/* * 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 { static boolean doThrow = false; 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: <> ParameterValue /// CHECK-DAG: <> LongConstant 0 /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Add0(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Add0(long) instruction_simplifier (after) /// CHECK-NOT: Add public static long $noinline$Add0(long arg) { if (doThrow) { throw new Error(); } return 0 + arg; } /// CHECK-START: int Main.$noinline$AndAllOnes(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant -1 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$AndAllOnes(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$AndAllOnes(int) instruction_simplifier (after) /// CHECK-NOT: And public static int $noinline$AndAllOnes(int arg) { if (doThrow) { throw new Error(); } return arg & -1; } /// CHECK-START: int Main.$noinline$UShr28And15(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 28 /// CHECK-DAG: <> IntConstant 15 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$UShr28And15(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 28 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$UShr28And15(int) instruction_simplifier (after) /// CHECK-NOT: And public static int $noinline$UShr28And15(int arg) { if (doThrow) { throw new Error(); } return (arg >>> 28) & 15; } /// CHECK-START: long Main.$noinline$UShr60And15(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 60 /// CHECK-DAG: <> LongConstant 15 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$UShr60And15(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 60 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$UShr60And15(long) instruction_simplifier (after) /// CHECK-NOT: And public static long $noinline$UShr60And15(long arg) { if (doThrow) { throw new Error(); } return (arg >>> 60) & 15; } /// CHECK-START: int Main.$noinline$UShr28And7(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 28 /// CHECK-DAG: <> IntConstant 7 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$UShr28And7(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 28 /// CHECK-DAG: <> IntConstant 7 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$UShr28And7(int arg) { if (doThrow) { throw new Error(); } return (arg >>> 28) & 7; } /// CHECK-START: long Main.$noinline$UShr60And7(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 60 /// CHECK-DAG: <> LongConstant 7 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$UShr60And7(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 60 /// CHECK-DAG: <> LongConstant 7 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] public static long $noinline$UShr60And7(long arg) { if (doThrow) { throw new Error(); } return (arg >>> 60) & 7; } /// CHECK-START: int Main.$noinline$Shr24And255(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 24 /// CHECK-DAG: <> IntConstant 255 /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$Shr24And255(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 24 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$Shr24And255(int) instruction_simplifier (after) /// CHECK-NOT: Shr /// CHECK-NOT: And public static int $noinline$Shr24And255(int arg) { if (doThrow) { throw new Error(); } return (arg >> 24) & 255; } /// CHECK-START: long Main.$noinline$Shr56And255(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 56 /// CHECK-DAG: <> LongConstant 255 /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Shr56And255(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 56 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Shr56And255(long) instruction_simplifier (after) /// CHECK-NOT: Shr /// CHECK-NOT: And public static long $noinline$Shr56And255(long arg) { if (doThrow) { throw new Error(); } return (arg >> 56) & 255; } /// CHECK-START: int Main.$noinline$Shr24And127(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 24 /// CHECK-DAG: <> IntConstant 127 /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$Shr24And127(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 24 /// CHECK-DAG: <> IntConstant 127 /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$Shr24And127(int arg) { if (doThrow) { throw new Error(); } return (arg >> 24) & 127; } /// CHECK-START: long Main.$noinline$Shr56And127(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 56 /// CHECK-DAG: <> LongConstant 127 /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Shr56And127(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 56 /// CHECK-DAG: <> LongConstant 127 /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: Return [<>] public static long $noinline$Shr56And127(long arg) { if (doThrow) { throw new Error(); } return (arg >> 56) & 127; } /// CHECK-START: long Main.$noinline$Div1(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> LongConstant 1 /// CHECK-DAG: <> Div [<>,<>] /// CHECK-DAG: Return [<
