Java程序
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/*
* Copyright (C) 2014 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 {
// Workaround for b/18051191.
class InnerClass {}
public static void assertFalse(boolean condition) {
if (condition) {
throw new Error();
}
}
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);
}
}
// Wrappers around methods located in file TestCmp.smali.
public int smaliCmpLongConstants() throws Exception {
Method m = testCmp.getMethod("$opt$CmpLongConstants");
return (Integer)m.invoke(null);
}
public int smaliCmpGtFloatConstants() throws Exception {
Method m = testCmp.getMethod("$opt$CmpGtFloatConstants");
return (Integer)m.invoke(null);
}
public int smaliCmpLtFloatConstants() throws Exception {
Method m = testCmp.getMethod("$opt$CmpLtFloatConstants");
return (Integer)m.invoke(null);
}
public int smaliCmpGtDoubleConstants() throws Exception {
Method m = testCmp.getMethod("$opt$CmpGtDoubleConstants");
return (Integer)m.invoke(null);
}
public int smaliCmpLtDoubleConstants() throws Exception {
Method m = testCmp.getMethod("$opt$CmpLtDoubleConstants");
return (Integer)m.invoke(null);
}
public int smaliCmpLongSameConstant() throws Exception {
Method m = testCmp.getMethod("$opt$CmpLongSameConstant");
return (Integer)m.invoke(null);
}
public int smaliCmpGtFloatSameConstant() throws Exception {
Method m = testCmp.getMethod("$opt$CmpGtFloatSameConstant");
return (Integer)m.invoke(null);
}
public int smaliCmpLtFloatSameConstant() throws Exception {
Method m = testCmp.getMethod("$opt$CmpLtFloatSameConstant");
return (Integer)m.invoke(null);
}
public int smaliCmpGtDoubleSameConstant() throws Exception {
Method m = testCmp.getMethod("$opt$CmpGtDoubleSameConstant");
return (Integer)m.invoke(null);
}
public int smaliCmpLtDoubleSameConstant() throws Exception {
Method m = testCmp.getMethod("$opt$CmpLtDoubleSameConstant");
return (Integer)m.invoke(null);
}
public int smaliCmpGtFloatConstantWithNaN() throws Exception {
Method m = testCmp.getMethod("$opt$CmpGtFloatConstantWithNaN");
return (Integer)m.invoke(null);
}
public int smaliCmpLtFloatConstantWithNaN() throws Exception {
Method m = testCmp.getMethod("$opt$CmpLtFloatConstantWithNaN");
return (Integer)m.invoke(null);
}
public int smaliCmpGtDoubleConstantWithNaN() throws Exception {
Method m = testCmp.getMethod("$opt$CmpGtDoubleConstantWithNaN");
return (Integer)m.invoke(null);
}
public int smaliCmpLtDoubleConstantWithNaN() throws Exception {
Method m = testCmp.getMethod("$opt$CmpLtDoubleConstantWithNaN");
return (Integer)m.invoke(null);
}
public static int smaliIntAddition2() throws Exception {
Method m = Class.forName("TestCmp").getMethod("IntAddition2");
return (Integer)m.invoke(null);
}
public static int smaliIntAddition2AddAndMove() throws Exception {
Method m = Class.forName("TestCmp").getMethod("IntAddition2AddAndMove");
return (Integer)m.invoke(null);
}
public static int smaliJumpsAndConditionals(boolean cond) throws Exception {
Method m = Class.forName("TestCmp").getMethod("JumpsAndConditionals", boolean.class);
return (Integer)m.invoke(null, cond);
}
/**
* Exercise constant folding on negation.
*/
/// CHECK-START: int Main.IntNegation() constant_folding (before)
/// CHECK-DAG: <<Const42:i\d+>> IntConstant 42
/// CHECK-DAG: <<Neg:i\d+>> Neg [<<Const42>>]
/// CHECK-DAG: Return [<<Neg>>]
/// CHECK-START: int Main.IntNegation() constant_folding (after)
/// CHECK-DAG: <<ConstN42:i\d+>> IntConstant -42
/// CHECK-DAG: Return [<<ConstN42>>]
/// CHECK-START: int Main.IntNegation() constant_folding (after)
/// CHECK-NOT: Neg
public static int IntNegation() {
int x, y;
x = 42;
y = -x;
return y;
}
/// CHECK-START: long Main.LongNegation() constant_folding (before)
/// CHECK-DAG: <<Const42:j\d+>> LongConstant 42
/// CHECK-DAG: <<Neg:j\d+>> Neg [<<Const42>>]
/// CHECK-DAG: Return [<<Neg>>]
/// CHECK-START: long Main.LongNegation() constant_folding (after)
/// CHECK-DAG: <<ConstN42:j\d+>> LongConstant -42
/// CHECK-DAG: Return [<<ConstN42>>]
/// CHECK-START: long Main.LongNegation() constant_folding (after)
/// CHECK-NOT: Neg
public static long LongNegation() {
long x, y;
x = 42L;
y = -x;
return y;
}
/// CHECK-START: float Main.FloatNegation() constant_folding (before)
/// CHECK-DAG: <<Const42:f\d+>> FloatConstant 42
/// CHECK-DAG: <<Neg:f\d+>> Neg [<<Const42>>]
/// CHECK-DAG: Return [<<Neg>>]
/// CHECK-START: float Main.FloatNegation() constant_folding (after)
/// CHECK-DAG: <<ConstN42:f\d+>> FloatConstant -42
/// CHECK-DAG: Return [<<ConstN42>>]
/// CHECK-START: float Main.FloatNegation() constant_folding (after)
/// CHECK-NOT: Neg
public static float FloatNegation() {
float x, y;
x = 42F;
y = -x;
return y;
}
/// CHECK-START: double Main.DoubleNegation() constant_folding (before)
/// CHECK-DAG: <<Const42:d\d+>> DoubleConstant 42
/// CHECK-DAG: <<Neg:d\d+>> Neg [<<Const42>>]
/// CHECK-DAG: Return [<<Neg>>]
/// CHECK-START: double Main.DoubleNegation() constant_folding (after)
/// CHECK-DAG: <<ConstN42:d\d+>> DoubleConstant -42
/// CHECK-DAG: Return [<<ConstN42>>]
/// CHECK-START: double Main.DoubleNegation() constant_folding (after)
/// CHECK-NOT: Neg
public static double DoubleNegation() {
double x, y;
x = 42D;
y = -x;
return y;
}
/**
* Exercise constant folding on addition.
