# HG changeset patch
# User Lukas Stadler <lukas.stadler@jku.at>
# Date 1365441521 -7200
# Node ID 0f18f7d5b39684b9e32176c9fd1802e262e6c5fd
# Parent  5075e8f0a38019fa75cf493f8ae8f4e025d633f2
add test for read elimination

diff -r 5075e8f0a380 -r 0f18f7d5b396 graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/PEAReadEliminationTest.java
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/PEAReadEliminationTest.java	Mon Apr 08 19:18:18 2013 +0200
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/PEAReadEliminationTest.java	Mon Apr 08 19:18:41 2013 +0200
@@ -143,10 +143,11 @@
     }
 
     @SuppressWarnings("all")
-    public static int testBadLoopSnippet(TestObject obj, int a, int b) {
+    public static int testBadLoopSnippet(TestObject obj, TestObject obj2, int a, int b) {
         obj.x = a;
         for (int i = 0; i < 10; i++) {
             staticField = obj;
+            obj2.x = 10;
             obj.x = 0;
         }
         return obj.x;
@@ -155,6 +156,24 @@
     @Test
     public void testBadLoop() {
         ValueNode result = getReturn("testBadLoopSnippet").result();
+        assertEquals(0, graph.getNodes(LoadFieldNode.class).count());
+        assertTrue(result instanceof ProxyNode);
+        assertTrue(((ProxyNode) result).value() instanceof PhiNode);
+    }
+
+    @SuppressWarnings("all")
+    public static int testBadLoop2Snippet(TestObject obj, TestObject obj2, int a, int b) {
+        obj.x = a;
+        for (int i = 0; i < 10; i++) {
+            obj.x = 0;
+            obj2.x = 10;
+        }
+        return obj.x;
+    }
+
+    @Test
+    public void testBadLoop2() {
+        ValueNode result = getReturn("testBadLoop2Snippet").result();
         assertEquals(1, graph.getNodes(LoadFieldNode.class).count());
         assertTrue(result instanceof LoadFieldNode);
     }