Mercurial > hg > truffle
changeset 4346:ee5fbfca6612
more work on debug project; removed CiStatistics
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--- a/graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiCompiler.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiCompiler.java Wed Jan 11 15:02:48 2012 +0100 @@ -55,5 +55,5 @@ * on-stack-replacement compilation * @param debugInfoLevel TODO */ - CiResult compileMethod(RiResolvedMethod method, int osrBCI, CiStatistics stats, DebugInfoLevel debugInfoLevel); + CiResult compileMethod(RiResolvedMethod method, int osrBCI, DebugInfoLevel debugInfoLevel); }
--- a/graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiResult.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiResult.java Wed Jan 11 15:02:48 2012 +0100 @@ -30,7 +30,6 @@ public class CiResult { private final CiTargetMethod targetMethod; private final CiBailout bailout; - private final CiStatistics stats; /** * Creates a new compilation result. @@ -38,10 +37,9 @@ * @param bailout the bailout condition that occurred * @param stats statistics about the compilation */ - public CiResult(CiTargetMethod targetMethod, CiBailout bailout, CiStatistics stats) { + public CiResult(CiTargetMethod targetMethod, CiBailout bailout) { this.targetMethod = targetMethod; this.bailout = bailout; - this.stats = stats; } /** @@ -58,14 +56,6 @@ } /** - * Returns the statistics about the compilation that were produced, if any. - * @return the statistics - */ - public CiStatistics statistics() { - return stats; - } - - /** * Returns the bailout condition that occurred for this compilation, if any. * @return the bailout */
--- a/graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiStatistics.java Tue Jan 10 23:00:17 2012 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,66 +0,0 @@ -/* - * Copyright (c) 2009, 2011, 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.max.cri.ci; - -/** - * Contains statistics gathered during the compilation of a method and reported back - * from the compiler as the result of compilation. - */ -public class CiStatistics { - - /** - * The total number of bytes of bytecode parsed during this compilation, including any inlined methods. - */ - public int bytecodeCount; - - /** - * The number of internal graph nodes created during this compilation. - */ - public int nodeCount; - - /** - * The number of basic blocks created during this compilation. - */ - public int blockCount; - - /** - * The number of loops in the compiled method. - */ - public int loopCount; - - /** - * The number of methods inlined. - */ - public int inlineCount; - - /** - * The number of methods folded (i.e. evaluated). - */ - public int foldCount; - - /** - * The number of intrinsics inlined in this compilation. - */ - public int intrinsicCount; - -}
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/GraalCompilation.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/GraalCompilation.java Wed Jan 11 15:02:48 2012 +0100 @@ -54,7 +54,6 @@ public final GraalCompiler compiler; public final RiResolvedMethod method; public final RiRegisterConfig registerConfig; - public final CiStatistics stats; public final FrameState placeholderState; public final StructuredGraph graph; @@ -76,14 +75,13 @@ * @param stats externally supplied statistics object to be used if not {@code null} * @param debugInfoLevel TODO */ - public GraalCompilation(GraalContext context, GraalCompiler compiler, RiResolvedMethod method, StructuredGraph graph, int osrBCI, CiStatistics stats, DebugInfoLevel debugInfoLevel) { + public GraalCompilation(GraalContext context, GraalCompiler compiler, RiResolvedMethod method, StructuredGraph graph, int osrBCI, DebugInfoLevel debugInfoLevel) { if (osrBCI != -1) { throw new CiBailout("No OSR supported"); } this.compiler = compiler; this.graph = graph; this.method = method; - this.stats = stats == null ? new CiStatistics() : stats; this.registerConfig = method == null ? compiler.compilerStubRegisterConfig : compiler.runtime.getRegisterConfig(method); this.placeholderState = debugInfoLevel == DebugInfoLevel.REF_MAPS ? new FrameState(method, 