*/
/// CHECK-START: int Main.IntAddition1() constant_folding (before)
/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: <<Add:i\d+>> Add [<<Const1>>,<<Const2>>]
/// CHECK-DAG: Return [<<Add>>]
/// CHECK-START: int Main.IntAddition1() constant_folding (after)
/// CHECK-DAG: <<Const3:i\d+>> IntConstant 3
/// CHECK-DAG: Return [<<Const3>>]
/// CHECK-START: int Main.IntAddition1() constant_folding (after)
/// CHECK-NOT: Add
public static int IntAddition1() {
int a, b, c;
a = 1;
b = 2;
c = a + b;
return c;
}
/// CHECK-START: int Main.IntAddition2() constant_folding (before)
/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: <<Const5:i\d+>> IntConstant 5
/// CHECK-DAG: <<Const6:i\d+>> IntConstant 6
/// CHECK-DAG: <<Add1:i\d+>> Add [<<Const1>>,<<Const2>>]
/// CHECK-DAG: Add [<<Const5>>,<<Const6>>]
/// CHECK-START: int Main.IntAddition2() constant_folding (after)
/// CHECK-DAG: <<Const14:i\d+>> IntConstant 14
/// CHECK-DAG: Return [<<Const14>>]
/// CHECK-START: int Main.IntAddition2() constant_folding (after)
/// CHECK-NOT: Add
public static int IntAddition2() {
int a, b, c;
a = 1;
b = 2;
a += b;
b = 5;
c = 6;
b += c;
c = a + b;
return c;
}
/// CHECK-START: long Main.LongAddition() constant_folding (before)
/// CHECK-DAG: <<Const1:j\d+>> LongConstant 1
/// CHECK-DAG: <<Const2:j\d+>> LongConstant 2
/// CHECK-DAG: <<Add:j\d+>> Add [<<Const1>>,<<Const2>>]
/// CHECK-DAG: Return [<<Add>>]
/// CHECK-START: long Main.LongAddition() constant_folding (after)
/// CHECK-DAG: <<Const3:j\d+>> LongConstant 3
/// CHECK-DAG: Return [<<Const3>>]
/// CHECK-START: long Main.LongAddition() constant_folding (after)
/// CHECK-NOT: Add
public static long LongAddition() {
long a, b, c;
a = 1L;
b = 2L;
c = a + b;
return c;
}
/// CHECK-START: float Main.FloatAddition() constant_folding (before)
/// CHECK-DAG: <<Const1:f\d+>> FloatConstant 1
/// CHECK-DAG: <<Const2:f\d+>> FloatConstant 2
/// CHECK-DAG: <<Add:f\d+>> Add [<<Const1>>,<<Const2>>]
/// CHECK-DAG: Return [<<Add>>]
/// CHECK-START: float Main.FloatAddition() constant_folding (after)
/// CHECK-DAG: <<Const3:f\d+>> FloatConstant 3
/// CHECK-DAG: Return [<<Const3>>]
/// CHECK-START: float Main.FloatAddition() constant_folding (after)
/// CHECK-NOT: Add
public static float FloatAddition() {
float a, b, c;
a = 1F;
b = 2F;
c = a + b;
return c;
}
/// CHECK-START: double Main.DoubleAddition() constant_folding (before)
/// CHECK-DAG: <<Const1:d\d+>> DoubleConstant 1
/// CHECK-DAG: <<Const2:d\d+>> DoubleConstant 2
/// CHECK-DAG: <<Add:d\d+>> Add [<<Const1>>,<<Const2>>]
/// CHECK-DAG: Return [<<Add>>]
/// CHECK-START: double Main.DoubleAddition() constant_folding (after)
/// CHECK-DAG: <<Const3:d\d+>> DoubleConstant 3
/// CHECK-DAG: Return [<<Const3>>]
/// CHECK-START: double Main.DoubleAddition() constant_folding (after)
/// CHECK-NOT: Add
public static double DoubleAddition() {
double a, b, c;
a = 1D;
b = 2D;
c = a + b;
return c;
}
/**
* Exercise constant folding on subtraction.
*/
/// CHECK-START: int Main.IntSubtraction() constant_folding (before)
/// CHECK-DAG: <<Const6:i\d+>> IntConstant 6
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const6>>,<<Const2>>]
/// CHECK-DAG: Return [<<Sub>>]
/// CHECK-START: int Main.IntSubtraction() constant_folding (after)
/// CHECK-DAG: <<Const4:i\d+>> IntConstant 4
/// CHECK-DAG: Return [<<Const4>>]
/// CHECK-START: int Main.IntSubtraction() constant_folding (after)
/// CHECK-NOT: Sub
public static int IntSubtraction() {
int a, b, c;
a = 6;
b = 2;
c = a - b;
return c;
}
/// CHECK-START: long Main.LongSubtraction() constant_folding (before)
/// CHECK-DAG: <<Const6:j\d+>> LongConstant 6
/// CHECK-DAG: <<Const2:j\d+>> LongConstant 2
/// CHECK-DAG: <<Sub:j\d+>> Sub [<<Const6>>,<<Const2>>]
/// CHECK-DAG: Return [<<Sub>>]
/// CHECK-START: long Main.LongSubtraction() constant_folding (after)
/// CHECK-DAG: <<Const4:j\d+>> LongConstant 4
/// CHECK-DAG: Return [<<Const4>>]
/// CHECK-START: long Main.LongSubtraction() constant_folding (after)
/// CHECK-NOT: Sub
public static long LongSubtraction() {
long a, b, c;
a = 6L;
b = 2L;
c = a - b;
return c;
}
/// CHECK-START: float Main.FloatSubtraction() constant_folding (before)
/// CHECK-DAG: <<Const6:f\d+>> FloatConstant 6
/// CHECK-DAG: <<Const2:f\d+>> FloatConstant 2
/// CHECK-DAG: <<Sub:f\d+>> Sub [<<Const6>>,<<Const2>>]
/// CHECK-DAG: Return [<<Sub>>]
/// CHECK-START: float Main.FloatSubtraction() constant_folding (after)
/// CHECK-DAG: <<Const4:f\d+>> FloatConstant 4
/// CHECK-DAG: Return [<<Const4>>]
/// CHECK-START: float Main.FloatSubtraction() constant_folding (after)
/// CHECK-NOT: Sub
public static float FloatSubtraction() {
float a, b, c;
a = 6F;
b = 2F;
c = a - b;
return c;
}
/// CHECK-START: double Main.DoubleSubtraction() constant_folding (before)
/// CHECK-DAG: <<Const6:d\d+>> DoubleConstant 6
/// CHECK-DAG: <<Const2:d\d+>> DoubleConstant 2
/// CHECK-DAG: <<Sub:d\d+>> Sub [<<Const6>>,<<Const2>>]
/// CHECK-DAG: Return [<<Sub>>]
/// CHECK-START: double Main.DoubleSubtraction() constant_folding (after)
/// CHECK-DAG: <<Const4:d\d+>> DoubleConstant 4
/// CHECK-DAG: Return [<<Const4>>]
/// CHECK-START: double Main.DoubleSubtraction() constant_folding (after)
/// CHECK-NOT: Sub
public static double DoubleSubtraction() {
double a, b, c;
a = 6D;
b = 2D;
c = a - b;
return c;
}
/**
* Exercise constant folding on multiplication.
*/
/// CHECK-START: int Main.IntMultiplication() constant_folding (before)
/// CHECK-DAG: <<Const7:i\d+>> IntConstant 7
/// CHECK-DAG: <<Const3:i\d+>> IntConstant 3
/// CHECK-DAG: <<Mul:i\d+>> Mul [<<Const7>>,<<Const3>>]
/// CHECK-DAG: Return [<<Mul>>]
/// CHECK-START: int Main.IntMultiplication() constant_folding (after)
/// CHECK-DAG: <<Const21:i\d+>> IntConstant 21
/// CHECK-DAG: Return [<<Const21>>]
/// CHECK-START: int Main.IntMultiplication() constant_folding (after)
/// CHECK-NOT: Mul
public static int IntMultiplication() {
int a, b, c;
a = 7;
b = 3;
c = a * b;
return c;
}
/// CHECK-START: long Main.LongMultiplication() constant_folding (before)
/// CHECK-DAG: <<Const7:j\d+>> LongConstant 7
/// CHECK-DAG: <<Const3:j\d+>> LongConstant 3
/// CHECK-DAG: <<Mul:j\d+>> Mul [<<Const7>>,<<Const3>>]
/// CHECK-DAG: Return [<<Mul>>]
/// CHECK-START: long Main.LongMultiplication() constant_folding (after)
/// CHECK-DAG: <<Const21:j\d+>> LongConstant 21
/// CHECK-DAG: Return [<<Const21>>]
/// CHECK-START: long Main.LongMultiplication() constant_folding (after)
/// CHECK-NOT: Mul
public static long LongMultiplication() {
long a, b, c;
a = 7L;
b = 3L;
c = a * b;
return c;
}
/// CHECK-START: float Main.FloatMultiplication() constant_folding (before)
/// CHECK-DAG: <<Const7:f\d+>> FloatConstant 7
/// CHECK-DAG: <<Const3:f\d+>> FloatConstant 3
/// CHECK-DAG: <<Mul:f\d+>> Mul [<<Const7>>,<<Const3>>]
/// CHECK-DAG: Return [<<Mul>>]
/// CHECK-START: float Main.FloatMultiplication() constant_folding (after)
/// CHECK-DAG: <<Const21:f\d+>> FloatConstant 21
/// CHECK-DAG: Return [<<Const21>>]
/// CHECK-START: float Main.FloatMultiplication() constant_folding (after)
/// CHECK-NOT: Mul
public static float FloatMultiplication() {
float a, b, c;
a = 7F;
b = 3F;
c = a * b;
return c;
}
/// CHECK-START: double Main.DoubleMultiplication() constant_folding (before)
/// CHECK-DAG: <<Const7:d\d+>> DoubleConstant 7
/// CHECK-DAG: <<Const3:d\d+>> DoubleConstant 3
/// CHECK-DAG: <<Mul:d\d+>> Mul [<<Const7>>,<<Const3>>]
/// CHECK-DAG: Return [<<Mul>>]
/// CHECK-START: double Main.DoubleMultiplication() constant_folding (after)
/// CHECK-DAG: <<Const21:d\d+>> DoubleConstant 21
/// CHECK-DAG: Return [<<Const21>>]
/// CHECK-START: double Main.DoubleMultiplication() constant_folding (after)
/// CHECK-NOT: Mul
public static double DoubleMultiplication() {
double a, b, c;
a = 7D;
b = 3D;
c = a * b;
return c;
}
/**
* Exercise constant folding on division.
