+>> Sub [<<Sum>>,<<Y>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: float Main.$noinline$floatAddSubSimplifyArg2(float, float) instruction_simplifier (after) /// CHECK: <<X:f\d+>> ParameterValue /// CHECK: <<Y:f\d+>> ParameterValue /// CHECK-DAG: <<Sum:f\d+>> Add [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:f\d+>> Sub [<<Sum>>,<<Y>>] /// CHECK-DAG: Return [<<Res>>] public static float $noinline$floatAddSubSimplifyArg2(float x, float y) { float sum = x + y; return sum - y; } /// CHECK-START: float Main.$noinline$floatSubAddSimplifyLeft(float, float) instruction_simplifier (before) /// CHECK: <<X:f\d+>> ParameterValue /// CHECK: <<Y:f\d+>> ParameterValue /// CHECK-DAG: <<Sub:f\d+>> Sub [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:f\d+>> Add [<<Sub>>,<<Y>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: float Main.$noinline$floatSubAddSimplifyLeft(float, float) instruction_simplifier (after) /// CHECK: <<X:f\d+>> ParameterValue /// CHECK: <<Y:f\d+>> ParameterValue /// CHECK-DAG: <<Sub:f\d+>> Sub [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:f\d+>> Add [<<Sub>>,<<Y>>] /// CHECK-DAG: Return [<<Res>>] public static float $noinline$floatSubAddSimplifyLeft(float x, float y) { float sub = x - y; return sub + y; } /// CHECK-START: float Main.$noinline$floatSubAddSimplifyRight(float, float) instruction_simplifier (before) /// CHECK: <<X:f\d+>> ParameterValue /// CHECK: <<Y:f\d+>> ParameterValue /// CHECK-DAG: <<Sub:f\d+>> Sub [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:f\d+>> Add [<<Y>>,<<Sub>>] /// CHECK-DAG: Return [<<Res>>] /// CHECK-START: float Main.$noinline$floatSubAddSimplifyRight(float, float) instruction_simplifier (after) /// CHECK: <<X:f\d+>> ParameterValue /// CHECK: <<Y:f\d+>> ParameterValue /// CHECK-DAG: <<Sub:f\d+>> Sub [<<X>>,<<Y>>] /// CHECK-DAG: <<Res:f\d+>> Add [<<Y>>,<<Sub>>] /// CHECK-DAG: Return [<<Res>>] public static float $noinline$floatSubAddSimplifyRight(float x, float y) { float sub = x - y; return y + sub; } /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteField(Main) instruction_simplifier (before) /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Get:b\d+>> InstanceFieldGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteField(Main) instruction_simplifier (after) /// CHECK-DAG: <<Get:a\d+>> InstanceFieldGet /// CHECK-DAG: Return [<<Get>>] /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteField(Main) instruction_simplifier (after) /// CHECK-NOT: And /// CHECK-NOT: TypeConversion public static int $noinline$getUint8FromInstanceByteField(Main m) { return m.instanceByteField & 0xff; } /// CHECK-START: int Main.$noinline$getUint8FromStaticByteField() instruction_simplifier (before) /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Get:b\d+>> StaticFieldGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$getUint8FromStaticByteField() instruction_simplifier (after) /// CHECK-DAG: <<Get:a\d+>> StaticFieldGet /// CHECK-DAG: Return [<<Get>>] /// CHECK-START: int Main.$noinline$getUint8FromStaticByteField() instruction_simplifier (after) /// CHECK-NOT: And /// CHECK-NOT: TypeConversion public static int $noinline$getUint8FromStaticByteField() { return staticByteField & 0xff; } /// CHECK-START: int Main.$noinline$getUint8FromByteArray(byte[]) instruction_simplifier (before) /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Get:b\d+>> ArrayGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$getUint8FromByteArray(byte[]) instruction_simplifier (after) /// CHECK-DAG: <<Get:a\d+>> ArrayGet /// CHECK-DAG: Return [<<Get>>] /// CHECK-START: int Main.$noinline$getUint8FromByteArray(byte[]) instruction_simplifier (after) /// CHECK-NOT: And /// CHECK-NOT: TypeConversion public static int $noinline$getUint8FromByteArray(byte[] a) { return a[0] & 0xff; } /// CHECK-START: int Main.$noinline$getUint16FromInstanceShortField(Main) instruction_simplifier (before) /// CHECK-DAG: <<Cst65535:i\d+>> IntConstant 65535 /// CHECK-DAG: <<Get:s\d+>> InstanceFieldGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Cst65535>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$getUint16FromInstanceShortField(Main) instruction_simplifier (after) /// CHECK-DAG: <<Get:c\d+>> InstanceFieldGet /// CHECK-DAG: Return [<<Get>>] /// CHECK-START: int Main.