blob: 7aab6598a10036dc8bbe08efb76b437d4d0423d2 [file] [log] [blame]
/*
* 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.
*/
public class Main {
static class Foo {
int field0;
int field1;
int field2;
int field3;
int field4;
};
/// CHECK-START: void Main.test1(boolean, int, int, int, int, int) register (after)
/// CHECK: name "B0"
/// CHECK-NOT: ParallelMove
/// CHECK: name "B1"
/// CHECK-NOT: end_block
/// CHECK: If
/// CHECK-NOT: ParallelMove
/// CHECK: name "B3"
/// CHECK-NOT: end_block
/// CHECK: InstanceFieldSet
// We could check here that there is a parallel move, but it's only valid
// for some architectures (for example x86), as other architectures may
// not do move at all.
/// CHECK: end_block
/// CHECK-NOT: ParallelMove
public static void test1(boolean z, int a, int b, int c, int d, int m) {
int e = live1;
int f = live2;
int g = live3;
int j = live0;
if (z) {
} else {
// Create enough live instructions to force spilling on x86.
int h = live4;
int i = live5;
foo.field2 = e + i + h;
foo.field3 = f + i + h;
foo.field4 = g + i + h;
foo.field0 = h;
foo.field1 = i + h;
}
live1 = e + f + g + j;
}
/// CHECK-START: void Main.test2(boolean, int, int, int, int, int) register (after)
/// CHECK: name "B0"
/// CHECK-NOT: ParallelMove
/// CHECK: name "B1"
/// CHECK-NOT: end_block
/// CHECK: If
/// CHECK-NOT: ParallelMove
/// CHECK: name "B3"
/// CHECK-NOT: end_block
/// CHECK: InstanceFieldSet
// We could check here that there is a parallel move, but it's only valid
// for some architectures (for example x86), as other architectures may
// not do move at all.
/// CHECK: end_block
/// CHECK-NOT: ParallelMove
public static void test2(boolean z, int a, int b, int c, int d, int m) {
int e = live1;
int f = live2;
int g = live3;
int j = live0;
if (z) {
if (y) {
int h = live4;
int i = live5;
foo.field2 = e + i + h;
foo.field3 = f + i + h;
foo.field4 = g + i + h;
foo.field0 = h;
foo.field1 = i + h;
}
}
live1 = e + f + g + j;
}
/// CHECK-START: void Main.test3(boolean, int, int, int, int, int) register (after)
/// CHECK: name "B0"
/// CHECK-NOT: ParallelMove
/// CHECK: name "B1"
public static void test3(boolean z, int a, int b, int c, int d, int m) {
// Same version as test2, but with branches reversed, to ensure
// whatever linear order is computed, we will get the same results.
int e = live1;
int f = live2;
int g = live3;
int j = live0;
if (z) {
live1 = e;
} else {
if (y) {
live1 = e;
} else {
int h = live4;
int i = live5;
foo.field2 = e + i + h;
foo.field3 = f + i + h;
foo.field4 = g + i + h;
foo.field0 = h;
foo.field1 = i + h;
}
}
live1 = e + f + g + j;
}
public static void main(String[] args) {
}
static boolean y;
static int live0;
static int live1;
static int live2;
static int live3;
static int live4;
static int live5;
static Foo foo;
}