*/
/// CHECK-START: int Main.IntDivision() constant_folding (before)
/// CHECK-DAG: <<Const8:i\d+>> IntConstant 8
/// CHECK-DAG: <<Const3:i\d+>> IntConstant 3
/// CHECK-DAG: <<Div0Chk:i\d+>> DivZeroCheck [<<Const3>>]
/// CHECK-DAG: <<Div:i\d+>> Div [<<Const8>>,<<Div0Chk>>]
/// CHECK-DAG: Return [<<Div>>]
/// CHECK-START: int Main.IntDivision() constant_folding (after)
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: Return [<<Const2>>]
/// CHECK-START: int Main.IntDivision() constant_folding (after)
/// CHECK-NOT: DivZeroCheck
/// CHECK-NOT: Div
public static int IntDivision() {
int a, b, c;
a = 8;
b = 3;
c = a / b;
return c;
}
/// CHECK-START: long Main.LongDivision() constant_folding (before)
/// CHECK-DAG: <<Const8:j\d+>> LongConstant 8
/// CHECK-DAG: <<Const3:j\d+>> LongConstant 3
/// CHECK-DAG: <<Div0Chk:j\d+>> DivZeroCheck [<<Const3>>]
/// CHECK-DAG: <<Div:j\d+>> Div [<<Const8>>,<<Div0Chk>>]
/// CHECK-DAG: Return [<<Div>>]
/// CHECK-START: long Main.LongDivision() constant_folding (after)
/// CHECK-DAG: <<Const2:j\d+>> LongConstant 2
/// CHECK-DAG: Return [<<Const2>>]
/// CHECK-START: long Main.LongDivision() constant_folding (after)
/// CHECK-NOT: DivZeroCheck
/// CHECK-NOT: Div
public static long LongDivision() {
long a, b, c;
a = 8L;
b = 3L;
c = a / b;
return c;
}
/// CHECK-START: float Main.FloatDivision() constant_folding (before)
/// CHECK-DAG: <<Const8:f\d+>> FloatConstant 8
/// CHECK-DAG: <<Const2P5:f\d+>> FloatConstant 2.5
/// CHECK-DAG: <<Div:f\d+>> Div [<<Const8>>,<<Const2P5>>]
/// CHECK-DAG: Return [<<Div>>]
/// CHECK-START: float Main.FloatDivision() constant_folding (after)
/// CHECK-DAG: <<Const3P2:f\d+>> FloatConstant 3.2
/// CHECK-DAG: Return [<<Const3P2>>]
/// CHECK-START: float Main.FloatDivision() constant_folding (after)
/// CHECK-NOT: Div
public static float FloatDivision() {
float a, b, c;
a = 8F;
b = 2.5F;
c = a / b;
return c;
}
/// CHECK-START: double Main.DoubleDivision() constant_folding (before)
/// CHECK-DAG: <<Const8:d\d+>> DoubleConstant 8
/// CHECK-DAG: <<Const2P5:d\d+>> DoubleConstant 2.5
/// CHECK-DAG: <<Div:d\d+>> Div [<<Const8>>,<<Const2P5>>]
/// CHECK-DAG: Return [<<Div>>]
/// CHECK-START: double Main.DoubleDivision() constant_folding (after)
/// CHECK-DAG: <<Const3P2:d\d+>> DoubleConstant 3.2
/// CHECK-DAG: Return [<<Const3P2>>]
/// CHECK-START: double Main.DoubleDivision() constant_folding (after)
/// CHECK-NOT: Div
public static double DoubleDivision() {
double a, b, c;
a = 8D;
b = 2.5D;
c = a / b;
return c;
}
/**
* Exercise constant folding on remainder.
*/
/// CHECK-START: int Main.IntRemainder() constant_folding (before)
/// CHECK-DAG: <<Const8:i\d+>> IntConstant 8
/// CHECK-DAG: <<Const3:i\d+>> IntConstant 3
/// CHECK-DAG: <<Div0Chk:i\d+>> DivZeroCheck [<<Const3>>]
/// CHECK-DAG: <<Rem:i\d+>> Rem [<<Const8>>,<<Div0Chk>>]
/// CHECK-DAG: Return [<<Rem>>]
/// CHECK-START: int Main.IntRemainder() constant_folding (after)
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: Return [<<Const2>>]
/// CHECK-START: int Main.IntRemainder() constant_folding (after)
/// CHECK-NOT: DivZeroCheck
/// CHECK-NOT: Rem
public static int IntRemainder() {
int a, b, c;
a = 8;
b = 3;
c = a % b;
return c;
}
/// CHECK-START: long Main.LongRemainder() constant_folding (before)
/// CHECK-DAG: <<Const8:j\d+>> LongConstant 8
/// CHECK-DAG: <<Const3:j\d+>> LongConstant 3
/// CHECK-DAG: <<Div0Chk:j\d+>> DivZeroCheck [<<Const3>>]
/// CHECK-DAG: <<Rem:j\d+>> Rem [<<Const8>>,<<Div0Chk>>]
/// CHECK-DAG: Return [<<Rem>>]
/// CHECK-START: long Main.LongRemainder() constant_folding (after)
/// CHECK-DAG: <<Const2:j\d+>> LongConstant 2
/// CHECK-DAG: Return [<<Const2>>]
/// CHECK-START: long Main.LongRemainder() constant_folding (after)
/// CHECK-NOT: DivZeroCheck
/// CHECK-NOT: Rem
public static long LongRemainder() {
long a, b, c;
a = 8L;
b = 3L;
c = a % b;
return c;
}
/// CHECK-START: float Main.FloatRemainder() constant_folding (before)
/// CHECK-DAG: <<Const8:f\d+>> FloatConstant 8
/// CHECK-DAG: <<Const2P5:f\d+>> FloatConstant 2.5
/// CHECK-DAG: <<Rem:f\d+>> Rem [<<Const8>>,<<Const2P5>>]
/// CHECK-DAG: Return [<<Rem>>]
/// CHECK-START: float Main.FloatRemainder() constant_folding (after)
/// CHECK-DAG: <<Const0P5:f\d+>> FloatConstant 0.5
/// CHECK-DAG: Return [<<Const0P5>>]
/// CHECK-START: float Main.FloatRemainder() constant_folding (after)
/// CHECK-NOT: Rem
public static float FloatRemainder() {
float a, b, c;
a = 8F;
b = 2.5F;
c = a % b;
return c;
}
/// CHECK-START: double Main.DoubleRemainder() constant_folding (before)
/// CHECK-DAG: <<Const8:d\d+>> DoubleConstant 8
/// CHECK-DAG: <<Const2P5:d\d+>> DoubleConstant 2.5
/// CHECK-DAG: <<Rem:d\d+>> Rem [<<Const8>>,<<Const2P5>>]
/// CHECK-DAG: Return [<<Rem>>]
/// CHECK-START: double Main.DoubleRemainder() constant_folding (after)
/// CHECK-DAG: <<Const0P5:d\d+>> DoubleConstant 0.5
/// CHECK-DAG: Return [<<Const0P5>>]
/// CHECK-START: double Main.DoubleRemainder() constant_folding (after)
/// CHECK-NOT: Rem
public static double DoubleRemainder() {
double a, b, c;
a = 8D;
b = 2.5D;
c = a % b;
return c;
}
/**
* Exercise constant folding on left shift.