$noinline$getUint16FromInstanceShortField(Main) instruction_simplifier (after) /// CHECK-NOT: And /// CHECK-NOT: TypeConversion public static int $noinline$getUint16FromInstanceShortField(Main m) { return m.instanceShortField & 0xffff; } /// CHECK-START: int Main.$noinline$getUint16FromStaticShortField() instruction_simplifier (before) /// CHECK-DAG: <<Cst65535:i\d+>> IntConstant 65535 /// CHECK-DAG: <<Get:s\d+>> StaticFieldGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Cst65535>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$getUint16FromStaticShortField() instruction_simplifier (after) /// CHECK-DAG: <<Get:c\d+>> StaticFieldGet /// CHECK-DAG: Return [<<Get>>] /// CHECK-START: int Main.$noinline$getUint16FromStaticShortField() instruction_simplifier (after) /// CHECK-NOT: And /// CHECK-NOT: TypeConversion public static int $noinline$getUint16FromStaticShortField() { return staticShortField & 0xffff; } /// CHECK-START: int Main.$noinline$getUint16FromShortArray(short[]) instruction_simplifier (before) /// CHECK-DAG: <<Cst65535:i\d+>> IntConstant 65535 /// CHECK-DAG: <<Get:s\d+>> ArrayGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Cst65535>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$getUint16FromShortArray(short[]) instruction_simplifier (after) /// CHECK-DAG: <<Get:c\d+>> ArrayGet /// CHECK-DAG: Return [<<Get>>] /// CHECK-START: int Main.$noinline$getUint16FromShortArray(short[]) instruction_simplifier (after) /// CHECK-NOT: And /// CHECK-NOT: TypeConversion public static int $noinline$getUint16FromShortArray(short[] a) { return a[0] & 0xffff; } /// CHECK-START: int Main.$noinline$getInt16FromInstanceCharField(Main) instruction_simplifier (before) /// CHECK-DAG: <<Get:c\d+>> InstanceFieldGet /// CHECK-DAG: <<Conv:s\d+>> TypeConversion [<<Get>>] /// CHECK-DAG: Return [<<Conv>>] /// CHECK-START: int Main.$noinline$getInt16FromInstanceCharField(Main) instruction_simplifier (after) /// CHECK-DAG: <<Get:s\d+>> InstanceFieldGet /// CHECK-DAG: Return [<<Get>>] /// CHECK-START: int Main.$noinline$getInt16FromInstanceCharField(Main) instruction_simplifier (after) /// CHECK-NOT: And /// CHECK-NOT: TypeConversion public static int $noinline$getInt16FromInstanceCharField(Main m) { return (short) m.instanceCharField; } /// CHECK-START: int Main.$noinline$getInt16FromStaticCharField() instruction_simplifier (before) /// CHECK-DAG: <<Get:c\d+>> StaticFieldGet /// CHECK-DAG: <<Conv:s\d+>> TypeConversion [<<Get>>] /// CHECK-DAG: Return [<<Conv>>] /// CHECK-START: int Main.$noinline$getInt16FromStaticCharField() instruction_simplifier (after) /// CHECK-DAG: <<Get:s\d+>> StaticFieldGet /// CHECK-DAG: Return [<<Get>>] /// CHECK-START: int Main.$noinline$getInt16FromStaticCharField() instruction_simplifier (after) /// CHECK-NOT: And /// CHECK-NOT: TypeConversion public static int $noinline$getInt16FromStaticCharField() { return (short) staticCharField; } /// CHECK-START: int Main.$noinline$getInt16FromCharArray(char[]) instruction_simplifier (before) /// CHECK-DAG: <<Get:c\d+>> ArrayGet /// CHECK-DAG: <<Conv:s\d+>> TypeConversion [<<Get>>] /// CHECK-DAG: Return [<<Conv>>] /// CHECK-START: int Main.$noinline$getInt16FromCharArray(char[]) instruction_simplifier (after) /// CHECK-DAG: <<Get:s\d+>> ArrayGet /// CHECK-DAG: Return [<<Get>>] /// CHECK-START: int Main.$noinline$getInt16FromCharArray(char[]) instruction_simplifier (after) /// CHECK-NOT: And /// CHECK-NOT: TypeConversion public static int $noinline$getInt16FromCharArray(char[] a) { return (short) a[0]; } /// CHECK-START: int Main.$noinline$byteToUint8AndBack() instruction_simplifier (before) /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Get:b\d+>> StaticFieldGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] /// CHECK-DAG: <<Invoke:i\d+>> InvokeStaticOrDirect [<<And>>{{(,[ij]\d+)?}}] /// CHECK-DAG: Return [<<Invoke>>] /// CHECK-START: int Main.