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/*
* 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 MIN/MAX vectorization.
*/
public class Main {
/// CHECK-START: void Main.doitMin(byte[], byte[], byte[]) loop_optimization (before)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Min:i\d+>> InvokeStaticOrDirect [<<Get1>>,<<Get2>>] intrinsic:MathMinIntInt loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv:b\d+>> TypeConversion [<<Min>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-ARM64: void Main.doitMin(byte[], byte[], byte[]) loop_optimization (after)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none
/// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-MIPS64: void Main.doitMin(byte[], byte[], byte[]) loop_optimization (after)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none
/// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none
private static void doitMin(byte[] x, byte[] y, byte[] z) {
int min = Math.min(x.length, Math.min(y.length, z.length));
for (int i = 0; i < min; i++) {
x[i] = (byte) Math.min(y[i], z[i]);
}
}
/// CHECK-START-ARM64: void Main.doitMinUnsigned(byte[], byte[], byte[]) loop_optimization (before)
/// CHECK-DAG: <<I255:i\d+>> IntConstant 255 loop:none
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<And1:i\d+>> And [<<Get1>>,<<I255>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<And2:i\d+>> And [<<Get2>>,<<I255>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Min:i\d+>> InvokeStaticOrDirect [<<And1>>,<<And2>>] intrinsic:MathMinIntInt loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv:b\d+>> TypeConversion [<<Min>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-ARM64: void Main.doitMinUnsigned(byte[], byte[], byte[]) loop_optimization (after)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none
/// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-MIPS64: void Main.doitMinUnsigned(byte[], byte[], byte[]) loop_optimization (after)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Min:d\d+>> VecMin [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none
/// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Min>>] loop:<<Loop>> outer_loop:none
private static void doitMinUnsigned(byte[] x, byte[] y, byte[] z) {
int min = Math.min(x.length, Math.min(y.length, z.length));
for (int i = 0; i < min; i++) {
x[i] = (byte) Math.min(y[i] & 0xff, z[i] & 0xff);
}
}
/// CHECK-START: void Main.doitMax(byte[], byte[], byte[]) loop_optimization (before)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Max:i\d+>> InvokeStaticOrDirect [<<Get1>>,<<Get2>>] intrinsic:MathMaxIntInt loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv:b\d+>> TypeConversion [<<Max>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-ARM64: void Main.doitMax(byte[], byte[], byte[]) loop_optimization (after)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none
/// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-MIPS64: void Main.doitMax(byte[], byte[], byte[]) loop_optimization (after)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:false loop:<<Loop>> outer_loop:none
/// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none
private static void doitMax(byte[] x, byte[] y, byte[] z) {
int min = Math.min(x.length, Math.min(y.length, z.length));
for (int i = 0; i < min; i++) {
x[i] = (byte) Math.max(y[i], z[i]);
}
}
/// CHECK-START-ARM64: void Main.doitMaxUnsigned(byte[], byte[], byte[]) loop_optimization (before)
/// CHECK-DAG: <<I255:i\d+>> IntConstant 255 loop:none
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:b\d+>> ArrayGet loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<And1:i\d+>> And [<<Get1>>,<<I255>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<And2:i\d+>> And [<<Get2>>,<<I255>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Max:i\d+>> InvokeStaticOrDirect [<<And1>>,<<And2>>] intrinsic:MathMaxIntInt loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Cnv:b\d+>> TypeConversion [<<Max>>] loop:<<Loop>> outer_loop:none
/// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-ARM64: void Main.doitMaxUnsigned(byte[], byte[], byte[]) loop_optimization (after)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none
/// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none
//
/// CHECK-START-MIPS64: void Main.doitMaxUnsigned(byte[], byte[], byte[]) loop_optimization (after)
/// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none
/// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none
/// CHECK-DAG: <<Max:d\d+>> VecMax [<<Get1>>,<<Get2>>] unsigned:true loop:<<Loop>> outer_loop:none
/// CHECK-DAG: VecStore [{{l\d+}},<<Phi>>,<<Max>>] loop:<<Loop>> outer_loop:none
private static void doitMaxUnsigned(byte[] x, byte[] y, byte[] z) {
int min = Math.min(x.length, Math.min(y.length, z.length));
for (int i = 0; i < min; i++) {
x[i] = (byte) Math.max(y[i] & 0xff, z[i] & 0xff);
}
}
public static void main(String[] args) {
// Initialize cross-values for all possible values.
int total = 256 * 256;
byte[] x = new byte[total];
byte[] y = new byte[total];
byte[] z = new byte[total];
int k = 0;
for (int i = 0; i < 256; i++) {
for (int j = 0; j < 256; j++) {
x[k] = 0;
y[k] = (byte) i;
z[k] = (byte) j;
k++;
}
}
// And test.
doitMin(x, y, z);
for (int i = 0; i < total; i++) {
byte expected = (byte) Math.min(y[i], z[i]);
expectEquals(expected, x[i]);
}
doitMinUnsigned(x, y, z);
for (int i = 0; i < total; i++) {
byte expected = (byte) Math.min(y[i] & 0xff, z[i] & 0xff);
expectEquals(expected, x[i]);
}
doitMax(x, y, z);
for (int i = 0; i < total; i++) {
byte expected = (byte) Math.max(y[i], z[i]);
expectEquals(expected, x[i]);
}
doitMaxUnsigned(x, y, z);
for (int i = 0; i < total; i++) {
byte expected = (byte) Math.max(y[i] & 0xff, z[i] & 0xff);
expectEquals(expected, x[i]);
}
System.out.println("passed");
}
private static void expectEquals(byte expected, byte result) {
if (expected != result) {
throw new Error("Expected: " + expected + ", found: " + result);
}
}
}
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