*/
/// CHECK-START: int Main.ShlIntLong() constant_folding (before)
/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
/// CHECK-DAG: <<Const2L:j\d+>> LongConstant 2
/// CHECK-DAG: <<TypeConv:i\d+>> TypeConversion [<<Const2L>>]
/// CHECK-DAG: <<Shl:i\d+>> Shl [<<Const1>>,<<TypeConv>>]
/// CHECK-DAG: Return [<<Shl>>]
/// CHECK-START: int Main.ShlIntLong() constant_folding (after)
/// CHECK-DAG: <<Const4:i\d+>> IntConstant 4
/// CHECK-DAG: Return [<<Const4>>]
/// CHECK-START: int Main.ShlIntLong() constant_folding (after)
/// CHECK-NOT: Shl
public static int ShlIntLong() {
int lhs = 1;
long rhs = 2;
return lhs << rhs;
}
/// CHECK-START: long Main.ShlLongInt() constant_folding (before)
/// CHECK-DAG: <<Const3L:j\d+>> LongConstant 3
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: <<Shl:j\d+>> Shl [<<Const3L>>,<<Const2>>]
/// CHECK-DAG: Return [<<Shl>>]
/// CHECK-START: long Main.ShlLongInt() constant_folding (after)
/// CHECK-DAG: <<Const12L:j\d+>> LongConstant 12
/// CHECK-DAG: Return [<<Const12L>>]
/// CHECK-START: long Main.ShlLongInt() constant_folding (after)
/// CHECK-NOT: Shl
public static long ShlLongInt() {
long lhs = 3;
int rhs = 2;
return lhs << rhs;
}
/**
* Exercise constant folding on right shift.
*/
/// CHECK-START: int Main.ShrIntLong() constant_folding (before)
/// CHECK-DAG: <<Const7:i\d+>> IntConstant 7
/// CHECK-DAG: <<Const2L:j\d+>> LongConstant 2
/// CHECK-DAG: <<TypeConv:i\d+>> TypeConversion [<<Const2L>>]
/// CHECK-DAG: <<Shr:i\d+>> Shr [<<Const7>>,<<TypeConv>>]
/// CHECK-DAG: Return [<<Shr>>]
/// CHECK-START: int Main.ShrIntLong() constant_folding (after)
/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
/// CHECK-DAG: Return [<<Const1>>]
/// CHECK-START: int Main.ShrIntLong() constant_folding (after)
/// CHECK-NOT: Shr
public static int ShrIntLong() {
int lhs = 7;
long rhs = 2;
return lhs >> rhs;
}
/// CHECK-START: long Main.ShrLongInt() constant_folding (before)
/// CHECK-DAG: <<Const9L:j\d+>> LongConstant 9
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: <<Shr:j\d+>> Shr [<<Const9L>>,<<Const2>>]
/// CHECK-DAG: Return [<<Shr>>]
/// CHECK-START: long Main.ShrLongInt() constant_folding (after)
/// CHECK-DAG: <<Const2L:j\d+>> LongConstant 2
/// CHECK-DAG: Return [<<Const2L>>]
/// CHECK-START: long Main.ShrLongInt() constant_folding (after)
/// CHECK-NOT: Shr
public static long ShrLongInt() {
long lhs = 9;
int rhs = 2;
return lhs >> rhs;
}
/**
* Exercise constant folding on unsigned right shift.
*/
/// CHECK-START: int Main.UShrIntLong() constant_folding (before)
/// CHECK-DAG: <<ConstM7:i\d+>> IntConstant -7
/// CHECK-DAG: <<Const2L:j\d+>> LongConstant 2
/// CHECK-DAG: <<TypeConv:i\d+>> TypeConversion [<<Const2L>>]
/// CHECK-DAG: <<UShr:i\d+>> UShr [<<ConstM7>>,<<TypeConv>>]
/// CHECK-DAG: Return [<<UShr>>]
/// CHECK-START: int Main.UShrIntLong() constant_folding (after)
/// CHECK-DAG: <<ConstRes:i\d+>> IntConstant 1073741822
/// CHECK-DAG: Return [<<ConstRes>>]
/// CHECK-START: int Main.UShrIntLong() constant_folding (after)
/// CHECK-NOT: UShr
public static int UShrIntLong() {
int lhs = -7;
long rhs = 2;
return lhs >>> rhs;
}
/// CHECK-START: long Main.UShrLongInt() constant_folding (before)
/// CHECK-DAG: <<ConstM9L:j\d+>> LongConstant -9
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: <<UShr:j\d+>> UShr [<<ConstM9L>>,<<Const2>>]
/// CHECK-DAG: Return [<<UShr>>]
/// CHECK-START: long Main.UShrLongInt() constant_folding (after)
/// CHECK-DAG: <<ConstRes:j\d+>> LongConstant 4611686018427387901
/// CHECK-DAG: Return [<<ConstRes>>]
/// CHECK-START: long Main.UShrLongInt() constant_folding (after)
/// CHECK-NOT: UShr
public static long UShrLongInt() {
long lhs = -9;
int rhs = 2;
return lhs >>> rhs;
}
/**
* Exercise constant folding on logical and.
*/
/// CHECK-START: long Main.AndIntLong() constant_folding (before)
/// CHECK-DAG: <<Const10:i\d+>> IntConstant 10
/// CHECK-DAG: <<Const3L:j\d+>> LongConstant 3
/// CHECK-DAG: <<TypeConv:j\d+>> TypeConversion [<<Const10>>]
/// CHECK-DAG: <<And:j\d+>> And [<<TypeConv>>,<<Const3L>>]
/// CHECK-DAG: Return [<<And>>]
/// CHECK-START: long Main.AndIntLong() constant_folding (after)
/// CHECK-DAG: <<Const2:j\d+>> LongConstant 2
/// CHECK-DAG: Return [<<Const2>>]
/// CHECK-START: long Main.AndIntLong() constant_folding (after)
/// CHECK-NOT: And
public static long AndIntLong() {
int lhs = 10;
long rhs = 3;
return lhs & rhs;
}
/// CHECK-START: long Main.AndLongInt() constant_folding (before)
/// CHECK-DAG: <<Const10L:j\d+>> LongConstant 10
/// CHECK-DAG: <<Const3:i\d+>> IntConstant 3
/// CHECK-DAG: <<TypeConv:j\d+>> TypeConversion [<<Const3>>]
/// CHECK-DAG: <<And:j\d+>> And [<<TypeConv>>,<<Const10L>>]
/// CHECK-DAG: Return [<<And>>]
/// CHECK-START: long Main.AndLongInt() constant_folding (after)
/// CHECK-DAG: <<Const2:j\d+>> LongConstant 2
/// CHECK-DAG: Return [<<Const2>>]
/// CHECK-START: long Main.AndLongInt() constant_folding (after)
/// CHECK-NOT: And
public static long AndLongInt() {
long lhs = 10;
int rhs = 3;
return lhs & rhs;
}
/**
* Exercise constant folding on logical or.