0, 0, 0, false) : null; @@ -260,9 +258,6 @@ IdentifyBlocksPhase schedule = new IdentifyBlocksPhase(true, LIRBlock.FACTORY); schedule.apply(graph, context()); - if (stats != null) { - stats.loopCount = schedule.loopCount(); - } if (context().isObserved()) { context().observable.fireCompilationEvent("After IdentifyBlocksPhase", this, graph, schedule); @@ -281,7 +276,7 @@ context().timers.startScope("Compute Linear Scan Order"); try { - ComputeLinearScanOrder clso = new ComputeLinearScanOrder(blocks.size(), stats.loopCount, startBlock); + ComputeLinearScanOrder clso = new ComputeLinearScanOrder(blocks.size(), schedule.loopCount(), startBlock); List<LIRBlock> linearScanOrder = clso.linearScanOrder(); List<LIRBlock> codeEmittingOrder = clso.codeEmittingOrder(); @@ -290,7 +285,7 @@ b.setLinearScanNumber(z++); } - lir = new LIR(startBlock, linearScanOrder, codeEmittingOrder, valueToBlock); + lir = new LIR(startBlock, linearScanOrder, codeEmittingOrder, valueToBlock, schedule.loopCount()); if (context().isObserved()) { context().observable.fireCompilationEvent("After linear scan order", this, graph, lir);
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/GraalCompiler.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/GraalCompiler.java Wed Jan 11 15:02:48 2012 +0100 @@ -75,26 +75,26 @@ init(); } - public CiTargetMethod compileMethod(RiResolvedMethod method, int osrBCI, CiStatistics stats, CiCompiler.DebugInfoLevel debugInfoLevel) { - return compileMethod(method, osrBCI, stats, debugInfoLevel, PhasePlan.DEFAULT); + public CiTargetMethod compileMethod(RiResolvedMethod method, int osrBCI, CiCompiler.DebugInfoLevel debugInfoLevel) { + return compileMethod(method, osrBCI, debugInfoLevel, PhasePlan.DEFAULT); } - public CiTargetMethod compileMethod(RiResolvedMethod method, int osrBCI, CiStatistics stats, CiCompiler.DebugInfoLevel debugInfoLevel, PhasePlan plan) { - return compileMethod(method, new StructuredGraph(method), osrBCI, stats, debugInfoLevel, plan); + public CiTargetMethod compileMethod(RiResolvedMethod method, int osrBCI, CiCompiler.DebugInfoLevel debugInfoLevel, PhasePlan plan) { + return compileMethod(method, new StructuredGraph(method), osrBCI, debugInfoLevel, plan); } - public CiTargetMethod compileMethod(RiResolvedMethod method, StructuredGraph graph, int osrBCI, CiStatistics stats, CiCompiler.DebugInfoLevel debugInfoLevel, PhasePlan plan) { - try (Scope scope = openScope("CompileMethod", method)) { - CiTargetMethod result = null; + public CiTargetMethod compileMethod(final RiResolvedMethod method, StructuredGraph graph, int osrBCI, CiCompiler.DebugInfoLevel debugInfoLevel, final PhasePlan plan) { + final GraalCompilation compilation = new GraalCompilation(context, GraalCompiler.this, method, graph, osrBCI, debugInfoLevel); + final CiTargetMethod[] result = new CiTargetMethod[1]; + Debug.scope("CompileMethod", new Runnable() { public void run() { TTY.Filter filter = new TTY.Filter(GraalOptions.PrintFilter, method); - GraalCompilation compilation = new GraalCompilation(context, this, method, graph, osrBCI, stats, debugInfoLevel); try { - result = compilation.compile(plan); + result[0] = compilation.compile(plan); } finally { filter.remove(); } - return result; - } + }}, method); + return result[0]; } private void init() {
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/alloc/LinearScan.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/alloc/LinearScan.java Wed Jan 11 15:02:48 2012 +0100 @@ -280,7 +280,7 @@ } int numLoops() { - return compilation.stats.loopCount; + return ir.numLoops(); } boolean isIntervalInLoop(int interval, int loop) {
