# HG changeset patch
# User Lukas Stadler <lukas.stadler@oracle.com>
# Date 1401292043 -7200
# Node ID da6941811da8546db483128b94aa71c717fc5945
# Parent  451a7e38ebce2f319e8e56d6b0fa7d8006f07784
fast path for IntegerStamp.meet

diff -r 451a7e38ebce -r da6941811da8 graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/IntegerStamp.java
--- a/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/IntegerStamp.java	Wed May 28 17:47:23 2014 +0200
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/IntegerStamp.java	Wed May 28 17:47:23 2014 +0200
@@ -208,6 +208,9 @@
         if (!(otherStamp instanceof IntegerStamp)) {
             return StampFactory.illegal(Kind.Illegal);
         }
+        if (equals(otherStamp)) {
+            return this;
+        }
         IntegerStamp other = (IntegerStamp) otherStamp;
         return createStamp(other, Math.max(upperBound, other.upperBound), Math.min(lowerBound, other.lowerBound), downMask & other.downMask, upMask | other.upMask);
     }