$noinline$byteToUint8AndBack() instruction_simplifier (after) /// CHECK-DAG: <<Get:a\d+>> StaticFieldGet /// CHECK-DAG: <<Invoke:i\d+>> InvokeStaticOrDirect [<<Get>>{{(,[ij]\d+)?}}] /// CHECK-DAG: Return [<<Invoke>>] /// CHECK-START: int Main.$noinline$byteToUint8AndBack() instruction_simplifier$after_inlining (before) /// CHECK-DAG: <<Get:a\d+>> StaticFieldGet /// CHECK-DAG: <<Conv:b\d+>> TypeConversion [<<Get>>] /// CHECK-DAG: Return [<<Conv>>] /// CHECK-START: int Main.$noinline$byteToUint8AndBack() instruction_simplifier$after_inlining (after) /// CHECK-DAG: <<Get:b\d+>> StaticFieldGet /// CHECK-DAG: Return [<<Get>>] public static int $noinline$byteToUint8AndBack() { return $inline$toByte(staticByteField & 0xff); } public static int $inline$toByte(int value) { return (byte) value; } /// CHECK-START: int Main.$noinline$getStaticCharFieldAnd0xff() instruction_simplifier (before) /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Get:c\d+>> StaticFieldGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$getStaticCharFieldAnd0xff() instruction_simplifier (after) /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Get:c\d+>> StaticFieldGet /// CHECK-DAG: <<Cnv:a\d+>> TypeConversion [<<Get>>] /// CHECK-DAG: Return [<<Cnv>>] /// CHECK-START: int Main.$noinline$getStaticCharFieldAnd0xff() instruction_simplifier (after) /// CHECK-NOT: {{a\d+}} StaticFieldGet public static int $noinline$getStaticCharFieldAnd0xff() { return staticCharField & 0xff; } /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteFieldWithAnotherUse(Main) instruction_simplifier (before) /// CHECK-DAG: <<Const8:i\d+>> IntConstant 8 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Get:b\d+>> InstanceFieldGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Get>>,<<Const8>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<And>>,<<Shl>>] /// CHECK-DAG: Return [<<Add>>] /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteFieldWithAnotherUse(Main) instruction_simplifier (after) /// CHECK-DAG: <<Const8:i\d+>> IntConstant 8 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Get:b\d+>> InstanceFieldGet /// CHECK-DAG: <<Cnv:a\d+>> TypeConversion [<<Get>>] /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Get>>,<<Const8>>] /// CHECK-DAG: <<Add:i\d+>> Add [<<Cnv>>,<<Shl>>] /// CHECK-DAG: Return [<<Add>>] /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteFieldWithAnotherUse(Main) instruction_simplifier (after) /// CHECK-NOT: {{a\d+}} InstanceFieldGet public static int $noinline$getUint8FromInstanceByteFieldWithAnotherUse(Main m) { byte b = m.instanceByteField; int v1 = b & 0xff; int v2 = (b << 8); return v1 + v2; } /// CHECK-START: int Main.$noinline$intAnd0xffToChar(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 /// CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<Const255>>] /// CHECK-DAG: <<Conv:c\d+>> TypeConversion [<<And>>] /// CHECK-DAG: Return [<<Conv>>] /// CHECK-START: int Main.$noinline$intAnd0xffToChar(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Conv:a\d+>> TypeConversion [<<Arg>>] /// CHECK-DAG: Return [<<Conv>>] public static int $noinline$intAnd0xffToChar(int value) { return (char) (value & 0xff); } /// CHECK-START: int Main.$noinline$intAnd0x1ffToChar(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Const511:i\d+>> IntConstant 511 /// CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<Const511>>] /// CHECK-DAG: <<Conv:c\d+>> TypeConversion [<<And>>] /// CHECK-DAG: Return [<<Conv>>] // TODO: Simplify this. Unlike the $noinline$intAnd0xffToChar(), the TypeConversion // to `char` is not eliminated despite the result of the And being within the `char` range. // CHECK-START: int Main.$noinline$intAnd0x1ffToChar(int) instruction_simplifier (after) // CHECK-DAG: <<Arg:i\d+>> ParameterValue // CHECK-DAG: <<Const511:i\d+>> IntConstant 511 // CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<Const511>>] // CHECK-DAG: Return [<<And>>] public static int $noinline$intAnd0x1ffToChar(int value) { return (char) (value & 0x1ff); } /// CHECK-START: int Main.$noinline$getInstanceCharFieldAnd0x1ffff(Main) instruction_simplifier (before) /// CHECK-DAG: <<Cst1ffff:i\d+>> IntConstant 131071 /// CHECK-DAG: <<Get:c\d+>> InstanceFieldGet /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Cst1ffff>>] /// CHECK-DAG: Return [<<And>>] /// CHECK-START: int Main.