# HG changeset patch
# User Roland Schatz <roland.schatz@oracle.com>
# Date 1426511820 -3600
# Node ID ac254887bfcd72fdccc553e27e97369d2cd1afed
# Parent  89dd568a845d64f080d635fb4a1f8726242e6c45
Make LIRGeneratorTool.append(op) return the op.

diff -r 89dd568a845d -r ac254887bfcd graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java
--- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java	Fri Mar 13 15:23:44 2015 +0100
+++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java	Mon Mar 16 14:17:00 2015 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 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
@@ -120,11 +120,12 @@
     List<AMD64HotSpotEpilogueOp> epilogueOps = new ArrayList<>(2);
 
     @Override
-    public void append(LIRInstruction op) {
-        super.append(op);
+    public <I extends LIRInstruction> I append(I op) {
+        I ret = super.append(op);
         if (op instanceof AMD64HotSpotEpilogueOp) {
             epilogueOps.add((AMD64HotSpotEpilogueOp) op);
         }
+        return ret;
     }
 
     @Override
diff -r 89dd568a845d -r ac254887bfcd graal/com.oracle.graal.lir/src/com/oracle/graal/lir/gen/LIRGenerator.java
--- a/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/gen/LIRGenerator.java	Fri Mar 13 15:23:44 2015 +0100
+++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/gen/LIRGenerator.java	Mon Mar 16 14:17:00 2015 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 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
@@ -177,13 +177,14 @@
         return res.getFrameMapBuilder().getRegisterConfig().getReturnRegister((Kind) kind.getPlatformKind()).asValue(kind);
     }
 
-    public void append(LIRInstruction op) {
+    public <I extends LIRInstruction> I append(I op) {
         if (Options.PrintIRWithLIR.getValue() && !TTY.isSuppressed()) {
             TTY.println(op.toStringWithIdPrefix());
             TTY.println();
         }
         assert LIRVerifier.verify(op);
         res.getLIR().getLIRforBlock(currentBlock).add(op);
+        return op;
     }
 
     public boolean hasBlockEnd(AbstractBlockBase<?> block) {
diff -r 89dd568a845d -r ac254887bfcd graal/com.oracle.graal.lir/src/com/oracle/graal/lir/gen/LIRGeneratorTool.java
--- a/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/gen/LIRGeneratorTool.java	Fri Mar 13 15:23:44 2015 +0100
+++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/gen/LIRGeneratorTool.java	Mon Mar 16 14:17:00 2015 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 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
@@ -159,7 +159,7 @@
      */
     AllocatableValue resultOperandFor(LIRKind kind);
 
-    void append(LIRInstruction op);
+    <I extends LIRInstruction> I append(I op);
 
     void emitJump(LabelRef label);