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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 {
/// 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.$noinline$inlinePolymorphic(java.lang.CharSequence) inliner (before)
/// CHECK: InvokeInterface method_name:java.lang.CharSequence.charAt
/// CHECK-START: char Main.$noinline$inlinePolymorphic(java.lang.CharSequence) inliner (after)
/// CHECK: InvokeVirtual method_name:java.lang.String.charAt intrinsic:StringCharAt
/// CHECK: Deoptimize
/// CHECK-START: char Main.$noinline$inlinePolymorphic(java.lang.CharSequence) instruction_simplifier$after_inlining (after)
/// CHECK: Deoptimize
/// CHECK-START: char Main.$noinline$inlinePolymorphic(java.lang.CharSequence) instruction_simplifier$after_inlining (after)
/// CHECK-NOT: InvokeInterface
/// CHECK-START: char Main.$noinline$inlinePolymorphic(java.lang.CharSequence) instruction_simplifier$after_inlining (after)
/// CHECK-NOT: InvokeVirtual method_name:java.lang.String.charAt
public static char $noinline$inlinePolymorphic(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() {
ensureJitBaselineCompiled(Main.class, "$noinline$stringEquals");
ensureJitBaselineCompiled(Main.class, "$noinline$inlineMonomorphic");
ensureJitBaselineCompiled(Main.class, "$noinline$knownReceiverType");
ensureJitBaselineCompiled(Main.class, "$noinline$inlinePolymorphic");
// Warm up inline cache.
for (int i = 0; i < 600000; i++) {
$noinline$inlineMonomorphic(str);
$noinline$stringEquals(str);
$noinline$inlinePolymorphic(str);
$noinline$inlinePolymorphic(strBuilder);
}
ensureJitCompiled(Main.class, "$noinline$stringEquals");
ensureJitCompiled(Main.class, "$noinline$inlineMonomorphic");
ensureJitCompiled(Main.class, "$noinline$inlinePolymorphic");
ensureJitCompiled(Main.class, "$noinline$knownReceiverType");
if ($noinline$inlineMonomorphic(str) != 'x') {
throw new Error("Expected x");
}
if ($noinline$inlinePolymorphic(str) != 'x') {
throw new Error("Expected x");
}
if ($noinline$inlinePolymorphic(strBuilder) != 'a') {
throw new Error("Expected a");
}
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";
static StringBuilder strBuilder = new StringBuilder("abc");
private static native void ensureJitBaselineCompiled(Class<?> itf, String method_name);
private static native void ensureJitCompiled(Class<?> itf, String method_name);
}
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