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diff graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/Stamp.java @ 19716:2fd45bb25118

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Initial version of new dominator-based conditional elimination phase.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 08 Mar 2015 21:58:34 +0100
parents 1a21e7ced544
children 51f2e71b57aa
line wrap: on
line diff
--- a/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/Stamp.java	Thu Mar 05 14:26:16 2015 +0100
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/Stamp.java	Sun Mar 08 21:58:34 2015 +0100
@@ -135,4 +135,13 @@
         }
         return newStamp;
     }
+
+    public boolean neverDistinct(Stamp other) {
+        Constant constant = this.asConstant();
+        if (constant != null) {
+            Constant otherConstant = other.asConstant();
+            return otherConstant != null && constant.equals(otherConstant);
+        }
+        return false;
+    }
 }