*/
/// CHECK-START: long Main.OrIntLong() constant_folding (before)
/// CHECK-DAG: <<Const10:i\d+>> IntConstant 10
/// CHECK-DAG: <<Const3L:j\d+>> LongConstant 3
/// CHECK-DAG: <<TypeConv:j\d+>> TypeConversion [<<Const10>>]
/// CHECK-DAG: <<Or:j\d+>> Or [<<TypeConv>>,<<Const3L>>]
/// CHECK-DAG: Return [<<Or>>]
/// CHECK-START: long Main.OrIntLong() constant_folding (after)
/// CHECK-DAG: <<Const11:j\d+>> LongConstant 11
/// CHECK-DAG: Return [<<Const11>>]
/// CHECK-START: long Main.OrIntLong() constant_folding (after)
/// CHECK-NOT: Or
public static long OrIntLong() {
int lhs = 10;
long rhs = 3;
return lhs | rhs;
}
/// CHECK-START: long Main.OrLongInt() constant_folding (before)
/// CHECK-DAG: <<Const10L:j\d+>> LongConstant 10
/// CHECK-DAG: <<Const3:i\d+>> IntConstant 3
/// CHECK-DAG: <<TypeConv:j\d+>> TypeConversion [<<Const3>>]
/// CHECK-DAG: <<Or:j\d+>> Or [<<TypeConv>>,<<Const10L>>]
/// CHECK-DAG: Return [<<Or>>]
/// CHECK-START: long Main.OrLongInt() constant_folding (after)
/// CHECK-DAG: <<Const11:j\d+>> LongConstant 11
/// CHECK-DAG: Return [<<Const11>>]
/// CHECK-START: long Main.OrLongInt() constant_folding (after)
/// CHECK-NOT: Or
public static long OrLongInt() {
long lhs = 10;
int rhs = 3;
return lhs | rhs;
}
/**
* Exercise constant folding on logical exclusive or.
*/
/// CHECK-START: long Main.XorIntLong() constant_folding (before)
/// CHECK-DAG: <<Const10:i\d+>> IntConstant 10
/// CHECK-DAG: <<Const3L:j\d+>> LongConstant 3
/// CHECK-DAG: <<TypeConv:j\d+>> TypeConversion [<<Const10>>]
/// CHECK-DAG: <<Xor:j\d+>> Xor [<<TypeConv>>,<<Const3L>>]
/// CHECK-DAG: Return [<<Xor>>]
/// CHECK-START: long Main.XorIntLong() constant_folding (after)
/// CHECK-DAG: <<Const9:j\d+>> LongConstant 9
/// CHECK-DAG: Return [<<Const9>>]
/// CHECK-START: long Main.XorIntLong() constant_folding (after)
/// CHECK-NOT: Xor
public static long XorIntLong() {
int lhs = 10;
long rhs = 3;
return lhs ^ rhs;
}
/// CHECK-START: long Main.XorLongInt() constant_folding (before)
/// CHECK-DAG: <<Const10L:j\d+>> LongConstant 10
/// CHECK-DAG: <<Const3:i\d+>> IntConstant 3
/// CHECK-DAG: <<TypeConv:j\d+>> TypeConversion [<<Const3>>]
/// CHECK-DAG: <<Xor:j\d+>> Xor [<<TypeConv>>,<<Const10L>>]
/// CHECK-DAG: Return [<<Xor>>]
/// CHECK-START: long Main.XorLongInt() constant_folding (after)
/// CHECK-DAG: <<Const9:j\d+>> LongConstant 9
/// CHECK-DAG: Return [<<Const9>>]
/// CHECK-START: long Main.XorLongInt() constant_folding (after)
/// CHECK-NOT: Xor
public static long XorLongInt() {
long lhs = 10;
int rhs = 3;
return lhs ^ rhs;
}
/**
* Exercise constant folding on constant (static) condition.
*/
/// CHECK-START: int Main.StaticCondition() constant_folding (before)
/// CHECK-DAG: <<Const7:i\d+>> IntConstant 7
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: <<Cond:z\d+>> GreaterThanOrEqual [<<Const7>>,<<Const2>>]
/// CHECK-DAG: If [<<Cond>>]
/// CHECK-START: int Main.StaticCondition() constant_folding (after)
/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
/// CHECK-DAG: If [<<Const1>>]
/// CHECK-START: int Main.StaticCondition() constant_folding (after)
/// CHECK-NOT: GreaterThanOrEqual
public static int StaticCondition() {
int a, b, c;
a = 7;
b = 2;
if (a < b)
c = a + b;
else
c = a - b;
return c;
}
/**
* Exercise constant folding on constant (static) condition for null references.
*/
/// CHECK-START: int Main.StaticConditionNulls() constant_folding$after_inlining (before)
/// CHECK-DAG: <<Null:l\d+>> NullConstant
/// CHECK-DAG: <<Cond:z\d+>> NotEqual [<<Null>>,<<Null>>]
/// CHECK-DAG: If [<<Cond>>]
/// CHECK-START: int Main.StaticConditionNulls() constant_folding$after_inlining (after)
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: If [<<Const0>>]
/// CHECK-START: int Main.StaticConditionNulls() constant_folding$after_inlining (after)
/// CHECK-NOT: NotEqual
/// CHECK-START: int Main.StaticConditionNulls() dead_code_elimination$after_inlining (before)
/// CHECK-DAG: <<Phi:i\d+>> Phi
/// CHECK-DAG: Return [<<Phi>>]
//
/// CHECK-START: int Main.StaticConditionNulls() dead_code_elimination$after_inlining (after)
/// CHECK-DAG: <<Const5:i\d+>> IntConstant 5
/// CHECK-DAG: Return [<<Const5>>]
private static Object getNull() {
return null;
}
public static int StaticConditionNulls() {
Object a = getNull();
Object b = getNull();
return (a == b) ? 5 : 2;
}
/**
* Exercise constant folding on a program with condition
* (i.e. jumps) leading to the creation of many blocks.
*
* The intent of this test is to ensure that all constant expressions
* are actually evaluated at compile-time, thanks to the reverse
* (forward) post-order traversal of the the dominator tree.
*/
/// CHECK-START: int Main.JumpsAndConditionals(boolean) constant_folding (before)
/// CHECK-DAG: <<Const2:i\d+>> IntConstant 2
/// CHECK-DAG: <<Const5:i\d+>> IntConstant 5
/// CHECK-DAG: <<Add:i\d+>> Add [<<Const5>>,<<Const2>>]
/// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const5>>,<<Const2>>]
/// CHECK-DAG: <<Phi:i\d+>> Phi [<<Add>>,<<Sub>>]
/// CHECK-DAG: Return [<<Phi>>]
/// CHECK-START: int Main.JumpsAndConditionals(boolean) constant_folding (after)
/// CHECK-DAG: <<Const3:i\d+>> IntConstant 3
/// CHECK-DAG: <<Const7:i\d+>> IntConstant 7
/// CHECK-DAG: <<Phi:i\d+>> Phi [<<Const7>>,<<Const3>>]
/// CHECK-DAG: Return [<<Phi>>]
/// CHECK-START: int Main.JumpsAndConditionals(boolean) constant_folding (after)
/// CHECK-NOT: Add
/// CHECK-NOT: Sub
public static int JumpsAndConditionals(boolean cond) {
int a, b, c;
a = 5;
b = 2;
if (cond)
c = a + b;
else
c = a - b;
return c;
}
/**
* Test optimizations of arithmetic identities yielding a constant result.
