Mercurial > hg > truffle
changeset 14066:56726a90dc71
First draft of baseline compiler.
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Wed, 05 Mar 2014 13:56:04 +0100 |
| parents | 5dec26f3d4a4 |
| children | 655a4fd5038b |
| files | graal/com.oracle.graal.baseline/src/com/oracle/graal/baseline/BaslineCompiler.java graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/GraalCompilerTest.java graal/com.oracle.graal.java/src/com/oracle/graal/java/BciBlockMapping.java graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java graal/com.oracle.graal.java/src/com/oracle/graal/java/LIRBuilderPhase.java graal/com.oracle.graal.phases/src/com/oracle/graal/phases/GraalOptions.java mx/projects |
| diffstat | 7 files changed, 740 insertions(+), 2182 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.baseline/src/com/oracle/graal/baseline/BaslineCompiler.java Wed Mar 05 13:56:04 2014 +0100 @@ -0,0 +1,710 @@ +/* + * Copyright (c) 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.baseline; + +import static com.oracle.graal.api.code.TypeCheckHints.*; +import static com.oracle.graal.api.meta.DeoptimizationAction.*; +import static com.oracle.graal.api.meta.DeoptimizationReason.*; +import static com.oracle.graal.bytecode.Bytecodes.*; +import static com.oracle.graal.phases.GraalOptions.*; +import static java.lang.reflect.Modifier.*; + +import java.lang.reflect.*; +import java.util.*; + +import com.oracle.graal.api.code.*; +import com.oracle.graal.api.meta.*; +import com.oracle.graal.api.meta.ProfilingInfo.TriState; +import com.oracle.graal.api.meta.ResolvedJavaType.Representation; +import com.oracle.graal.bytecode.*; +import com.oracle.graal.debug.*; +import com.oracle.graal.graph.*; +import com.oracle.graal.java.*; +import com.oracle.graal.java.BciBlockMapping.Block; +import com.oracle.graal.java.BciBlockMapping.ExceptionDispatchBlock; +import com.oracle.graal.java.GraphBuilderPhase.*; +import com.oracle.graal.lir.*; +import com.oracle.graal.nodes.*; +import com.oracle.graal.nodes.calc.*; +import com.oracle.graal.nodes.calc.FloatConvertNode.FloatConvert; +import com.oracle.graal.nodes.extended.*; +import com.oracle.graal.nodes.java.*; +import com.oracle.graal.nodes.java.MethodCallTargetNode.InvokeKind; +import com.oracle.graal.nodes.type.*; +import com.oracle.graal.nodes.util.*; +import com.oracle.graal.phases.*; +import com.oracle.graal.phases.tiers.*; + +/** + * The {@code GraphBuilder} class parses the bytecode of a method and builds the IR graph. + */ +@SuppressWarnings("all") +public class BaslineCompiler { + + public BaslineCompiler(GraphBuilderConfiguration graphBuilderConfig, MetaAccessProvider metaAccess) { + this.graphBuilderConfig = graphBuilderConfig; + this.metaAccess = metaAccess; + } + + private final MetaAccessProvider metaAccess; + private ConstantPool constantPool; + private ResolvedJavaMethod method; + private int entryBCI; + private ProfilingInfo profilingInfo; + private BytecodeStream stream; // the bytecode stream + + private Block currentBlock; + + private ValueNode methodSynchronizedObject; + private ExceptionDispatchBlock unwindBlock; + + private final GraphBuilderConfiguration graphBuilderConfig; + private Block[] loopHeaders; + + /** + * Meters the number of actual bytecodes parsed. + */ + public static final DebugMetric BytecodesParsed = Debug.metric("BytecodesParsed"); + + protected ResolvedJavaMethod getMethod() { + return method; + } + + public LIR generate(ResolvedJavaMethod method, int entryBCI) { + this.method = method; + this.entryBCI = entryBCI; + profilingInfo = method.getProfilingInfo(); + assert method.getCode() != null : "method must contain bytecodes: " + method; + this.stream = new BytecodeStream(method.getCode()); + this.constantPool = method.getConstantPool(); + unwindBlock = null; + methodSynchronizedObject = null; + TTY.Filter filter = new TTY.Filter(PrintFilter.getValue(), method); + try { + build(); + } finally { + filter.remove(); + } + return null; + } + + protected void build() { + if (PrintProfilingInformation.getValue()) { + TTY.println("Profiling info for " + MetaUtil.format("%H.%n(%p)", method)); + TTY.println(MetaUtil.indent(MetaUtil.profileToString(profilingInfo, method, CodeUtil.NEW_LINE), " ")); + } + + Indent indent = Debug.logAndIndent("build graph for %s", method); + + // compute the block map, setup exception handlers and get the entrypoint(s) + BciBlockMapping blockMap = BciBlockMapping.create(method); + loopHeaders = blockMap.loopHeaders; + + if (isSynchronized(method.getModifiers())) { + throw GraalInternalError.unimplemented("Handle synchronized methods"); + } + + // TODO: clear non live locals + + currentBlock = blockMap.startBlock; + if (blockMap.startBlock.isLoopHeader) { + throw GraalInternalError.unimplemented("Handle start block as loop header"); + } + + for (Block block : blockMap.blocks) { + processBlock(block); + } + + indent.outdent(); + } + + public BytecodeStream stream() { + return stream; + } + + public int bci() { + return stream.currentBCI(); + } + + private void loadLocal(int index, Kind kind) { + throw GraalInternalError.unimplemented(); + } + + private void storeLocal(Kind kind, int index) { + throw GraalInternalError.unimplemented(); + } + + /** + * @param type the unresolved type of the constant + */ + protected void handleUnresolvedLoadConstant(JavaType type) { + throw GraalInternalError.unimplemented(); + } + + /** + * @param type the unresolved type of the type check + * @param object the object value whose type is being checked against {@code type} + */ + protected void handleUnresolvedCheckCast(JavaType type, ValueNode object) { + throw GraalInternalError.unimplemented(); + } + + /** + * @param type the unresolved type of the type check + * @param object the object value whose type is being checked against {@code type} + */ + protected void handleUnresolvedInstanceOf(JavaType type, ValueNode object) { + throw GraalInternalError.unimplemented(); + } + + /** + * @param type the type being instantiated + */ + protected void handleUnresolvedNewInstance(JavaType type) { + throw GraalInternalError.unimplemented(); + } + + /** + * @param type the type of the array being instantiated + * @param length the length of the array + */ + protected void handleUnresolvedNewObjectArray(JavaType type, ValueNode length) { + throw GraalInternalError.unimplemented(); + } + + /** + * @param type the type being instantiated + * @param dims the dimensions for the multi-array + */ + protected void handleUnresolvedNewMultiArray(JavaType type, ValueNode[] dims) { + throw GraalInternalError.unimplemented(); + } + + /** + * @param field the unresolved field + * @param receiver the object containing the field or {@code null} if {@code field} is static + */ + protected void handleUnresolvedLoadField(JavaField field, ValueNode receiver) { + throw GraalInternalError.unimplemented(); + } + + /** + * @param field the unresolved field + * @param value the value being stored to the field + * @param receiver the object containing the field or {@code null} if {@code field} is static + */ + protected void handleUnresolvedStoreField(JavaField field, ValueNode value, ValueNode receiver) { + throw GraalInternalError.unimplemented(); + } + + /** + * @param representation + * @param type + */ + protected void handleUnresolvedExceptionType(Representation representation, JavaType type) { + throw GraalInternalError.unimplemented(); + } + + protected void handleUnresolvedInvoke(JavaMethod javaMethod, InvokeKind invokeKind) { + throw GraalInternalError.unimplemented(); + } + + private DispatchBeginNode handleException(ValueNode exceptionObject, int bci) { + throw GraalInternalError.unimplemented(); + } + + private void genLoadConstant(int cpi, int opcode) { + throw GraalInternalError.unimplemented(); + } + + private void genLoadIndexed(Kind kind) { + throw GraalInternalError.unimplemented(); + } + + private void genStoreIndexed(Kind kind) { + throw GraalInternalError.unimplemented(); + } + + private void stackOp(int opcode) { + throw GraalInternalError.unimplemented(); + } + + private void genArithmeticOp(Kind result, int opcode) { + throw GraalInternalError.unimplemented(); + } + + private void genIntegerDivOp(Kind result, int opcode) { + throw GraalInternalError.unimplemented(); + } + + private void genNegateOp(Kind kind) { + throw GraalInternalError.unimplemented(); + } + + private void genShiftOp(Kind kind, int opcode) { + throw GraalInternalError.unimplemented(); + } + + private void genLogicOp(Kind kind, int opcode) { + throw GraalInternalError.unimplemented(); + } + + private void genCompareOp(Kind kind, boolean isUnorderedLess) { + throw GraalInternalError.unimplemented(); + } + + private void genFloatConvert(FloatConvert op, Kind from, Kind to) { + throw GraalInternalError.unimplemented(); + } + + private void genSignExtend(Kind from, Kind to) { + throw GraalInternalError.unimplemented(); + } + + private void genZeroExtend(Kind from, Kind to) { + throw GraalInternalError.unimplemented(); + } + + private void genNarrow(Kind from, Kind to) { + throw GraalInternalError.unimplemented(); + } + + private void genIncrement() { + throw GraalInternalError.unimplemented(); + } + + private void genGoto() { + throw GraalInternalError.unimplemented(); + } + + private void genIfZero(Condition cond) { + throw GraalInternalError.unimplemented(); + } + + private void genIfNull(Condition cond) { + throw GraalInternalError.unimplemented(); + } + + private void genIfSame(Kind kind, Condition cond) { + throw GraalInternalError.unimplemented(); + } + + private void genThrow() { + throw GraalInternalError.unimplemented(); + } + + private JavaType lookupType(int cpi, int bytecode) { + eagerResolvingForSnippets(cpi, bytecode); + JavaType result = constantPool.lookupType(cpi, bytecode); + assert !graphBuilderConfig.unresolvedIsError() || result instanceof ResolvedJavaType; + return result; + } + + private JavaMethod lookupMethod(int cpi, int opcode) { + eagerResolvingForSnippets(cpi, opcode); + JavaMethod result = constantPool.lookupMethod(cpi, opcode); + /* + * assert !graphBuilderConfig.unresolvedIsError() || ((result instanceof ResolvedJavaMethod) + * && ((ResolvedJavaMethod) result).getDeclaringClass().isInitialized()) : result; + */ + return result; + } + + private JavaField lookupField(int cpi, int opcode) { + eagerResolvingForSnippets(cpi, opcode); + JavaField result = constantPool.lookupField(cpi, opcode); + assert !graphBuilderConfig.unresolvedIsError() || (result instanceof ResolvedJavaField && ((ResolvedJavaField) result).getDeclaringClass().isInitialized()) : result; + return result; + } + + private Object lookupConstant(int cpi, int opcode) { + eagerResolvingForSnippets(cpi, opcode); + Object result = constantPool.lookupConstant(cpi); + assert !graphBuilderConfig.eagerResolving() || !(result instanceof JavaType) || (result instanceof ResolvedJavaType); + return result; + } + + private void eagerResolvingForSnippets(int cpi, int bytecode) { + if (graphBuilderConfig.eagerResolving()) { + constantPool.loadReferencedType(cpi, bytecode); + } + } + + private JavaTypeProfile getProfileForTypeCheck(ResolvedJavaType type) { + if (!canHaveSubtype(type)) { + return null; + } else { + return profilingInfo.getTypeProfile(bci()); + } + } + + private void genCheckCast() { + throw GraalInternalError.unimplemented(); + } + + private void genInstanceOf() { + throw GraalInternalError.unimplemented(); + } + + void genNewInstance(int cpi) { + throw GraalInternalError.unimplemented(); + } + + protected NewInstanceNode createNewInstance(ResolvedJavaType type, boolean fillContents) { + return new NewInstanceNode(type, fillContents); + } + + private void genNewPrimitiveArray(int typeCode) { + throw GraalInternalError.unimplemented(); + } + + private void genNewObjectArray(int cpi) { + throw GraalInternalError.unimplemented(); + } + + private void genNewMultiArray(int cpi) { + throw GraalInternalError.unimplemented(); + } + + private void genGetField(JavaField field) { + throw GraalInternalError.unimplemented(); + } + + private void genPutField(JavaField field) { + throw GraalInternalError.unimplemented(); + } + + private void genGetStatic(JavaField field) { + throw GraalInternalError.unimplemented(); + } + + private void genPutStatic(JavaField field) { + throw GraalInternalError.unimplemented(); + } + + private void genInvokeStatic(JavaMethod target) { + throw GraalInternalError.unimplemented(); + } + + private void genInvokeInterface(JavaMethod target) { + throw GraalInternalError.unimplemented(); + } + + private void genInvokeDynamic(JavaMethod target) { + throw GraalInternalError.unimplemented(); + } + + private void genInvokeVirtual(JavaMethod target) { + throw GraalInternalError.unimplemented(); + } + + private void genInvokeSpecial(JavaMethod target) { + throw GraalInternalError.unimplemented(); + } + + private void genJsr(int dest) { + throw GraalInternalError.unimplemented(); + } + + private void genRet(int localIndex) { + throw GraalInternalError.unimplemented(); + } + + private void genSwitch(BytecodeSwitch bs) { + throw GraalInternalError.unimplemented(); + } + + private void processBlock(Block block) { + Indent indent = Debug.logAndIndent("Parsing block %s firstInstruction: %s loopHeader: %b", block, block.firstInstruction, block.isLoopHeader); + currentBlock = block; + iterateBytecodesForBlock(block); + indent.outdent(); + } + + private void createExceptionDispatch(ExceptionDispatchBlock block) { + throw GraalInternalError.unimplemented(); + } + + private void iterateBytecodesForBlock(Block block) { + + int endBCI = stream.endBCI(); + + stream.setBCI(block.startBci); + int bci = block.startBci; + BytecodesParsed.add(block.endBci - bci); + + while (bci < endBCI) { + + // read the opcode + int opcode = stream.currentBC(); + traceInstruction(bci, opcode, bci == block.startBci); + if (bci == entryBCI) { + throw