$noinline$getInstanceCharFieldAnd0x1ffff(Main) instruction_simplifier (after) /// CHECK-DAG: <<Get:c\d+>> InstanceFieldGet /// CHECK-DAG: Return [<<Get>>] public static int $noinline$getInstanceCharFieldAnd0x1ffff(Main m) { return m.instanceCharField & 0x1ffff; } /// CHECK-START: int Main.$noinline$bug68142795Byte(byte) instruction_simplifier (before) /// CHECK-DAG: <<Arg:b\d+>> ParameterValue /// CHECK-DAG: <<Const:i\d+>> IntConstant 255 /// CHECK-DAG: <<And1:i\d+>> And [<<Arg>>,<<Const>>] /// CHECK-DAG: <<And2:i\d+>> And [<<And1>>,<<Const>>] /// CHECK-DAG: <<Conv:b\d+>> TypeConversion [<<And2>>] /// CHECK-DAG: Return [<<Conv>>] /// CHECK-START: int Main.$noinline$bug68142795Byte(byte) instruction_simplifier (after) /// CHECK-DAG: <<Arg:b\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] public static int $noinline$bug68142795Byte(byte b) { return (byte)(0xff & (b & 0xff)); } /// CHECK-START: int Main.$noinline$bug68142795Elaborate(byte) instruction_simplifier (before) /// CHECK-DAG: <<Arg:b\d+>> ParameterValue /// CHECK-DAG: <<Int255:i\d+>> IntConstant 255 /// CHECK-DAG: <<Long255:j\d+>> LongConstant 255 /// CHECK-DAG: <<And1:i\d+>> And [<<Arg>>,<<Int255>>] /// CHECK-DAG: <<Conv1:j\d+>> TypeConversion [<<And1>>] /// CHECK-DAG: <<And2:j\d+>> And [<<Conv1>>,<<Long255>>] /// CHECK-DAG: <<Conv2:i\d+>> TypeConversion [<<And2>>] /// CHECK-DAG: <<Conv3:b\d+>> TypeConversion [<<Conv2>>] /// CHECK-DAG: Return [<<Conv3>>] /// CHECK-START: int Main.$noinline$bug68142795Elaborate(byte) instruction_simplifier (after) /// CHECK-DAG: <<Arg:b\d+>> ParameterValue /// CHECK-DAG: Return [<<Arg>>] public static int $noinline$bug68142795Elaborate(byte b) { return (byte)((int)(((long)(b & 0xff)) & 255L)); } /// CHECK-START: int Main.$noinline$emptyStringIndexOf(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Empty:l\d+>> LoadString /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg>>] intrinsic:StringIndexOf /// CHECK-DAG: Return [<<Equals>>] /// CHECK-START: int Main.$noinline$emptyStringIndexOf(int) instruction_simplifier (after) /// CHECK-NOT: InvokeVirtual /// CHECK-START: int Main.$noinline$emptyStringIndexOf(int) instruction_simplifier (after) /// CHECK-DAG: <<Minus1:i\d+>> IntConstant -1 /// CHECK-DAG: Return [<<Minus1>>] public static int $noinline$emptyStringIndexOf(int ch) { return "".indexOf(ch); } /// CHECK-START: int Main.$noinline$emptyStringIndexOfAfter(int, int) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Empty:l\d+>> LoadString /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg1>>,<<Arg2>>] intrinsic:StringIndexOfAfter /// CHECK-DAG: Return [<<Equals>>] /// CHECK-START: int Main.$noinline$emptyStringIndexOfAfter(int, int) instruction_simplifier (after) /// CHECK-NOT: InvokeVirtual /// CHECK-START: int Main.$noinline$emptyStringIndexOfAfter(int, int) instruction_simplifier (after) /// CHECK-DAG: <<Minus1:i\d+>> IntConstant -1 /// CHECK-DAG: Return [<<Minus1>>] public static int $noinline$emptyStringIndexOfAfter(int ch, int fromIndex) { return "".indexOf(ch, fromIndex); } /// CHECK-START: int Main.$noinline$singleCharStringIndexOf(int) instruction_simplifier (before) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<Empty:l\d+>> LoadString /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg>>] intrinsic:StringIndexOf /// CHECK-DAG: Return [<<Equals>>] /// CHECK-START: int Main.$noinline$singleCharStringIndexOf(int) instruction_simplifier (after) /// CHECK-NOT: InvokeVirtual /// CHECK-START: int Main.$noinline$singleCharStringIndexOf(int) instruction_simplifier (after) /// CHECK-DAG: <<Arg:i\d+>> ParameterValue /// CHECK-DAG: <<x:i\d+>> IntConstant 120 /// CHECK-DAG: <<Zero:i\d+>> IntConstant 0 /// CHECK-DAG: <<Minus1:i\d+>> IntConstant -1 /// CHECK-DAG: <<Eq:z\d+>> Equal [<<Arg>>,<<x>>] /// CHECK-DAG: <<Select:i\d+>> Select [<<Minus1>>,<<Zero>>,<<Eq>>] /// CHECK-DAG: Return [<<Select>>] public static int $noinline$singleCharStringIndexOf(int ch) { return "x".indexOf(ch); } /// CHECK-START: int Main.