Mercurial > hg > truffle

comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/CompilerDirectives.java @ 18309:d079b2af3a15

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Truffle: more explicit warning about isCompilationConstant.
author Chris Seaton <chris.seaton@oracle.com>
date Sat, 08 Nov 2014 22:03:36 +0000
parents 4a8dd0fdcc38
children 48dd71b3dc03
comparison
equal deleted inserted replaced
18308:7c7930eb4def 18309:d079b2af3a15
112 * } 112 * }
113 * } 113 * }
114 * </code> 114 * </code>
115 * </pre> 115 * </pre>
116 * 116 *
117 * Note that optimizations that a compiler will apply to code that is conditional on
118 * <code>isCompilationConstant</code> may be limited. For this reason
119 * <code>isCompilationConstant</code> is not recommended for use to select between alternate
120 * implementations of functionality depending on whether a value is constant. Instead, it is
121 * intended for use as a diagnostic mechanism, such as illustrated above.
122 *
117 * @param value 123 * @param value
118 * @return {@code true} when given value is seen as compilation constant, {@code false} if not 124 * @return {@code true} when given value is seen as compilation constant, {@code false} if not
119 * compilation constant. 125 * compilation constant.
120 */ 126 */
121 public static boolean isCompilationConstant(Object value) { 127 public static boolean isCompilationConstant(Object value) {