Mercurial > hg > truffle
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/framemap/FrameMapBuilderImpl.java @ 19020:312cf5a0376e
Remove FrameMapBuilder.requireMapping() (only LIR needs to be updated).
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Wed, 03 Dec 2014 20:21:24 +0100 |
parents | d68ab3959fec |
children | 252067cb86ad |
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/* * Copyright (c) 2014, 2014, 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.lir.framemap; import static com.oracle.graal.api.code.ValueUtil.*; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.compiler.common.cfg.*; import com.oracle.graal.debug.*; import com.oracle.graal.debug.Debug.Scope; import com.oracle.graal.lir.*; import com.oracle.graal.lir.gen.*; /** * A FrameMapBuilder that records allocation. */ public class FrameMapBuilderImpl implements FrameMapBuilder { private final RegisterConfig registerConfig; private final CodeCacheProvider codeCache; protected final FrameMap frameMap; private final List<VirtualStackSlot> stackSlots; private final List<CallingConvention> calls; private int numStackSlots; public FrameMapBuilderImpl(FrameMap frameMap, CodeCacheProvider codeCache, RegisterConfig registerConfig) { assert registerConfig != null : "No register config!"; this.registerConfig = registerConfig == null ? codeCache.getRegisterConfig() : registerConfig; this.codeCache = codeCache; this.frameMap = frameMap; this.stackSlots = new ArrayList<>(); this.calls = new ArrayList<>(); this.numStackSlots = 0; } public VirtualStackSlot allocateSpillSlot(LIRKind kind) { SimpleVirtualStackSlot slot = new SimpleVirtualStackSlot(numStackSlots++, kind); stackSlots.add(slot); return slot; } public VirtualStackSlot allocateStackSlots(int slots, BitSet objects, List<VirtualStackSlot> outObjectStackSlots) { if (slots == 0) { return null; } if (outObjectStackSlots != null) { throw GraalInternalError.unimplemented(); } VirtualStackSlotRange slot = new VirtualStackSlotRange(numStackSlots++, slots, objects); stackSlots.add(slot); return slot; } public RegisterConfig getRegisterConfig() { return registerConfig; } public CodeCacheProvider getCodeCache() { return codeCache; } /** * Returns the number of {@link VirtualStackSlot}s created by this {@link FrameMapBuilder}. Can * be used as an upper bound for an array indexed by {@link VirtualStackSlot#getId()}. */ public int getNumberOfStackSlots() { return numStackSlots; } public void callsMethod(CallingConvention cc) { calls.add(cc); } public FrameMap buildFrameMap(LIRGenerationResult res) { FrameMappingTool mapper = new SimpleStackSlotAllocator().allocateStackSlots(this); for (CallingConvention cc : calls) { frameMap.callsMethod(cc); } // update LIR try (Scope scope = Debug.scope("StackSlotMappingLIR")) { ValueProcedure updateProc = (value, mode, flags) -> { if (isVirtualStackSlot(value)) { StackSlot stackSlot = mapper.getStackSlot(asVirtualStackSlot(value)); Debug.log("map %s -> %s", value, stackSlot); return stackSlot; } return value; }; for (AbstractBlock<?> block : res.getLIR().getControlFlowGraph().getBlocks()) { try (Indent indent0 = Debug.logAndIndent("block: %s", block)) { for (LIRInstruction inst : res.getLIR().getLIRforBlock(block)) { try (Indent indent1 = Debug.logAndIndent("Inst: %d: %s", inst.id(), inst)) { inst.forEachAlive(updateProc); inst.forEachInput(updateProc); inst.forEachOutput(updateProc); inst.forEachTemp(updateProc); inst.forEachState(updateProc); } } } } } frameMap.finish(); return frameMap; } List<VirtualStackSlot> getStackSlots() { return stackSlots; } }