GraalInternalError.unimplemented(); + } + processBytecode(bci, opcode); + + stream.next(); + bci = stream.currentBCI(); + } + } + + private void processBytecode(int bci, int opcode) { + int cpi; + + // Checkstyle: stop + // @formatter:off + switch (opcode) { + case NOP : /* nothing to do */ break; +// case ACONST_NULL : frameState.apush(appendConstant(Constant.NULL_OBJECT)); break; +// case ICONST_M1 : frameState.ipush(appendConstant(Constant.INT_MINUS_1)); break; +// case ICONST_0 : frameState.ipush(appendConstant(Constant.INT_0)); break; +// case ICONST_1 : frameState.ipush(appendConstant(Constant.INT_1)); break; +// case ICONST_2 : frameState.ipush(appendConstant(Constant.INT_2)); break; +// case ICONST_3 : frameState.ipush(appendConstant(Constant.INT_3)); break; +// case ICONST_4 : frameState.ipush(appendConstant(Constant.INT_4)); break; +// case ICONST_5 : frameState.ipush(appendConstant(Constant.INT_5)); break; +// case LCONST_0 : frameState.lpush(appendConstant(Constant.LONG_0)); break; +// case LCONST_1 : frameState.lpush(appendConstant(Constant.LONG_1)); break; +// case FCONST_0 : frameState.fpush(appendConstant(Constant.FLOAT_0)); break; +// case FCONST_1 : frameState.fpush(appendConstant(Constant.FLOAT_1)); break; +// case FCONST_2 : frameState.fpush(appendConstant(Constant.FLOAT_2)); break; +// case DCONST_0 : frameState.dpush(appendConstant(Constant.DOUBLE_0)); break; +// case DCONST_1 : frameState.dpush(appendConstant(Constant.DOUBLE_1)); break; +// case BIPUSH : frameState.ipush(appendConstant(Constant.forInt(stream.readByte()))); break; +// case SIPUSH : frameState.ipush(appendConstant(Constant.forInt(stream.readShort()))); break; + case LDC : // fall through + case LDC_W : // fall through + case LDC2_W : genLoadConstant(stream.readCPI(), opcode); break; + case ILOAD : loadLocal(stream.readLocalIndex(), Kind.Int); break; + case LLOAD : loadLocal(stream.readLocalIndex(), Kind.Long); break; + case FLOAD : loadLocal(stream.readLocalIndex(), Kind.Float); break; + case DLOAD : loadLocal(stream.readLocalIndex(), Kind.Double); break; + case ALOAD : loadLocal(stream.readLocalIndex(), Kind.Object); break; + case ILOAD_0 : // fall through + case ILOAD_1 : // fall through + case ILOAD_2 : // fall through + case ILOAD_3 : loadLocal(opcode - ILOAD_0, Kind.Int); break; + case LLOAD_0 : // fall through + case LLOAD_1 : // fall through + case LLOAD_2 : // fall through + case LLOAD_3 : loadLocal(opcode - LLOAD_0, Kind.Long); break; + case FLOAD_0 : // fall through + case FLOAD_1 : // fall through + case FLOAD_2 : // fall through + case FLOAD_3 : loadLocal(opcode - FLOAD_0, Kind.Float); break; + case DLOAD_0 : // fall through + case DLOAD_1 : // fall through + case DLOAD_2 : // fall through + case DLOAD_3 : loadLocal(opcode - DLOAD_0, Kind.Double); break; + case ALOAD_0 : // fall through + case ALOAD_1 : // fall through + case ALOAD_2 : // fall through + case ALOAD_3 : loadLocal(opcode - ALOAD_0, Kind.Object); break; + case IALOAD : genLoadIndexed(Kind.Int ); break; + case LALOAD : genLoadIndexed(Kind.Long ); break; + case FALOAD : genLoadIndexed(Kind.Float ); break; + case DALOAD : genLoadIndexed(Kind.Double); break; + case AALOAD : genLoadIndexed(Kind.Object); break; + case BALOAD : genLoadIndexed(Kind.Byte ); break; + case CALOAD : genLoadIndexed(Kind.Char ); break; + case SALOAD : genLoadIndexed(Kind.Short ); break; + case ISTORE : storeLocal(Kind.Int, stream.readLocalIndex()); break; + case LSTORE : storeLocal(Kind.Long, stream.readLocalIndex()); break; + case FSTORE : storeLocal(Kind.Float, stream.readLocalIndex()); break; + case DSTORE : storeLocal(Kind.Double, stream.readLocalIndex()); break; + case ASTORE : storeLocal(Kind.Object, stream.readLocalIndex()); break; + case ISTORE_0 : // fall through + case ISTORE_1 : // fall through + case ISTORE_2 : // fall through + case ISTORE_3 : storeLocal(Kind.Int, opcode - ISTORE_0); break; + case LSTORE_0 : // fall through + case LSTORE_1 : // fall through + case LSTORE_2 : // fall through + case LSTORE_3 : storeLocal(Kind.Long, opcode - LSTORE_0); break; + case FSTORE_0 : // fall through + case FSTORE_1 : // fall through + case FSTORE_2 : // fall through + case FSTORE_3 : storeLocal(Kind.Float, opcode - FSTORE_0); break; + case DSTORE_0 : // fall through + case DSTORE_1 : // fall through + case DSTORE_2 : // fall through + case DSTORE_3 : storeLocal(Kind.Double, opcode - DSTORE_0); break; + case ASTORE_0 : // fall through + case ASTORE_1 : // fall through + case ASTORE_2 : // fall through + case ASTORE_3 : storeLocal(Kind.Object, opcode - ASTORE_0); break; + case IASTORE : genStoreIndexed(Kind.Int ); break; + case LASTORE : genStoreIndexed(Kind.Long ); break; + case FASTORE : genStoreIndexed(Kind.Float ); break; + case DASTORE : genStoreIndexed(Kind.Double); break; + case AASTORE : genStoreIndexed(Kind.Object); break; + case BASTORE : genStoreIndexed(Kind.Byte ); break; + case CASTORE : genStoreIndexed(Kind.Char ); break; + case SASTORE : genStoreIndexed(Kind.Short ); break; + case POP : // fall through + case POP2 : // fall through + case DUP : // fall through + case DUP_X1 : // fall through + case DUP_X2 : // fall through + case DUP2 : // fall through + case DUP2_X1 : // fall through + case DUP2_X2 : // fall through + case SWAP : stackOp(opcode); break; + case IADD : // fall through + case ISUB : // fall through + case IMUL : genArithmeticOp(Kind.Int, opcode); break; + case IDIV : // fall through + case IREM : genIntegerDivOp(Kind.Int, opcode); break; + case LADD : // fall through + case LSUB : // fall through + case LMUL : genArithmeticOp(Kind.Long, opcode); break; + case LDIV : // fall through + case LREM : genIntegerDivOp(Kind.Long, opcode); break; + case FADD : // fall through + case FSUB : // fall through + case FMUL : // fall through + case FDIV : // fall through + case FREM : genArithmeticOp(Kind.Float, opcode); break; + case DADD : // fall through + case DSUB : // fall through + case DMUL : // fall through + case DDIV : // fall through + case DREM : genArithmeticOp(Kind.Double, opcode); break; + case INEG : genNegateOp(Kind.Int); break; + case LNEG : genNegateOp(Kind.Long); break; + case FNEG : genNegateOp(Kind.Float); break; + case DNEG : genNegateOp(Kind.Double); break; + case ISHL : // fall through + case ISHR : // fall through + case IUSHR : genShiftOp(Kind.Int, opcode); break; + case IAND : // fall through + case IOR : // fall through + case IXOR : genLogicOp(Kind.Int, opcode); break; + case LSHL : // fall through + case LSHR : // fall through + case LUSHR : genShiftOp(Kind.Long, opcode); break; + case LAND : // fall through + case LOR : // fall through + case LXOR : genLogicOp(Kind.Long, opcode); break; + case IINC : genIncrement(); break; + case I2F : genFloatConvert(FloatConvert.I2F, Kind.Int, Kind.Float); break; + case I2D : genFloatConvert(FloatConvert.I2D, Kind.Int, Kind.Double); break; + case L2F : genFloatConvert(FloatConvert.L2F, Kind.Long, Kind.Float); break; + case L2D : genFloatConvert(FloatConvert.L2D, Kind.Long, Kind.Double); break; + case F2I : genFloatConvert(FloatConvert.F2I, Kind.Float, Kind.Int); break; + case F2L : genFloatConvert(FloatConvert.F2L, Kind.Float, Kind.Long); break; + case F2D : genFloatConvert(FloatConvert.F2D, Kind.Float, Kind.Double); break; + case D2I : genFloatConvert(FloatConvert.D2I, Kind.Double, Kind.Int); break; + case D2L : genFloatConvert(FloatConvert.D2L, Kind.Double, Kind.Long); break; + case D2F : genFloatConvert(FloatConvert.D2F, Kind.Double, Kind.Float); break; + case L2I : genNarrow(Kind.Long, Kind.Int); break; + case I2L : genSignExtend(Kind.Int, Kind.Long); break; + case I2B : genSignExtend(Kind.Byte, Kind.Int); break; + case I2S : genSignExtend(Kind.Short, Kind.Int); break; + case I2C : genZeroExtend(Kind.Char, Kind.Int); break; + case LCMP : genCompareOp(Kind.Long, false); break; + case FCMPL : genCompareOp(Kind.Float, true); break; + case FCMPG : genCompareOp(Kind.Float, false); break; + case DCMPL : genCompareOp(Kind.Double, true); break; + case DCMPG : genCompareOp(Kind.Double, false); break; + case IFEQ : genIfZero(Condition.EQ); break; + case IFNE : genIfZero(Condition.NE); break; + case IFLT : genIfZero(Condition.LT); break; + case IFGE : genIfZero(Condition.GE); break; + case IFGT : genIfZero(Condition.GT); break; + case IFLE : genIfZero(Condition.LE); break; + case IF_ICMPEQ : genIfSame(Kind.Int, Condition.EQ); break; + case IF_ICMPNE : genIfSame(Kind.Int, Condition.NE); break; + case IF_ICMPLT : genIfSame(Kind.Int, Condition.LT); break; + case IF_ICMPGE : genIfSame(Kind.Int, Condition.GE); break; + case IF_ICMPGT : genIfSame(Kind.Int, Condition.GT); break; + case IF_ICMPLE : genIfSame(Kind.Int, Condition.LE); break; + case IF_ACMPEQ : genIfSame(Kind.Object, Condition.EQ); break; + case IF_ACMPNE : genIfSame(Kind.Object, Condition.NE); break; + case GOTO : genGoto(); break; + case JSR : genJsr(stream.readBranchDest()); break; + case RET : genRet(stream.readLocalIndex()); break; + case TABLESWITCH : genSwitch(new BytecodeTableSwitch(stream(), bci())); break; + case LOOKUPSWITCH : genSwitch(new BytecodeLookupSwitch(stream(), bci())); break; +// case IRETURN : genReturn(frameState.ipop()); break; +// case LRETURN : genReturn(frameState.lpop()); break; +// case FRETURN : genReturn(frameState.fpop()); break; +// case DRETURN : genReturn(frameState.dpop()); break; +// case ARETURN : genReturn(frameState.apop()); break; +// case RETURN : genReturn(null); break; + case GETSTATIC : cpi = stream.readCPI(); genGetStatic(lookupField(cpi, opcode)); break; + case PUTSTATIC : cpi = stream.readCPI(); genPutStatic(lookupField(cpi, opcode)); break; + case GETFIELD : cpi = stream.readCPI(); genGetField(lookupField(cpi, opcode)); break; + case PUTFIELD : cpi = stream.readCPI(); genPutField(lookupField(cpi, opcode)); break; + case INVOKEVIRTUAL : cpi = stream.readCPI(); genInvokeVirtual(lookupMethod(cpi, opcode)); break; + case INVOKESPECIAL : cpi = stream.readCPI(); genInvokeSpecial(lookupMethod(cpi, opcode)); break; + case INVOKESTATIC : cpi = stream.readCPI(); genInvokeStatic(lookupMethod(cpi, opcode)); break; + case INVOKEINTERFACE: cpi = stream.readCPI(); genInvokeInterface(lookupMethod(cpi, opcode)); break; + case INVOKEDYNAMIC : cpi = stream.readCPI4(); genInvokeDynamic(lookupMethod(cpi, opcode)); break; + case NEW : genNewInstance(stream.readCPI()); break; + case NEWARRAY : genNewPrimitiveArray(stream.readLocalIndex()); break; + case ANEWARRAY : genNewObjectArray(stream.readCPI()); break; + case ARRAYLENGTH : genArrayLength(); break; + case ATHROW : genThrow(); break; + case CHECKCAST : genCheckCast(); break; + case INSTANCEOF : genInstanceOf(); break; +// case MONITORENTER : genMonitorEnter(frameState.apop()); break; +// case MONITOREXIT : genMonitorExit(frameState.apop(), null); break; + case MULTIANEWARRAY : genNewMultiArray(stream.readCPI()); break; + case IFNULL : genIfNull(Condition.EQ); break; + case IFNONNULL : genIfNull(Condition.NE); break; + case GOTO_W : genGoto(); break; + case JSR_W : genJsr(stream.readBranchDest()); break; + case BREAKPOINT: + throw new BailoutException("concurrent setting of breakpoint"); + default: + throw new BailoutException("Unsupported opcode " + opcode + " (" + nameOf(opcode) + ") [bci=" + bci + "]"); + } + // @formatter:on + // Checkstyle: resume + } + + private void traceInstruction(int bci, int opcode, boolean blockStart) { + if (Debug.isLogEnabled()) { + StringBuilder sb = new StringBuilder(40); + sb.append(blockStart ? '+' : '|'); + if (bci < 10) { + sb.append(" "); + } else if (bci < 100) { + sb.append(' '); + } + sb.append(bci).append(": ").append(Bytecodes.nameOf(opcode)); + for (int i = bci + 1; i < stream.nextBCI(); ++i) { + sb.append(' ').append(stream.readUByte(i)); + } + if (!currentBlock.jsrScope.isEmpty()) { + sb.append(' ').append(currentBlock.jsrScope); + } + Debug.log(sb.toString()); + } + } + + private void genArrayLength() { + throw GraalInternalError.unimplemented(); + } +}
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/GraalCompilerTest.java Wed Mar 05 11:24:42 2014 +0100 +++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/GraalCompilerTest.java Wed Mar 05 13:56:04 2014 +0100 @@ -39,6 +39,7 @@ import com.oracle.graal.api.code.CallingConvention.Type; import com.oracle.graal.api.meta.*; import com.oracle.graal.api.runtime.*; +import com.oracle.graal.baseline.*; import com.oracle.graal.compiler.gen.*; import com.oracle.graal.compiler.target.*; import com.oracle.graal.debug.*; @@ -427,7 +428,7 @@ checkArgs(javaMethod, executeArgs); InstalledCode compiledMethod = null; - if (UseLIRBuilder.getValue()) { + if (UseBaselineCompiler.getValue()) { compiledMethod = getCodeBaseline(javaMethod, method); } else { compiledMethod = getCode(javaMethod, parse(method)); @@ -500,41 +501,9 @@ private CompilationResult compileBaseline(ResolvedJavaMethod javaMethod) { try (Scope bds = Debug.scope("compileBaseline")) { - Assumptions assumptions = new Assumptions(OptAssumptions.getValue()); - LIRGenerator lirGen = compileBytecodeToLIR(javaMethod, assumptions, getCustomLIRBuilderSuite(GraphBuilderConfiguration.getDefault()), getProviders(), getCodeCache().getTarget(), - getBackend(), getCallingConvention(getCodeCache(), Type.JavaCallee, javaMethod, false), getSpeculationLog(), getSuites()); - - CompilationResult compilationResult = new CompilationResult(); - try (Scope s = Debug.scope("CodeGen", lirGen)) { - // there will be no more GraphIds so we can pass an empty array... - // ...they are not use (yet?) anyway - emitCode(getBackend(), new long[0], assumptions, lirGen, compilationResult, javaMethod, CompilationResultBuilderFactory.Default); - } catch (Throwable e) { - throw Debug.handle(e); - } - return compilationResult; - } catch (Throwable e) { - throw Debug.handle(e); - } - } - - private static LIRGenerator compileBytecodeToLIR(ResolvedJavaMethod javaMethod, Assumptions assumptions, PhaseSuite<HighTierContext> graphBuilderSuite, Providers providers, - TargetDescription target, Backend backend, CallingConvention cc, SpeculationLog speculationLog, Suites suites) { - StructuredGraph graph = new StructuredGraph(javaMethod); - graphBuilderSuite.apply(graph, new HighTierContext(providers, null, null, graphBuilderSuite, OptimisticOptimizations.ALL)); - - Debug.dump(graph, "after bytecode parsing"); - - assert !graph.isFrozen(); - LIR lir = null; - try (Scope s = Debug.scope("FrontEnd")) { - // graphBuilderSuite was getDefaultGraphBuilderSuite() - lir = emitHIR(providers, target, graph, assumptions, null, graphBuilderSuite, OptimisticOptimizations.ALL, getProfilingInfo(graph), speculationLog, suites); - } catch (Throwable e) { - throw Debug.handle(e); - } - try (Scope s = Debug.scope("BackEnd", lir)) { - return emitLIR(backend, target, lir, graph, cc); + BaslineCompiler baselineCompiler = new BaslineCompiler(GraphBuilderConfiguration.getDefault(), providers.getMetaAccess()); + baselineCompiler.generate(javaMethod, -1); + return null; } catch (Throwable e) { throw Debug.handle(e); } @@ -757,14 +726,6 @@ return suite; } - protected PhaseSuite<HighTierContext> getCustomLIRBuilderSuite(GraphBuilderConfiguration gbConf) { - PhaseSuite<HighTierContext> suite = getDefaultGraphBuilderSuite().copy(); - ListIterator<BasePhase<? super HighTierContext>> iterator = suite.findPhase(GraphBuilderPhase.class); - iterator.remove(); - iterator.add(new LIRBuilderPhase(gbConf)); - return suite; - } - protected Replacements getReplacements() { return getProviders().getReplacements(); }
