9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  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.core.common.alloc;
  24 
  25 import java.util.ArrayList;
  26 
  27 import org.graalvm.compiler.core.common.alloc.TraceBuilderResult.TrivialTracePredicate;
  28 import org.graalvm.compiler.core.common.cfg.AbstractBlockBase;

  29 
  30 /**
  31  * Builds traces consisting of a single basic block.
  32  */
  33 public final class SingleBlockTraceBuilder {
  34 
  35     public static TraceBuilderResult computeTraces(AbstractBlockBase<?> startBlock, AbstractBlockBase<?>[] blocks, TrivialTracePredicate pred) {
  36         return build(startBlock, blocks, pred);
  37     }
  38 
  39     private static TraceBuilderResult build(AbstractBlockBase<?> startBlock, AbstractBlockBase<?>[] blocks, TrivialTracePredicate pred) {
  40         Trace[] blockToTrace = new Trace[blocks.length];
  41         ArrayList<Trace> traces = new ArrayList<>(blocks.length);
  42 
  43         for (AbstractBlockBase<?> block : blocks) {
  44             Trace trace = new Trace(new AbstractBlockBase<?>[]{block});
  45             blockToTrace[block.getId()] = trace;
  46             block.setLinearScanNumber(0);
  47             trace.setId(traces.size());
  48             traces.add(trace);
  49         }
  50 
  51         assert traces.get(0).getBlocks()[0].equals(startBlock) : "The first traces always contains the start block";
  52         return TraceBuilderResult.create(blocks, traces, blockToTrace, pred);
  53     }
  54 
  55 }

   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  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.core.common.alloc;
  24 
  25 import java.util.ArrayList;
  26 
  27 import org.graalvm.compiler.core.common.alloc.TraceBuilderResult.TrivialTracePredicate;
  28 import org.graalvm.compiler.core.common.cfg.AbstractBlockBase;
  29 import org.graalvm.compiler.debug.DebugContext;
  30 
  31 /**
  32  * Builds traces consisting of a single basic block.
  33  */
  34 public final class SingleBlockTraceBuilder {
  35 
  36     public static TraceBuilderResult computeTraces(DebugContext debug, AbstractBlockBase<?> startBlock, AbstractBlockBase<?>[] blocks, TrivialTracePredicate pred) {
  37         return build(debug, startBlock, blocks, pred);
  38     }
  39 
  40     private static TraceBuilderResult build(DebugContext debug, AbstractBlockBase<?> startBlock, AbstractBlockBase<?>[] blocks, TrivialTracePredicate pred) {
  41         Trace[] blockToTrace = new Trace[blocks.length];
  42         ArrayList<Trace> traces = new ArrayList<>(blocks.length);
  43 
  44         for (AbstractBlockBase<?> block : blocks) {
  45             Trace trace = new Trace(new AbstractBlockBase<?>[]{block});
  46             blockToTrace[block.getId()] = trace;
  47             block.setLinearScanNumber(0);
  48             trace.setId(traces.size());
  49             traces.add(trace);
  50         }
  51 
  52         assert traces.get(0).getBlocks()[0].equals(startBlock) : "The first traces always contains the start block";
  53         return TraceBuilderResult.create(debug, blocks, traces, blockToTrace, pred);
  54     }
  55 
  56 }