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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.
*/
public class Main {
public static void foo(float f) {
// The reason this used to break:
// 1) We inline the 'foo' call, so blocks now only contain HLoadClass instructions.
// 2) We then run the code_flow_simplifier pass, which cannot change the
// if/else because blocks contain instructions.
// 3) We run GVN which will remove the HLoadClass instructions in the blocks.
// 4) At code generation, we are in the unlikely situation that a diamond shape
// contains no instruction (usually removed by code_flow_simplifier). This used
// to trip the ARM code generators.
if (f < 1.2f) {
foo(Main.class, Object.class);
if (f < 0.2f) {
foo(Main.class, Object.class);
} else {
foo(Main.class, Object.class);
}
} else {
System.out.println("Hello World: " + f);
}
}
public static void foo(Object a, Object b) {}
public static void main(String[] args) {
foo(0f);
foo(4f);
foo(0.1f);
}
}
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