1 /* 2 * Copyright (c) 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 package org.graalvm.compiler.lir.alloc.lsra; 24 25 import org.graalvm.compiler.debug.DebugContext; 26 import org.graalvm.compiler.lir.gen.LIRGenerationResult; 27 import static org.graalvm.compiler.lir.phases.AllocationPhase.AllocationContext; 28 import org.graalvm.compiler.lir.phases.LIRPhase; 29 30 import jdk.vm.ci.code.TargetDescription; 31 32 abstract class LinearScanAllocationPhase { 33 34 final CharSequence getName() { 35 return LIRPhase.createName(getClass()); 36 } 37 38 @Override 39 public final String toString() { 40 return getName().toString(); 41 } 42 43 public final void apply(TargetDescription target, LIRGenerationResult lirGenRes, AllocationContext context) { 44 apply(target, lirGenRes, context, true); 45 } 46 47 @SuppressWarnings("try") 48 public final void apply(TargetDescription target, LIRGenerationResult lirGenRes, AllocationContext context, boolean dumpLIR) { 49 DebugContext debug = lirGenRes.getLIR().getDebug(); 50 try (DebugContext.Scope s = debug.scope(getName(), this)) { 51 run(target, lirGenRes, context); 52 if (dumpLIR) { 53 if (debug.isDumpEnabled(DebugContext.VERBOSE_LEVEL)) { 54 debug.dump(DebugContext.VERBOSE_LEVEL, lirGenRes.getLIR(), "After %s", getName()); 55 } 56 } 57 } catch (Throwable e) { 58 throw debug.handle(e); 59 } 60 } 61 62 protected abstract void run(TargetDescription target, LIRGenerationResult lirGenRes, AllocationContext context); 63 64 }