| /* |
| * 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 { |
| |
| /// CHECK-START: char Main.$noinline$inlineMonomorphic(java.lang.CharSequence) inliner (before) |
| /// CHECK: InvokeInterface method_name:java.lang.CharSequence.charAt |
| |
| /// CHECK-START: char Main.$noinline$inlineMonomorphic(java.lang.CharSequence) inliner (after) |
| /// CHECK: Deoptimize |
| /// CHECK: InvokeVirtual method_name:java.lang.String.charAt intrinsic:StringCharAt |
| |
| /// CHECK-START: char Main.$noinline$inlineMonomorphic(java.lang.CharSequence) instruction_simplifier$after_inlining (after) |
| /// CHECK: Deoptimize |
| /// CHECK-NOT: InvokeInterface |
| /// CHECK-NOT: InvokeVirtual |
| |
| public static char $noinline$inlineMonomorphic(CharSequence cs) { |
| return cs.charAt(0); |
| } |
| |
| /// CHECK-START: char Main.$noinline$knownReceiverType() inliner (before) |
| /// CHECK: InvokeInterface method_name:java.lang.CharSequence.charAt |
| |
| /// CHECK-START: char Main.$noinline$knownReceiverType() inliner (after) |
| /// CHECK: InvokeVirtual method_name:java.lang.String.charAt intrinsic:StringCharAt |
| |
| /// CHECK-START: char Main.$noinline$knownReceiverType() instruction_simplifier$after_inlining (after) |
| /// CHECK-NOT: InvokeInterface |
| /// CHECK-NOT: InvokeVirtual |
| |
| public static char $noinline$knownReceiverType() { |
| CharSequence cs = "abc"; |
| return cs.charAt(1); |
| } |
| |
| /// CHECK-START: boolean Main.$noinline$stringEquals(java.lang.Object) inliner (before) |
| /// CHECK: InvokeVirtual method_name:java.lang.Object.equals intrinsic:None |
| |
| /// CHECK-START: boolean Main.$noinline$stringEquals(java.lang.Object) inliner (after) |
| /// CHECK: Deoptimize |
| /// CHECK: InvokeVirtual method_name:java.lang.String.equals intrinsic:StringEquals |
| |
| /// CHECK-START: boolean Main.$noinline$stringEquals(java.lang.Object) instruction_simplifier$after_inlining (after) |
| /// CHECK: Deoptimize |
| /// CHECK: InvokeVirtual method_name:java.lang.String.equals intrinsic:StringEquals |
| |
| public static boolean $noinline$stringEquals(Object obj) { |
| return obj.equals("def"); |
| } |
| |
| public static void test() { |
| // Warm up inline cache. |
| for (int i = 0; i < 45; i++) { |
| $noinline$inlineMonomorphic(str); |
| } |
| for (int i = 0; i < 60; i++) { |
| $noinline$stringEquals(str); |
| } |
| ensureJitCompiled(Main.class, "$noinline$stringEquals"); |
| ensureJitCompiled(Main.class, "$noinline$inlineMonomorphic"); |
| ensureJitCompiled(Main.class, "$noinline$knownReceiverType"); |
| if ($noinline$inlineMonomorphic(str) != 'x') { |
| throw new Error("Expected x"); |
| } |
| if ($noinline$knownReceiverType() != 'b') { |
| throw new Error("Expected b"); |
| } |
| if ($noinline$stringEquals("abc")) { |
| throw new Error("Expected false"); |
| } |
| } |
| |
| public static void main(String[] args) { |
| System.loadLibrary(args[0]); |
| test(); |
| } |
| |
| static String str = "xyz"; |
| |
| private static native void ensureJitCompiled(Class<?> itf, String method_name); |
| } |