>] /// CHECK-START: long Main.$noinline$Div1(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Div1(long) instruction_simplifier (after) /// CHECK-NOT: Div public static long $noinline$Div1(long arg) { if (doThrow) { throw new Error(); } return arg / 1; } /// CHECK-START: int Main.$noinline$DivN1(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant -1 /// CHECK-DAG: <> Div [<>,<>] /// CHECK-DAG: Return [<
>] /// CHECK-START: int Main.$noinline$DivN1(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$DivN1(int) instruction_simplifier (after) /// CHECK-NOT: Div public static int $noinline$DivN1(int arg) { if (doThrow) { throw new Error(); } return arg / -1; } /// CHECK-START: long Main.$noinline$Mul1(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> LongConstant 1 /// CHECK-DAG: <> Mul [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Mul1(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Mul1(long) instruction_simplifier (after) /// CHECK-NOT: Mul public static long $noinline$Mul1(long arg) { if (doThrow) { throw new Error(); } return arg * 1; } /// CHECK-START: int Main.$noinline$MulN1(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant -1 /// CHECK-DAG: <> Mul [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$MulN1(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$MulN1(int) instruction_simplifier (after) /// CHECK-NOT: Mul public static int $noinline$MulN1(int arg) { if (doThrow) { throw new Error(); } return arg * -1; } /// CHECK-START: long Main.$noinline$MulPowerOfTwo128(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> LongConstant 128 /// CHECK-DAG: <> Mul [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$MulPowerOfTwo128(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 7 /// CHECK-DAG: <> Shl [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$MulPowerOfTwo128(long) instruction_simplifier (after) /// CHECK-NOT: Mul public static long $noinline$MulPowerOfTwo128(long arg) { if (doThrow) { throw new Error(); } return arg * 128; } /// CHECK-START: int Main.$noinline$Or0(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$Or0(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$Or0(int) instruction_simplifier (after) /// CHECK-NOT: Or public static int $noinline$Or0(int arg) { if (doThrow) { throw new Error(); } return arg | 0; } /// CHECK-START: long Main.$noinline$OrSame(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$OrSame(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$OrSame(long) instruction_simplifier (after) /// CHECK-NOT: Or public static long $noinline$OrSame(long arg) { if (doThrow) { throw new Error(); } return arg | arg; } /// CHECK-START: int Main.$noinline$Shl0(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> Shl [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$Shl0(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$Shl0(int) instruction_simplifier (after) /// CHECK-NOT: Shl public static int $noinline$Shl0(int arg) { if (doThrow) { throw new Error(); } return arg << 0; } /// CHECK-START: long Main.$noinline$Shr0(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Shr0(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Shr0(long) instruction_simplifier (after) /// CHECK-NOT: Shr public static long $noinline$Shr0(long arg) { if (doThrow) { throw new Error(); } return arg >> 0; } /// CHECK-START: long Main.$noinline$Shr64(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 64 /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Shr64(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Shr64(long) instruction_simplifier (after) /// CHECK-NOT: Shr public static long $noinline$Shr64(long arg) { if (doThrow) { throw new Error(); } return arg >> 64; } /// CHECK-START: long Main.$noinline$Sub0(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> LongConstant 0 /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Sub0(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$Sub0(long) instruction_simplifier (after) /// CHECK-NOT: Sub public static long $noinline$Sub0(long arg) { if (doThrow) { throw new Error(); } return arg - 0; } /// CHECK-START: int Main.$noinline$SubAliasNeg(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$SubAliasNeg(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$SubAliasNeg(int) instruction_simplifier (after) /// CHECK-NOT: Sub public static int $noinline$SubAliasNeg(int arg) { if (doThrow) { throw new Error(); } return 0 - arg; } /// CHECK-START: long Main.$noinline$UShr0(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$UShr0(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$UShr0(long) instruction_simplifier (after) /// CHECK-NOT: UShr public static long $noinline$UShr0(long arg) { if (doThrow) { throw new Error(); } return arg >>> 0; } /// CHECK-START: int Main.$noinline$Xor0(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> Xor [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$Xor0(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$Xor0(int) instruction_simplifier (after) /// CHECK-NOT: Xor public static int $noinline$Xor0(int arg) { if (doThrow) { throw new Error(); } return arg ^ 0; } /// CHECK-START: int Main.