$noinline$singleCharStringIndexOfAfter(int, int) instruction_simplifier (before) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Empty:l\d+>> LoadString /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg1>>,<<Arg2>>] intrinsic:StringIndexOfAfter /// CHECK-DAG: Return [<<Equals>>] /// CHECK-START: int Main.$noinline$singleCharStringIndexOfAfter(int, int) instruction_simplifier (after) /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue /// CHECK-DAG: <<Empty:l\d+>> LoadString /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg1>>,<<Arg2>>] intrinsic:StringIndexOfAfter /// CHECK-DAG: Return [<<Equals>>] public static int $noinline$singleCharStringIndexOfAfter(int ch, int fromIndex) { return "x".indexOf(ch, fromIndex); // Not simplified. } public static void main(String[] args) throws Exception { Class smaliTests2 = Class.forName("SmaliTests2"); Method $noinline$XorAllOnes = smaliTests2.getMethod("$noinline$XorAllOnes", int.class); Method $noinline$NotNot1 = smaliTests2.getMethod("$noinline$NotNot1", long.class); Method $noinline$NotNot2 = smaliTests2.getMethod("$noinline$NotNot2", int.class); Method $noinline$NotNotBool = smaliTests2.getMethod("$noinline$NotNotBool", boolean.class); Method $noinline$bug68142795Short = smaliTests2.getMethod("$noinline$bug68142795Short", short.class); Method $noinline$bug68142795Boolean = smaliTests2.getMethod("$noinline$bug68142795Boolean", boolean.class); int arg = 123456; float floatArg = 123456.125f; assertLongEquals(arg, $noinline$Add0(arg)); assertIntEquals(5, $noinline$AddAddSubAddConst(1)); assertIntEquals(arg, $noinline$AndAllOnes(arg)); assertLongEquals(arg, $noinline$Div1(arg)); assertIntEquals(-arg, $noinline$DivN1(arg)); assertLongEquals(arg, $noinline$Mul1(arg)); assertIntEquals(-arg, $noinline$MulN1(arg)); assertLongEquals((128 * arg), $noinline$MulPowerOfTwo128(arg)); assertLongEquals(2640, $noinline$MulMulMulConst(2)); assertIntEquals(arg, $noinline$Or0(arg)); assertLongEquals(arg, $noinline$OrSame(arg)); assertIntEquals(arg, $noinline$Shl0(arg)); assertLongEquals(arg, $noinline$Shr0(arg)); assertLongEquals(arg, $noinline$Shr64(arg)); assertLongEquals(arg, $noinline$Sub0(arg)); assertIntEquals(-arg, $noinline$SubAliasNeg(arg)); assertIntEquals(9, $noinline$SubAddConst1(2)); assertIntEquals(-2, $noinline$SubAddConst2(3)); assertLongEquals(3, $noinline$SubSubConst(4)); assertLongEquals(arg, $noinline$UShr0(arg)); assertIntEquals(arg, $noinline$Xor0(arg)); assertIntEquals(~arg, (int)$noinline$XorAllOnes.invoke(null, arg)); assertIntEquals(-(arg + arg + 1), $noinline$AddNegs1(arg, arg + 1)); assertIntEquals(-(arg + arg + 1), $noinline$AddNegs2(arg, arg + 1)); assertLongEquals(-(2 * arg + 1), $noinline$AddNegs3(arg, arg + 1)); assertLongEquals(1, $noinline$AddNeg1(arg, arg + 1)); assertLongEquals(-1, $noinline$AddNeg2(arg, arg + 1)); assertLongEquals(arg, $noinline$NegNeg1(arg)); assertIntEquals(0, $noinline$NegNeg2(arg)); assertLongEquals(arg, $noinline$NegNeg3(arg)); assertIntEquals(1, $noinline$NegSub1(arg, arg + 1)); assertIntEquals(1, $noinline$NegSub2(arg, arg + 1)); assertLongEquals(arg, (long)$noinline$NotNot1.invoke(null, arg)); assertLongEquals(arg, $noinline$runSmaliTest2Long("$noinline$NotNot1", arg)); assertIntEquals(-1, (int)$noinline$NotNot2.invoke(null, arg)); assertIntEquals(-1, $noinline$runSmaliTestInt("2", "$noinline$NotNot2", arg)); assertIntEquals(-(arg + arg + 1), $noinline$SubNeg1(arg, arg + 1)); assertIntEquals(-(arg + arg + 1), $noinline$SubNeg2(arg, arg + 1)); assertLongEquals(-(2 * arg + 1), $noinline$SubNeg3(arg, arg + 