1 /*

     2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     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 

    24 

    25 package org.graalvm.compiler.lir.alloc.trace.lsra;

    26 

    27 import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;

    28 import org.graalvm.compiler.core.common.alloc.Trace;

    29 import org.graalvm.compiler.core.common.alloc.TraceBuilderResult;

    30 import org.graalvm.compiler.debug.DebugContext;

    31 import org.graalvm.compiler.lir.alloc.trace.lsra.TraceLinearScanPhase.TraceLinearScan;

    32 import org.graalvm.compiler.lir.gen.LIRGenerationResult;

    33 import org.graalvm.compiler.lir.gen.LIRGeneratorTool.MoveFactory;

    34 import org.graalvm.compiler.lir.phases.LIRPhase;

    35 

    36 import jdk.vm.ci.code.TargetDescription;

    37 

    38 abstract class TraceLinearScanAllocationPhase {

    39 

    40     final CharSequence getName() {

    41         return LIRPhase.createName(getClass());

    42     }

    43 

    44     @Override

    45     public final String toString() {

    46         return getName().toString();

    47     }

    48 

    49     final void apply(TargetDescription target, LIRGenerationResult lirGenRes, Trace trace, MoveFactory spillMoveFactory, RegisterAllocationConfig registerAllocationConfig,

    50                     TraceBuilderResult traceBuilderResult, TraceLinearScan allocator) {

    51         apply(target, lirGenRes, trace, spillMoveFactory, registerAllocationConfig, traceBuilderResult, allocator, true);

    52     }

    53 

    54     final void apply(TargetDescription target, LIRGenerationResult lirGenRes, Trace trace, MoveFactory spillMoveFactory, RegisterAllocationConfig registerAllocationConfig,

    55                     TraceBuilderResult traceBuilderResult, TraceLinearScan allocator, boolean dumpLIR) {

    56         run(target, lirGenRes, trace, spillMoveFactory, registerAllocationConfig, traceBuilderResult, allocator);

    57         if (dumpLIR) {

    58             DebugContext debug = lirGenRes.getLIR().getDebug();

    59             if (debug.isDumpEnabled(DebugContext.DETAILED_LEVEL)) {

    60                 debug.dump(DebugContext.DETAILED_LEVEL, trace, "After %s (Trace%s)", getName(), trace.getId());

    61             }

    62         }

    63     }

    64 

    65     abstract void run(TargetDescription target, LIRGenerationResult lirGenRes, Trace trace, MoveFactory spillMoveFactory, RegisterAllocationConfig registerAllocationConfig,

    66                     TraceBuilderResult traceBuilderResult, TraceLinearScan allocator);

    67 

    68 }