$noinline$XorAllOnes(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant -1 /// CHECK-DAG: <> Xor [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$XorAllOnes(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Not [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$XorAllOnes(int) instruction_simplifier (after) /// CHECK-NOT: Xor public static int $noinline$XorAllOnes(int arg) { if (doThrow) { throw new Error(); } return arg ^ -1; } /** * 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$AddNegs1(int, int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-NOT: Neg /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: Return [<>] public static int $noinline$AddNegs1(int arg1, int arg2) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$AddNegs2(int, int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-NOT: Neg /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$AddNegs2(int, int) GVN (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$AddNegs2(int arg1, int arg2) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK: Goto // -------------- Loop /// CHECK: SuspendCheck /// CHECK: <> Add [<>,<>] /// CHECK: Goto /// CHECK-START: long Main.$noinline$AddNegs3(long, long) instruction_simplifier (after) // -------------- Arguments and initial negation operations. /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK: Goto // -------------- Loop /// CHECK: SuspendCheck /// CHECK: <> Add [<>,<>] /// CHECK-NOT: Neg /// CHECK: Goto public static long $noinline$AddNegs3(long arg1, long arg2) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$AddNeg1(long, long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: Return [<>] /// 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) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$AddNeg2(long, long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$AddNeg2(long, long) instruction_simplifier (after) /// CHECK-NOT: Sub public static long $noinline$AddNeg2(long arg1, long arg2) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$NegNeg1(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$NegNeg1(long) instruction_simplifier (after) /// CHECK-NOT: Neg public static long $noinline$NegNeg1(long arg) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$NegNeg2(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: Return [<>] /// 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_inlining (after) /// CHECK: <> IntConstant 0 /// CHECK-NOT: Neg /// CHECK-NOT: Add /// CHECK: Return [<>] public static int $noinline$NegNeg2(int arg) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> LongConstant 0 /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$NegNeg3(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$NegNeg3(long) instruction_simplifier (after) /// CHECK-NOT: Neg /// CHECK-NOT: Sub public static long $noinline$NegNeg3(long arg) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$NegSub1(int, int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$NegSub1(int, int) instruction_simplifier (after) /// CHECK-NOT: Neg public static int $noinline$NegSub1(int arg1, int arg2) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$NegSub2(int, int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$NegSub2(int arg1, int arg2) { if (doThrow) { throw new Error(); } int temp = arg1 - arg2; return -temp | -temp; } /** * Test simplification of the `~~var` pattern. * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNot`. */ /// CHECK-START: long Main.$noinline$NotNot1(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Not [<>] /// CHECK-DAG: <> Not [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$NotNot1(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$NotNot1(long) instruction_simplifier (after) /// CHECK-NOT: Not public static long $noinline$NotNot1(long arg) { if (doThrow) { throw new Error(); } return ~~arg; } /// CHECK-START: int Main.$noinline$NotNot2(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Not [<>] /// CHECK-DAG: <> Not [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$NotNot2(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Not [<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$NotNot2(int) instruction_simplifier (after) /// CHECK: Not /// CHECK-NOT: Not public static int $noinline$NotNot2(int arg) { if (doThrow) { throw new Error(); } int temp = ~arg; 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$SubNeg1(int, int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$SubNeg1(int, int) instruction_simplifier (after) /// CHECK-NOT: Sub public static int $noinline$SubNeg1(int arg1, int arg2) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$SubNeg2(int, int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: <> Sub [<>,<>] /// CHECK-DAG: <> Or [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$SubNeg2(int, int) instruction_simplifier (after) /// CHECK-NOT: Add public static int $noinline$SubNeg2(int arg1, int arg2) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK: Goto // -------------- Loop /// CHECK: SuspendCheck /// CHECK: <> Sub [<>,<>] /// CHECK: Goto /// CHECK-START: long Main.