https://www.graalvm.org/ 
public class com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider extends com.oracle.svm.core.graal.meta.SubstrateBasicLoweringProvider implements org.graalvm.compiler.core.amd64.AMD64LoweringProviderMixin
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider
  super_class: com.oracle.svm.core.graal.meta.SubstrateBasicLoweringProvider
{
  public void <init>(jdk.vm.ci.meta.MetaAccessProvider, org.graalvm.compiler.core.common.spi.ForeignCallsProvider, org.graalvm.compiler.nodes.spi.PlatformConfigurationProvider, org.graalvm.compiler.core.common.spi.MetaAccessExtensionProvider, jdk.vm.ci.code.TargetDescription);
    descriptor: (Ljdk/vm/ci/meta/MetaAccessProvider;Lorg/graalvm/compiler/core/common/spi/ForeignCallsProvider;Lorg/graalvm/compiler/nodes/spi/PlatformConfigurationProvider;Lorg/graalvm/compiler/core/common/spi/MetaAccessExtensionProvider;Ljdk/vm/ci/code/TargetDescription;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=6
        start local 0 // com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider this
        start local 1 // jdk.vm.ci.meta.MetaAccessProvider metaAccess
        start local 2 // org.graalvm.compiler.core.common.spi.ForeignCallsProvider foreignCalls
        start local 3 // org.graalvm.compiler.nodes.spi.PlatformConfigurationProvider platformConfig
        start local 4 // org.graalvm.compiler.core.common.spi.MetaAccessExtensionProvider metaAccessExtensionProvider
        start local 5 // jdk.vm.ci.code.TargetDescription target
         0: .line 50
            aload 0 /* this */
            aload 1 /* metaAccess */
            aload 2 /* foreignCalls */
            aload 3 /* platformConfig */
            aload 4 /* metaAccessExtensionProvider */
            aload 5 /* target */
            invokespecial com.oracle.svm.core.graal.meta.SubstrateBasicLoweringProvider.<init>:(Ljdk/vm/ci/meta/MetaAccessProvider;Lorg/graalvm/compiler/core/common/spi/ForeignCallsProvider;Lorg/graalvm/compiler/nodes/spi/PlatformConfigurationProvider;Lorg/graalvm/compiler/core/common/spi/MetaAccessExtensionProvider;Ljdk/vm/ci/code/TargetDescription;)V
         1: .line 51
            return
        end local 5 // jdk.vm.ci.code.TargetDescription target
        end local 4 // org.graalvm.compiler.core.common.spi.MetaAccessExtensionProvider metaAccessExtensionProvider
        end local 3 // org.graalvm.compiler.nodes.spi.PlatformConfigurationProvider platformConfig
        end local 2 // org.graalvm.compiler.core.common.spi.ForeignCallsProvider foreignCalls
        end local 1 // jdk.vm.ci.meta.MetaAccessProvider metaAccess
        end local 0 // com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider this
      LocalVariableTable:
        Start  End  Slot                         Name  Signature
            0    2     0                         this  Lcom/oracle/svm/core/graal/amd64/SubstrateAMD64LoweringProvider;
            0    2     1                   metaAccess  Ljdk/vm/ci/meta/MetaAccessProvider;
            0    2     2                 foreignCalls  Lorg/graalvm/compiler/core/common/spi/ForeignCallsProvider;
            0    2     3               platformConfig  Lorg/graalvm/compiler/nodes/spi/PlatformConfigurationProvider;
            0    2     4  metaAccessExtensionProvider  Lorg/graalvm/compiler/core/common/spi/MetaAccessExtensionProvider;
            0    2     5                       target  Ljdk/vm/ci/code/TargetDescription;
    MethodParameters:
                             Name  Flags
      metaAccess                   
      foreignCalls                 
      platformConfig               
      metaAccessExtensionProvider  
      target                       

  public void lower(org.graalvm.compiler.graph.Node, org.graalvm.compiler.nodes.spi.LoweringTool);
    descriptor: (Lorg/graalvm/compiler/graph/Node;Lorg/graalvm/compiler/nodes/spi/LoweringTool;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=3
        start local 0 // com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider this
        start local 1 // org.graalvm.compiler.graph.Node n
        start local 2 // org.graalvm.compiler.nodes.spi.LoweringTool tool
         0: .line 57
            aload 0 /* this */
            invokevirtual com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider.getLowerings:()Ljava/util/Map;
            aload 1 /* n */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.svm.core.graal.snippets.NodeLoweringProvider
            astore 3 /* lowering */
        start local 3 // com.oracle.svm.core.graal.snippets.NodeLoweringProvider lowering
         1: .line 58
            aload 3 /* lowering */
            ifnull 4
         2: .line 59
            aload 3 /* lowering */
            aload 1 /* n */
            aload 2 /* tool */
            invokeinterface com.oracle.svm.core.graal.snippets.NodeLoweringProvider.lower:(Lorg/graalvm/compiler/graph/Node;Lorg/graalvm/compiler/nodes/spi/LoweringTool;)V
         3: .line 60
            goto 13
      StackMap locals: com.oracle.svm.core.graal.snippets.NodeLoweringProvider
      StackMap stack:
         4: aload 1 /* n */
            instanceof org.graalvm.compiler.nodes.calc.RemNode
            ifne 13
         5: .line 62
            aload 1 /* n */
            instanceof com.oracle.svm.core.nodes.CodeSynchronizationNode
            ifeq 9
         6: .line 64
            aload 1 /* n */
            checkcast com.oracle.svm.core.nodes.CodeSynchronizationNode
            astore 4 /* syncNode */
