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comparison graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/type/StampTool.java @ 20074:a7ee2e1f0d4e

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remove UnboxNodes without usages (if object is non-null)
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 30 Mar 2015 13:59:59 +0200
parents 1b7dbb81df4f
children 35e1b66f2810
comparison
equal deleted inserted replaced
20073:a875af927be8 20074:a7ee2e1f0d4e
120 return isPointerNonNull(node.stamp()); 120 return isPointerNonNull(node.stamp());
121 } 121 }
122 122
123 /** 123 /**
124 * Checks whether this {@link Stamp} represents a {@linkplain Stamp#isLegal() legal} pointer 124 * Checks whether this {@link Stamp} represents a {@linkplain Stamp#isLegal() legal} pointer
125 * stamp whose values known to be always null. 125 * stamp whose values are known to never be null.
126 * 126 *
127 * @param stamp the stamp to check 127 * @param stamp the stamp to check
128 * @return true if this stamp represents a legal object stamp whose values are known to be 128 * @return true if this stamp represents a legal object stamp whose values are known to be
129 * always null 129 * always null
130 */ 130 */