$noinline$SubNeg3(long, long) instruction_simplifier (after) // -------------- Arguments and initial negation operation. /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> Neg [<>] /// CHECK-DAG: Goto // -------------- Loop /// CHECK: SuspendCheck /// CHECK: <> Sub [<>,<>] /// CHECK-NOT: Neg /// CHECK: Goto public static long $noinline$SubNeg3(long arg1, long arg2) { if (doThrow) { throw new Error(); } 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) instruction_simplifier_after_bce (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> IntConstant 1 /// CHECK-DAG: <> IntConstant 2 /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: <> Equal [<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: boolean Main.$noinline$EqualBoolVsIntConst(boolean) instruction_simplifier_after_bce (after) /// CHECK-DAG: <> IntConstant 1 /// CHECK-DAG: Return [<>] public static boolean $noinline$EqualBoolVsIntConst(boolean arg) { if (doThrow) { throw new Error(); } return (arg ? 0 : 1) != 2; } /// CHECK-START: boolean Main.$noinline$NotEqualBoolVsIntConst(boolean) instruction_simplifier_after_bce (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> IntConstant 1 /// CHECK-DAG: <> IntConstant 2 /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: <> NotEqual [<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: boolean Main.$noinline$NotEqualBoolVsIntConst(boolean) instruction_simplifier_after_bce (after) /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: Return [<>] public static boolean $noinline$NotEqualBoolVsIntConst(boolean arg) { if (doThrow) { throw new Error(); } return (arg ? 0 : 1) == 2; } /* * Test simplification of double Boolean negation. Note that sometimes * both negations can be removed but we only expect the simplifier to * remove the second. */ /// CHECK-START: boolean Main.$noinline$NotNotBool(boolean) instruction_simplifier_after_bce (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> IntConstant 1 /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: boolean Main.$noinline$NotNotBool(boolean) instruction_simplifier_after_bce (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] public static boolean NegateValue(boolean arg) { return !arg; } public static boolean $noinline$NotNotBool(boolean arg) { if (doThrow) { throw new Error(); } return !(NegateValue(arg)); } /// CHECK-START: float Main.$noinline$Div2(float) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> FloatConstant 2 /// CHECK-DAG: <> Div [<>,<>] /// CHECK-DAG: Return [<
>] /// CHECK-START: float Main.$noinline$Div2(float) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> FloatConstant 0.5 /// CHECK-DAG: <> Mul [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: float Main.$noinline$Div2(float) instruction_simplifier (after) /// CHECK-NOT: Div public static float $noinline$Div2(float arg) { if (doThrow) { throw new Error(); } return arg / 2.0f; } /// CHECK-START: double Main.$noinline$Div2(double) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> DoubleConstant 2 /// CHECK-DAG: <> Div [<>,<>] /// CHECK-DAG: Return [<
>] /// CHECK-START: double Main.$noinline$Div2(double) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> DoubleConstant 0.5 /// CHECK-DAG: <> Mul [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: double Main.$noinline$Div2(double) instruction_simplifier (after) /// CHECK-NOT: Div public static double $noinline$Div2(double arg) { if (doThrow) { throw new Error(); } return arg / 2.0; } /// CHECK-START: float Main.$noinline$DivMP25(float) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> FloatConstant -0.25 /// CHECK-DAG: <> Div [<>,<>] /// CHECK-DAG: Return [<
>] /// CHECK-START: float Main.$noinline$DivMP25(float) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> FloatConstant -4 /// CHECK-DAG: <> Mul [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: float Main.$noinline$DivMP25(float) instruction_simplifier (after) /// CHECK-NOT: Div public static float $noinline$DivMP25(float arg) { if (doThrow) { throw new Error(); } return arg / -0.25f; } /// CHECK-START: double Main.$noinline$DivMP25(double) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> DoubleConstant -0.25 /// CHECK-DAG: <> Div [<>,<>] /// CHECK-DAG: Return [<
>] /// CHECK-START: double Main.$noinline$DivMP25(double) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> DoubleConstant -4 /// CHECK-DAG: <> Mul [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: double Main.$noinline$DivMP25(double) instruction_simplifier (after) /// CHECK-NOT: Div public static double $noinline$DivMP25(double arg) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> IntConstant 9 /// CHECK: Mul [<>,<>] /// CHECK-START: int Main.$noinline$mulPow2Plus1(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 3 /// CHECK: <> Shl [<>,<>] /// CHECK-NEXT: Add [<>,<>] public static int $noinline$mulPow2Plus1(int arg) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> LongConstant 31 /// CHECK: Mul [<>,<>] /// CHECK-START: long Main.