/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Tests for SAD (sum of absolute differences).
*
* Special case, char array that is first casted to short, forcing sign extension.
*/
public class Main {
// TODO: lower precision still coming, b/64091002
private static short sadCastedChar2Short(char[] s1, char[] s2) {
int min_length = Math.min(s1.length, s2.length);
short sad = 0;
for (int i = 0; i < min_length; i++) {
sad += Math.abs(((short) s1[i]) - ((short) s2[i]));
}
return sad;
}
private static short sadCastedChar2ShortAlt(char[] s1, char[] s2) {
int min_length = Math.min(s1.length, s2.length);
short sad = 0;
for (int i = 0; i < min_length; i++) {
short s = (short) s1[i];
short p = (short) s2[i];
sad += s >= p ? s - p : p - s;
}
return sad;
}
private static short sadCastedChar2ShortAlt2(char[] s1, char[] s2) {
int min_length = Math.min(s1.length, s2.length);
short sad = 0;
for (int i = 0; i < min_length; i++) {
short s = (short) s1[i];
short p = (short) s2[i];
int x = s - p;
if (x < 0) x = -x;
sad += x;
}
return sad;
}
/// CHECK-START: int Main.sadCastedChar2Int(char[], char[]) instruction_simplifier (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC1:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC2:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub:i\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Intrin:i\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsInt loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START: int Main.sadCastedChar2Int(char[], char[]) loop_optimization (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub:i\d+>> Sub [<<Get1>>,<<Get2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Intrin:i\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsInt loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-{ARM64,MIPS64}: int Main.sadCastedChar2Int(char[], char[]) loop_optimization (after)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
/// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<Cons0>>] loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
private static int sadCastedChar2Int(char[] s1, char[] s2) {
int min_length = Math.min(s1.length, s2.length);
int sad = 0;
for (int i = 0; i < min_length; i++) {
sad += Math.abs(((short) s1[i]) - ((short) s2[i]));
}
return sad;
}
/// CHECK-START: int Main.sadCastedChar2IntAlt(char[], char[]) instruction_simplifier (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC1:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC2:i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub1:i\d+>> Sub [<<Cnv2>>,<<Cnv1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub2:i\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Phi3:i\d+>> Phi [<<Sub2>>,<<Sub1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Phi3>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START: int Main.sadCastedChar2IntAlt(char[], char[]) loop_optimization (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
// Note: Get1+Cnv1 not simplified yet due to env use of Get1 in NullCheck for s2[i].
/// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub:i\d+>> Sub [<<Get2>>,<<Cnv1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Intrin:i\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsInt loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-{ARM64,MIPS64}: int Main.sadCastedChar2IntAlt(char[], char[]) loop_optimization (after)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
/// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<Cons0>>] loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load2>>,<<Load1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
private static int sadCastedChar2IntAlt(char[] s1, char[] s2) {
int min_length = Math.min(s1.length, s2.length);
int sad = 0;
for (int i = 0; i < min_length; i++) {
short s = (short) s1[i];
short p = (short) s2[i];
sad += s >= p ? s - p : p - s;
}
return sad;
}
/// CHECK-START: int Main.sadCastedChar2IntAlt2(char[], char[]) instruction_simplifier (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC1:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC2:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub:i\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Neg:i\d+>> Neg [<<Sub>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Phi3:i\d+>> Phi [<<Sub>>,<<Neg>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Phi3>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START: int Main.sadCastedChar2IntAlt2(char[], char[]) loop_optimization (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
// Note: Get1+Cnv1 not simplified yet due to env use of Get1 in NullCheck for s2[i].
/// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub:i\d+>> Sub [<<Cnv1>>,<<Get2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Intrin:i\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsInt loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-{ARM64,MIPS64}: int Main.sadCastedChar2IntAlt2(char[], char[]) loop_optimization (after)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
/// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<Cons0>>] loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
private static int sadCastedChar2IntAlt2(char[] s1, char[] s2) {
int min_length = Math.min(s1.length, s2.length);
int sad = 0;
for (int i = 0; i < min_length; i++) {
short s = (short) s1[i];
short p = (short) s2[i];
int x = s - p;
if (x < 0) x = -x;
sad += x;
}
return sad;
}
/// CHECK-START: long Main.sadCastedChar2Long(char[], char[]) instruction_simplifier (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<ConsL:j\d+>> LongConstant 0 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC1:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC2:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv3:j\d+>> TypeConversion [<<Cnv1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv4:j\d+>> TypeConversion [<<Cnv2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv3>>,<<Cnv4>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Intrin:j\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsLong loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START: long Main.sadCastedChar2Long(char[], char[]) loop_optimization (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<ConsL:j\d+>> LongConstant 0 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv1:j\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv2:j\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Intrin:j\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsLong loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-{ARM64,MIPS64}: long Main.sadCastedChar2Long(char[], char[]) loop_optimization (after)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
