Mercurial > hg > truffle
view graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/backend/AllocatorTest.java @ 21554:b1530a6cce8c
renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 26 May 2015 23:21:15 +0200 |
parents | 4d70d150944f |
children | 48c1ebd24120 |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.compiler.test.backend; import java.util.*; import org.junit.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.cfg.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.StandardOp.MoveOp; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions; import com.oracle.jvmci.debug.*; import com.oracle.jvmci.debug.Debug.Scope; public class AllocatorTest extends BackendTest { protected void testAllocation(String snippet, final int expectedRegisters, final int expectedRegRegMoves, final int expectedSpillMoves) { final StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES); try (Scope s = Debug.scope("AllocatorTest", graph, graph.method(), getCodeCache())) { final RegisterStats stats = new RegisterStats(getLIRGenerationResult(graph).getLIR()); try (Scope s2 = Debug.scope("Assertions", stats.lir)) { Assert.assertEquals("register count", expectedRegisters, stats.registers.size()); Assert.assertEquals("reg-reg moves", expectedRegRegMoves, stats.regRegMoves); Assert.assertEquals("spill moves", expectedSpillMoves, stats.spillMoves); } catch (Throwable e) { throw Debug.handle(e); } } catch (Throwable e) { throw Debug.handle(e); } } private class RegisterStats { public final LIR lir; public HashSet<Register> registers = new HashSet<>(); public int regRegMoves; public int spillMoves; public RegisterStats(LIR lir) { this.lir = lir; for (AbstractBlockBase<?> block : lir.codeEmittingOrder()) { for (LIRInstruction instr : lir.getLIRforBlock(block)) { collectStats(instr); } } } private ValueProcedure collectStatsProc = (value, mode, flags) -> { if (ValueUtil.isRegister(value)) { final Register reg = ValueUtil.asRegister(value); registers.add(reg); } return value; }; private void collectStats(final LIRInstruction instr) { instr.forEachOutput(collectStatsProc); if (instr instanceof MoveOp) { MoveOp move = (MoveOp) instr; Value def = move.getResult(); Value use = move.getInput(); if (ValueUtil.isRegister(def)) { if (ValueUtil.isRegister(use)) { regRegMoves++; } } else if (ValueUtil.isStackSlotValue(def)) { spillMoves++; } } } } }