--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/spi/LIRProviders.java	Tue Apr 22 09:32:05 2014 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2013, 2014, 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.common.spi;
+
+import com.oracle.graal.api.code.*;
+import com.oracle.graal.api.meta.*;
+
+/**
+ * A set of providers which are required for LIR and/or code generation. Some may not be present
+ * (i.e., null).
+ */
+public interface LIRProviders {
+
+    MetaAccessProvider getMetaAccess();
+
+    CodeCacheProvider getCodeCache();
+
+    ForeignCallsProvider getForeignCalls();
+
+    ConstantReflectionProvider getConstantReflection();
+
+}

--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/LIRGenerator.java	Tue Apr 22 09:55:24 2014 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/LIRGenerator.java	Tue Apr 22 09:32:05 2014 +0200
@@ -46,7 +46,6 @@
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.spi.*;
 import com.oracle.graal.options.*;
-import com.oracle.graal.phases.util.*;
 
 /**
  * This class traverses the HIR instructions and generates LIR instructions from them.
@@ -62,7 +61,7 @@
         // @formatter:on
     }
 
-    private final Providers providers;
+    private final LIRProviders providers;
     private final CallingConvention cc;
 
     private DebugInfoBuilder debugInfoBuilder;
@@ -163,7 +162,7 @@
      */
     public abstract boolean canStoreConstant(Constant c, boolean isCompressed);
 
-    public LIRGenerator(Providers providers, CallingConvention cc, LIRGenerationResult res) {
+    public LIRGenerator(LIRProviders providers, CallingConvention cc, LIRGenerationResult res) {
         this.res = res;
         this.providers = providers;
         this.cc = cc;
@@ -184,7 +183,7 @@
         return getCodeCache().getTarget();
     }
 
-    public Providers getProviders() {
+    public LIRProviders getProviders() {
         return providers;
     }
 

--- a/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/util/Providers.java	Tue Apr 22 09:55:24 2014 +0200
+++ b/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/util/Providers.java	Tue Apr 22 09:32:05 2014 +0200
@@ -24,13 +24,14 @@
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
+import com.oracle.graal.compiler.common.spi.*;
 import com.oracle.graal.nodes.spi.*;
 import com.oracle.graal.phases.tiers.*;
 
 /**
  * A set of providers, some of which may not be present (i.e., null).
  */
-public class Providers {
+public class Providers implements LIRProviders {
 
     private final MetaAccessProvider metaAccess;
     private final CodeCacheProvider codeCache;