1)); assertBooleanEquals(true, $noinline$EqualBoolVsIntConst(true)); assertBooleanEquals(true, $noinline$EqualBoolVsIntConst(true)); assertBooleanEquals(false, $noinline$NotEqualBoolVsIntConst(false)); assertBooleanEquals(false, $noinline$NotEqualBoolVsIntConst(false)); assertBooleanEquals(true, (boolean)$noinline$NotNotBool.invoke(null, true)); assertBooleanEquals(true, $noinline$runSmaliTest2Boolean("$noinline$NotNotBool", true)); assertBooleanEquals(false, (boolean)$noinline$NotNotBool.invoke(null, false)); assertBooleanEquals(false, $noinline$runSmaliTest2Boolean("$noinline$NotNotBool", false)); assertFloatEquals(50.0f, $noinline$Div2(100.0f)); assertDoubleEquals(75.0, $noinline$Div2(150.0)); assertFloatEquals(-400.0f, $noinline$DivMP25(100.0f)); assertDoubleEquals(-600.0, $noinline$DivMP25(150.0)); assertIntEquals(0xc, $noinline$UShr28And15(0xc1234567)); assertLongEquals(0xcL, $noinline$UShr60And15(0xc123456787654321L)); assertIntEquals(0x4, $noinline$UShr28And7(0xc1234567)); assertLongEquals(0x4L, $noinline$UShr60And7(0xc123456787654321L)); assertIntEquals(0xc1, $noinline$Shr24And255(0xc1234567)); assertIntEquals(0x60, $noinline$Shr25And127(0xc1234567)); assertLongEquals(0xc1L, $noinline$Shr56And255(0xc123456787654321L)); assertLongEquals(0x60L, $noinline$Shr57And127(0xc123456787654321L)); assertIntEquals(0x41, $noinline$Shr24And127(0xc1234567)); assertLongEquals(0x41L, $noinline$Shr56And127(0xc123456787654321L)); assertIntEquals(0, $noinline$mulPow2Plus1(0)); assertIntEquals(9, $noinline$mulPow2Plus1(1)); assertIntEquals(18, $noinline$mulPow2Plus1(2)); assertIntEquals(900, $noinline$mulPow2Plus1(100)); assertIntEquals(111105, $noinline$mulPow2Plus1(12345)); assertLongEquals(0, $noinline$mulPow2Minus1(0)); assertLongEquals(31, $noinline$mulPow2Minus1(1)); assertLongEquals(62, $noinline$mulPow2Minus1(2)); assertLongEquals(3100, $noinline$mulPow2Minus1(100)); assertLongEquals(382695, $noinline$mulPow2Minus1(12345)); booleanField = false; assertIntEquals($noinline$booleanFieldNotEqualOne(), 54); assertIntEquals($noinline$booleanFieldEqualZero(), 54); booleanField = true; assertIntEquals(13, $noinline$booleanFieldNotEqualOne()); assertIntEquals(13, $noinline$booleanFieldEqualZero()); assertIntEquals(54, $noinline$intConditionNotEqualOne(6)); assertIntEquals(13, $noinline$intConditionNotEqualOne(43)); assertIntEquals(54, $noinline$intConditionEqualZero(6)); assertIntEquals(13, $noinline$intConditionEqualZero(43)); assertIntEquals(54, $noinline$floatConditionNotEqualOne(6.0f)); assertIntEquals(13, $noinline$floatConditionNotEqualOne(43.0f)); assertIntEquals(54, $noinline$doubleConditionEqualZero(6.0)); assertIntEquals(13, $noinline$doubleConditionEqualZero(43.0)); assertIntEquals(1234567, $noinline$intToDoubleToInt(1234567)); assertIntEquals(Integer.MIN_VALUE, $noinline$intToDoubleToInt(Integer.MIN_VALUE)); assertIntEquals(Integer.MAX_VALUE, $noinline$intToDoubleToInt(Integer.MAX_VALUE)); assertStringEquals("d=7654321.0, i=7654321", $noinline$intToDoubleToIntPrint(7654321)); assertIntEquals(12, $noinline$byteToDoubleToInt((byte) 12)); assertIntEquals(Byte.MIN_VALUE, $noinline$byteToDoubleToInt(Byte.MIN_VALUE)); assertIntEquals(Byte.MAX_VALUE, $noinline$byteToDoubleToInt(Byte.MAX_VALUE)); assertIntEquals(11, $noinline$floatToDoubleToInt(11.3f)); assertStringEquals("d=12.25, i=12", $noinline$floatToDoubleToIntPrint(12.25f)); assertIntEquals(123, $noinline$byteToDoubleToShort((byte) 123)); assertIntEquals(Byte.MIN_VALUE, $noinline$byteToDoubleToShort(Byte.MIN_VALUE)); assertIntEquals(Byte.MAX_VALUE, $noinline$byteToDoubleToShort(Byte.MAX_VALUE)); assertIntEquals(1234, $noinline$charToDoubleToShort((char) 1234)); assertIntEquals(Character.MIN_VALUE, $noinline$charToDoubleToShort(Character.MIN_VALUE)); assertIntEquals(/* sign-extended */ -1, $noinline$charToDoubleToShort(Character.MAX_VALUE)); assertIntEquals(12345, $noinline$floatToIntToShort(12345.75f)); assertIntEquals(Short.MAX_VALUE, $noinline$floatToIntToShort((float)(Short.MIN_VALUE - 1))); assertIntEquals(Short.MIN_VALUE, $noinline$floatToIntToShort((float)(Short.MAX_VALUE + 1))); assertIntEquals(-54321, $noinline$intToFloatToInt(-54321)); assertDoubleEquals((double) 0x12345678, $noinline$longToIntToDouble(0x1234567812345678L)); assertDoubleEquals(0.0, $noinline$longToIntToDouble(Long.MIN_VALUE)); assertDoubleEquals(-1.0, $noinline$longToIntToDouble(Long.MAX_VALUE)); assertLongEquals(0x0000000012345678L, $noinline$longToIntToLong(0x1234567812345678L)); assertLongEquals(0xffffffff87654321L, $noinline$longToIntToLong(0x1234567887654321L)); assertLongEquals(0L, $noinline$longToIntToLong(Long.MIN_VALUE)); assertLongEquals(-1L, $noinline$longToIntToLong(Long.MAX_VALUE)); assertIntEquals((short) -5678, $noinline$shortToCharToShort((short) -5678)); assertIntEquals(Short.MIN_VALUE, $noinline$shortToCharToShort(Short.MIN_VALUE)); assertIntEquals(Short.MAX_VALUE, $noinline$shortToCharToShort(Short.MAX_VALUE)); assertIntEquals(5678, $noinline$shortToLongToInt((short) 