        start local 4 // com.oracle.svm.core.nodes.CodeSynchronizationNode syncNode
         7: .line 65
            aload 4 /* syncNode */
            invokevirtual com.oracle.svm.core.nodes.CodeSynchronizationNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            aload 4 /* syncNode */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.removeFixed:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;)V
        end local 4 // com.oracle.svm.core.nodes.CodeSynchronizationNode syncNode
         8: .line 66
            goto 13
      StackMap locals:
      StackMap stack:
         9: aload 1 /* n */
            instanceof org.graalvm.compiler.replacements.amd64.AMD64ArrayIndexOfDispatchNode
            ifeq 12
        10: .line 67
            aload 0 /* this */
            aload 1 /* n */
            checkcast org.graalvm.compiler.replacements.amd64.AMD64ArrayIndexOfDispatchNode
            invokevirtual com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider.lowerArrayIndexOf:(Lorg/graalvm/compiler/replacements/amd64/AMD64ArrayIndexOfDispatchNode;)V
        11: .line 68
            goto 13
        12: .line 69
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* n */
            aload 2 /* tool */
            invokespecial com.oracle.svm.core.graal.meta.SubstrateBasicLoweringProvider.lower:(Lorg/graalvm/compiler/graph/Node;Lorg/graalvm/compiler/nodes/spi/LoweringTool;)V
        13: .line 71
      StackMap locals:
      StackMap stack:
            return
        end local 3 // com.oracle.svm.core.graal.snippets.NodeLoweringProvider lowering
        end local 2 // org.graalvm.compiler.nodes.spi.LoweringTool tool
        end local 1 // org.graalvm.compiler.graph.Node n
        end local 0 // com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   14     0      this  Lcom/oracle/svm/core/graal/amd64/SubstrateAMD64LoweringProvider;
            0   14     1         n  Lorg/graalvm/compiler/graph/Node;
            0   14     2      tool  Lorg/graalvm/compiler/nodes/spi/LoweringTool;
            1   14     3  lowering  Lcom/oracle/svm/core/graal/snippets/NodeLoweringProvider;
            7    8     4  syncNode  Lcom/oracle/svm/core/nodes/CodeSynchronizationNode;
    MethodParameters:
      Name  Flags
      n     
      tool  

  private void lowerArrayIndexOf(org.graalvm.compiler.replacements.amd64.AMD64ArrayIndexOfDispatchNode);
    descriptor: (Lorg/graalvm/compiler/replacements/amd64/AMD64ArrayIndexOfDispatchNode;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=4, args_size=2
        start local 0 // com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider this
        start local 1 // org.graalvm.compiler.replacements.amd64.AMD64ArrayIndexOfDispatchNode dispatchNode
         0: .line 74
            aload 1 /* dispatchNode */
            invokevirtual org.graalvm.compiler.replacements.amd64.AMD64ArrayIndexOfDispatchNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            astore 2 /* graph */
        start local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
         1: .line 75
            aload 2 /* graph */
            new org.graalvm.compiler.nodes.extended.ForeignCallNode
            dup
            aload 0 /* this */
            getfield com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider.foreignCalls:Lorg/graalvm/compiler/core/common/spi/ForeignCallsProvider;
            aload 1 /* dispatchNode */
            invokevirtual org.graalvm.compiler.replacements.amd64.AMD64ArrayIndexOfDispatchNode.getStubCallDescriptor:()Lorg/graalvm/compiler/core/common/spi/ForeignCallSignature;
            aload 1 /* dispatchNode */
            invokevirtual org.graalvm.compiler.replacements.amd64.AMD64ArrayIndexOfDispatchNode.getStubCallArgs:()[Lorg/graalvm/compiler/nodes/ValueNode;
            invokespecial org.graalvm.compiler.nodes.extended.ForeignCallNode.<init>:(Lorg/graalvm/compiler/core/common/spi/ForeignCallsProvider;Lorg/graalvm/compiler/core/common/spi/ForeignCallSignature;[Lorg/graalvm/compiler/nodes/ValueNode;)V
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.add:(Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
            checkcast org.graalvm.compiler.nodes.extended.ForeignCallNode
            astore 3 /* call */
        start local 3 // org.graalvm.compiler.nodes.extended.ForeignCallNode call
         2: .line 76
            aload 2 /* graph */
            aload 1 /* dispatchNode */
            aload 3 /* call */
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.replaceFixed:(Lorg/graalvm/compiler/nodes/FixedWithNextNode;Lorg/graalvm/compiler/graph/Node;)V
         3: .line 77
            return
        end local 3 // org.graalvm.compiler.nodes.extended.ForeignCallNode call
        end local 2 // org.graalvm.compiler.nodes.StructuredGraph graph
        end local 1 // org.graalvm.compiler.replacements.amd64.AMD64ArrayIndexOfDispatchNode dispatchNode
        end local 0 // com.oracle.svm.core.graal.amd64.SubstrateAMD64LoweringProvider this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    4     0          this  Lcom/oracle/svm/core/graal/amd64/SubstrateAMD64LoweringProvider;
            0    4     1  dispatchNode  Lorg/graalvm/compiler/replacements/amd64/AMD64ArrayIndexOfDispatchNode;
            1    4     2         graph  Lorg/graalvm/compiler/nodes/StructuredGraph;
            2    4     3          call  Lorg/graalvm/compiler/nodes/extended/ForeignCallNode;
    MethodParameters:
              Name  Flags
      dispatchNode  
}
SourceFile: "SubstrateAMD64LoweringProvider.java"