$noinline$mulPow2Minus1(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 5 /// CHECK: <> Shl [<>,<>] /// CHECK-NEXT: Sub [<>,<>] public static long $noinline$mulPow2Minus1(long arg) { if (doThrow) { throw new Error(); } return arg * 31; } /// CHECK-START: int Main.$noinline$booleanFieldNotEqualOne() instruction_simplifier_after_bce (before) /// CHECK-DAG: <> IntConstant 1 /// CHECK-DAG: <> IntConstant 13 /// CHECK-DAG: <> IntConstant 54 /// CHECK-DAG: <> StaticFieldGet /// CHECK-DAG: <> StaticFieldGet /// CHECK-DAG: <> NotEqual [<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$booleanFieldNotEqualOne() { if (doThrow) { throw new Error(); } return (booleanField == $inline$true()) ? 13 : 54; } /// CHECK-START: int Main.$noinline$booleanFieldEqualZero() instruction_simplifier_after_bce (before) /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> IntConstant 13 /// CHECK-DAG: <> IntConstant 54 /// CHECK-DAG: <> StaticFieldGet /// CHECK-DAG: <> StaticFieldGet /// CHECK-DAG: <> Equal [<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$booleanFieldEqualZero() { if (doThrow) { throw new Error(); } return (booleanField != $inline$false()) ? 13 : 54; } /// CHECK-START: int Main.$noinline$intConditionNotEqualOne(int) instruction_simplifier_after_bce (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> IntConstant 1 /// CHECK-DAG: <> IntConstant 13 /// CHECK-DAG: <> IntConstant 42 /// CHECK-DAG: <> IntConstant 54 /// CHECK-DAG: <> LessThanOrEqual [<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: <> NotEqual [<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$intConditionNotEqualOne(int) instruction_simplifier_after_bce (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 13 /// CHECK-DAG: <> IntConstant 42 /// CHECK-DAG: <> IntConstant 54 /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: <> LessThanOrEqual [<>,<>] /// CHECK-DAG: Return [<>] // Note that we match `LE` from Select because there are two identical // LessThanOrEqual instructions. public static int $noinline$intConditionNotEqualOne(int i) { if (doThrow) { throw new Error(); } return ((i > 42) == $inline$true()) ? 13 : 54; } /// CHECK-START: int Main.$noinline$intConditionEqualZero(int) instruction_simplifier_after_bce (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 0 /// CHECK-DAG: <> IntConstant 1 /// CHECK-DAG: <> IntConstant 13 /// CHECK-DAG: <> IntConstant 42 /// CHECK-DAG: <> IntConstant 54 /// CHECK-DAG: <> LessThanOrEqual [<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: <> Equal [<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$intConditionEqualZero(int) instruction_simplifier_after_bce (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 13 /// CHECK-DAG: <> IntConstant 42 /// CHECK-DAG: <> IntConstant 54 /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: <> LessThanOrEqual [<>,<>] /// CHECK-DAG: Return [<>] // Note that we match `LE` from Select because there are two identical // LessThanOrEqual instructions. public static int $noinline$intConditionEqualZero(int i) { if (doThrow) { throw new Error(); } 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: <> ParameterValue /// CHECK-DAG: <> IntConstant 13 /// CHECK-DAG: <> IntConstant 54 /// CHECK-DAG: <> FloatConstant 42 /// CHECK-DAG: <> LessThanOrEqual [<>,<>] /// CHECK-DAG: <> Select [<>,<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$doubleConditionEqualZero(double d) { if (doThrow) { throw new Error(); } return ((d > 42.0) != false) ? 13 : 54; } /// CHECK-START: int Main.$noinline$intToDoubleToInt(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$intToDoubleToInt(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$intToDoubleToInt(int) instruction_simplifier (after) /// CHECK-NOT: TypeConversion public static int $noinline$intToDoubleToInt(int value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: {{i\d+}} TypeConversion [<>] /// CHECK-START: java.lang.String Main.$noinline$intToDoubleToIntPrint(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: {{d\d+}} TypeConversion [<>] /// 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) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$byteToDoubleToInt(byte) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$byteToDoubleToInt(byte) instruction_simplifier (after) /// CHECK-NOT: TypeConversion public static int $noinline$byteToDoubleToInt(byte value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$floatToDoubleToInt(float) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$floatToDoubleToInt(float) instruction_simplifier (after) /// CHECK-DAG: TypeConversion /// CHECK-NOT: TypeConversion public static int $noinline$floatToDoubleToInt(float value) { if (doThrow) { throw new Error(); } // Lossless conversion followed by another conversion. return (int) (double) value; } /// CHECK-START: java.lang.String Main.$noinline$floatToDoubleToIntPrint(float) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: {{i\d+}} TypeConversion [<>] /// CHECK-START: java.lang.String Main.$noinline$floatToDoubleToIntPrint(float) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: {{i\d+}} TypeConversion [<>] public static String $noinline$floatToDoubleToIntPrint(float value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: short Main.