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/BciBlockMapping.java Wed Mar 05 11:24:42 2014 +0100 +++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/BciBlockMapping.java Wed Mar 05 13:56:04 2014 +0100 @@ -172,7 +172,7 @@ * * @param method the compiler interface method containing the code */ - public BciBlockMapping(ResolvedJavaMethod method) { + private BciBlockMapping(ResolvedJavaMethod method) { this.method = method; exceptionHandlers = method.getExceptionHandlers(); stream = new BytecodeStream(method.getCode()); @@ -879,6 +879,16 @@ } } + public static BciBlockMapping create(ResolvedJavaMethod method) { + BciBlockMapping map = new BciBlockMapping(method); + map.build(); + if (Debug.isDumpEnabled()) { + Debug.dump(map, MetaUtil.format("After block building %f %R %H.%n(%P)", method)); + } + + return map; + } + private static void loadTwo(Block block, int local) { loadOne(block, local); loadOne(block, local + 1);
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java Wed Mar 05 11:24:42 2014 +0100 +++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java Wed Mar 05 13:56:04 2014 +0100 @@ -214,16 +214,6 @@ return getName() + " " + MetaUtil.format("%H.%n(%p):%r", method); } - private BciBlockMapping createBlockMap() { - BciBlockMapping map = new BciBlockMapping(method); - map.build(); - if (Debug.isDumpEnabled()) { - Debug.dump(map, MetaUtil.format("After block building %f %R %H.%n(%P)", method)); - } - - return map; - } - protected void build() { if (PrintProfilingInformation.getValue()) { TTY.println("Profiling info for " + MetaUtil.format("%H.%n(%p)", method)); @@ -233,7 +223,7 @@ Indent indent = Debug.logAndIndent("build graph for %s", method); // compute the block map, setup exception handlers and get the entrypoint(s) - BciBlockMapping blockMap = createBlockMap(); + BciBlockMapping blockMap = BciBlockMapping.create(method); loopHeaders = blockMap.loopHeaders; lastInstr = currentGraph.start(); @@ -303,11 +293,11 @@ return unwindBlock; } - public BytecodeStream stream() { + protected BytecodeStream stream() { return stream; } - public int bci() { + protected int bci() { return stream.currentBCI(); } @@ -327,14 +317,6 @@ frameState.storeLocal(index, value); } - public static boolean covers(ExceptionHandler handler, int bci) { - return handler.getStartBCI() <= bci && bci < handler.getEndBCI(); - } - - public static boolean isCatchAll(ExceptionHandler handler) { - return handler.catchTypeCPI() == 0; - } - /** * @param type the unresolved type of the constant */
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/LIRBuilderPhase.java Wed Mar 05 11:24:42 2014 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,2113 +0,0 @@ -/* - * Copyright (c) 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.java; - -import static com.oracle.graal.api.code.TypeCheckHints.*; -import static com.oracle.graal.api.meta.DeoptimizationAction.*; -import static com.oracle.graal.api.meta.DeoptimizationReason.*; -import static com.oracle.graal.bytecode.Bytecodes.*; -import static com.oracle.graal.java.LIRBuilderPhase.RuntimeCalls.*; -import static com.oracle.graal.phases.GraalOptions.*; -import static java.lang.reflect.Modifier.*; - -import java.lang.reflect.*; -import java.util.*; - -import com.oracle.graal.api.code.*; -import com.oracle.graal.api.meta.*; -import com.oracle.graal.api.meta.ProfilingInfo.TriState; -import com.oracle.graal.api.meta.ResolvedJavaType.Representation; -import com.oracle.graal.bytecode.*; -import com.oracle.graal.debug.*; -import com.oracle.graal.graph.*; -import com.oracle.graal.java.BciBlockMapping.Block; -import com.oracle.graal.java.BciBlockMapping.ExceptionDispatchBlock; -import com.oracle.graal.nodes.*; -import com.oracle.graal.nodes.calc.*; -import com.oracle.graal.nodes.calc.FloatConvertNode.FloatConvert; -import com.oracle.graal.nodes.extended.*; -import com.oracle.graal.nodes.java.*; -import com.oracle.graal.nodes.java.MethodCallTargetNode.InvokeKind; -import com.oracle.graal.nodes.type.*; -import com.oracle.graal.nodes.util.*; -import com.oracle.graal.phases.*; -import com.oracle.graal.phases.tiers.*; - -/** - * The {@code GraphBuilder} class parses the bytecode of a method and builds the IR graph. - */ -public class LIRBuilderPhase extends BasePhase<HighTierContext> { - - public static final class RuntimeCalls { - - public static final ForeignCallDescriptor CREATE_NULL_POINTER_EXCEPTION = new ForeignCallDescriptor("createNullPointerException", NullPointerException.class); - public static final ForeignCallDescriptor CREATE_OUT_OF_BOUNDS_EXCEPTION = new ForeignCallDescriptor("createOutOfBoundsException", IndexOutOfBoundsException.class, int.class); - - } - - /** - * The minimum value to which {@link GraphBuilderPhase.Options#TraceBytecodeParserLevel} must be - * set to trace the bytecode instructions as they are parsed. - */ - public static final int TRACELEVEL_INSTRUCTIONS = 1; - - /** - * The minimum value to which {@link GraphBuilderPhase.Options#TraceBytecodeParserLevel} must be - * set to trace the frame state before each bytecode instruction as it is parsed. - */ - public static final int TRACELEVEL_STATE = 2; - - private final GraphBuilderConfiguration graphBuilderConfig; - - public LIRBuilderPhase(GraphBuilderConfiguration graphBuilderConfig) { - this.graphBuilderConfig = graphBuilderConfig; - } - - @Override - protected void run(StructuredGraph graph, HighTierContext context) { - new Instance(context.getMetaAccess(), graphBuilderConfig, context.getOptimisticOptimizations()).run(graph); - } - - public static class Instance extends Phase { - - private LineNumberTable lnt; - private int previousLineNumber; - private int currentLineNumber; - - protected StructuredGraph currentGraph; - - /** - * Head of placeholder list. - */ - protected BlockPlaceholderNode placeholders; - - private final MetaAccessProvider metaAccess; - private ConstantPool constantPool; - private ResolvedJavaMethod method; - private int entryBCI; - private ProfilingInfo profilingInfo; - - private BytecodeStream stream; // the bytecode stream - - protected FrameStateBuilder frameState; // the current execution state - private Block currentBlock; - - private ValueNode methodSynchronizedObject; - private ExceptionDispatchBlock unwindBlock; - - private FixedWithNextNode lastInstr; // the last instruction added - - private final GraphBuilderConfiguration graphBuilderConfig; - private final OptimisticOptimizations optimisticOpts; - - /** - * Meters the number of actual bytecodes parsed. - */ - public static final DebugMetric BytecodesParsed = Debug.metric("BytecodesParsed"); - - /** - * Node that marks the begin of block during bytecode parsing. When a block is identified - * the first time as a jump target, the placeholder is created and used as the successor for - * the jump. When the block is seen the second time, a {@link MergeNode} is created to - * correctly merge the now two different predecessor states. - */ - private static class BlockPlaceholderNode extends FixedWithNextNode { - - /* - * Cannot be explicitly declared as a Node type since it is not an input; would cause - * the !NODE_CLASS.isAssignableFrom(type) guarantee in - * NodeClass.FieldScanner.scanField() to fail. - */ - private final Object nextPlaceholder; - - public BlockPlaceholderNode(Instance builder) { - super(StampFactory.forVoid()); - nextPlaceholder = builder.placeholders; - builder.placeholders = this; - } - - BlockPlaceholderNode nextPlaceholder() { - return (BlockPlaceholderNode) nextPlaceholder; - } - } - - private Block[] loopHeaders; - - /** - * Gets the current frame state being processed by this builder. - */ - protected FrameStateBuilder getCurrentFrameState() { - return frameState; - } - - /** - * Gets the graph being processed by this builder. - */ - protected StructuredGraph getGraph() { - return currentGraph; - } - - protected ResolvedJavaMethod getMethod() { - return method; - } - - public Instance(MetaAccessProvider metaAccess, GraphBuilderConfiguration graphBuilderConfig, OptimisticOptimizations optimisticOpts) { - this.graphBuilderConfig = graphBuilderConfig; - this.optimisticOpts = optimisticOpts; - this.metaAccess = metaAccess; - assert metaAccess != null; - } - - @Override - protected void run(StructuredGraph graph) { - method = graph.method(); - if (graphBuilderConfig.eagerInfopointMode()) { - lnt = method.getLineNumberTable(); - previousLineNumber = -1; - } - entryBCI = graph.getEntryBCI(); - profilingInfo = method.getProfilingInfo(); - assert method.getCode() != null : "method must contain bytecodes: " + method; - this.stream = new BytecodeStream(method.getCode()); - this.constantPool = method.getConstantPool(); - unwindBlock = null; - methodSynchronizedObject = null; - this.currentGraph = graph; - this.frameState = new FrameStateBuilder(method, graph, graphBuilderConfig.eagerResolving()); - TTY.Filter filter = new TTY.Filter(PrintFilter.getValue(), method); - try { - build(); - } finally { - filter.remove(); - } - } - - @Override - protected String getDetailedName() { - return getName() + " " + MetaUtil.format("%H.%n(%p):%r", method); - } - - private BciBlockMapping createBlockMap() { - BciBlockMapping map = new BciBlockMapping(method); - map.build(); - if (Debug.isDumpEnabled()) { - Debug.dump(map, MetaUtil.format("After block building %f %R %H.%n(%P)", method)); - } - - return map; - } - - protected void build() { - if (PrintProfilingInformation.getValue()) { - TTY.println("Profiling info for " + MetaUtil.format("%H.%n(%p)", method)); - TTY.println(MetaUtil.indent(MetaUtil.profileToString(profilingInfo, method, CodeUtil.NEW_LINE), " ")); - } - - Indent indent = Debug.logAndIndent("build graph for %s", method); - - // compute the block map, setup exception handlers and get the entrypoint(s) - BciBlockMapping blockMap = createBlockMap(); - loopHeaders = blockMap.loopHeaders; - - lastInstr = currentGraph.start(); - if (isSynchronized(method.getModifiers())) { - // add a monitor enter to the start block - currentGraph.start().setStateAfter(frameState.create(FrameState.BEFORE_BCI)); - methodSynchronizedObject = synchronizedObject(frameState, method); - lastInstr = genMonitorEnter(methodSynchronizedObject); - } - frameState.clearNonLiveLocals(blockMap.startBlock.localsLiveIn); - ((StateSplit) lastInstr).setStateAfter(frameState.create(0)); - - if (graphBuilderConfig.eagerInfopointMode()) { - InfopointNode ipn = currentGraph.add(new InfopointNode(InfopointReason.METHOD_START, frameState.create(0))); - lastInstr.setNext(ipn); - lastInstr = ipn; - } - - currentBlock = blockMap.startBlock; - blockMap.startBlock.entryState = frameState; - if (blockMap.startBlock.isLoopHeader) { - /* - * TODO(lstadler,gduboscq) createTarget might not be safe at this position, since it - * expects currentBlock, etc. to be set up correctly. A better solution to this - * problem of start blocks that are loop headers would be to create a dummy block in - * BciBlockMapping. - */ - appendGoto(createTarget(blockMap.startBlock, frameState)); - } else { - blockMap.startBlock.firstInstruction = lastInstr; - } - - for (Block block : blockMap.blocks) { - processBlock(block); - } - processBlock(unwindBlock); - - Debug.dump(currentGraph, "After bytecode parsing"); - - connectLoopEndToBegin(); - - // remove Placeholders - for (BlockPlaceholderNode n = placeholders; n != null; n = n.nextPlaceholder()) { - if (!n.isDeleted()) { - currentGraph.removeFixed(n); - } - } - placeholders = null; - - // remove dead FrameStates - for (Node n : currentGraph.getNodes(FrameState.class)) { - if (n.usages().isEmpty() && n.predecessor() == null) { - n.safeDelete(); - } - } - indent.outdent(); - } - - private Block unwindBlock(int bci) { - if (unwindBlock == null) { - unwindBlock = new ExceptionDispatchBlock(); - unwindBlock.startBci = -1; - unwindBlock.endBci = -1; - unwindBlock.deoptBci = bci; - unwindBlock.blockID = Integer.MAX_VALUE; - } - return unwindBlock; - } - - public BytecodeStream stream() { - return stream; - } - - public int bci() { - return stream.currentBCI(); - } - - private void loadLocal(int index, Kind kind) { - frameState.push(kind, frameState.loadLocal(index)); - } - - private void storeLocal(Kind kind, int index) { - ValueNode value; - if (kind == Kind.Object) { - value = frameState.xpop(); - // astore and astore_<n> may be used to store a returnAddress (jsr) - assert value.kind() == Kind.Object || value.kind() == Kind.Int; - } else { - value = frameState.pop(kind); - } - frameState.storeLocal(index, value); - } - - public static boolean covers(ExceptionHandler handler, int bci) { - return handler.getStartBCI() <= bci && bci < handler.getEndBCI(); - } - - public static boolean isCatchAll(ExceptionHandler handler) { - return handler.catchTypeCPI() == 0; - } - - /** - * @param type the unresolved type of the constant - */ - protected void handleUnresolvedLoadConstant(JavaType type) { - assert !graphBuilderConfig.eagerResolving(); - append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); - frameState.push(Kind.Object, appendConstant(Constant.NULL_OBJECT)); - } - - /** - * @param type the unresolved type of the type check - * @param object the object value whose type is being checked against {@code type} - */ - protected void handleUnresolvedCheckCast(JavaType type, ValueNode object) { - assert !graphBuilderConfig.eagerResolving(); - append(new FixedGuardNode(currentGraph.unique(new IsNullNode(object)), Unresolved, InvalidateRecompile)); - frameState.apush(appendConstant(Constant.NULL_OBJECT)); - } - - /** - * @param type the unresolved type of the type check - * @param object the object value whose type is being checked against {@code type} - */ - protected void handleUnresolvedInstanceOf(JavaType type, ValueNode object) { - assert !graphBuilderConfig.eagerResolving(); - BlockPlaceholderNode successor = currentGraph.add(new BlockPlaceholderNode(this)); - DeoptimizeNode deopt = currentGraph.add(new DeoptimizeNode(InvalidateRecompile, Unresolved)); - append(new IfNode(currentGraph.unique(new IsNullNode(object)), successor, deopt, 1)); - lastInstr = successor; - frameState.ipush(appendConstant(Constant.INT_0)); - } - - /** - * @param type the type being instantiated - */ - protected void handleUnresolvedNewInstance(JavaType type) { - assert !graphBuilderConfig.eagerResolving(); - append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); - frameState.apush(appendConstant(Constant.NULL_OBJECT)); - } - - /** - * @param type the type of the array being instantiated - * @param length the length of the array - */ - protected void handleUnresolvedNewObjectArray(JavaType type, ValueNode length) { - assert !graphBuilderConfig.eagerResolving(); - append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); - frameState.apush(appendConstant(Constant.NULL_OBJECT)); - } - - /** - * @param type the type being instantiated - * @param dims the dimensions for the multi-array - */ - protected void handleUnresolvedNewMultiArray(JavaType type, ValueNode[] dims) { - assert !graphBuilderConfig.eagerResolving(); - append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); - frameState.apush(appendConstant(Constant.NULL_OBJECT)); - } - - /** - * @param field the unresolved field - * @param receiver the object containing the field or {@code null} if {@code field} is - * static - */ - protected void handleUnresolvedLoadField(JavaField field, ValueNode receiver) { - assert !graphBuilderConfig.eagerResolving(); - Kind kind = field.getKind(); - append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); - frameState.push(kind.getStackKind(), appendConstant(Constant.defaultForKind(kind))); - } - - /** - * @param field the unresolved field - * @param value the value being stored to the field - * @param receiver the object containing the field or {@code null} if {@code field} is - * static - */ - protected void handleUnresolvedStoreField(JavaField field, ValueNode value, ValueNode receiver) { - assert !graphBuilderConfig.eagerResolving(); - append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); - } - - /** - * @param representation - * @param type - */ - protected void handleUnresolvedExceptionType(Representation representation, JavaType type) { - assert !graphBuilderConfig.eagerResolving(); - append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); - } - - protected void handleUnresolvedInvoke(JavaMethod javaMethod, InvokeKind invokeKind) { - assert !graphBuilderConfig.eagerResolving(); - boolean withReceiver = invokeKind != InvokeKind.Static; - append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); - frameState.popArguments(javaMethod.getSignature().getParameterSlots(withReceiver), javaMethod.getSignature().getParameterCount(withReceiver)); - Kind kind = javaMethod.getSignature().getReturnKind(); - if (kind != Kind.Void) { - frameState.push(kind.getStackKind(), appendConstant(Constant.defaultForKind(kind))); - } - } - - private DispatchBeginNode handleException(ValueNode exceptionObject, int bci) { - assert bci == FrameState.BEFORE_BCI || bci == bci() : "invalid bci"; - Debug.log("Creating exception dispatch edges at %d, exception object=%s, exception seen=%s", bci, exceptionObject, profilingInfo.getExceptionSeen(bci)); - - Block dispatchBlock = currentBlock.exceptionDispatchBlock(); - /* - * The exception dispatch block is always for the last bytecode of a block, so if we are - * not at the endBci yet, there is no exception handler for this bci and we can unwind - * immediately. - */ - if (bci != currentBlock.endBci || dispatchBlock == null) { - dispatchBlock = unwindBlock(bci); - } - - FrameStateBuilder dispatchState = frameState.copy(); - dispatchState.clearStack(); - - DispatchBeginNode dispatchBegin; - if (exceptionObject == null) { - dispatchBegin = currentGraph.add(new ExceptionObjectNode(metaAccess)); - dispatchState.apush(dispatchBegin); - dispatchState.setRethrowException(true); - dispatchBegin.setStateAfter(dispatchState.create(bci)); - } else { - dispatchBegin = currentGraph.add(new DispatchBeginNode()); - dispatchBegin.setStateAfter(dispatchState.create(bci)); - dispatchState.apush(exceptionObject); - dispatchState.setRethrowException(true); - } - FixedNode target = createTarget(dispatchBlock, dispatchState); - dispatchBegin.setNext(target); - return dispatchBegin; - } - - private void genLoadConstant(int cpi, int opcode) { - Object con = lookupConstant(cpi, opcode); - - if (con instanceof JavaType) { - // this is a load of class constant which might be unresolved - JavaType type = (JavaType) con; - if (type instanceof ResolvedJavaType) { - frameState.push(Kind.Object, appendConstant(((ResolvedJavaType) type).getEncoding(Representation.JavaClass))); - } else { - handleUnresolvedLoadConstant(type); - } - } else if (con instanceof Constant) { - Constant constant = (Constant) con; - frameState.push(constant.getKind().getStackKind(), appendConstant(constant)); - } else { - throw new Error("lookupConstant returned an object of incorrect type"); - } - } - - private void genLoadIndexed(Kind kind) { - emitExplicitExceptions(frameState.peek(1), frameState.peek(0)); - - ValueNode index = frameState.ipop(); - ValueNode array = frameState.apop(); - frameState.push(kind.getStackKind(), append(new LoadIndexedNode(array, index, kind))); - } - - private void genStoreIndexed(Kind kind) { - emitExplicitExceptions(frameState.peek(2), frameState.peek(1)); - - ValueNode value = frameState.pop(kind.getStackKind()); - ValueNode index = frameState.ipop(); - ValueNode array = frameState.apop(); - append(new StoreIndexedNode(array, index, kind, value)); - } - - private void stackOp(int opcode) { - switch (opcode) { - case POP: { - frameState.xpop(); - break; - } - case POP2: { - frameState.xpop(); - frameState.xpop(); - break; - } - case DUP: { - ValueNode w = frameState.xpop(); - frameState.xpush(w); - frameState.xpush(w); - break; - } - case DUP_X1: { - ValueNode w1 = frameState.xpop(); - ValueNode w2 = frameState.xpop(); - frameState.xpush(w1); - frameState.xpush(w2); - frameState.xpush(w1); - break; - } - case DUP_X2: { - ValueNode w1 = frameState.xpop(); - ValueNode w2 = frameState.xpop(); - ValueNode w3 = frameState.xpop(); - frameState.xpush(w1); - frameState.xpush(w3); - frameState.xpush(w2); - frameState.xpush(w1); - break; - } - case DUP2: { - ValueNode w1 = frameState.xpop(); - ValueNode w2 = frameState.xpop(); - frameState.xpush(w2); - frameState.xpush(w1); - frameState.xpush(w2); - frameState.xpush(w1); - break; - } - case DUP2_X1: { - ValueNode w1 = frameState.xpop(); - ValueNode w2 = frameState.xpop(); - ValueNode w3 = frameState.xpop(); - frameState.xpush(w2); - frameState.xpush(w1); - frameState.xpush(w3); - frameState.xpush(w2); - frameState.xpush(w1); - break; - } - case DUP2_X2: { - ValueNode w1 = frameState.xpop(); - ValueNode w2 = frameState.xpop(); - ValueNode w3 = frameState.xpop(); - ValueNode w4 = frameState.xpop(); - frameState.xpush(w2); - frameState.xpush(w1); - frameState.xpush(w4); - frameState.xpush(w3); - frameState.xpush(w2); - frameState.xpush(w1); - break; - } - case SWAP: { - ValueNode w1 = frameState.xpop(); - ValueNode w2 = frameState.xpop(); - frameState.xpush(w1); - frameState.xpush(w2); - break; - } - default: - throw GraalInternalError.shouldNotReachHere(); - } - - } - - private void genArithmeticOp(Kind result, int opcode) { - ValueNode y = frameState.pop(result); - ValueNode x = frameState.pop(result); - boolean isStrictFP = isStrict(method.getModifiers()); - BinaryNode v; - switch (opcode) { - case IADD: - case LADD: - v = new IntegerAddNode(StampFactory.forKind(result), x, y); - break; - case FADD: - case DADD: - v = new FloatAddNode(StampFactory.forKind(result), x, y, isStrictFP); - break; - case ISUB: - case LSUB: - v = new IntegerSubNode(StampFactory.forKind(result), x, y); - break; - case FSUB: - case DSUB: - v = new FloatSubNode(StampFactory.forKind(result), x, y, isStrictFP); - break; - case IMUL: - case LMUL: - v = new IntegerMulNode(StampFactory.forKind(result), x, y); - break; - case FMUL: - case DMUL: - v = new FloatMulNode(StampFactory.forKind(result), x, y, isStrictFP); - break; - case FDIV: - case DDIV: - v = new FloatDivNode(StampFactory.forKind(result), x, y, isStrictFP); - break; - case FREM: - case DREM: - v = new FloatRemNode(StampFactory.forKind(result), x, y, isStrictFP); - break; - default: - throw new GraalInternalError("should not reach"); - } - frameState.push(result, append(v)); - } - - private void genIntegerDivOp(Kind result, int opcode) { - ValueNode y = frameState.pop(result); - ValueNode x = frameState.pop(result); - FixedWithNextNode v; - switch (opcode) { - case IDIV: - case LDIV: - v = new IntegerDivNode(StampFactory.forKind(result), x, y); - break; - case IREM: - case LREM: - v = new IntegerRemNode(StampFactory.forKind(result), x, y); - break; - default: - throw new GraalInternalError("should not reach"); - } - frameState.push(result, append(v)); - } - - private void genNegateOp(Kind kind) { - frameState.push(kind, append(new NegateNode(frameState.pop(kind)))); - } - - private void genShiftOp(Kind kind, int opcode) { - ValueNode s = frameState.ipop(); - ValueNode x = frameState.pop(kind); - ShiftNode v; - switch (opcode) { - case ISHL: - case LSHL: - v = new LeftShiftNode(StampFactory.forKind(kind), x, s); - break; - case ISHR: - case LSHR: - v = new RightShiftNode(StampFactory.forKind(kind), x, s); - break; - case IUSHR: - case LUSHR: - v = new UnsignedRightShiftNode(StampFactory.forKind(kind), x, s); - break; - default: - throw new GraalInternalError("should not reach"); - } - frameState.push(kind, append(v)); - } - - private void genLogicOp(Kind kind, int opcode) { - ValueNode y = frameState.pop(kind); - ValueNode x = frameState.pop(kind); - Stamp stamp = StampFactory.forKind(kind); - BitLogicNode v; - switch (opcode) { - case IAND: - case LAND: - v = new AndNode(stamp, x, y); - break; - case IOR: - case LOR: - v = new OrNode(stamp, x, y); - break; - case IXOR: - case LXOR: - v = new XorNode(stamp, x, y); - break; - default: - throw new GraalInternalError("should not reach"); - } - frameState.push(kind, append(v)); - } - - private void genCompareOp(Kind kind, boolean isUnorderedLess) { - ValueNode y = frameState.pop(kind); - ValueNode x = frameState.pop(kind); - frameState.ipush(append(new NormalizeCompareNode(x, y, isUnorderedLess))); - } - - private void genFloatConvert(FloatConvert op, Kind from, Kind to) { - ValueNode input = frameState.pop(from.getStackKind()); - frameState.push(to.getStackKind(), append(new FloatConvertNode(op, input))); - } - - private void genSignExtend(Kind from, Kind to) { - ValueNode input = frameState.pop(from.getStackKind()); - if (from != from.getStackKind()) { - input = append(new NarrowNode(input, from.getBitCount())); - } - frameState.push(to.getStackKind(), append(new SignExtendNode(input, to.getBitCount()))); - } - - private void genZeroExtend(Kind from, Kind to) { - ValueNode input = frameState.pop(from.getStackKind()); - if (from != from.getStackKind()) { - input = append(new NarrowNode(input, from.getBitCount())); - } - frameState.push(to.getStackKind(), append(new ZeroExtendNode(input, to.getBitCount()))); - } - - private void genNarrow(Kind from, Kind to) { - ValueNode input = frameState.pop(from.getStackKind()); - frameState.push(to.getStackKind(), append(new NarrowNode(input, to.getBitCount()))); - } - - private void genIncrement() { - int index = stream().readLocalIndex(); - int delta = stream().readIncrement(); - ValueNode x = frameState.loadLocal(index); - ValueNode y = appendConstant(Constant.forInt(delta)); - frameState.storeLocal(index, append(new IntegerAddNode(StampFactory.forKind(Kind.Int), x, y))); - } - - private void genGoto() { - appendGoto(createTarget(currentBlock.successors.get(0), frameState)); - assert currentBlock.numNormalSuccessors() == 1; - } - - private void ifNode(ValueNode x, Condition cond, ValueNode y) { - assert !x.isDeleted() && !y.isDeleted(); - assert currentBlock.numNormalSuccessors() == 2; - Block trueBlock = currentBlock.successors.get(0); - Block falseBlock = currentBlock.successors.get(1); - if (trueBlock == falseBlock) { - appendGoto(createTarget(trueBlock, frameState)); - return; - } - - double probability = profilingInfo.getBranchTakenProbability(bci()); - if (probability < 0) { - assert probability == -1 : "invalid probability"; - Debug.log("missing probability in %s at bci %d", method, bci()); - probability = 0.5; - } - - if (!optimisticOpts.removeNeverExecutedCode()) { - if (probability == 0) { - probability = 0.0000001; - } else if (probability == 1) { - probability = 0.999999; - } - } - - // the mirroring and negation operations get the condition into canonical form - boolean mirror = cond.canonicalMirror(); - boolean negate = cond.canonicalNegate(); - - ValueNode a = mirror ? y : x; - ValueNode b = mirror ? x : y; - - CompareNode condition; - assert !a.kind().isNumericFloat(); - if (cond == Condition.EQ || cond == Condition.NE) { - if (a.kind() == Kind.Object) { - condition = new ObjectEqualsNode(a, b); - } else { - condition = new IntegerEqualsNode(a, b); - } - } else { - assert a.kind() != Kind.Object && !cond.isUnsigned(); - condition = new IntegerLessThanNode(a, b); - } - condition = currentGraph.unique(condition); - - AbstractBeginNode trueSuccessor = createBlockTarget(probability, trueBlock, frameState); - AbstractBeginNode falseSuccessor = createBlockTarget(1 - probability, falseBlock, frameState); - - IfNode ifNode = negate ? new IfNode(condition, falseSuccessor, trueSuccessor, 1 - probability) : new IfNode(condition, trueSuccessor, falseSuccessor, probability); - append(ifNode); - } - - private void genIfZero(Condition cond) { - ValueNode y = appendConstant(Constant.INT_0); - ValueNode x = frameState.ipop(); - ifNode(x, cond, y); - } - - private void genIfNull(Condition cond) { - ValueNode y = appendConstant(Constant.NULL_OBJECT); - ValueNode x = frameState.apop(); - ifNode(x, cond, y); - } - - private void genIfSame(Kind kind, Condition cond) { - ValueNode y = frameState.pop(kind); - ValueNode x = frameState.pop(kind); - assert !x.isDeleted() && !y.isDeleted(); - ifNode(x, cond, y); - } - - private void genThrow() { - ValueNode exception = frameState.apop(); - append(new FixedGuardNode(currentGraph.unique(new IsNullNode(exception)), NullCheckException, InvalidateReprofile, true)); - lastInstr.setNext(handleException(exception, bci())); - } - - private JavaType lookupType(int cpi, int bytecode) { - eagerResolvingForSnippets(cpi, bytecode); - JavaType result = constantPool.lookupType(cpi, bytecode); - assert !graphBuilderConfig.unresolvedIsError() || result instanceof ResolvedJavaType; - return result; - } - - private JavaMethod lookupMethod(int cpi, int opcode) { - eagerResolvingForSnippets(cpi, opcode); - JavaMethod result = constantPool.lookupMethod(cpi, opcode); - /* - * assert !graphBuilderConfig.unresolvedIsError() || ((result instanceof - * ResolvedJavaMethod) && ((ResolvedJavaMethod) - * result).getDeclaringClass().isInitialized()) : result; - */ - return result; - } - - private JavaField lookupField(int cpi, int opcode) { - eagerResolvingForSnippets(cpi, opcode); - JavaField result = constantPool.lookupField(cpi, opcode); - assert !graphBuilderConfig.unresolvedIsError() || (result instanceof ResolvedJavaField && ((ResolvedJavaField) result).getDeclaringClass().isInitialized()) : result; - return result; - } - - private Object lookupConstant(int cpi, int opcode) { - eagerResolvingForSnippets(cpi, opcode); - Object result = constantPool.lookupConstant(cpi); - assert !graphBuilderConfig.eagerResolving() || !(result instanceof JavaType) || (result instanceof ResolvedJavaType); - return result; - } - - private void eagerResolvingForSnippets(int cpi, int bytecode) { - if (graphBuilderConfig.eagerResolving()) { - constantPool.loadReferencedType(cpi, bytecode); - } - } - - private JavaTypeProfile getProfileForTypeCheck(ResolvedJavaType type) { - if (!optimisticOpts.useTypeCheckHints() || !canHaveSubtype(type)) { - return null; - } else { - return profilingInfo.getTypeProfile(bci()); - } - } - - private void genCheckCast() { - int cpi = stream().readCPI(); - JavaType type = lookupType(cpi, CHECKCAST); - ValueNode object = frameState.apop(); - if (type instanceof ResolvedJavaType) { - JavaTypeProfile profileForTypeCheck = getProfileForTypeCheck((ResolvedJavaType) type); - CheckCastNode checkCastNode = append(new CheckCastNode((ResolvedJavaType) type, object, profileForTypeCheck, false)); - frameState.apush(checkCastNode); - } else { - handleUnresolvedCheckCast(type, object); - } - } - - private void genInstanceOf() { - int cpi = stream().readCPI(); - JavaType type = lookupType(cpi, INSTANCEOF); - ValueNode object = frameState.apop(); - if (type instanceof ResolvedJavaType) { - ResolvedJavaType resolvedType = (ResolvedJavaType) type; - InstanceOfNode instanceOfNode = new InstanceOfNode((ResolvedJavaType) type, object, getProfileForTypeCheck(resolvedType)); - frameState.ipush(append(new ConditionalNode(currentGraph.unique(instanceOfNode)))); - } else { - handleUnresolvedInstanceOf(type, object); - } - } - - void genNewInstance(int cpi) { - JavaType type = lookupType(cpi, NEW); - if (type instanceof ResolvedJavaType && ((ResolvedJavaType) type).isInitialized()) { - frameState.apush(append(createNewInstance((ResolvedJavaType) type, true))); - } else { - handleUnresolvedNewInstance(type); - } - } - - protected NewInstanceNode createNewInstance(ResolvedJavaType type, boolean fillContents) { - return new NewInstanceNode(type, fillContents); - } - - /** - * Gets the kind of array elements for the array type code that appears in a - * {@link Bytecodes#NEWARRAY} bytecode. - * - * @param code the array type code - * @return the kind from the array type code - */ - public static Class<?> arrayTypeCodeToClass(int code) { - // Checkstyle: stop - switch (code) { - case 4: - return boolean.class; - case 5: - return char.class; - case 6: - return float.class; - case 7: - return double.class; - case 8: - return byte.class; - case 9: - return short.class; - case 10: - return int.class; - case 11: - return long.class; - default: - throw new IllegalArgumentException("unknown array type code: " + code); - } - // Checkstyle: resume - } - - private void genNewPrimitiveArray(int typeCode) { - Class<?> clazz = arrayTypeCodeToClass(typeCode); - ResolvedJavaType elementType = metaAccess.lookupJavaType(clazz); - frameState.apush(append(createNewArray(elementType, frameState.ipop(), true))); - } - - private void genNewObjectArray(int cpi) { - JavaType type = lookupType(cpi, ANEWARRAY); - ValueNode length = frameState.ipop(); - if (type instanceof ResolvedJavaType) { - frameState.apush(append(createNewArray((ResolvedJavaType) type, length, true))); - } else { - handleUnresolvedNewObjectArray(type, length); - } - - } - - protected NewArrayNode createNewArray(ResolvedJavaType elementType, ValueNode length, boolean fillContents) { - return new NewArrayNode(elementType, length, fillContents); - } - - private void genNewMultiArray(int cpi) { - JavaType type = lookupType(cpi, MULTIANEWARRAY); - int rank = stream().readUByte(bci() + 3); - ValueNode[] dims = new ValueNode[rank]; - for (int i = rank - 1; i >= 0; i--) { - dims[i] = frameState.ipop(); - } - if (type instanceof ResolvedJavaType) { - frameState.apush(append(createNewMultiArray((ResolvedJavaType) type, dims))); - } else { - handleUnresolvedNewMultiArray(type, dims); - } - } - - protected NewMultiArrayNode createNewMultiArray(ResolvedJavaType type, ValueNode[] dimensions) { - return new NewMultiArrayNode(type, dimensions); - } - - private void genGetField(JavaField field) { - emitExplicitExceptions(frameState.peek(0), null); - - Kind kind = field.getKind(); - ValueNode receiver = frameState.apop(); - if ((field instanceof ResolvedJavaField) && ((ResolvedJavaField) field).getDeclaringClass().isInitialized()) { - appendOptimizedLoadField(kind, new LoadFieldNode(receiver, (ResolvedJavaField) field)); - } else { - handleUnresolvedLoadField(field, receiver); - } - } - - public static class ExceptionInfo { - - public final FixedWithNextNode exceptionEdge; - public final ValueNode exception; - - public ExceptionInfo(FixedWithNextNode exceptionEdge, ValueNode exception) { - this.exceptionEdge = exceptionEdge; - this.exception = exception; - } - } - - private void emitNullCheck(ValueNode receiver) { - if (ObjectStamp.isObjectNonNull(receiver.stamp())) { - return; - } - BlockPlaceholderNode trueSucc = currentGraph.add(new BlockPlaceholderNode(this)); - BlockPlaceholderNode falseSucc = currentGraph.add(new BlockPlaceholderNode(this)); - append(new IfNode(currentGraph.unique(new IsNullNode(receiver)), trueSucc, falseSucc, 0.01)); - lastInstr = falseSucc; - - if (OmitHotExceptionStacktrace.getValue()) { - ValueNode exception = ConstantNode.forObject(cachedNullPointerException, metaAccess, currentGraph); - trueSucc.setNext(handleException(exception, bci())); - } else { - DeferredForeignCallNode call = currentGraph.add(new DeferredForeignCallNode(CREATE_NULL_POINTER_EXCEPTION)); - call.setStateAfter(frameState.create(bci())); - trueSucc.setNext(call); - call.setNext(handleException(call, bci())); - } - } - - private static final ArrayIndexOutOfBoundsException cachedArrayIndexOutOfBoundsException = new ArrayIndexOutOfBoundsException(); - private static final NullPointerException cachedNullPointerException = new NullPointerException(); - static { - cachedArrayIndexOutOfBoundsException.setStackTrace(new StackTraceElement[0]); - cachedNullPointerException.setStackTrace(new StackTraceElement[0]); - } - - private void emitBoundsCheck(ValueNode index, ValueNode length) { - BlockPlaceholderNode trueSucc = currentGraph.add(new BlockPlaceholderNode(this)); - BlockPlaceholderNode falseSucc = currentGraph.add(new BlockPlaceholderNode(this)); - append(new IfNode(currentGraph.unique(new IntegerBelowThanNode(index, length)), trueSucc, falseSucc, 0.99)); - lastInstr = trueSucc; - - if (OmitHotExceptionStacktrace.getValue()) { - ValueNode exception = ConstantNode.forObject(cachedArrayIndexOutOfBoundsException, metaAccess, currentGraph); - falseSucc.setNext(handleException(exception, bci())); - } else { - DeferredForeignCallNode call = currentGraph.add(new DeferredForeignCallNode(CREATE_OUT_OF_BOUNDS_EXCEPTION, index)); - call.setStateAfter(frameState.create(bci())); - falseSucc.setNext(call); - call.setNext(handleException(call, bci())); - } - } - - private static final DebugMetric EXPLICIT_EXCEPTIONS = Debug.metric("ExplicitExceptions"); - - protected void emitExplicitExceptions(ValueNode receiver, ValueNode outOfBoundsIndex) { - assert receiver != null; - if (graphBuilderConfig.omitAllExceptionEdges() || (optimisticOpts.useExceptionProbabilityForOperations() && profilingInfo.getExceptionSeen(bci()) == TriState.FALSE)) { - return; - } - - emitNullCheck(receiver); - if (outOfBoundsIndex != null) { - ValueNode length = append(new ArrayLengthNode(receiver)); - emitBoundsCheck(outOfBoundsIndex, length); - } - EXPLICIT_EXCEPTIONS.increment(); - } - - private void genPutField(JavaField field) { - emitExplicitExceptions(frameState.peek(1), null); - - ValueNode value = frameState.pop(field.getKind().getStackKind()); - ValueNode receiver = frameState.apop(); - if (field instanceof ResolvedJavaField && ((ResolvedJavaField) field).getDeclaringClass().isInitialized()) { - appendOptimizedStoreField(new StoreFieldNode(receiver, (ResolvedJavaField) field, value)); - } else { - handleUnresolvedStoreField(field, value, receiver); - } - } - - private void genGetStatic(JavaField field) { - Kind kind = field.getKind(); - if (field instanceof ResolvedJavaField && ((ResolvedJavaType) field.getDeclaringClass()).isInitialized()) { - appendOptimizedLoadField(kind, new LoadFieldNode(null, (ResolvedJavaField) field)); - } else { - handleUnresolvedLoadField(field, null); - } - } - - private void genPutStatic(JavaField field) { - ValueNode value = frameState.pop(field.getKind().getStackKind()); - if (field instanceof ResolvedJavaField && ((ResolvedJavaType) field.getDeclaringClass()).isInitialized()) { - appendOptimizedStoreField(new StoreFieldNode(null, (ResolvedJavaField) field, value)); - } else { - handleUnresolvedStoreField(field, value, null); - } - } - - private void appendOptimizedStoreField(StoreFieldNode store) { - append(store); - } - - private void appendOptimizedLoadField(Kind kind, LoadFieldNode load) { - // append the load to the instruction - ValueNode optimized = append(load); - frameState.push(kind.getStackKind(), optimized); - } - - private void genInvokeStatic(JavaMethod target) { - if (target instanceof ResolvedJavaMethod) { - ResolvedJavaMethod resolvedTarget = (ResolvedJavaMethod) target; - ResolvedJavaType holder = resolvedTarget.getDeclaringClass(); - if (!holder.isInitialized() && ResolveClassBeforeStaticInvoke.getValue()) { - handleUnresolvedInvoke(target, InvokeKind.Static); - } else { - ValueNode[] args = frameState.popArguments(resolvedTarget.getSignature().getParameterSlots(false), resolvedTarget.getSignature().getParameterCount(false)); - appendInvoke(InvokeKind.Static, resolvedTarget, args); - } - } else { - handleUnresolvedInvoke(target, InvokeKind.Static); - } - } - - private void genInvokeInterface(JavaMethod target) { - if (target instanceof ResolvedJavaMethod) { - ValueNode[] args = frameState.popArguments(target.getSignature().getParameterSlots(true), target.getSignature().getParameterCount(true)); - genInvokeIndirect(InvokeKind.Interface, (ResolvedJavaMethod) target, args); - } else { - handleUnresolvedInvoke(target, InvokeKind.Interface); - } - } - - private void genInvokeDynamic(JavaMethod target) { - if (target instanceof ResolvedJavaMethod) { - Object appendix = constantPool.lookupAppendix(stream.readCPI4(), Bytecodes.INVOKEDYNAMIC); - if (appendix != null) { - frameState.apush(ConstantNode.forObject(appendix, metaAccess, currentGraph)); - } - ValueNode[] args = frameState.popArguments(target.getSignature().getParameterSlots(false), target.getSignature().getParameterCount(false)); - appendInvoke(InvokeKind.Static, (ResolvedJavaMethod) target, args); - } else { - handleUnresolvedInvoke(target, InvokeKind.Static); - } - } - - private void genInvokeVirtual(JavaMethod target) { - if (target instanceof ResolvedJavaMethod) { - /* - * Special handling for runtimes that rewrite an invocation of - * MethodHandle.invoke(...) or MethodHandle.invokeExact(...) to a static adapter. - * HotSpot does this - see - * https://wikis.oracle.com/display/HotSpotInternals/Method+handles - * +and+invokedynamic - */ - boolean hasReceiver = !isStatic(((ResolvedJavaMethod) target).getModifiers()); - Object appendix = constantPool.lookupAppendix(stream.readCPI(), Bytecodes.INVOKEVIRTUAL); - if (appendix != null) { - frameState.apush(ConstantNode.forObject(appendix, metaAccess, currentGraph)); - } - ValueNode[] args = frameState.popArguments(target.getSignature().getParameterSlots(hasReceiver), target.getSignature().getParameterCount(hasReceiver)); - if (hasReceiver) { - genInvokeIndirect(InvokeKind.Virtual, (ResolvedJavaMethod) target, args); - } else { - appendInvoke(InvokeKind.Static, (ResolvedJavaMethod) target, args); - } - } else { - handleUnresolvedInvoke(target, InvokeKind.Virtual); - } - - } - - private void genInvokeSpecial(JavaMethod target) { - if (target instanceof ResolvedJavaMethod) { - assert target != null; - assert target.getSignature() != null; - ValueNode[] args = frameState.popArguments(target.getSignature().getParameterSlots(true), target.getSignature().getParameterCount(true)); - invokeDirect((ResolvedJavaMethod) target, args); - } else { - handleUnresolvedInvoke(target, InvokeKind.Special); - } - } - - private void genInvokeIndirect(InvokeKind invokeKind, ResolvedJavaMethod target, ValueNode[] args) { - ValueNode receiver = args[0]; - // attempt to devirtualize the call - ResolvedJavaType klass = target.getDeclaringClass(); - - // 0. check for trivial cases - if (target.canBeStaticallyBound()) { - // check for trivial cases (e.g. final methods, nonvirtual methods) - invokeDirect(target, args); - return; - } - // 1. check if the exact type of the receiver can be determined - ResolvedJavaType exact = klass.asExactType(); - if (exact == null && receiver.stamp() instanceof ObjectStamp) { - ObjectStamp receiverStamp = (ObjectStamp) receiver.stamp(); - if (receiverStamp.isExactType()) { - exact = receiverStamp.type(); - } - } - if (exact != null) { - // either the holder class is exact, or the receiver object has an exact type - ResolvedJavaMethod exactMethod = exact.resolveMethod(target); - if (exactMethod != null) { - invokeDirect(exactMethod, args); - return; - } - } - // devirtualization failed, produce an actual invokevirtual - appendInvoke(invokeKind, target, args); - } - - private void invokeDirect(ResolvedJavaMethod target, ValueNode[] args) { - appendInvoke(InvokeKind.Special, target, args); - } - - private void appendInvoke(InvokeKind invokeKind, ResolvedJavaMethod targetMethod, ValueNode[] args) { - Kind resultType = targetMethod.getSignature().getReturnKind(); - if (DeoptALot.getValue()) { - append(new DeoptimizeNode(DeoptimizationAction.None, RuntimeConstraint)); - frameState.pushReturn(resultType, ConstantNode.defaultForKind(resultType, currentGraph)); - return; - } - - JavaType returnType = targetMethod.getSignature().getReturnType(method.getDeclaringClass()); - if (graphBuilderConfig.eagerResolving()) { - returnType = returnType.resolve(targetMethod.getDeclaringClass()); - } - if (invokeKind != InvokeKind.Static) { - emitExplicitExceptions(args[0], null); - if (invokeKind != InvokeKind.Special && this.optimisticOpts.useTypeCheckHints()) { - JavaTypeProfile profile = profilingInfo.getTypeProfile(bci()); - args[0] = TypeProfileProxyNode.create(args[0], profile); - } - } - MethodCallTargetNode callTarget = currentGraph.add(createMethodCallTarget(invokeKind, targetMethod, args, returnType)); - - // be conservative if information was not recorded (could result in endless recompiles - // otherwise) - if (graphBuilderConfig.omitAllExceptionEdges() || (optimisticOpts.useExceptionProbability() && profilingInfo.getExceptionSeen(bci()) == TriState.FALSE)) { - createInvoke(callTarget, resultType); - } else { - assert bci() == currentBlock.endBci; - frameState.clearNonLiveLocals(currentBlock.localsLiveOut); - - InvokeWithExceptionNode invoke = createInvokeWithException(callTarget, resultType); - - Block nextBlock = currentBlock.successors.get(0); - invoke.setNext(createTarget(nextBlock, frameState)); - } - } - - protected MethodCallTargetNode createMethodCallTarget(InvokeKind invokeKind, ResolvedJavaMethod targetMethod, ValueNode[] args, JavaType returnType) { - return new MethodCallTargetNode(invokeKind, targetMethod, args, returnType); - } - - protected InvokeNode createInvoke(CallTargetNode callTarget, Kind resultType) { - InvokeNode invoke = append(new InvokeNode(callTarget, bci())); - frameState.pushReturn(resultType, invoke); - return invoke; - } - - protected InvokeWithExceptionNode createInvokeWithException(CallTargetNode callTarget, Kind resultType) { - DispatchBeginNode exceptionEdge = handleException(null, bci()); - InvokeWithExceptionNode invoke = append(new InvokeWithExceptionNode(callTarget, exceptionEdge, bci())); - frameState.pushReturn(resultType, invoke); - Block nextBlock = currentBlock.successors.get(0); - invoke.setStateAfter(frameState.create(nextBlock.startBci)); - return invoke; - } - - private void genReturn(ValueNode x) { - frameState.setRethrowException(false); - frameState.clearStack(); - if (graphBuilderConfig.eagerInfopointMode()) { - append(new InfopointNode(InfopointReason.METHOD_END, frameState.create(bci()))); - } - - synchronizedEpilogue(FrameState.AFTER_BCI, x); - if (frameState.lockDepth() != 0) { - throw new BailoutException("unbalanced monitors"); - } - - append(new ReturnNode(x)); - } - - private MonitorEnterNode genMonitorEnter(ValueNode x) { - MonitorIdNode monitorId = currentGraph.add(new MonitorIdNode(frameState.lockDepth())); - MonitorEnterNode monitorEnter = append(new MonitorEnterNode(x, monitorId)); - frameState.pushLock(x, monitorId); - return monitorEnter; - } - - private MonitorExitNode genMonitorExit(ValueNode x, ValueNode returnValue) { - MonitorIdNode monitorId = frameState.peekMonitorId(); - ValueNode lockedObject = frameState.popLock(); - if (GraphUtil.originalValue(lockedObject) != GraphUtil.originalValue(x)) { - throw new BailoutException("unbalanced monitors: mismatch at monitorexit, %s != %s", GraphUtil.originalValue(x), GraphUtil.originalValue(lockedObject)); - } - MonitorExitNode monitorExit = append(new MonitorExitNode(x, monitorId, returnValue)); - return monitorExit; - } - - private void genJsr(int dest) { - Block successor = currentBlock.jsrSuccessor; - assert successor.startBci == dest : successor.startBci + " != " + dest + " @" + bci(); - JsrScope scope = currentBlock.jsrScope; - if (!successor.jsrScope.pop().equals(scope)) { - throw new JsrNotSupportedBailout("unstructured control flow (internal limitation)"); - } - if (successor.jsrScope.nextReturnAddress() != stream().nextBCI()) { - throw new JsrNotSupportedBailout("unstructured control flow (internal limitation)"); - } - frameState.push(Kind.Int, ConstantNode.forInt(stream().nextBCI(), currentGraph)); - appendGoto(createTarget(successor, frameState)); - } - - private void genRet(int localIndex) { - Block successor = currentBlock.retSuccessor; - ValueNode local = frameState.loadLocal(localIndex); - JsrScope scope = currentBlock.jsrScope; - int retAddress = scope.nextReturnAddress(); - append(new FixedGuardNode(currentGraph.unique(new IntegerEqualsNode(local, ConstantNode.forInt(retAddress, currentGraph))), JavaSubroutineMismatch, InvalidateReprofile)); - if (!successor.jsrScope.equals(scope.pop())) { - throw new JsrNotSupportedBailout("unstructured control flow (ret leaves more than one scope)"); - } - appendGoto(createTarget(successor, frameState)); - } - - private double[] switchProbability(int numberOfCases, int bci) { - double[] prob = profilingInfo.getSwitchProbabilities(bci); - if (prob != null) { - assert prob.length == numberOfCases; - } else { - Debug.log("Missing probability (switch) in %s at bci %d", method, bci); - prob = new double[numberOfCases]; - for (int i = 0; i < numberOfCases; i++) { - prob[i] = 1.0d / numberOfCases; - } - } - assert allPositive(prob); - return prob; - } - - private static boolean allPositive(double[] a) { - for (double d : a) { - if (d < 0) { - return false; - } - } - return true; - } - - /** - * Helper function that sums up the probabilities of all keys that lead to a specific - * successor. - * - * @return an array of size successorCount with the accumulated probability for each - * successor. - */ - private static double[] successorProbabilites(int successorCount, int[] keySuccessors, double[] keyProbabilities) { - double[] probability = new double[successorCount]; - for (int i = 0; i < keySuccessors.length; i++) { - probability[keySuccessors[i]] += keyProbabilities[i]; - } - return probability; - } - - private void genSwitch(BytecodeSwitch bs) { - int bci = bci(); - ValueNode value = frameState.ipop(); - - int nofCases = bs.numberOfCases(); - double[] keyProbabilities = switchProbability(nofCases + 1, bci); - - Map<Integer, SuccessorInfo> bciToBlockSuccessorIndex = new HashMap<>(); - for (int i = 0; i < currentBlock.successors.size(); i++) { - assert !bciToBlockSuccessorIndex.containsKey(currentBlock.successors.get(i).startBci); - if (!bciToBlockSuccessorIndex.containsKey(currentBlock.successors.get(i).startBci)) { - bciToBlockSuccessorIndex.put(currentBlock.successors.get(i).startBci, new SuccessorInfo(i)); - } - } - - ArrayList<Block> actualSuccessors = new ArrayList<>(); - int[] keys = new int[nofCases]; - int[] keySuccessors = new int[nofCases + 1]; - int deoptSuccessorIndex = -1; - int nextSuccessorIndex = 0; - for (int i = 0; i < nofCases + 1; i++) { - if (i < nofCases) { - keys[i] = bs.keyAt(i); - } - - if (isNeverExecutedCode(keyProbabilities[i])) { - if (deoptSuccessorIndex < 0) { - deoptSuccessorIndex = nextSuccessorIndex++; - actualSuccessors.add(null); - } - keySuccessors[i] = deoptSuccessorIndex; - } else { - int targetBci = i >= nofCases ? bs.defaultTarget() : bs.targetAt(i); - SuccessorInfo info = bciToBlockSuccessorIndex.get(targetBci); - if (info.actualIndex < 0) { - info.actualIndex = nextSuccessorIndex++; - actualSuccessors.add(currentBlock.successors.get(info.blockIndex)); - } - keySuccessors[i] = info.actualIndex; - } - } - - double[] successorProbabilities = successorProbabilites(actualSuccessors.size(), keySuccessors, keyProbabilities); - IntegerSwitchNode switchNode = append(new IntegerSwitchNode(value, actualSuccessors.size(), keys, keyProbabilities, keySuccessors)); - for (int i = 0; i < actualSuccessors.size(); i++) { - switchNode.setBlockSuccessor(i, createBlockTarget(successorProbabilities[i], actualSuccessors.get(i), frameState)); - } - - } - - private static class SuccessorInfo { - - int blockIndex; - int actualIndex; - - public SuccessorInfo(int blockSuccessorIndex) { - this.blockIndex = blockSuccessorIndex; - actualIndex = -1; - } - } - - protected ConstantNode appendConstant(Constant constant) { - assert constant != null; - return ConstantNode.forConstant(constant, metaAccess, currentGraph); - } - - private <T extends ControlSinkNode> T append(T fixed) { - assert !fixed.isAlive() && !fixed.isDeleted() : "instruction should not have been appended yet"; - assert lastInstr.next() == null : "cannot append instruction to instruction which isn't end (" + lastInstr + "->" + lastInstr.next() + ")"; - T added = currentGraph.add(fixed); - lastInstr.setNext(added); - lastInstr = null; - return added; - } - - private <T extends ControlSplitNode> T append(T fixed) { - assert !fixed.isAlive() && !fixed.isDeleted() : "instruction should not have been appended yet"; - assert lastInstr.next() == null : "cannot append instruction to instruction which isn't end (" + lastInstr + "->" + lastInstr.next() + ")"; - T added = currentGraph.add(fixed); - lastInstr.setNext(added); - lastInstr = null; - return added; - } - - protected <T extends FixedWithNextNode> T append(T fixed) { - assert !fixed.isAlive() && !fixed.isDeleted() : "instruction should not have been appended yet"; - assert lastInstr.next() == null : "cannot append instruction to instruction which isn't end (" + lastInstr + "->" + lastInstr.next() + ")"; - T added = currentGraph.add(fixed); - lastInstr.setNext(added); - lastInstr = added; - return added; - } - - private <T extends FloatingNode> T append(T v) { - assert !