*/
/// CHECK-START: int Main.And0(int) constant_folding (before)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<Const0>>]
/// CHECK-DAG: Return [<<And>>]
/// CHECK-START: int Main.And0(int) constant_folding (after)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: int Main.And0(int) constant_folding (after)
/// CHECK-NOT: And
public static int And0(int arg) {
return arg & 0;
}
/// CHECK-START: long Main.Mul0(long) constant_folding (before)
/// CHECK-DAG: <<Arg:j\d+>> ParameterValue
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: <<Mul:j\d+>> Mul [<<Const0>>,<<Arg>>]
/// CHECK-DAG: Return [<<Mul>>]
/// CHECK-START: long Main.Mul0(long) constant_folding (after)
/// CHECK-DAG: <<Arg:j\d+>> ParameterValue
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: long Main.Mul0(long) constant_folding (after)
/// CHECK-NOT: Mul
public static long Mul0(long arg) {
return arg * 0;
}
/// CHECK-START: int Main.OrAllOnes(int) constant_folding (before)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<ConstF:i\d+>> IntConstant -1
/// CHECK-DAG: <<Or:i\d+>> Or [<<Arg>>,<<ConstF>>]
/// CHECK-DAG: Return [<<Or>>]
/// CHECK-START: int Main.OrAllOnes(int) constant_folding (after)
/// CHECK-DAG: <<ConstF:i\d+>> IntConstant -1
/// CHECK-DAG: Return [<<ConstF>>]
/// CHECK-START: int Main.OrAllOnes(int) constant_folding (after)
/// CHECK-NOT: Or
public static int OrAllOnes(int arg) {
return arg | -1;
}
/// CHECK-START: long Main.Rem0(long) constant_folding (before)
/// CHECK-DAG: <<Arg:j\d+>> ParameterValue
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: <<DivZeroCheck:j\d+>> DivZeroCheck [<<Arg>>]
/// CHECK-DAG: <<Rem:j\d+>> Rem [<<Const0>>,<<DivZeroCheck>>]
/// CHECK-DAG: Return [<<Rem>>]
/// CHECK-START: long Main.Rem0(long) constant_folding (after)
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: long Main.Rem0(long) constant_folding (after)
/// CHECK-NOT: Rem
public static long Rem0(long arg) {
return 0 % arg;
}
/// CHECK-START: int Main.Rem1(int) constant_folding (before)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
/// CHECK-DAG: <<Rem:i\d+>> Rem [<<Arg>>,<<Const1>>]
/// CHECK-DAG: Return [<<Rem>>]
/// CHECK-START: int Main.Rem1(int) constant_folding (after)
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: int Main.Rem1(int) constant_folding (after)
/// CHECK-NOT: Rem
public static int Rem1(int arg) {
return arg % 1;
}
/// CHECK-START: int Main.RemN1(int) constant_folding (before)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<ConstN1:i\d+>> IntConstant -1
/// CHECK-DAG: <<Rem:i\d+>> Rem [<<Arg>>,<<ConstN1>>]
/// CHECK-DAG: Return [<<Rem>>]
/// CHECK-START: int Main.RemN1(int) constant_folding (after)
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: int Main.RemN1(int) constant_folding (after)
/// CHECK-NOT: Rem
public static int RemN1(int arg) {
return arg % -1;
}
/// CHECK-START: long Main.Rem1(long) constant_folding (before)
/// CHECK-DAG: <<Arg:j\d+>> ParameterValue
/// CHECK-DAG: <<Const1:j\d+>> LongConstant 1
/// CHECK-DAG: <<DivZeroCheck:j\d+>> DivZeroCheck [<<Const1>>]
/// CHECK-DAG: <<Rem:j\d+>> Rem [<<Arg>>,<<DivZeroCheck>>]
/// CHECK-DAG: Return [<<Rem>>]
/// CHECK-START: long Main.Rem1(long) constant_folding (after)
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: long Main.Rem1(long) constant_folding (after)
/// CHECK-NOT: Rem
public static long Rem1(long arg) {
return arg % 1;
}
/// CHECK-START: long Main.RemN1(long) constant_folding (before)
/// CHECK-DAG: <<Arg:j\d+>> ParameterValue
/// CHECK-DAG: <<ConstN1:j\d+>> LongConstant -1
/// CHECK-DAG: <<DivZeroCheck:j\d+>> DivZeroCheck [<<ConstN1>>]
/// CHECK-DAG: <<Rem:j\d+>> Rem [<<Arg>>,<<DivZeroCheck>>]
/// CHECK-DAG: Return [<<Rem>>]
/// CHECK-START: long Main.RemN1(long) constant_folding (after)
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: long Main.RemN1(long) constant_folding (after)
/// CHECK-NOT: Rem
public static long RemN1(long arg) {
return arg % -1;
}
/// CHECK-START: int Main.Shl0(int) constant_folding (before)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: <<Shl:i\d+>> Shl [<<Const0>>,<<Arg>>]
/// CHECK-DAG: Return [<<Shl>>]
/// CHECK-START: int Main.Shl0(int) constant_folding (after)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: int Main.Shl0(int) constant_folding (after)
/// CHECK-NOT: Shl
public static int Shl0(int arg) {
return 0 << arg;
}
/// CHECK-START: long Main.ShlLong0WithInt(int) constant_folding (before)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0L:j\d+>> LongConstant 0
/// CHECK-DAG: <<Shl:j\d+>> Shl [<<Const0L>>,<<Arg>>]
/// CHECK-DAG: Return [<<Shl>>]
/// CHECK-START: long Main.ShlLong0WithInt(int) constant_folding (after)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0L:j\d+>> LongConstant 0
/// CHECK-DAG: Return [<<Const0L>>]
/// CHECK-START: long Main.ShlLong0WithInt(int) constant_folding (after)
/// CHECK-NOT: Shl
public static long ShlLong0WithInt(int arg) {
long long_zero = 0;
return long_zero << arg;
}
/// CHECK-START: long Main.Shr0(int) constant_folding (before)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: <<Shr:j\d+>> Shr [<<Const0>>,<<Arg>>]
/// CHECK-DAG: Return [<<Shr>>]
/// CHECK-START: long Main.Shr0(int) constant_folding (after)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: long Main.Shr0(int) constant_folding (after)
/// CHECK-NOT: Shr
public static long Shr0(int arg) {
return (long)0 >> arg;
}
/// CHECK-START: long Main.SubSameLong(long) constant_folding (before)
/// CHECK-DAG: <<Arg:j\d+>> ParameterValue
/// CHECK-DAG: <<Sub:j\d+>> Sub [<<Arg>>,<<Arg>>]
/// CHECK-DAG: Return [<<Sub>>]
/// CHECK-START: long Main.SubSameLong(long) constant_folding (after)
/// CHECK-DAG: <<Arg:j\d+>> ParameterValue
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: long Main.SubSameLong(long) constant_folding (after)
/// CHECK-NOT: Sub
public static long SubSameLong(long arg) {
return arg - arg;
}
/// CHECK-START: int Main.UShr0(int) constant_folding (before)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: <<UShr:i\d+>> UShr [<<Const0>>,<<Arg>>]
/// CHECK-DAG: Return [<<UShr>>]
/// CHECK-START: int Main.UShr0(int) constant_folding (after)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: int Main.UShr0(int) constant_folding (after)
/// CHECK-NOT: UShr
public static int UShr0(int arg) {
return 0 >>> arg;
}
/// CHECK-START: int Main.XorSameInt(int) constant_folding (before)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Xor:i\d+>> Xor [<<Arg>>,<<Arg>>]
/// CHECK-DAG: Return [<<Xor>>]
