# HG changeset patch
# User Lukas Stadler <lukas.stadler@oracle.com>
# Date 1422976136 -3600
# Node ID 33a394749d13d51134e13d1c393329f0c0c5b63c
# Parent  a8a2cc98eb558e0bfdec7ea884c755beb82eba71
test for scheduling of proxy inputs

diff -r a8a2cc98eb55 -r 33a394749d13 graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/SchedulingTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/SchedulingTest.java	Tue Feb 03 16:08:56 2015 +0100
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+package com.oracle.graal.compiler.test;
+
+import static org.junit.Assert.*;
+
+import java.util.*;
+
+import org.junit.*;
+
+import com.oracle.graal.graph.*;
+import com.oracle.graal.nodes.*;
+import com.oracle.graal.nodes.calc.*;
+import com.oracle.graal.nodes.cfg.*;
+import com.oracle.graal.nodes.util.*;
+import com.oracle.graal.phases.schedule.*;
+import com.oracle.graal.phases.schedule.SchedulePhase.SchedulingStrategy;
+
+public class SchedulingTest extends GraphScheduleTest {
+
+    public static int testValueProxyInputsSnippet(int s) {
+        int i = 0;
+        while (true) {
+            i++;
+            int v = i - s * 2;
+            if (i == s) {
+                return v;
+            }
+        }
+    }
+
+    @Test
+    public void testValueProxyInputs() {
+        StructuredGraph graph = parseEager("testValueProxyInputsSnippet");
+        for (FrameState fs : graph.getNodes().filter(FrameState.class).snapshot()) {
+            fs.replaceAtUsages(null);
+            GraphUtil.killWithUnusedFloatingInputs(fs);
+        }
+        SchedulePhase schedule = new SchedulePhase(SchedulingStrategy.LATEST);
+        schedule.apply(graph);
+        NodeMap<Block> nodeToBlock = schedule.getCFG().getNodeToBlock();
+        assertTrue(graph.getNodes().filter(LoopExitNode.class).count() == 1);
+        LoopExitNode loopExit = graph.getNodes().filter(LoopExitNode.class).first();
+        List<ValueNode> list = schedule.nodesFor(nodeToBlock.get(loopExit));
+        for (BinaryArithmeticNode<?> node : graph.getNodes().filter(BinaryArithmeticNode.class)) {
+            if (!(node instanceof AddNode)) {
+                assertTrue(nodeToBlock.get(node) == nodeToBlock.get(loopExit));
+                assertTrue(list.indexOf(node) < list.indexOf(loopExit));
+            }
+        }
+    }
+}