11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.graph.spi;
  24 
  25 import jdk.vm.ci.meta.Assumptions;
  26 import jdk.vm.ci.meta.ConstantReflectionProvider;
  27 import jdk.vm.ci.meta.MetaAccessProvider;
  28 
  29 import org.graalvm.compiler.core.common.spi.ConstantFieldProvider;
  30 import org.graalvm.compiler.graph.Node;

  31 
  32 public interface CanonicalizerTool {
  33 
  34     Assumptions getAssumptions();
  35 
  36     MetaAccessProvider getMetaAccess();
  37 
  38     ConstantReflectionProvider getConstantReflection();
  39 
  40     ConstantFieldProvider getConstantFieldProvider();
  41 
  42     boolean canonicalizeReads();
  43 
  44     /**
  45      * If this method returns false, not all {@link Node#usages() usages of a node} are yet
  46      * available. So a node must not be canonicalized base on, e.g., information returned from
  47      * {@link Node#hasNoUsages()}.
  48      */
  49     boolean allUsagesAvailable();
  50 
  51     /**
  52      * Indicates whether the target platform supports comparison of integers of a particular bit
  53      * width. This check is used by canonicalizations that might introduce subword compares.
  54      */
  55     boolean supportSubwordCompare(int bits);


  56 }

  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.graph.spi;
  24 
  25 import jdk.vm.ci.meta.Assumptions;
  26 import jdk.vm.ci.meta.ConstantReflectionProvider;
  27 import jdk.vm.ci.meta.MetaAccessProvider;
  28 
  29 import org.graalvm.compiler.core.common.spi.ConstantFieldProvider;
  30 import org.graalvm.compiler.graph.Node;
  31 import org.graalvm.compiler.options.OptionValues;
  32 
  33 public interface CanonicalizerTool {
  34 
  35     Assumptions getAssumptions();
  36 
  37     MetaAccessProvider getMetaAccess();
  38 
  39     ConstantReflectionProvider getConstantReflection();
  40 
  41     ConstantFieldProvider getConstantFieldProvider();
  42 
  43     boolean canonicalizeReads();
  44 
  45     /**
  46      * If this method returns false, not all {@link Node#usages() usages of a node} are yet
  47      * available. So a node must not be canonicalized base on, e.g., information returned from
  48      * {@link Node#hasNoUsages()}.
  49      */
  50     boolean allUsagesAvailable();
  51 
  52     /**
  53      * Indicates whether the target platform supports comparison of integers of a particular bit
  54      * width. This check is used by canonicalizations that might introduce subword compares.
  55      */
  56     boolean supportSubwordCompare(int bits);
  57 
  58     OptionValues getOptions();
  59 }