$noinline$byteToDoubleToShort(byte) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] /// CHECK-START: short Main.$noinline$byteToDoubleToShort(byte) instruction_simplifier (after) /// CHECK-NOT: TypeConversion public static short $noinline$byteToDoubleToShort(byte value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: short Main.$noinline$charToDoubleToShort(char) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: short Main.$noinline$charToDoubleToShort(char) instruction_simplifier (after) /// CHECK-DAG: TypeConversion /// CHECK-NOT: TypeConversion public static short $noinline$charToDoubleToShort(char value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: short Main.$noinline$floatToIntToShort(float) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] public static short $noinline$floatToIntToShort(float value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$intToFloatToInt(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] public static int $noinline$intToFloatToInt(int value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: double Main.$noinline$longToIntToDouble(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] public static double $noinline$longToIntToDouble(long value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$longToIntToLong(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] public static long $noinline$longToIntToLong(long value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: short Main.$noinline$shortToCharToShort(short) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] public static short $noinline$shortToCharToShort(short value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$shortToLongToInt(short) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: Return [<>] public static int $noinline$shortToLongToInt(short value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: byte Main.$noinline$shortToCharToByte(short) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] public static byte $noinline$shortToCharToByte(short value) { if (doThrow) { throw new Error(); } // 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: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: {{b\d+}} TypeConversion [<>] /// CHECK-START: java.lang.String Main.$noinline$shortToCharToBytePrint(short) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: {{b\d+}} TypeConversion [<>] public static String $noinline$shortToCharToBytePrint(short value) { if (doThrow) { throw new Error(); } // 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: byte Main.$noinline$longAnd0xffToByte(long) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> LongConstant 255 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: byte Main.$noinline$longAnd0xffToByte(long) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: byte Main.$noinline$longAnd0xffToByte(long) instruction_simplifier (after) /// CHECK-NOT: And public static byte $noinline$longAnd0xffToByte(long value) { if (doThrow) { throw new Error(); } return (byte) (value & 0xff); } /// CHECK-START: char Main.$noinline$intAnd0x1ffffToChar(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 131071 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: char Main.$noinline$intAnd0x1ffffToChar(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: char Main.$noinline$intAnd0x1ffffToChar(int) instruction_simplifier (after) /// CHECK-NOT: And public static char $noinline$intAnd0x1ffffToChar(int value) { if (doThrow) { throw new Error(); } // Keeping all significant bits and one more. return (char) (value & 0x1ffff); } /// CHECK-START: short Main.$noinline$intAnd0x17fffToShort(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 98303 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: short Main.$noinline$intAnd0x17fffToShort(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 98303 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] public static short $noinline$intAnd0x17fffToShort(int value) { if (doThrow) { throw new Error(); } // No simplification: clearing a significant bit. return (short) (value & 0x17fff); } /// CHECK-START: double Main.$noinline$shortAnd0xffffToShortToDouble(short) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 65535 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] /// CHECK-START: double Main.$noinline$shortAnd0xffffToShortToDouble(short) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> TypeConversion [<>] /// CHECK-DAG: Return [<>] public static double $noinline$shortAnd0xffffToShortToDouble(short value) { if (doThrow) { throw new Error(); } short same = (short) (value & 0xffff); return (double) same; } /// CHECK-START: int Main.$noinline$intReverseCondition(int) instruction_simplifier (before) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 42 /// CHECK-DAG: <> LessThanOrEqual [<>,<>] /// CHECK-START: int Main.$noinline$intReverseCondition(int) instruction_simplifier (after) /// CHECK-DAG: <> ParameterValue /// CHECK-DAG: <> IntConstant 42 /// CHECK-DAG: <> GreaterThanOrEqual [<>,<>] public static int $noinline$intReverseCondition(int i) { if (doThrow) { throw new Error(); } return (42 > i) ? 