/// CHECK-START: int Main.XorSameInt(int) constant_folding (after)
/// CHECK-DAG: <<Arg:i\d+>> ParameterValue
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: int Main.XorSameInt(int) constant_folding (after)
/// CHECK-NOT: Xor
public static int XorSameInt(int arg) {
return arg ^ arg;
}
/// CHECK-START: boolean Main.CmpFloatGreaterThanNaN(float) constant_folding (before)
/// CHECK-DAG: <<Arg:f\d+>> ParameterValue
/// CHECK-DAG: <<ConstNan:f\d+>> FloatConstant nan
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: IntConstant 1
/// CHECK-DAG: <<Cmp:i\d+>> Compare [<<Arg>>,<<ConstNan>>]
/// CHECK-DAG: <<Le:z\d+>> LessThanOrEqual [<<Cmp>>,<<Const0>>]
/// CHECK-DAG: If [<<Le>>]
/// CHECK-START: boolean Main.CmpFloatGreaterThanNaN(float) constant_folding (after)
/// CHECK-DAG: ParameterValue
/// CHECK-DAG: FloatConstant nan
/// CHECK-DAG: IntConstant 0
/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
/// CHECK-DAG: If [<<Const1>>]
/// CHECK-START: boolean Main.CmpFloatGreaterThanNaN(float) constant_folding (after)
/// CHECK-NOT: Compare
/// CHECK-NOT: LessThanOrEqual
public static boolean CmpFloatGreaterThanNaN(float arg) {
return arg > Float.NaN;
}
/// CHECK-START: boolean Main.CmpDoubleLessThanNaN(double) constant_folding (before)
/// CHECK-DAG: <<Arg:d\d+>> ParameterValue
/// CHECK-DAG: <<ConstNan:d\d+>> DoubleConstant nan
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: IntConstant 1
/// CHECK-DAG: <<Cmp:i\d+>> Compare [<<Arg>>,<<ConstNan>>]
/// CHECK-DAG: <<Ge:z\d+>> GreaterThanOrEqual [<<Cmp>>,<<Const0>>]
/// CHECK-DAG: If [<<Ge>>]
/// CHECK-START: boolean Main.CmpDoubleLessThanNaN(double) constant_folding (after)
/// CHECK-DAG: ParameterValue
/// CHECK-DAG: DoubleConstant nan
/// CHECK-DAG: IntConstant 0
/// CHECK-DAG: <<Const1:i\d+>> IntConstant 1
/// CHECK-DAG: If [<<Const1>>]
/// CHECK-START: boolean Main.CmpDoubleLessThanNaN(double) constant_folding (after)
/// CHECK-NOT: Compare
/// CHECK-NOT: GreaterThanOrEqual
public static boolean CmpDoubleLessThanNaN(double arg) {
return arg < Double.NaN;
}
/**
* Exercise constant folding on type conversions.
*/
/// CHECK-START: int Main.ReturnInt33() constant_folding (before)
/// CHECK-DAG: <<Const33:j\d+>> LongConstant 33
/// CHECK-DAG: <<Convert:i\d+>> TypeConversion [<<Const33>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: int Main.ReturnInt33() constant_folding (after)
/// CHECK-DAG: <<Const33:i\d+>> IntConstant 33
/// CHECK-DAG: Return [<<Const33>>]
/// CHECK-START: int Main.ReturnInt33() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static int ReturnInt33() {
long imm = 33L;
return (int) imm;
}
/// CHECK-START: int Main.ReturnIntMax() constant_folding (before)
/// CHECK-DAG: <<ConstMax:f\d+>> FloatConstant 1e+34
/// CHECK-DAG: <<Convert:i\d+>> TypeConversion [<<ConstMax>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: int Main.ReturnIntMax() constant_folding (after)
/// CHECK-DAG: <<ConstMax:i\d+>> IntConstant 2147483647
/// CHECK-DAG: Return [<<ConstMax>>]
/// CHECK-START: int Main.ReturnIntMax() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static int ReturnIntMax() {
float imm = 1.0e34f;
return (int) imm;
}
/// CHECK-START: int Main.ReturnInt0() constant_folding (before)
/// CHECK-DAG: <<ConstNaN:d\d+>> DoubleConstant nan
/// CHECK-DAG: <<Convert:i\d+>> TypeConversion [<<ConstNaN>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: int Main.ReturnInt0() constant_folding (after)
/// CHECK-DAG: <<Const0:i\d+>> IntConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: int Main.ReturnInt0() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static int ReturnInt0() {
double imm = Double.NaN;
return (int) imm;
}
/// CHECK-START: long Main.ReturnLong33() constant_folding (before)
/// CHECK-DAG: <<Const33:i\d+>> IntConstant 33
/// CHECK-DAG: <<Convert:j\d+>> TypeConversion [<<Const33>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: long Main.ReturnLong33() constant_folding (after)
/// CHECK-DAG: <<Const33:j\d+>> LongConstant 33
/// CHECK-DAG: Return [<<Const33>>]
/// CHECK-START: long Main.ReturnLong33() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static long ReturnLong33() {
int imm = 33;
return (long) imm;
}
/// CHECK-START: long Main.ReturnLong34() constant_folding (before)
/// CHECK-DAG: <<Const34:f\d+>> FloatConstant 34
/// CHECK-DAG: <<Convert:j\d+>> TypeConversion [<<Const34>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: long Main.ReturnLong34() constant_folding (after)
/// CHECK-DAG: <<Const34:j\d+>> LongConstant 34
/// CHECK-DAG: Return [<<Const34>>]
/// CHECK-START: long Main.ReturnLong34() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static long ReturnLong34() {
float imm = 34.0f;
return (long) imm;
}
/// CHECK-START: long Main.ReturnLong0() constant_folding (before)
/// CHECK-DAG: <<ConstNaN:d\d+>> DoubleConstant nan
/// CHECK-DAG: <<Convert:j\d+>> TypeConversion [<<ConstNaN>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: long Main.ReturnLong0() constant_folding (after)
/// CHECK-DAG: <<Const0:j\d+>> LongConstant 0
/// CHECK-DAG: Return [<<Const0>>]
/// CHECK-START: long Main.ReturnLong0() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static long ReturnLong0() {
double imm = -Double.NaN;
return (long) imm;
}
/// CHECK-START: float Main.ReturnFloat33() constant_folding (before)
/// CHECK-DAG: <<Const33:i\d+>> IntConstant 33
/// CHECK-DAG: <<Convert:f\d+>> TypeConversion [<<Const33>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: float Main.ReturnFloat33() constant_folding (after)
/// CHECK-DAG: <<Const33:f\d+>> FloatConstant 33
/// CHECK-DAG: Return [<<Const33>>]
/// CHECK-START: float Main.ReturnFloat33() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static float ReturnFloat33() {
int imm = 33;
return (float) imm;
}
/// CHECK-START: float Main.ReturnFloat34() constant_folding (before)
/// CHECK-DAG: <<Const34:j\d+>> LongConstant 34
/// CHECK-DAG: <<Convert:f\d+>> TypeConversion [<<Const34>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: float Main.ReturnFloat34() constant_folding (after)
/// CHECK-DAG: <<Const34:f\d+>> FloatConstant 34
/// CHECK-DAG: Return [<<Const34>>]
/// CHECK-START: float Main.ReturnFloat34() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static float ReturnFloat34() {
long imm = 34L;
return (float) imm;
}
/// CHECK-START: float Main.ReturnFloat99P25() constant_folding (before)
/// CHECK-DAG: <<Const:d\d+>> DoubleConstant 99.25
/// CHECK-DAG: <<Convert:f\d+>> TypeConversion [<<Const>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: float Main.ReturnFloat99P25() constant_folding (after)
