Package com.facebook.presto.byteCode.control.LookupSwitch

Examples of com.facebook.presto.byteCode.control.LookupSwitch.LookupSwitchBuilder

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        LabelNode defaultLabel = new LabelNode("default");

        ByteCodeNode switchBlock;
        if (constantValues.size() < 1000) {
            Block switchCaseBlocks = new Block(context);
            LookupSwitchBuilder switchBuilder = lookupSwitchBuilder();
            for (Entry<Integer, Collection<ByteCodeNode>> bucket : hashBuckets.asMap().entrySet()) {
                LabelNode label = new LabelNode("inHash" + bucket.getKey());
                switchBuilder.addCase(bucket.getKey(), label);
                Collection<ByteCodeNode> testValues = bucket.getValue();

                Block caseBlock = buildInCase(context, type, label, match, defaultLabel, testValues, false);
                switchCaseBlocks
                        .append(caseBlock.setDescription("case " + bucket.getKey()));
            }
            switchBuilder.defaultCase(defaultLabel);

            switchBlock = new Block(context)
                    .comment("lookupSwitch(hashCode(<stackValue>))")
                    .dup(javaType)
                    .invokeDynamic(hashCodeFunction.getName(), hashCodeFunction.getCallSite().type(), hashCodeFunction.getBindingId())
                    .append(switchBuilder.build())
                    .append(switchCaseBlocks);
        }
        else {
            // for huge IN lists, use a Set
            FunctionBinding functionBinding = bootstrapFunctionBinder.bindFunction(
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        LabelNode defaultLabel = new LabelNode("default");

        ByteCodeNode switchBlock;
        if (constantValues.size() < 1000) {
            Block switchCaseBlocks = new Block(context);
            LookupSwitchBuilder switchBuilder = lookupSwitchBuilder();
            for (Entry<Integer, Collection<ByteCodeNode>> bucket : hashBuckets.asMap().entrySet()) {
                LabelNode label = new LabelNode("inHash" + bucket.getKey());
                switchBuilder.addCase(bucket.getKey(), label);
                Collection<ByteCodeNode> testValues = bucket.getValue();

                Block caseBlock = buildInCase(context, type, label, match, defaultLabel, testValues, false);
                switchCaseBlocks
                        .append(caseBlock.setDescription("case " + bucket.getKey()));
            }
            switchBuilder.defaultCase(defaultLabel);

            switchBlock = new Block(context)
                    .comment("lookupSwitch(hashCode(<stackValue>))")
                    .dup(javaType)
                    .invokeDynamic(hashCodeFunction.getName(), hashCodeFunction.getCallSite().type(), hashCodeFunction.getBindingId())
                    .append(switchBuilder.build())
                    .append(switchCaseBlocks);
        }
        else {
            // for huge IN lists, use a Set
            FunctionBinding functionBinding = bootstrapFunctionBinder.bindFunction(
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        LabelNode defaultLabel = new LabelNode("default");

        ByteCodeNode switchBlock;
        if (constantValues.size() < 1000) {
            Block switchCaseBlocks = new Block(context);
            LookupSwitchBuilder switchBuilder = lookupSwitchBuilder();
            for (Entry<Integer, Collection<TypedByteCodeNode>> bucket : hashBuckets.asMap().entrySet()) {
                LabelNode label = new LabelNode("inHash" + bucket.getKey());
                switchBuilder.addCase(bucket.getKey(), label);
                Collection<TypedByteCodeNode> testValues = bucket.getValue();

                Block caseBlock = buildInCase(context, type, label, match, defaultLabel, testValues, false);
                switchCaseBlocks
                        .append(caseBlock.setDescription("case " + bucket.getKey()));
            }
            switchBuilder.defaultCase(defaultLabel);

            switchBlock = new Block(context)
                    .comment("lookupSwitch(hashCode(<stackValue>))")
                    .dup(type)
                    .invokeStatic(Operations.class, "hashCode", int.class, type)
                    .append(switchBuilder.build())
                    .append(switchCaseBlocks);
        }
        else {
            // for huge IN lists, use a Set
            FunctionBinding functionBinding = bootstrapFunctionBinder.bindFunction(
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        LabelNode defaultLabel = new LabelNode("default");

        ByteCodeNode switchBlock;
        if (constantValues.size() < 1000) {
            Block switchCaseBlocks = new Block(context);
            LookupSwitchBuilder switchBuilder = lookupSwitchBuilder();
            for (Entry<Integer, Collection<ByteCodeNode>> bucket : hashBuckets.asMap().entrySet()) {
                LabelNode label = new LabelNode("inHash" + bucket.getKey());
                switchBuilder.addCase(bucket.getKey(), label);
                Collection<ByteCodeNode> testValues = bucket.getValue();

                Block caseBlock = buildInCase(context, type, label, match, defaultLabel, testValues, false);
                switchCaseBlocks
                        .append(caseBlock.setDescription("case " + bucket.getKey()));
            }
            switchBuilder.defaultCase(defaultLabel);

            switchBlock = new Block(context)
                    .comment("lookupSwitch(hashCode(<stackValue>))")
                    .dup(javaType)
                    .invokeDynamic(hashCodeFunction.getName(), hashCodeFunction.getCallSite().type(), hashCodeFunction.getBindingId())
                    .append(switchBuilder.build())
                    .append(switchCaseBlocks);
        }
        else {
            // for huge IN lists, use a Set
            FunctionBinding functionBinding = bootstrapFunctionBinder.bindFunction(
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        LabelNode defaultLabel = new LabelNode("default");

        ByteCodeNode switchBlock;
        if (constantValues.size() < 1000) {
            Block switchCaseBlocks = new Block(context);
            LookupSwitchBuilder switchBuilder = lookupSwitchBuilder();
            for (Entry<Integer, Collection<TypedByteCodeNode>> bucket : hashBuckets.asMap().entrySet()) {
                LabelNode label = new LabelNode("inHash" + bucket.getKey());
                switchBuilder.addCase(bucket.getKey(), label);
                Collection<TypedByteCodeNode> testValues = bucket.getValue();

                Block caseBlock = buildInCase(context, type, label, match, defaultLabel, testValues, false);
                switchCaseBlocks
                        .append(caseBlock.setDescription("case " + bucket.getKey()));
            }
            switchBuilder.defaultCase(defaultLabel);

            switchBlock = new Block(context)
                    .comment("lookupSwitch(hashCode(<stackValue>))")
                    .dup(type)
                    .invokeStatic(Operations.class, "hashCode", int.class, type)
                    .append(switchBuilder.build())
                    .append(switchCaseBlocks);
        }
        else {
            // for huge IN lists, use a Set
            FunctionBinding functionBinding = bootstrapFunctionBinder.bindFunction(
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Related Classes of com.facebook.presto.byteCode.control.LookupSwitch.LookupSwitchBuilder

  • com.facebook.presto.sql.gen.ByteCodeExpressionVisitor
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