5678)); assertIntEquals(Short.MIN_VALUE, $noinline$shortToLongToInt(Short.MIN_VALUE)); assertIntEquals(Short.MAX_VALUE, $noinline$shortToLongToInt(Short.MAX_VALUE)); assertIntEquals(0x34, $noinline$shortToCharToByte((short) 0x1234)); assertIntEquals(-0x10, $noinline$shortToCharToByte((short) 0x12f0)); assertIntEquals(0, $noinline$shortToCharToByte(Short.MIN_VALUE)); assertIntEquals(-1, $noinline$shortToCharToByte(Short.MAX_VALUE)); assertStringEquals("c=1025, b=1", $noinline$shortToCharToBytePrint((short) 1025)); assertStringEquals("c=1023, b=-1", $noinline$shortToCharToBytePrint((short) 1023)); assertStringEquals("c=65535, b=-1", $noinline$shortToCharToBytePrint((short) -1)); assertLongEquals(0x55411410L, $noinline$intAndSmallLongConstant(0x55555555)); assertLongEquals(0xffffffffaa028aa2L, $noinline$intAndSmallLongConstant(0xaaaaaaaa)); assertLongEquals(0x44101440L, $noinline$intAndLargeLongConstant(0x55555555)); assertLongEquals(0x208a002aaL, $noinline$intAndLargeLongConstant(0xaaaaaaaa)); assertLongEquals(7L, $noinline$intShr28And15L(0x76543210)); assertIntEquals(0x21, $noinline$longAnd0xffToByte(0x1234432112344321L)); assertIntEquals(0, $noinline$longAnd0xffToByte(Long.MIN_VALUE)); assertIntEquals(-1, $noinline$longAnd0xffToByte(Long.MAX_VALUE)); assertIntEquals(0x1234, $noinline$intAnd0x1ffffToChar(0x43211234)); assertIntEquals(0, $noinline$intAnd0x1ffffToChar(Integer.MIN_VALUE)); assertIntEquals(Character.MAX_VALUE, $noinline$intAnd0x1ffffToChar(Integer.MAX_VALUE)); assertIntEquals(0x4321, $noinline$intAnd0x17fffToShort(0x87654321)); assertIntEquals(0x0888, $noinline$intAnd0x17fffToShort(0x88888888)); assertIntEquals(0, $noinline$intAnd0x17fffToShort(Integer.MIN_VALUE)); assertIntEquals(Short.MAX_VALUE, $noinline$intAnd0x17fffToShort(Integer.MAX_VALUE)); assertDoubleEquals(0.0, $noinline$shortAnd0xffffToShortToDouble((short) 0)); assertDoubleEquals(1.0, $noinline$shortAnd0xffffToShortToDouble((short) 1)); assertDoubleEquals(-2.0, $noinline$shortAnd0xffffToShortToDouble((short) -2)); assertDoubleEquals(12345.0, $noinline$shortAnd0xffffToShortToDouble((short) 12345)); assertDoubleEquals((double)Short.MAX_VALUE, $noinline$shortAnd0xffffToShortToDouble(Short.MAX_VALUE)); assertDoubleEquals((double)Short.MIN_VALUE, $noinline$shortAnd0xffffToShortToDouble(Short.MIN_VALUE)); assertIntEquals(13, $noinline$intReverseCondition(41)); assertIntEquals(13, $noinline$intReverseConditionNaN(-5)); for (String condition : new String[] { "Equal", "NotEqual" }) { for (String constant : new String[] { "True", "False" }) { for (String side : new String[] { "Rhs", "Lhs" }) { String name = condition + constant + side; assertIntEquals(5, $noinline$runSmaliTest(name, true)); assertIntEquals(3, $noinline$runSmaliTest(name, false)); } } } assertIntEquals(0, $noinline$runSmaliTestInt("AddSubConst", 1)); assertIntEquals(3, $noinline$runSmaliTestInt("SubAddConst", 2)); assertIntEquals(-16, $noinline$runSmaliTestInt("SubSubConst1", 3)); assertIntEquals(-5, $noinline$runSmaliTestInt("SubSubConst2", 4)); assertIntEquals(26, $noinline$runSmaliTestInt("SubSubConst3", 5)); assertIntEquals(0x5e6f7808, $noinline$intUnnecessaryShiftMasking(0xabcdef01, 3)); assertIntEquals(0x5e6f7808, $noinline$intUnnecessaryShiftMasking(0xabcdef01, 3 + 32)); assertLongEquals(0xffffffffffffeaf3L, $noinline$longUnnecessaryShiftMasking(0xabcdef0123456789L, 50)); assertLongEquals(0xffffffffffffeaf3L, $noinline$longUnnecessaryShiftMasking(0xabcdef0123456789L, 50 + 64)); assertIntEquals(0x2af37b, $noinline$intUnnecessaryWiderShiftMasking(0xabcdef01, 10)); assertIntEquals(0x2af37b, $noinline$intUnnecessaryWiderShiftMasking(0xabcdef01, 10 + 128)); assertLongEquals(0xaf37bc048d159e24L, $noinline$longSmallerShiftMasking(0xabcdef0123456789L, 2)); assertLongEquals(0xaf37bc048d159e24L, $noinline$longSmallerShiftMasking(0xabcdef0123456789L, 2 + 256)); assertIntEquals(0xfffd5e7c, $noinline$otherUseOfUnnecessaryShiftMasking(0xabcdef01, 13)); assertIntEquals(0xfffd5e7c, $noinline$otherUseOfUnnecessaryShiftMasking(0xabcdef01, 13 + 512)); assertIntEquals(0x5f49eb48, $noinline$intUnnecessaryShiftModifications(0xabcdef01, 2)); assertIntEquals(0xbd4c29b0, $noinline$intUnnecessaryShiftModifications(0xabcdef01, 3)); assertIntEquals(0xc0fed1ca, $noinline$intNecessaryShiftModifications(0xabcdef01, 2)); assertIntEquals(0x03578ebc, $noinline$intNecessaryShiftModifications(0xabcdef01, 3)); assertIntEquals(654321, $noinline$intAddSubSimplifyArg1(arg, 654321)); assertIntEquals(arg, $noinline$intAddSubSimplifyArg2(arg, 654321)); assertIntEquals(arg, $noinline$intSubAddSimplifyLeft(arg, 654321)); assertIntEquals(arg, $noinline$intSubAddSimplifyRight(arg, 654321)); assertFloatEquals(654321.125f, $noinline$floatAddSubSimplifyArg1(floatArg, 654321.125f)); assertFloatEquals(floatArg, $noinline$floatAddSubSimplifyArg2(floatArg, 654321.125f)); assertFloatEquals(floatArg, $noinline$floatSubAddSimplifyLeft(floatArg, 654321.125f)); assertFloatEquals(floatArg, $noinline$floatSubAddSimplifyRight(floatArg, 654321.125f)); Main m = new Main(); m.instanceByteField = -1; assertIntEquals(0xff, $noinline$getUint8FromInstanceByteField(m)); staticByteField = -2; assertIntEquals(0xfe, $noinline$getUint8FromStaticByteField()); assertIntEquals(0xfd, $noinline$getUint8FromByteArray(new byte[] { -3 })); m.instanceShortField = -4; assertIntEquals(0xfffc, $noinline$getUint16FromInstanceShortField(m)); staticShortField = -5; assertIntEquals(0xfffb, $noinline$getUint16FromStaticShortField()); assertIntEquals(0xfffa, $noinline$getUint16FromShortArray(new short[] { -6 })); m.instanceCharField = 0xfff9; assertIntEquals(-7, $noinline$getInt16FromInstanceCharField(m)); staticCharField = 0xfff8; assertIntEquals(-8, $noinline$getInt16FromStaticCharField()); assertIntEquals(-9, $noinline$getInt16FromCharArray(new char[] { 0xfff7 })); staticCharField = 0xfff6; assertIntEquals(0xf6, $noinline$getStaticCharFieldAnd0xff()); staticByteField = -11; assertIntEquals(-11, $noinline$byteToUint8AndBack()); m.instanceByteField = -12; assertIntEquals(0xfffff4f4, $noinline$getUint8FromInstanceByteFieldWithAnotherUse(m)); assertIntEquals(0x21, $noinline$intAnd0xffToChar(0x87654321)); assertIntEquals(0x121, $noinline$intAnd0x1ffToChar(0x87654321)); m.instanceCharField = 'x'; assertIntEquals('x', $noinline$getInstanceCharFieldAnd0x1ffff(m)); assertIntEquals(0x7f, $noinline$bug68142795Byte((byte) 0x7f)); assertIntEquals((byte) 0x80, $noinline$bug68142795Byte((byte) 0x80)); assertIntEquals(0x7fff, (int)$noinline$bug68142795Short.invoke(null, (short) 0x7fff)); assertIntEquals((short) 0x8000, (int)$noinline$bug68142795Short.invoke(null, (short) 0x8000)); assertIntEquals(0, (int)$noinline$bug68142795Boolean.invoke(null, false)); assertIntEquals(1, (int)$noinline$bug68142795Boolean.invoke(null, true)); assertIntEquals(0x7f, $noinline$bug68142795Elaborate((byte) 0x7f)); assertIntEquals((byte) 0x80, $noinline$bug68142795Elaborate((byte) 0x80)); assertIntEquals(-1, $noinline$emptyStringIndexOf('a')); assertIntEquals(-1, $noinline$emptyStringIndexOf('Z')); assertIntEquals(-1, $noinline$emptyStringIndexOfAfter('a', 0)); assertIntEquals(-1, $noinline$emptyStringIndexOfAfter('Z', -1)); assertIntEquals(-1, $noinline$singleCharStringIndexOf('a')); assertIntEquals(0, $noinline$singleCharStringIndexOf('x')); assertIntEquals(-1, $noinline$singleCharStringIndexOf('Z')); assertIntEquals(-1, $noinline$singleCharStringIndexOfAfter('a', 0)); assertIntEquals(0, $noinline$singleCharStringIndexOfAfter('x', -1)); assertIntEquals(-1, $noinline$singleCharStringIndexOfAfter('x', 1)); assertIntEquals(-1, $noinline$singleCharStringIndexOfAfter('Z', -1)); } private static boolean $inline$true() { return true; } private static boolean $inline$false() { return false; } public static boolean booleanField; public static byte staticByteField; public static char staticCharField; public static short staticShortField; public byte instanceByteField; public char instanceCharField; public short instanceShortField; }