/* * 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 { // 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: ArraySet // 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; if (z) { } else { // Create enough live instructions to force spilling on x86. int h = live4; int i = live5; array[2] = e + i + h; array[3] = f + i + h; array[4] = g + i + h; array[0] = h; array[1] = i + h; } live1 = e + f + g; } // 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: ArraySet // 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; if (z) { if (y) { int h = live4; int i = live5; array[2] = e + i + h; array[3] = f + i + h; array[4] = g + i + h; array[0] = h; array[1] = i + h; } } live1 = e + f + g; } // CHECK-START: void Main.test3(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 "B6" // CHECK-NOT: end_block // CHECK: ArraySet // 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 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; if (z) { live1 = e; } else { if (y) { live1 = e; } else { int h = live4; int i = live5; array[2] = e + i + h; array[3] = f + i + h; array[4] = g + i + h; array[0] = h; array[1] = i + h; } } live1 = e + f + g; } public static void main(String[] args) { } static boolean y; static int live1; static int live2; static int live3; static int live4; static int live5; static int[] array; }