1 /* 2 * Copyright (c) 2015, 2015, 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.stackslotalloc; 24 25 import org.graalvm.compiler.lir.VirtualStackSlot; 26 import org.graalvm.compiler.lir.debug.IntervalDumper; 27 28 import jdk.vm.ci.meta.Value; 29 30 class StackIntervalDumper implements IntervalDumper { 31 private final StackInterval[] intervals; 32 33 StackIntervalDumper(StackInterval[] intervals) { 34 this.intervals = intervals; 35 } 36 37 @Override 38 public void visitIntervals(IntervalVisitor visitor) { 39 for (StackInterval interval : intervals) { 40 if (interval != null) { 41 printInterval(interval, visitor); 42 } 43 } 44 } 45 46 private static void printInterval(StackInterval interval, IntervalVisitor visitor) { 47 Value hint = interval.locationHint() != null ? interval.locationHint().getOperand() : null; 48 VirtualStackSlot operand = interval.getOperand(); 49 String type = operand.getValueKind().getPlatformKind().toString(); 50 visitor.visitIntervalStart(operand, operand, interval.location(), hint, type); 51 52 // print ranges 53 visitor.visitRange(interval.from(), interval.to()); 54 55 // no use positions 56 57 visitor.visitIntervalEnd("NOT_SUPPORTED"); 58 } 59 60 }