/// CHECK-DAG: <<Const:f\d+>> FloatConstant 99.25
/// CHECK-DAG: Return [<<Const>>]
/// CHECK-START: float Main.ReturnFloat99P25() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static float ReturnFloat99P25() {
double imm = 99.25;
return (float) imm;
}
/// CHECK-START: double Main.ReturnDouble33() constant_folding (before)
/// CHECK-DAG: <<Const33:i\d+>> IntConstant 33
/// CHECK-DAG: <<Convert:d\d+>> TypeConversion [<<Const33>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: double Main.ReturnDouble33() constant_folding (after)
/// CHECK-DAG: <<Const33:d\d+>> DoubleConstant 33
/// CHECK-DAG: Return [<<Const33>>]
public static double ReturnDouble33() {
int imm = 33;
return (double) imm;
}
/// CHECK-START: double Main.ReturnDouble34() constant_folding (before)
/// CHECK-DAG: <<Const34:j\d+>> LongConstant 34
/// CHECK-DAG: <<Convert:d\d+>> TypeConversion [<<Const34>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: double Main.ReturnDouble34() constant_folding (after)
/// CHECK-DAG: <<Const34:d\d+>> DoubleConstant 34
/// CHECK-DAG: Return [<<Const34>>]
/// CHECK-START: double Main.ReturnDouble34() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static double ReturnDouble34() {
long imm = 34L;
return (double) imm;
}
/// CHECK-START: double Main.ReturnDouble99P25() constant_folding (before)
/// CHECK-DAG: <<Const:f\d+>> FloatConstant 99.25
/// CHECK-DAG: <<Convert:d\d+>> TypeConversion [<<Const>>]
/// CHECK-DAG: Return [<<Convert>>]
/// CHECK-START: double Main.ReturnDouble99P25() constant_folding (after)
/// CHECK-DAG: <<Const:d\d+>> DoubleConstant 99.25
/// CHECK-DAG: Return [<<Const>>]
/// CHECK-START: double Main.ReturnDouble99P25() constant_folding (after)
/// CHECK-NOT: TypeConversion
public static double ReturnDouble99P25() {
float imm = 99.25f;
return (double) imm;
}
public static void main(String[] args) throws Exception {
assertIntEquals(-42, IntNegation());
assertLongEquals(-42L, LongNegation());
assertFloatEquals(-42F, FloatNegation());
assertDoubleEquals(-42D, DoubleNegation());
assertIntEquals(3, IntAddition1());
assertIntEquals(14, IntAddition2());
assertIntEquals(14, smaliIntAddition2());
assertIntEquals(14, smaliIntAddition2AddAndMove());
assertLongEquals(3L, LongAddition());
assertFloatEquals(3F, FloatAddition());
assertDoubleEquals(3D, DoubleAddition());
assertIntEquals(4, IntSubtraction());
assertLongEquals(4L, LongSubtraction());
assertFloatEquals(4F, FloatSubtraction());
assertDoubleEquals(4D, DoubleSubtraction());
assertIntEquals(21, IntMultiplication());
assertLongEquals(21L, LongMultiplication());
assertFloatEquals(21F, FloatMultiplication());
assertDoubleEquals(21D, DoubleMultiplication());
assertIntEquals(2, IntDivision());
assertLongEquals(2L, LongDivision());
assertFloatEquals(3.2F, FloatDivision());
assertDoubleEquals(3.2D, DoubleDivision());
assertIntEquals(2, IntRemainder());
assertLongEquals(2L, LongRemainder());
assertFloatEquals(0.5F, FloatRemainder());
assertDoubleEquals(0.5D, DoubleRemainder());
assertIntEquals(4, ShlIntLong());
assertLongEquals(12L, ShlLongInt());
assertIntEquals(1, ShrIntLong());
assertLongEquals(2L, ShrLongInt());
assertIntEquals(1073741822, UShrIntLong());
assertLongEquals(4611686018427387901L, UShrLongInt());
assertLongEquals(2, AndIntLong());
assertLongEquals(2, AndLongInt());
assertLongEquals(11, OrIntLong());
assertLongEquals(11, OrLongInt());
assertLongEquals(9, XorIntLong());
assertLongEquals(9, XorLongInt());
assertIntEquals(5, StaticCondition());
assertIntEquals(5, StaticConditionNulls());
assertIntEquals(7, JumpsAndConditionals(true));
assertIntEquals(3, JumpsAndConditionals(false));
assertIntEquals(7, smaliJumpsAndConditionals(true));
assertIntEquals(3, smaliJumpsAndConditionals(false));
int arbitrary = 123456; // Value chosen arbitrarily.
assertIntEquals(0, And0(arbitrary));
assertLongEquals(0, Mul0(arbitrary));
assertIntEquals(-1, OrAllOnes(arbitrary));
assertLongEquals(0, Rem0(arbitrary));
assertIntEquals(0, Rem1(arbitrary));
assertIntEquals(0, Rem1(0));
assertIntEquals(0, Rem1(-1));
assertIntEquals(0, Rem1(Integer.MAX_VALUE));
assertIntEquals(0, Rem1(Integer.MIN_VALUE));
assertIntEquals(0, RemN1(arbitrary));
assertIntEquals(0, RemN1(0));
assertIntEquals(0, RemN1(-1));
assertIntEquals(0, RemN1(Integer.MAX_VALUE));
assertIntEquals(0, RemN1(Integer.MIN_VALUE));
assertIntEquals(0, RemN1(arbitrary));
assertLongEquals(0, Rem1((long)arbitrary));
assertLongEquals(0, Rem1(0L));
assertLongEquals(0, Rem1(-1L));
assertLongEquals(0, Rem1(Long.MAX_VALUE));
assertLongEquals(0, Rem1(Long.MIN_VALUE));
assertLongEquals(0, RemN1(arbitrary));
assertLongEquals(0, RemN1(0L));
assertLongEquals(0, RemN1(-1L));
assertLongEquals(0, RemN1(Long.MAX_VALUE));
assertLongEquals(0, RemN1(Long.MIN_VALUE));
assertIntEquals(0, Shl0(arbitrary));
assertLongEquals(0, ShlLong0WithInt(arbitrary));
assertLongEquals(0, Shr0(arbitrary));
assertLongEquals(0, SubSameLong(arbitrary));
assertIntEquals(0, UShr0(arbitrary));
assertIntEquals(0, XorSameInt(arbitrary));
assertFalse(CmpFloatGreaterThanNaN(arbitrary));
assertFalse(CmpDoubleLessThanNaN(arbitrary));
Main main = new Main();
assertIntEquals(1, main.smaliCmpLongConstants());
assertIntEquals(-1, main.smaliCmpGtFloatConstants());
assertIntEquals(-1, main.smaliCmpLtFloatConstants());
assertIntEquals(-1, main.smaliCmpGtDoubleConstants());
assertIntEquals(-1, main.smaliCmpLtDoubleConstants());
assertIntEquals(0, main.smaliCmpLongSameConstant());
assertIntEquals(0, main.smaliCmpGtFloatSameConstant());
assertIntEquals(0, main.smaliCmpLtFloatSameConstant());
assertIntEquals(0, main.smaliCmpGtDoubleSameConstant());
assertIntEquals(0, main.smaliCmpLtDoubleSameConstant());
assertIntEquals(1, main.smaliCmpGtFloatConstantWithNaN());
assertIntEquals(-1, main.smaliCmpLtFloatConstantWithNaN());
assertIntEquals(1, main.smaliCmpGtDoubleConstantWithNaN());
assertIntEquals(-1, main.smaliCmpLtDoubleConstantWithNaN());
assertIntEquals(33, ReturnInt33());
assertIntEquals(2147483647, ReturnIntMax());
assertIntEquals(0, ReturnInt0());
assertLongEquals(33, ReturnLong33());
assertLongEquals(34, ReturnLong34());
assertLongEquals(0, ReturnLong0());
assertFloatEquals(33, ReturnFloat33());
assertFloatEquals(34, ReturnFloat34());
assertFloatEquals(99.25f, ReturnFloat99P25());
assertDoubleEquals(33, ReturnDouble33());
assertDoubleEquals(34, ReturnDouble34());
assertDoubleEquals(99.25, ReturnDouble99P25());
}
Main() throws ClassNotFoundException {
testCmp = Class.forName("TestCmp");
}
private Class<?> testCmp;
}