/* * Copyright (C) 2016 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 long longValue; public static void assertEquals(float expected, float result) { if (expected != result) { throw new Error("Expected: " + expected + ", found: " + result); } } public static void main(String[] args) { assertEquals(1.0F, $noinline$longToFloat(true)); assertEquals(2.0F, $noinline$longToFloat(false)); } /// CHECK-START: float Main.$noinline$longToFloat(boolean) register (after) /// CHECK: <> StaticFieldGet field_name:Main.longValue /// CHECK: <> TypeConversion [<>] /// CHECK: Return [<>] static float $noinline$longToFloat(boolean param) { // This if else is to avoid constant folding the long constant into a float constant. if (param) { longValue = $inline$returnConstOne(); } else { longValue = $inline$returnConstTwo(); } // This call prevents D8 from replacing the result of the sget instruction // in the return below by the result of the call to $inline$returnConstOne/Two() above. $inline$preventRedundantFieldLoadEliminationInD8(); return (float) longValue; } static long $inline$returnConstOne() { return 1L; } static long $inline$returnConstTwo() { return 2L; } static void $inline$preventRedundantFieldLoadEliminationInD8() {} }