Mercurial > hg > truffle
diff test/compiler/profiling/TestUnexpectedProfilingMismatch.java @ 13078:e6ba215af802
8027631: "unexpected profiling mismatch" error with new type profiling
Summary: inlined method handle calls can call methods with different signatures
Reviewed-by: kvn, iveresov
author | roland |
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date | Wed, 13 Nov 2013 09:45:58 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/profiling/TestUnexpectedProfilingMismatch.java Wed Nov 13 09:45:58 2013 +0100 @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8027631 + * @summary profiling of arguments at calls cannot rely on signature of callee for types + * @run main/othervm -XX:-BackgroundCompilation -XX:TieredStopAtLevel=3 -XX:TypeProfileLevel=111 -XX:Tier3InvocationThreshold=200 -XX:Tier0InvokeNotifyFreqLog=7 TestUnexpectedProfilingMismatch + * + */ + +import java.lang.invoke.*; + +public class TestUnexpectedProfilingMismatch { + + static class A { + } + + static class B { + } + + static void mA(A a) { + } + + static void mB(B b) { + } + + static final MethodHandle mhA; + static final MethodHandle mhB; + static { + MethodHandles.Lookup lookup = MethodHandles.lookup(); + MethodType mt = MethodType.methodType(void.class, A.class); + MethodHandle res = null; + try { + res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mA", mt); + } catch(NoSuchMethodException ex) { + } catch(IllegalAccessException ex) { + } + mhA = res; + mt = MethodType.methodType(void.class, B.class); + try { + res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mB", mt); + } catch(NoSuchMethodException ex) { + } catch(IllegalAccessException ex) { + } + mhB = res; + } + + void m1(A a, boolean doit) throws Throwable { + if (doit) { + mhA.invoke(a); + } + } + + void m2(B b) throws Throwable { + mhB.invoke(b); + } + + static public void main(String[] args) { + TestUnexpectedProfilingMismatch tih = new TestUnexpectedProfilingMismatch(); + A a = new A(); + B b = new B(); + try { + for (int i = 0; i < 256 - 1; i++) { + tih.m1(a, true); + } + // Will trigger the compilation but will also run once + // more interpreted with a non null MDO which it will + // update. Make it skip the body of the method. + tih.m1(a, false); + // Compile this one as well and do the profiling + for (int i = 0; i < 256; i++) { + tih.m2(b); + } + // Will run and see a conflict + tih.m1(a, true); + } catch(Throwable ex) { + ex.printStackTrace(); + } + System.out.println("TEST PASSED"); + } +}