13 : 54; } /// CHECK-START: int Main.$noinline$intReverseConditionNaN(int) instruction_simplifier (before) /// CHECK-DAG: <> DoubleConstant 42 /// CHECK-DAG: <> InvokeStaticOrDirect /// CHECK-DAG: <> Compare [<>,<>] /// CHECK-START: int Main.$noinline$intReverseConditionNaN(int) instruction_simplifier (after) /// CHECK-DAG: <> DoubleConstant 42 /// CHECK-DAG: <> InvokeStaticOrDirect /// CHECK-DAG: <> Equal [<>,<>] public static int $noinline$intReverseConditionNaN(int i) { if (doThrow) { throw new Error(); } return (42 != Math.sqrt(i)) ? 13 : 54; } public static int $noinline$runSmaliTest(String name, boolean input) { if (doThrow) { throw new Error(); } try { Class c = Class.forName("SmaliTests"); Method m = c.getMethod(name, new Class[] { boolean.class }); return (Integer) m.invoke(null, input); } catch (Exception ex) { throw new Error(ex); } } /// CHECK-START: int Main.$noinline$intUnnecessaryShiftMasking(int, int) instruction_simplifier (before) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> IntConstant 31 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> Shl [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$intUnnecessaryShiftMasking(int, int) instruction_simplifier (after) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> Shl [<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$intUnnecessaryShiftMasking(int value, int shift) { if (doThrow) { throw new Error(); } return value << (shift & 31); } /// CHECK-START: long Main.$noinline$longUnnecessaryShiftMasking(long, int) instruction_simplifier (before) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> IntConstant 63 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$longUnnecessaryShiftMasking(long, int) instruction_simplifier (after) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: Return [<>] public static long $noinline$longUnnecessaryShiftMasking(long value, int shift) { if (doThrow) { throw new Error(); } return value >> (shift & 63); } /// CHECK-START: int Main.$noinline$intUnnecessaryWiderShiftMasking(int, int) instruction_simplifier (before) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> IntConstant 255 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$intUnnecessaryWiderShiftMasking(int, int) instruction_simplifier (after) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> UShr [<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$intUnnecessaryWiderShiftMasking(int value, int shift) { if (doThrow) { throw new Error(); } return value >>> (shift & 0xff); } /// CHECK-START: long Main.$noinline$longSmallerShiftMasking(long, int) instruction_simplifier (before) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> IntConstant 3 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> Shl [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: long Main.$noinline$longSmallerShiftMasking(long, int) instruction_simplifier (after) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> IntConstant 3 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> Shl [<>,<>] /// CHECK-DAG: Return [<>] public static long $noinline$longSmallerShiftMasking(long value, int shift) { if (doThrow) { throw new Error(); } return value << (shift & 3); } /// CHECK-START: int Main.$noinline$otherUseOfUnnecessaryShiftMasking(int, int) instruction_simplifier (before) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> IntConstant 31 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: Return [<>] /// CHECK-START: int Main.$noinline$otherUseOfUnnecessaryShiftMasking(int, int) instruction_simplifier (after) /// CHECK: <> ParameterValue /// CHECK: <> ParameterValue /// CHECK-DAG: <> IntConstant 31 /// CHECK-DAG: <> And [<>,<>] /// CHECK-DAG: <> Shr [<>,<>] /// CHECK-DAG: <> Add [<>,<>] /// CHECK-DAG: Return [<>] public static int $noinline$otherUseOfUnnecessaryShiftMasking(int value, int shift) { if (doThrow) { throw new Error(); } int temp = shift & 31; return (value >> temp) + temp; } public static void main(String[] args) { int arg = 123456; assertLongEquals(arg, $noinline$Add0(arg)); 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)); 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)); assertLongEquals(arg, $noinline$UShr0(arg)); assertIntEquals(arg, $noinline$Xor0(arg)); assertIntEquals(~arg, $noinline$XorAllOnes(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, $noinline$NotNot1(arg)); assertIntEquals(-1, $noinline$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, $noinline$NotNotBool(true)); assertBooleanEquals(false, $noinline$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)); assertLongEquals(0xc1L, $noinline$Shr56And255(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)); 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(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)); } private static boolean $inline$true() { return true; } private static boolean $inline$false() { return false; } public static boolean booleanField; }