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/lir/LIR.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/lir/LIR.java Wed Jan 11 15:02:48 2012 +0100 @@ -64,6 +64,7 @@ public SlowPath methodEndMarker; private int numVariables; + private int numLoops; public interface SlowPath { @@ -74,11 +75,12 @@ * Creates a new LIR instance for the specified compilation. * @param compilation the compilation */ - public LIR(LIRBlock startBlock, List<LIRBlock> linearScanOrder, List<LIRBlock> codeEmittingOrder, NodeMap<LIRBlock> valueToBlock) { + public LIR(LIRBlock startBlock, List<LIRBlock> linearScanOrder, List<LIRBlock> codeEmittingOrder, NodeMap<LIRBlock> valueToBlock, int numLoops) { this.codeEmittingOrder = codeEmittingOrder; this.linearScanOrder = linearScanOrder; this.startBlock = startBlock; this.valueToBlock = valueToBlock; + this.numLoops = numLoops; slowPaths = new ArrayList<>(); deoptimizationStubs = new ArrayList<>(); @@ -245,4 +247,8 @@ TTY.println(); } } + + public int numLoops() { + return numLoops; + } }
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/Phase.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/Phase.java Wed Jan 11 15:02:48 2012 +0100 @@ -22,9 +22,12 @@ */ package com.oracle.max.graal.compiler.phases; +import static com.oracle.max.graal.debug.Debug.*; + import com.oracle.max.cri.ci.*; import com.oracle.max.graal.compiler.*; import com.oracle.max.graal.compiler.schedule.*; +import com.oracle.max.graal.debug.*; import com.oracle.max.graal.graph.*; import com.oracle.max.graal.nodes.*; @@ -64,58 +67,61 @@ apply(graph, GraalContext.EMPTY_CONTEXT, plot); } - public final void apply(StructuredGraph graph, GraalContext context, boolean plot) { + public final void apply(final StructuredGraph graph, GraalContext context, boolean plot) { this.currentContext = context; - try { - assert graph != null && (!shouldVerify || graph.verify()); - } catch (GraalInternalError e) { - throw e.addContext("start of phase", getDetailedName()); - } + + Debug.scope(name, new Runnable() { public void run() { Phase.this.run(graph); }}); - int startDeletedNodeCount = graph.getDeletedNodeCount(); - int startNodeCount = graph.getNodeCount(); - if (context != null) { - context.timers.startScope(getName()); - } - try { - try { - run(graph); - } catch (CiBailout bailout) { - throw bailout; - } catch (AssertionError e) { - throw new GraalInternalError(e); - } catch (RuntimeException e) { - throw new GraalInternalError(e); - } finally { - if (context != null) { - context.timers.endScope(); - } - } - } catch (GraalInternalError e) { - throw e.addContext(graph).addContext("phase", getDetailedName()); - } - - if (context != null) { - if (GraalOptions.Meter) { - int deletedNodeCount = graph.getDeletedNodeCount() - startDeletedNodeCount; - int createdNodeCount = graph.getNodeCount() - startNodeCount + deletedNodeCount; - context.metrics.get(getName().concat(".executed")).increment(); - context.metrics.get(getName().concat(".deletedNodes")).increment(deletedNodeCount); - context.metrics.get(getName().concat(".createdNodes")).increment(createdNodeCount); - } - - boolean shouldFireCompilationEvents = context.isObserved() && this.getClass() != IdentifyBlocksPhase.class && (plot || GraalOptions.PlotVerbose); - if (shouldFireCompilationEvents && context.timers.currentLevel() < GraalOptions.PlotLevel) { - context.observable.fireCompilationEvent("After " + getName(), graph); - } - } - - try { - assert !shouldVerify || graph.verify(); - } catch (GraalInternalError e) { - throw e.addContext("end of phase", getDetailedName()); - } +// try { +// assert graph != null && (!shouldVerify || graph.verify()); +// } catch (GraalInternalError e) { +// throw e.addContext("start of phase", getDetailedName()); +// } +// +// int startDeletedNodeCount = graph.getDeletedNodeCount(); +// int startNodeCount = graph.getNodeCount(); +// if (context != null) { +// context.timers.startScope(getName()); +// } +// try { +// try { +// run(graph); +// } catch (CiBailout bailout) { +// throw bailout; +// } catch (AssertionError e) { +// throw new GraalInternalError(e); +// } catch (RuntimeException e) { +// throw new GraalInternalError(e); +// } finally { +// if (context != null) { +// context.timers.endScope(); +// } +// } +// } catch (GraalInternalError e) { +// throw e.addContext(graph).addContext("phase", getDetailedName()); +// } +// +// if (context != null) { +// if (GraalOptions.Meter) { +// int deletedNodeCount = graph.getDeletedNodeCount() - startDeletedNodeCount; +// int createdNodeCount = graph.getNodeCount() - startNodeCount + deletedNodeCount; +// context.metrics.get(getName().concat(".executed")).increment(); +// context.metrics.get(getName().concat(".deletedNodes")).increment(deletedNodeCount); +// context.metrics.get(getName().concat(".createdNodes")).increment(createdNodeCount); +// } +// +// boolean shouldFireCompilationEvents = context.isObserved() && this.getClass() != IdentifyBlocksPhase.class && (plot || GraalOptions.PlotVerbose); +// if (shouldFireCompilationEvents && context.timers.currentLevel() < GraalOptions.PlotLevel) { +// context.observable.fireCompilationEvent("After " + getName(), graph); +// } +// } +// +// try { +// assert !shouldVerify || graph.verify(); +// } catch (GraalInternalError e) { +// throw e.addContext("end of phase", getDetailedName()); +// } } public final String getName() {
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/target/amd64/AMD64Backend.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/target/amd64/AMD64Backend.java Wed Jan 11 15:02:48 2012 +0100 @@ -71,7 +71,7 @@ @Override public CompilerStub emit(GraalContext context, Id stub) { - final GraalCompilation comp = new GraalCompilation(context, compiler, null, new StructuredGraph(), -1, null, DebugInfoLevel.FULL); + final GraalCompilation comp = new GraalCompilation(context, compiler, null, new StructuredGraph(), -1, DebugInfoLevel.FULL); try { return new AMD64CompilerStubEmitter(comp, stub.arguments, stub.resultKind).emit(stub); } finally { @@ -81,7 +81,7 @@ @Override public CompilerStub emit(GraalContext context, CiRuntimeCall rtCall) { - final GraalCompilation comp = new GraalCompilation(context, compiler, null, new StructuredGraph(), -1, null, DebugInfoLevel.FULL); + final GraalCompilation comp = new GraalCompilation(context, compiler, null, new StructuredGraph(), -1, DebugInfoLevel.FULL); try { return new AMD64CompilerStubEmitter(comp, rtCall.arguments, rtCall.resultKind).emit(rtCall); } finally { @@ -101,7 +101,7 @@ @Override public CompilerStub emit(GraalContext context, XirTemplate t) { - final GraalCompilation comp = new GraalCompilation(context, compiler, null, new StructuredGraph(), -1, null, DebugInfoLevel.FULL); + final GraalCompilation comp = new GraalCompilation(context, compiler, null, new StructuredGraph(), -1, DebugInfoLevel.FULL); try { return new AMD64CompilerStubEmitter(comp, getArgumentKinds(t), t.resultOperand.kind).emit(t); } finally {
--- a/graal/com.oracle.max.graal.debug/src/com/oracle/max/graal/debug/Debug.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.debug/src/com/oracle/max/graal/debug/Debug.java Wed Jan 11 15:02:48 2012 +0100 @@ -22,8 +22,6 @@ */ package com.oracle.max.graal.debug; -import java.io.*; - public class Debug { public static boolean ENABLED = false; @@ -34,16 +32,17 @@ } } - public static Scope openScope(String name, Object... context) { + public static void scope(String name, Runnable runnable, Object... context) { if (ENABLED) { - return new Scope(name, context); + DebugContext.getInstance().scope(name, runnable, context); } else { - return VOID_SCOPE; + runnable.run(); } } private static final Scope VOID_SCOPE = new Scope(null); + public static final class Scope implements AutoCloseable { private String name; private Object[] context;
--- a/graal/com.oracle.max.graal.debug/src/com/oracle/max/graal/debug/DebugContext.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.debug/src/com/oracle/max/graal/debug/DebugContext.java Wed Jan 11 15:02:48 2012 +0100 @@ -37,7 +37,7 @@ void log(String msg, Object... args) { } - void scope(Runnable runnable, String name, Object... context) { + void scope(String name, Runnable runnable, Object... context) { runnable.run(); } }