/// CHECK-DAG: <<ConsL:j\d+>> LongConstant 0 loop:none
/// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<ConsL>>] loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
private static long sadCastedChar2Long(char[] s1, char[] s2) {
int min_length = Math.min(s1.length, s2.length);
long sad = 0;
for (int i = 0; i < min_length; i++) {
long x = (short) s1[i];
long y = (short) s2[i];
sad += Math.abs(x - y);
}
return sad;
}
/// CHECK-START: long Main.sadCastedChar2LongAt1(char[], char[]) instruction_simplifier (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<ConsL:j\d+>> LongConstant 1 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC1:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<BC2:\i\d+>> BoundsCheck [<<Phi1>>,{{i\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get1:c\d+>> ArrayGet [{{l\d+}},<<BC1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:c\d+>> ArrayGet [{{l\d+}},<<BC2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv1:s\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv2:s\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv3:j\d+>> TypeConversion [<<Cnv1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv4:j\d+>> TypeConversion [<<Cnv2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv3>>,<<Cnv4>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Intrin:j\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsLong loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START: long Main.sadCastedChar2LongAt1(char[], char[]) loop_optimization (before)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons1:i\d+>> IntConstant 1 loop:none
/// CHECK-DAG: <<ConsL:j\d+>> LongConstant 1 loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:j\d+>> Phi [<<ConsL>>,{{j\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get1:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:s\d+>> ArrayGet [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv1:j\d+>> TypeConversion [<<Get1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv2:j\d+>> TypeConversion [<<Get2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Sub:j\d+>> Sub [<<Cnv1>>,<<Cnv2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Intrin:j\d+>> InvokeStaticOrDirect [<<Sub>>] intrinsic:MathAbsLong loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi2>>,<<Intrin>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons1>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-{ARM64,MIPS64}: long Main.sadCastedChar2LongAt1(char[], char[]) loop_optimization (after)
/// CHECK-DAG: <<Cons0:i\d+>> IntConstant 0 loop:none
/// CHECK-DAG: <<Cons8:i\d+>> IntConstant 8 loop:none
/// CHECK-DAG: <<ConsL:j\d+>> LongConstant 1 loop:none
/// CHECK-DAG: <<Set:d\d+>> VecSetScalars [<<ConsL>>] loop:none
/// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Cons0>>,{{i\d+}}] loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Phi2:d\d+>> Phi [<<Set>>,{{d\d+}}] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load1:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Load2:d\d+>> VecLoad [{{l\d+}},<<Phi1>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<SAD:d\d+>> VecSADAccumulate [<<Phi2>>,<<Load1>>,<<Load2>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: Add [<<Phi1>>,<<Cons8>>] loop:<<Loop>> outer_loop:none
private static long sadCastedChar2LongAt1(char[] s1, char[] s2) {
int min_length = Math.min(s1.length, s2.length);
long sad = 1; // starts at 1
for (int i = 0; i < min_length; i++) {
long x = (short) s1[i];
long y = (short) s2[i];
sad += Math.abs(x - y);
}
return sad;
}
public static void main(String[] args) {
// Cross-test the two most extreme values individually.
char[] s1 = { 0, 0x8000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
char[] s2 = { 0, 0x7fff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
expectEquals(-1, sadCastedChar2Short(s1, s2));
expectEquals(-1, sadCastedChar2Short(s2, s1));
expectEquals(-1, sadCastedChar2ShortAlt(s1, s2));
expectEquals(-1, sadCastedChar2ShortAlt(s2, s1));
expectEquals(-1, sadCastedChar2ShortAlt2(s1, s2));
expectEquals(-1, sadCastedChar2ShortAlt2(s2, s1));
expectEquals(65535, sadCastedChar2Int(s1, s2));
expectEquals(65535, sadCastedChar2Int(s2, s1));
expectEquals(65535, sadCastedChar2IntAlt(s1, s2));
expectEquals(65535, sadCastedChar2IntAlt(s2, s1));
expectEquals(65535, sadCastedChar2IntAlt2(s1, s2));
expectEquals(65535, sadCastedChar2IntAlt2(s2, s1));
expectEquals(65535L, sadCastedChar2Long(s1, s2));
expectEquals(65535L, sadCastedChar2Long(s2, s1));
expectEquals(65536L, sadCastedChar2LongAt1(s1, s2));
expectEquals(65536L, sadCastedChar2LongAt1(s2, s1));
// Use cross-values to test all cases.
char[] interesting = {
(char) 0x0000,
(char) 0x0001,
(char) 0x0002,
(char) 0x1234,
(char) 0x8000,
(char) 0x8001,
(char) 0x7fff,
(char) 0xffff
};
int n = interesting.length;
int m = n * n + 1;
s1 = new char[m];
s2 = new char[m];
int k = 0;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
s1[k] = interesting[i];
s2[k] = interesting[j];
k++;
}
}
s1[k] = 10;
s2[k] = 2;
expectEquals(-18932, sadCastedChar2Short(s1, s2));
expectEquals(-18932, sadCastedChar2ShortAlt(s1, s2));
expectEquals(-18932, sadCastedChar2ShortAlt2(s1, s2));
expectEquals(1291788, sadCastedChar2Int(s1, s2));
expectEquals(1291788, sadCastedChar2IntAlt(s1, s2));
expectEquals(1291788, sadCastedChar2IntAlt2(s1, s2));
expectEquals(1291788L, sadCastedChar2Long(s1, s2));
expectEquals(1291789L, sadCastedChar2LongAt1(s1, s2));
System.out.println("passed");
}
private static void expectEquals(int expected, int result) {
if (expected != result) {
throw new Error("Expected: " + expected + ", found: " + result);
}
}
private static void expectEquals(long expected, long result) {
if (expected != result) {
throw new Error("Expected: " + expected + ", found: " + result);
}
}
}