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diff graal/GraalCompiler/src/com/sun/c1x/ir/Instruction.java @ 2756:bfcdda4fdd73

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Removed the direct connection between BlockBegin and BlockEnd.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Fri, 20 May 2011 14:51:45 +0200
parents c1a9bf38da28
children 27512ea6bbcb
line wrap: on
line diff
--- a/graal/GraalCompiler/src/com/sun/c1x/ir/Instruction.java	Fri May 20 14:34:36 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/ir/Instruction.java	Fri May 20 14:51:45 2011 +0200
@@ -22,6 +22,8 @@
  */
 package com.sun.c1x.ir;
 
+import java.util.*;
+
 import com.oracle.graal.graph.*;
 import com.sun.c1x.*;
 import com.sun.c1x.value.*;
@@ -112,10 +114,11 @@
     @Override
     public BlockBegin block() {
         Instruction cur = this;
-        while (!(cur instanceof BlockEnd)) {
-            cur = cur.next();
+        while (!(cur instanceof BlockBegin)) {
+            List<Node> preds = cur.predecessors();
+            cur = (Instruction) preds.get(0);
         }
-        return ((BlockEnd) cur).begin();
+        return (BlockBegin) cur;
     }
 
     /**