--- a/graal/com.oracle.max.graal.hotspot/src/com/oracle/max/graal/hotspot/bridge/VMToCompilerImpl.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.hotspot/src/com/oracle/max/graal/hotspot/bridge/VMToCompilerImpl.java Wed Jan 11 15:02:48 2012 +0100 @@ -169,7 +169,7 @@ public void run() { try { PhasePlan plan = new PhasePlan(); - GraphBuilderPhase graphBuilderPhase = new GraphBuilderPhase(compiler.getRuntime(), null); + GraphBuilderPhase graphBuilderPhase = new GraphBuilderPhase(compiler.getRuntime()); plan.addPhase(PhasePosition.AFTER_PARSING, graphBuilderPhase); long startTime = 0; int index = compiledMethodCount++; @@ -186,7 +186,7 @@ CiTargetMethod result = null; TTY.Filter filter = new TTY.Filter(GraalOptions.PrintFilter, method); try { - result = compiler.getCompiler().compileMethod(method, -1, null, DebugInfoLevel.FULL, plan); + result = compiler.getCompiler().compileMethod(method, -1, DebugInfoLevel.FULL, plan); } finally { filter.remove(); if (printCompilation) {
--- a/graal/com.oracle.max.graal.java/src/com/oracle/max/graal/java/GraphBuilderPhase.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.java/src/com/oracle/max/graal/java/GraphBuilderPhase.java Wed Jan 11 15:02:48 2012 +0100 @@ -67,7 +67,6 @@ private StructuredGraph currentGraph; - private final CiStatistics stats; private final RiRuntime runtime; private RiConstantPool constantPool; private RiExceptionHandler[] exceptionHandlers; @@ -104,17 +103,13 @@ private final GraphBuilderConfiguration config; public GraphBuilderPhase(RiRuntime runtime) { - this(runtime, null); + this(runtime, GraphBuilderConfiguration.getDefault()); } - public GraphBuilderPhase(RiRuntime runtime, CiStatistics stats) { - this(runtime, stats, GraphBuilderConfiguration.getDefault()); - } - - public GraphBuilderPhase(RiRuntime runtime, CiStatistics stats, GraphBuilderConfiguration config) { + public GraphBuilderPhase(RiRuntime runtime, GraphBuilderConfiguration config) { + assert config != null && runtime != null; this.config = config; this.runtime = runtime; - this.stats = stats; this.log = GraalOptions.TraceBytecodeParserLevel > 0 ? new LogStream(TTY.out()) : null; } @@ -143,9 +138,6 @@ private BlockMap createBlockMap() { BlockMap map = new BlockMap(method, config.useBranchPrediction()); map.build(); - if (stats != null) { - stats.bytecodeCount += method.code().length; - } if (currentContext.isObserved()) { String label = CiUtil.format("BlockListBuilder %f %R %H.%n(%P)", method); @@ -165,9 +157,6 @@ this.canTrapBitSet = blockMap.canTrap; exceptionHandlers = blockMap.exceptionHandlers(); - if (stats != null) { - stats.blockCount += blockMap.blocks.size(); - } nextBlockNumber = blockMap.blocks.size(); lastInstr = currentGraph.start(); @@ -208,9 +197,6 @@ } private int nextBlockNumber() { - if (stats != null) { - stats.blockCount++; - } return nextBlockNumber++; }
--- a/graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/Snippets.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/Snippets.java Wed Jan 11 15:02:48 2012 +0100 @@ -129,7 +129,7 @@ private static StructuredGraph buildSnippetGraph(RiResolvedMethod snippetRiMethod, GraalRuntime runtime, CiTarget target, GraalContext context, BoxingMethodPool pool, PhasePlan plan, IdealGraphPrinterObserver observer) { GraphBuilderConfiguration config = GraphBuilderConfiguration.getDeoptFreeDefault(); - GraphBuilderPhase graphBuilder = new GraphBuilderPhase(runtime, null, config); + GraphBuilderPhase graphBuilder = new GraphBuilderPhase(runtime, config); StructuredGraph graph = new StructuredGraph(snippetRiMethod); graphBuilder.apply(graph, context);
--- a/graal/com.oracle.max.graal.tests/src/com/oracle/max/graal/compiler/tests/GraphTest.java Tue Jan 10 23:00:17 2012 +0100 +++ b/graal/com.oracle.max.graal.tests/src/com/oracle/max/graal/compiler/tests/GraphTest.java Wed Jan 11 15:02:48 2012 +0100 @@ -103,13 +103,13 @@ protected StructuredGraph parse(Method m) { RiResolvedMethod riMethod = runtime.getRiMethod(m); StructuredGraph graph = new StructuredGraph(riMethod); - new GraphBuilderPhase(runtime, null, GraphBuilderConfiguration.getDeoptFreeDefault()).apply(graph); + new GraphBuilderPhase(runtime, GraphBuilderConfiguration.getDeoptFreeDefault()).apply(graph); return graph; } protected PhasePlan getDefaultPhasePlan() { PhasePlan plan = new PhasePlan(); - plan.addPhase(PhasePosition.AFTER_PARSING, new GraphBuilderPhase(runtime, null, GraphBuilderConfiguration.getDeoptFreeDefault())); + plan.addPhase(PhasePosition.AFTER_PARSING, new GraphBuilderPhase(runtime, GraphBuilderConfiguration.getDeoptFreeDefault())); return plan; }