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package org.graalvm.compiler.hotspot.aarch64;

import org.graalvm.compiler.core.aarch64.AArch64LoweringProviderMixin;

import org.graalvm.compiler.core.common.spi.ForeignCallsProvider;

import org.graalvm.compiler.debug.DebugHandlersFactory;

import org.graalvm.compiler.graph.Node;

import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;

import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;

import org.graalvm.compiler.hotspot.meta.DefaultHotSpotLoweringProvider;

import org.graalvm.compiler.hotspot.meta.HotSpotProviders;

import org.graalvm.compiler.hotspot.meta.HotSpotRegistersProvider;

import org.graalvm.compiler.nodes.calc.FloatConvertNode;

import org.graalvm.compiler.nodes.calc.IntegerDivRemNode;

import org.graalvm.compiler.nodes.calc.RemNode;

import org.graalvm.compiler.nodes.spi.LoweringTool;

import org.graalvm.compiler.options.OptionValues;

import org.graalvm.compiler.replacements.aarch64.AArch64FloatArithmeticSnippets;

import org.graalvm.compiler.replacements.aarch64.AArch64IntegerArithmeticSnippets;

import jdk.vm.ci.code.TargetDescription;

import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;

import jdk.vm.ci.meta.MetaAccessProvider;

public class AArch64HotSpotLoweringProvider extends DefaultHotSpotLoweringProvider implements AArch64LoweringProviderMixin {

    private AArch64IntegerArithmeticSnippets integerArithmeticSnippets;

    private AArch64FloatArithmeticSnippets floatArithmeticSnippets;

    public AArch64HotSpotLoweringProvider(HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, ForeignCallsProvider foreignCalls, HotSpotRegistersProvider registers,

                    HotSpotConstantReflectionProvider constantReflection, TargetDescription target) {

        super(runtime, metaAccess, foreignCalls, registers, constantReflection, target);

    }

    @Override

    public void initialize(OptionValues options, Iterable<DebugHandlersFactory> factories, HotSpotProviders providers, GraalHotSpotVMConfig config) {

        integerArithmeticSnippets = new AArch64IntegerArithmeticSnippets(options, factories, providers, providers.getSnippetReflection(), providers.getCodeCache().getTarget());

        floatArithmeticSnippets = new AArch64FloatArithmeticSnippets(options, factories, providers, providers.getSnippetReflection(), providers.getCodeCache().getTarget());

        super.initialize(options, factories, providers, config);

    }

    @Override

    public void lower(Node n, LoweringTool tool) {

        if (n instanceof IntegerDivRemNode) {

            integerArithmeticSnippets.lower((IntegerDivRemNode) n, tool);

        } else if (n instanceof RemNode) {

            floatArithmeticSnippets.lower((RemNode) n, tool);

        } else if (n instanceof FloatConvertNode) {

            // AMD64 has custom lowerings for ConvertNodes, HotSpotLoweringProvider does not expect

            // to see a ConvertNode and throws an error, just do nothing here.

        } else {

            super.lower(n, tool);

        }

    }

}