(v instanceof ConstantNode); - T added = currentGraph.unique(v); - return added; - } - - private static class Target { - - FixedNode fixed; - FrameStateBuilder state; - - public Target(FixedNode fixed, FrameStateBuilder state) { - this.fixed = fixed; - this.state = state; - } - } - - private Target checkLoopExit(FixedNode target, Block targetBlock, FrameStateBuilder state) { - if (currentBlock != null) { - long exits = currentBlock.loops & ~targetBlock.loops; - if (exits != 0) { - LoopExitNode firstLoopExit = null; - LoopExitNode lastLoopExit = null; - - int pos = 0; - ArrayList<Block> exitLoops = new ArrayList<>(Long.bitCount(exits)); - do { - long lMask = 1L << pos; - if ((exits & lMask) != 0) { - exitLoops.add(loopHeaders[pos]); - exits &= ~lMask; - } - pos++; - } while (exits != 0); - - Collections.sort(exitLoops, new Comparator<Block>() { - - @Override - public int compare(Block o1, Block o2) { - return Long.bitCount(o2.loops) - Long.bitCount(o1.loops); - } - }); - - int bci = targetBlock.startBci; - if (targetBlock instanceof ExceptionDispatchBlock) { - bci = ((ExceptionDispatchBlock) targetBlock).deoptBci; - } - FrameStateBuilder newState = state.copy(); - for (Block loop : exitLoops) { - LoopBeginNode loopBegin = (LoopBeginNode) loop.firstInstruction; - LoopExitNode loopExit = currentGraph.add(new LoopExitNode(loopBegin)); - if (lastLoopExit != null) { - lastLoopExit.setNext(loopExit); - } - if (firstLoopExit == null) { - firstLoopExit = loopExit; - } - lastLoopExit = loopExit; - Debug.log("Target %s (%s) Exits %s, scanning framestates...", targetBlock, target, loop); - newState.insertLoopProxies(loopExit, loop.entryState); - loopExit.setStateAfter(newState.create(bci)); - } - - lastLoopExit.setNext(target); - return new Target(firstLoopExit, newState); - } - } - return new Target(target, state); - } - - private FixedNode createTarget(double probability, Block block, FrameStateBuilder stateAfter) { - assert probability >= 0 && probability <= 1.01 : probability; - if (isNeverExecutedCode(probability)) { - return currentGraph.add(new DeoptimizeNode(InvalidateReprofile, UnreachedCode)); - } else { - assert block != null; - return createTarget(block, stateAfter); - } - } - - private boolean isNeverExecutedCode(double probability) { - return probability == 0 && optimisticOpts.removeNeverExecutedCode() && entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI; - } - - private FixedNode createTarget(Block block, FrameStateBuilder state) { - assert block != null && state != null; - assert !block.isExceptionEntry || state.stackSize() == 1; - - if (block.firstInstruction == null) { - /* - * This is the first time we see this block as a branch target. Create and return a - * placeholder that later can be replaced with a MergeNode when we see this block - * again. - */ - block.firstInstruction = currentGraph.add(new BlockPlaceholderNode(this)); - Target target = checkLoopExit(block.firstInstruction, block, state); - FixedNode result = target.fixed; - block.entryState = target.state == state ? state.copy() : target.state; - block.entryState.clearNonLiveLocals(block.localsLiveIn); - - Debug.log("createTarget %s: first visit, result: %s", block, block.firstInstruction); - return result; - } - - // We already saw this block before, so we have to merge states. - if (!block.entryState.isCompatibleWith(state)) { - throw new BailoutException("stacks do not match; bytecodes would not verify"); - } - - if (block.firstInstruction instanceof LoopBeginNode) { - assert block.isLoopHeader && currentBlock.blockID >= block.blockID : "must be backward branch"; - /* - * Backward loop edge. We need to create a special LoopEndNode and merge with the - * loop begin node created before. - */ - LoopBeginNode loopBegin = (LoopBeginNode) block.firstInstruction; - Target target = checkLoopExit(currentGraph.add(new LoopEndNode(loopBegin)), block, state); - FixedNode result = target.fixed; - block.entryState.merge(loopBegin, target.state); - - Debug.log("createTarget %s: merging backward branch to loop header %s, result: %s", block, loopBegin, result); - return result; - } - assert currentBlock == null || currentBlock.blockID < block.blockID : "must not be backward branch"; - assert block.firstInstruction.next() == null : "bytecodes already parsed for block"; - - if (block.firstInstruction instanceof BlockPlaceholderNode) { - /* - * This is the second time we see this block. Create the actual MergeNode and the - * End Node for the already existing edge. For simplicity, we leave the placeholder - * in the graph and just append the new nodes after the placeholder. - */ - BlockPlaceholderNode placeholder = (BlockPlaceholderNode) block.firstInstruction; - - // The EndNode for the already existing edge. - AbstractEndNode end = currentGraph.add(new EndNode()); - // The MergeNode that replaces the placeholder. - MergeNode mergeNode = currentGraph.add(new MergeNode()); - FixedNode next = placeholder.next(); - - placeholder.setNext(end); - mergeNode.addForwardEnd(end); - mergeNode.setNext(next); - - block.firstInstruction = mergeNode; - } - - MergeNode mergeNode = (MergeNode) block.firstInstruction; - - // The EndNode for the newly merged edge. - AbstractEndNode newEnd = currentGraph.add(new EndNode()); - Target target = checkLoopExit(newEnd, block, state); - FixedNode result = target.fixed; - block.entryState.merge(mergeNode, target.state); - mergeNode.addForwardEnd(newEnd); - - Debug.log("createTarget %s: merging state, result: %s", block, result); - return result; - } - - /** - * Returns a block begin node with the specified state. If the specified probability is 0, - * the block deoptimizes immediately. - */ - private AbstractBeginNode createBlockTarget(double probability, Block block, FrameStateBuilder stateAfter) { - FixedNode target = createTarget(probability, block, stateAfter); - AbstractBeginNode begin = AbstractBeginNode.begin(target); - - assert !(target instanceof DeoptimizeNode && begin.stateAfter() != null) : "We are not allowed to set the stateAfter of the begin node, because we have to deoptimize " - + "to a bci _before_ the actual if, so that the interpreter can update the profiling information."; - return begin; - } - - private ValueNode synchronizedObject(FrameStateBuilder state, ResolvedJavaMethod target) { - if (isStatic(target.getModifiers())) { - return appendConstant(target.getDeclaringClass().getEncoding(Representation.JavaClass)); - } else { - return state.loadLocal(0); - } - } - - private void processBlock(Block block) { - // Ignore blocks that have no predecessors by the time their bytecodes are parsed - if (block == null || block.firstInstruction == null) { - Debug.log("Ignoring block %s", block); - return; - } - Indent indent = Debug.logAndIndent("Parsing block %s firstInstruction: %s loopHeader: %b", block, block.firstInstruction, block.isLoopHeader); - - lastInstr = block.firstInstruction; - frameState = block.entryState; - currentBlock = block; - - frameState.cleanupDeletedPhis(); - if (lastInstr instanceof MergeNode) { - int bci = block.startBci; - if (block instanceof ExceptionDispatchBlock) { - bci = ((ExceptionDispatchBlock) block).deoptBci; - } - ((MergeNode) lastInstr).setStateAfter(frameState.create(bci)); - } - - if (block == unwindBlock) { - frameState.setRethrowException(false); - createUnwind(); - } else if (block instanceof ExceptionDispatchBlock) { - createExceptionDispatch((ExceptionDispatchBlock) block); - } else { - frameState.setRethrowException(false); - iterateBytecodesForBlock(block); - } - indent.outdent(); - } - - private void connectLoopEndToBegin() { - for (LoopBeginNode begin : currentGraph.getNodes(LoopBeginNode.class)) { - if (begin.loopEnds().isEmpty()) { - // @formatter:off - // Remove loop header without loop ends. - // This can happen with degenerated loops like this one: - // for (;;) { - // try { - // break; - // } catch (UnresolvedException iioe) { - // } - // } - // @formatter:on - assert begin.forwardEndCount() == 1; - currentGraph.reduceDegenerateLoopBegin(begin); - } else { - GraphUtil.normalizeLoopBegin(begin); - } - } - } - - private void createUnwind() { - assert frameState.stackSize() == 1 : frameState; - ValueNode exception = frameState.apop(); - append(new FixedGuardNode(currentGraph.unique(new IsNullNode(exception)), NullCheckException, InvalidateReprofile, true)); - synchronizedEpilogue(FrameState.AFTER_EXCEPTION_BCI, null); - append(new UnwindNode(exception)); - } - - private void synchronizedEpilogue(int bci, ValueNode returnValue) { - if (Modifier.isSynchronized(method.getModifiers())) { - MonitorExitNode monitorExit = genMonitorExit(methodSynchronizedObject, returnValue); - if (returnValue != null) { - frameState.push(returnValue.kind(), returnValue); - } - monitorExit.setStateAfter(frameState.create(bci)); - assert !frameState.rethrowException(); - } - } - - private void createExceptionDispatch(ExceptionDispatchBlock block) { - assert frameState.stackSize() == 1 : frameState; - if (block.handler.isCatchAll()) { - assert block.successors.size() == 1; - appendGoto(createTarget(block.successors.get(0), frameState)); - return; - } - - JavaType catchType = block.handler.getCatchType(); - if (graphBuilderConfig.eagerResolving()) { - catchType = lookupType(block.handler.catchTypeCPI(), INSTANCEOF); - } - boolean initialized = (catchType instanceof ResolvedJavaType); - if (initialized && graphBuilderConfig.getSkippedExceptionTypes() != null) { - ResolvedJavaType resolvedCatchType = (ResolvedJavaType) catchType; - for (ResolvedJavaType skippedType : graphBuilderConfig.getSkippedExceptionTypes()) { - if (skippedType.isAssignableFrom(resolvedCatchType)) { - Block nextBlock = block.successors.size() == 1 ? unwindBlock(block.deoptBci) : block.successors.get(1); - ValueNode exception = frameState.stackAt(0); - FixedNode trueSuccessor = currentGraph.add(new DeoptimizeNode(InvalidateReprofile, UnreachedCode)); - FixedNode nextDispatch = createTarget(nextBlock, frameState); - append(new IfNode(currentGraph.unique(new InstanceOfNode((ResolvedJavaType) catchType, exception, null)), trueSuccessor, nextDispatch, 0)); - return; - } - } - } - - if (initialized) { - Block nextBlock = block.successors.size() == 1 ? unwindBlock(block.deoptBci) : block.successors.get(1); - ValueNode exception = frameState.stackAt(0); - CheckCastNode checkCast = currentGraph.add(new CheckCastNode((ResolvedJavaType) catchType, exception, null, false)); - frameState.apop(); - frameState.push(Kind.Object, checkCast); - FixedNode catchSuccessor = createTarget(block.successors.get(0), frameState); - frameState.apop(); - frameState.push(Kind.Object, exception); - FixedNode nextDispatch = createTarget(nextBlock, frameState); - checkCast.setNext(catchSuccessor); - append(new IfNode(currentGraph.unique(new InstanceOfNode((ResolvedJavaType) catchType, exception, null)), checkCast, nextDispatch, 0.5)); - } else { - handleUnresolvedExceptionType(Representation.ObjectHub, catchType); - } - } - - private void appendGoto(FixedNode target) { - if (lastInstr != null) { - lastInstr.setNext(target); - } - } - - private static boolean isBlockEnd(Node n) { - return n instanceof ControlSplitNode || n instanceof ControlSinkNode; - } - - private void iterateBytecodesForBlock(Block block) { - if (block.isLoopHeader) { - // Create the loop header block, which later will merge the backward branches of the - // loop. - AbstractEndNode preLoopEnd = currentGraph.add(new EndNode()); - LoopBeginNode loopBegin = currentGraph.add(new LoopBeginNode()); - lastInstr.setNext(preLoopEnd); - // Add the single non-loop predecessor of the loop header. - loopBegin.addForwardEnd(preLoopEnd); - lastInstr = loopBegin; - - // Create phi functions for all local variables and operand stack slots. - frameState.insertLoopPhis(loopBegin); - loopBegin.setStateAfter(frameState.create(block.startBci)); - - /* - * We have seen all forward branches. All subsequent backward branches will merge to - * the loop header. This ensures that the loop header has exactly one non-loop - * predecessor. - */ - block.firstInstruction = loopBegin; - /* - * We need to preserve the frame state builder of the loop header so that we can - * merge values for phi functions, so make a copy of it. - */ - block.entryState = frameState.copy(); - - Debug.log(" created loop header %s", loopBegin); - } - assert lastInstr.next() == null : "instructions already appended at block " + block; - Debug.log(" frameState: %s", frameState); - - int endBCI = stream.endBCI(); - - stream.setBCI(block.startBci); - int bci = block.startBci; - BytecodesParsed.add(block.endBci - bci); - - while (bci < endBCI) { - if (graphBuilderConfig.eagerInfopointMode() && lnt != null) { - currentLineNumber = lnt.getLineNumber(bci); - if (currentLineNumber != previousLineNumber) { - append(new InfopointNode(InfopointReason.LINE_NUMBER, frameState.create(bci))); - previousLineNumber = currentLineNumber; - } - } - - // read the opcode - int opcode = stream.currentBC(); - traceState(); - traceInstruction(bci, opcode, bci == block.startBci); - if (bci == entryBCI) { - if (block.jsrScope != JsrScope.EMPTY_SCOPE) { - throw new BailoutException("OSR into a JSR scope is not supported"); - } - EntryMarkerNode x = append(new EntryMarkerNode()); - frameState.insertProxies(x); - x.setStateAfter(frameState.create(bci)); - } - processBytecode(bci, opcode); - - if (lastInstr == null || isBlockEnd(lastInstr) || lastInstr.next() != null) { - break; - } - - stream.next(); - bci = stream.currentBCI(); - - if (bci > block.endBci) { - frameState.clearNonLiveLocals(currentBlock.localsLiveOut); - } - if (lastInstr instanceof StateSplit) { - if (lastInstr.getClass() == AbstractBeginNode.class) { - // BeginNodes do not need a frame state - } else { - StateSplit stateSplit = (StateSplit) lastInstr; - if (stateSplit.stateAfter() == null) { - stateSplit.setStateAfter(frameState.create(bci)); - } - } - } - if (bci < endBCI) { - if (bci > block.endBci) { - assert !block.successors.get(0).isExceptionEntry; - assert block.numNormalSuccessors() == 1; - // we fell through to the next block, add a goto and break - appendGoto(createTarget(block.successors.get(0), frameState)); - break; - } - } - } - } - - private final int traceLevel = GraphBuilderPhase.Options.TraceBytecodeParserLevel.getValue(); - - private void traceState() { - if (traceLevel >= TRACELEVEL_STATE && Debug.isLogEnabled()) { - Debug.log(String.format("| state [nr locals = %d, stack depth = %d, method = %s]", frameState.localsSize(), frameState.stackSize(), method)); - for (int i = 0; i < frameState.localsSize(); ++i) { - ValueNode value = frameState.localAt(i); - Debug.log(String.format("| local[%d] = %-8s : %s", i, value == null ? "bogus" : value.kind().getJavaName(), value)); - } - for (int i = 0; i < frameState.stackSize(); ++i) { - ValueNode value = frameState.stackAt(i); - Debug.log(String.format("| stack[%d] = %-8s : %s", i, value == null ? "bogus" : value.kind().getJavaName(), value)); - } - } - } - - private void processBytecode(int bci, int opcode) { - int cpi; - - // Checkstyle: stop - // @formatter:off - switch (opcode) { - case NOP : /* nothing to do */ break; - case ACONST_NULL : frameState.apush(appendConstant(Constant.NULL_OBJECT)); break; - case ICONST_M1 : frameState.ipush(appendConstant(Constant.INT_MINUS_1)); break; - case ICONST_0 : frameState.ipush(appendConstant(Constant.INT_0)); break; - case ICONST_1 : frameState.ipush(appendConstant(Constant.INT_1)); break; - case ICONST_2 : frameState.ipush(appendConstant(Constant.INT_2)); break; - case ICONST_3 : frameState.ipush(appendConstant(Constant.INT_3)); break; - case ICONST_4 : frameState.ipush(appendConstant(Constant.INT_4)); break; - case ICONST_5 : frameState.ipush(appendConstant(Constant.INT_5)); break; - case LCONST_0 : frameState.lpush(appendConstant(Constant.LONG_0)); break; - case LCONST_1 : frameState.lpush(appendConstant(Constant.LONG_1)); break; - case FCONST_0 : frameState.fpush(appendConstant(Constant.FLOAT_0)); break; - case FCONST_1 : frameState.fpush(appendConstant(Constant.FLOAT_1)); break; - case FCONST_2 : frameState.fpush(appendConstant(Constant.FLOAT_2)); break; - case DCONST_0 : frameState.dpush(appendConstant(Constant.DOUBLE_0)); break; - case DCONST_1 : frameState.dpush(appendConstant(Constant.DOUBLE_1)); break; - case BIPUSH : frameState.ipush(appendConstant(Constant.forInt(stream.readByte()))); break; - case SIPUSH : frameState.ipush(appendConstant(Constant.forInt(stream.readShort()))); break; - case LDC : // fall through - case LDC_W : // fall through - case LDC2_W : genLoadConstant(stream.readCPI(), opcode); break; - case ILOAD : loadLocal(stream.readLocalIndex(), Kind.Int); break; - case LLOAD : loadLocal(stream.readLocalIndex(), Kind.Long); break; - case FLOAD : loadLocal(stream.readLocalIndex(), Kind.Float); break; - case DLOAD : loadLocal(stream.readLocalIndex(), Kind.Double); break; - case ALOAD : loadLocal(stream.readLocalIndex(), Kind.Object); break; - case ILOAD_0 : // fall through - case ILOAD_1 : // fall through - case ILOAD_2 : // fall through - case ILOAD_3 : loadLocal(opcode - ILOAD_0, Kind.Int); break; - case LLOAD_0 : // fall through - case LLOAD_1 : // fall through - case LLOAD_2 : // fall through - case LLOAD_3 : loadLocal(opcode - LLOAD_0, Kind.Long); break; - case FLOAD_0 : // fall through - case FLOAD_1 : // fall through - case FLOAD_2 : // fall through - case FLOAD_3 : loadLocal(opcode - FLOAD_0, Kind.Float); break; - case DLOAD_0 : // fall through - case DLOAD_1 : // fall through - case DLOAD_2 : // fall through - case DLOAD_3 : loadLocal(opcode - DLOAD_0, Kind.Double); break; - case ALOAD_0 : // fall through - case ALOAD_1 : // fall through - case ALOAD_2 : // fall through - case ALOAD_3 : loadLocal(opcode - ALOAD_0, Kind.Object); break; - case IALOAD : genLoadIndexed(Kind.Int ); break; - case LALOAD : genLoadIndexed(Kind.Long ); break; - case FALOAD : genLoadIndexed(Kind.Float ); break; - case DALOAD : genLoadIndexed(Kind.Double); break; - case AALOAD : genLoadIndexed(Kind.Object); break; - case BALOAD : genLoadIndexed(Kind.Byte ); break; - case CALOAD : genLoadIndexed(Kind.Char ); break; - case SALOAD : genLoadIndexed(Kind.Short ); break; - case ISTORE : storeLocal(Kind.Int, stream.readLocalIndex()); break; - case LSTORE : storeLocal(Kind.Long, stream.readLocalIndex()); break; - case FSTORE : storeLocal(Kind.Float, stream.readLocalIndex()); break; - case DSTORE : storeLocal(Kind.Double, stream.readLocalIndex()); break; - case ASTORE : storeLocal(Kind.Object, stream.readLocalIndex()); break; - case ISTORE_0 : // fall through - case ISTORE_1 : // fall through - case ISTORE_2 : // fall through - case ISTORE_3 : storeLocal(Kind.Int, opcode - ISTORE_0); break; - case LSTORE_0 : // fall through - case LSTORE_1 : // fall through - case LSTORE_2 : // fall through - case LSTORE_3 : storeLocal(Kind.Long, opcode - LSTORE_0); break; - case FSTORE_0 : // fall through - case FSTORE_1 : // fall through - case FSTORE_2 : // fall through - case FSTORE_3 : storeLocal(Kind.Float, opcode - FSTORE_0); break; - case DSTORE_0 : // fall through - case DSTORE_1 : // fall through - case DSTORE_2 : // fall through - case DSTORE_3 : storeLocal(Kind.Double, opcode - DSTORE_0); break; - case ASTORE_0 : // fall through - case ASTORE_1 : // fall through - case ASTORE_2 : // fall through - case ASTORE_3 : storeLocal(Kind.Object, opcode - ASTORE_0); break; - case IASTORE : genStoreIndexed(Kind.Int ); break; - case LASTORE : genStoreIndexed(Kind.Long ); break; - case FASTORE : genStoreIndexed(Kind.Float ); break; - case DASTORE : genStoreIndexed(Kind.Double); break; - case AASTORE : genStoreIndexed(Kind.Object); break; - case BASTORE : genStoreIndexed(Kind.Byte ); break; - case CASTORE : genStoreIndexed(Kind.Char ); break; - case SASTORE : genStoreIndexed(Kind.Short ); break; - case POP : // fall through - case POP2 : // fall through - case DUP : // fall through - case DUP_X1 : // fall through - case DUP_X2 : // fall through - case DUP2 : // fall through - case DUP2_X1 : // fall through - case DUP2_X2 : // fall through - case SWAP : stackOp(opcode); break; - case IADD : // fall through - case ISUB : // fall through - case IMUL : genArithmeticOp(Kind.Int, opcode); break; - case IDIV : // fall through - case IREM : genIntegerDivOp(Kind.Int, opcode); break; - case LADD : // fall through - case LSUB : // fall through - case LMUL : genArithmeticOp(Kind.Long, opcode); break; - case LDIV : // fall through - case LREM : genIntegerDivOp(Kind.Long, opcode); break; - case FADD : // fall through - case FSUB : // fall through - case FMUL : // fall through - case FDIV : // fall through - case FREM : genArithmeticOp(Kind.Float, opcode); break; - case DADD : // fall through - case DSUB : // fall through - case DMUL : // fall through - case DDIV : // fall through - case DREM : genArithmeticOp(Kind.Double, opcode); break; - case INEG : genNegateOp(Kind.Int); break; - case LNEG : genNegateOp(Kind.Long); break; - case FNEG : genNegateOp(Kind.Float); break; - case DNEG : genNegateOp(Kind.Double); break; - case ISHL : // fall through - case ISHR : // fall through - case IUSHR : genShiftOp(Kind.Int, opcode); break; - case IAND : // fall through - case IOR : // fall through - case IXOR : genLogicOp(Kind.Int, opcode); break; - case LSHL : // fall through - case LSHR : // fall through - case LUSHR : genShiftOp(Kind.Long, opcode); break; - case LAND : // fall through - case LOR : // fall through - case LXOR : genLogicOp(Kind.Long, opcode); break; - case IINC : genIncrement(); break; - case I2F : genFloatConvert(FloatConvert.I2F, Kind.Int, Kind.Float); break; - case I2D : genFloatConvert(FloatConvert.I2D, Kind.Int, Kind.Double); break; - case L2F : genFloatConvert(FloatConvert.L2F, Kind.Long, Kind.Float); break; - case L2D : genFloatConvert(FloatConvert.L2D, Kind.Long, Kind.Double); break; - case F2I : genFloatConvert(FloatConvert.F2I, Kind.Float, Kind.Int); break; - case F2L : genFloatConvert(FloatConvert.F2L, Kind.Float, Kind.Long); break; - case F2D : genFloatConvert(FloatConvert.F2D, Kind.Float, Kind.Double); break; - case D2I : genFloatConvert(FloatConvert.D2I, Kind.Double, Kind.Int); break; - case D2L : genFloatConvert(FloatConvert.D2L, Kind.Double, Kind.Long); break; - case D2F : genFloatConvert(FloatConvert.D2F, Kind.Double, Kind.Float); break; - case L2I : genNarrow(Kind.Long, Kind.Int); break; - case I2L : genSignExtend(Kind.Int, Kind.Long); break; - case I2B : genSignExtend(Kind.Byte, Kind.Int); break; - case I2S : genSignExtend(Kind.Short, Kind.Int); break; - case I2C : genZeroExtend(Kind.Char, Kind.Int); break; - case LCMP : genCompareOp(Kind.Long, false); break; - case FCMPL : genCompareOp(Kind.Float, true); break; - case FCMPG : genCompareOp(Kind.Float, false); break; - case DCMPL : genCompareOp(Kind.Double, true); break; - case DCMPG : genCompareOp(Kind.Double, false); break; - case IFEQ : genIfZero(Condition.EQ); break; - case IFNE : genIfZero(Condition.NE); break; - case IFLT : genIfZero(Condition.LT); break; - case IFGE : genIfZero(Condition.GE); break; - case IFGT : genIfZero(Condition.GT); break; - case IFLE : genIfZero(Condition.LE); break; - case IF_ICMPEQ : genIfSame(Kind.Int, Condition.EQ); break; - case IF_ICMPNE : genIfSame(Kind.Int, Condition.NE); break; - case IF_ICMPLT : genIfSame(Kind.Int, Condition.LT); break; - case IF_ICMPGE : genIfSame(Kind.Int, Condition.GE); break; - case IF_ICMPGT : genIfSame(Kind.Int, Condition.GT); break; - case IF_ICMPLE : genIfSame(Kind.Int, Condition.LE); break; - case IF_ACMPEQ : genIfSame(Kind.Object, Condition.EQ); break; - case IF_ACMPNE : genIfSame(Kind.Object, Condition.NE); break; - case GOTO : genGoto(); break; - case JSR : genJsr(stream.readBranchDest()); break; - case RET : genRet(stream.readLocalIndex()); break; - case TABLESWITCH : genSwitch(new BytecodeTableSwitch(stream(), bci())); break; - case LOOKUPSWITCH : genSwitch(new BytecodeLookupSwitch(stream(), bci())); break; - case IRETURN : genReturn(frameState.ipop()); break; - case LRETURN : genReturn(frameState.lpop()); break; - case FRETURN : genReturn(frameState.fpop()); break; - case DRETURN : genReturn(frameState.dpop()); break; - case ARETURN : genReturn(frameState.apop()); break; - case RETURN : genReturn(null); break; - case GETSTATIC : cpi = stream.readCPI(); genGetStatic(lookupField(cpi, opcode)); break; - case PUTSTATIC : cpi = stream.readCPI(); genPutStatic(lookupField(cpi, opcode)); break; - case GETFIELD : cpi = stream.readCPI(); genGetField(lookupField(cpi, opcode)); break; - case PUTFIELD : cpi = stream.readCPI(); genPutField(lookupField(cpi, opcode)); break; - case INVOKEVIRTUAL : cpi = stream.readCPI(); genInvokeVirtual(lookupMethod(cpi, opcode)); break; - case INVOKESPECIAL : cpi = stream.readCPI(); genInvokeSpecial(lookupMethod(cpi, opcode)); break; - case INVOKESTATIC : cpi = stream.readCPI(); genInvokeStatic(lookupMethod(cpi, opcode)); break; - case INVOKEINTERFACE: cpi = stream.readCPI(); genInvokeInterface(lookupMethod(cpi, opcode)); break; - case INVOKEDYNAMIC : cpi = stream.readCPI4(); genInvokeDynamic(lookupMethod(cpi, opcode)); break; - case NEW : genNewInstance(stream.readCPI()); break; - case NEWARRAY : genNewPrimitiveArray(stream.readLocalIndex()); break; - case ANEWARRAY : genNewObjectArray(stream.readCPI()); break; - case ARRAYLENGTH : genArrayLength(); break; - case ATHROW : genThrow(); break; - case CHECKCAST : genCheckCast(); break; - case INSTANCEOF : genInstanceOf(); break; - case MONITORENTER : genMonitorEnter(frameState.apop()); break; - case MONITOREXIT : genMonitorExit(frameState.apop(), null); break; - case MULTIANEWARRAY : genNewMultiArray(stream.readCPI()); break; - case IFNULL : genIfNull(Condition.EQ); break; - case IFNONNULL : genIfNull(Condition.NE); break; - case GOTO_W : genGoto(); break; - case JSR_W : genJsr(stream.readBranchDest()); break; - case BREAKPOINT: - throw new BailoutException("concurrent setting of breakpoint"); - default: - throw new BailoutException("Unsupported opcode " + opcode + " (" + nameOf(opcode) + ") [bci=" + bci + "]"); - } - // @formatter:on - // Checkstyle: resume - } - - private void traceInstruction(int bci, int opcode, boolean blockStart) { - if (traceLevel >= TRACELEVEL_INSTRUCTIONS && Debug.isLogEnabled()) { - StringBuilder sb = new StringBuilder(40); - sb.append(blockStart ? '+' : '|'); - if (bci < 10) { - sb.append(" "); - } else if (bci < 100) { - sb.append(' '); - } - sb.append(bci).append(": ").append(Bytecodes.nameOf(opcode)); - for (int i = bci + 1; i < stream.nextBCI(); ++i) { - sb.append(' ').append(stream.readUByte(i)); - } - if (!currentBlock.jsrScope.isEmpty()) { - sb.append(' ').append(currentBlock.jsrScope); - } - Debug.log(sb.toString()); - } - } - - private void genArrayLength() { - frameState.ipush(append(new ArrayLengthNode(frameState.apop()))); - } - } -}
--- a/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/GraalOptions.java Wed Mar 05 11:24:42 2014 +0100 +++ b/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/GraalOptions.java Wed Mar 05 13:56:04 2014 +0100 @@ -30,8 +30,8 @@ // @formatter:off public final class GraalOptions { - @Option(help = "Enable direct LIR generation") - public static final OptionValue<Boolean> UseLIRBuilder = new OptionValue<>(false); + @Option(help = "Use baseline compiler configuration") + public static final OptionValue<Boolean> UseBaselineCompiler = new OptionValue<>(false); @Option(help = "Enable use of compiler intrinsics") public static final OptionValue<Boolean> Intrinsify = new OptionValue<>(true); @Option(help = "Enable inlining of monomorphic calls")
--- a/mx/projects Wed Mar 05 11:24:42 2014 +0100 +++ b/mx/projects Wed Mar 05 13:56:04 2014 +0100 @@ -471,6 +471,14 @@ project@com.oracle.graal.java@javaCompliance=1.7 project@com.oracle.graal.java@workingSets=Graal,Java +# graal.baseline +project@com.oracle.graal.baseline@subDir=graal +project@com.oracle.graal.baseline@sourceDirs=src +project@com.oracle.graal.baseline@dependencies=com.oracle.graal.java,com.oracle.graal.lir +project@com.oracle.graal.baseline@checkstyle=com.oracle.graal.graph +project@com.oracle.graal.baseline@javaCompliance=1.7 +project@com.oracle.graal.baseline@workingSets=Graal,Java + # graal.java.decompiler project@com.oracle.graal.java.decompiler@subDir=graal project@com.oracle.graal.java.decompiler@sourceDirs=src @@ -506,7 +514,7 @@ # graal.compiler.test project@com.oracle.graal.compiler.test@subDir=graal project@com.oracle.graal.compiler.test@sourceDirs=src -project@com.oracle.graal.compiler.test@dependencies=com.oracle.graal.test,com.oracle.graal.printer,com.oracle.graal.runtime +project@com.oracle.graal.compiler.test@dependencies=com.oracle.graal.test,com.oracle.graal.printer,com.oracle.graal.runtime,com.oracle.graal.baseline project@com.oracle.graal.compiler.test@checkstyle=com.oracle.graal.graph project@com.oracle.graal.compiler.test@javaCompliance=1.7 project@com.oracle.graal.compiler.test@workingSets=Graal,Test