https://www.graalvm.org/ 
class com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering implements com.oracle.svm.core.graal.snippets.NodeLoweringProvider<com.oracle.svm.core.classinitialization.EnsureClassInitializedNode>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering
  super_class: java.lang.Object
{
  private final org.graalvm.compiler.replacements.SnippetTemplate$SnippetInfo ensureClassIsInitialized;
    descriptor: Lorg/graalvm/compiler/replacements/SnippetTemplate$SnippetInfo;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  final com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets this$0;
    descriptor: Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets);
    descriptor: (Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets;)V
    flags: (0x0000) 
    Code:
      stack=8, locals=2, args_size=2
        start local 0 // com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering this
         0: .line 91
            aload 0 /* this */
            aload 1
            putfield com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering.this$0:Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 92
            aload 0 /* this */
            aload 1
            ldc Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets;
            ldc "ensureClassIsInitializedSnippet"
            iconst_1
            anewarray org.graalvm.word.LocationIdentity
            dup
            iconst_0
            invokestatic org.graalvm.word.LocationIdentity.any:()Lorg/graalvm/word/LocationIdentity;
            aastore
            invokestatic com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets.access$0:(Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets;Ljava/lang/Class;Ljava/lang/String;[Lorg/graalvm/word/LocationIdentity;)Lorg/graalvm/compiler/replacements/SnippetTemplate$SnippetInfo;
            putfield com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering.ensureClassIsInitialized:Lorg/graalvm/compiler/replacements/SnippetTemplate$SnippetInfo;
         2: .line 91
            return
        end local 0 // com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering;
    MethodParameters:
        Name  Flags
      this$0  final

  public void lower(com.oracle.svm.core.classinitialization.EnsureClassInitializedNode, org.graalvm.compiler.nodes.spi.LoweringTool);
    descriptor: (Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedNode;Lorg/graalvm/compiler/nodes/spi/LoweringTool;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering this
        start local 1 // com.oracle.svm.core.classinitialization.EnsureClassInitializedNode node
        start local 2 // org.graalvm.compiler.nodes.spi.LoweringTool tool
         0: .line 96
            new org.graalvm.compiler.replacements.SnippetTemplate$Arguments
            dup
            aload 0 /* this */
            getfield com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering.ensureClassIsInitialized:Lorg/graalvm/compiler/replacements/SnippetTemplate$SnippetInfo;
            aload 1 /* node */
            invokevirtual com.oracle.svm.core.classinitialization.EnsureClassInitializedNode.graph:()Lorg/graalvm/compiler/nodes/StructuredGraph;
            invokevirtual org.graalvm.compiler.nodes.StructuredGraph.getGuardsStage:()Lorg/graalvm/compiler/nodes/StructuredGraph$GuardsStage;
            aload 2 /* tool */
            invokeinterface org.graalvm.compiler.nodes.spi.LoweringTool.getLoweringStage:()Lorg/graalvm/compiler/nodes/spi/LoweringTool$LoweringStage;
            invokespecial org.graalvm.compiler.replacements.SnippetTemplate$Arguments.<init>:(Lorg/graalvm/compiler/replacements/SnippetTemplate$SnippetInfo;Lorg/graalvm/compiler/nodes/StructuredGraph$GuardsStage;Lorg/graalvm/compiler/nodes/spi/LoweringTool$LoweringStage;)V
            astore 3 /* args */
        start local 3 // org.graalvm.compiler.replacements.SnippetTemplate$Arguments args
         1: .line 97
            aload 3 /* args */
            ldc "hub"
            aload 1 /* node */
            invokevirtual com.oracle.svm.core.classinitialization.EnsureClassInitializedNode.getHub:()Lorg/graalvm/compiler/nodes/ValueNode;
            invokevirtual org.graalvm.compiler.replacements.SnippetTemplate$Arguments.add:(Ljava/lang/String;Ljava/lang/Object;)Lorg/graalvm/compiler/replacements/SnippetTemplate$Arguments;
            pop
         2: .line 98
            aload 0 /* this */
            getfield com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering.this$0:Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets;
            aload 1 /* node */
            aload 3 /* args */
            invokevirtual com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets.template:(Lorg/graalvm/compiler/nodes/ValueNode;Lorg/graalvm/compiler/replacements/SnippetTemplate$Arguments;)Lorg/graalvm/compiler/replacements/SnippetTemplate;
            aload 0 /* this */
            getfield com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering.this$0:Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets;
            invokestatic com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets.access$1:(Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets;)Lorg/graalvm/compiler/phases/util/Providers;
            invokevirtual org.graalvm.compiler.phases.util.Providers.getMetaAccess:()Ljdk/vm/ci/meta/MetaAccessProvider;
            aload 1 /* node */
            getstatic org.graalvm.compiler.replacements.SnippetTemplate.DEFAULT_REPLACER:Lorg/graalvm/compiler/replacements/SnippetTemplate$UsageReplacer;
            aload 3 /* args */
            invokevirtual org.graalvm.compiler.replacements.SnippetTemplate.instantiate:(Ljdk/vm/ci/meta/MetaAccessProvider;Lorg/graalvm/compiler/nodes/FixedNode;Lorg/graalvm/compiler/replacements/SnippetTemplate$UsageReplacer;Lorg/graalvm/compiler/replacements/SnippetTemplate$Arguments;)Lorg/graalvm/collections/UnmodifiableEconomicMap;
            pop
         3: .line 99
            return
        end local 3 // org.graalvm.compiler.replacements.SnippetTemplate$Arguments args
        end local 2 // org.graalvm.compiler.nodes.spi.LoweringTool tool
        end local 1 // com.oracle.svm.core.classinitialization.EnsureClassInitializedNode node
        end local 0 // com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering;
            0    4     1  node  Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedNode;
            0    4     2  tool  Lorg/graalvm/compiler/nodes/spi/LoweringTool;
            1    4     3  args  Lorg/graalvm/compiler/replacements/SnippetTemplate$Arguments;
    MethodParameters:
      Name  Flags
      node  
      tool  

  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: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            aload 1
            checkcast com.oracle.svm.core.classinitialization.EnsureClassInitializedNode
            aload 2
            invokevirtual com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering.lower:(Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedNode;Lorg/graalvm/compiler/nodes/spi/LoweringTool;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Lcom/oracle/svm/core/graal/snippets/NodeLoweringProvider<Lcom/oracle/svm/core/classinitialization/EnsureClassInitializedNode;>;
SourceFile: "EnsureClassInitializedSnippets.java"
NestHost: com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets
InnerClasses:
  EnsureClassInitializedNodeLowering = com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets$EnsureClassInitializedNodeLowering of com.oracle.svm.core.classinitialization.EnsureClassInitializedSnippets
  public final GuardsStage = org.graalvm.compiler.nodes.StructuredGraph$GuardsStage of org.graalvm.compiler.nodes.StructuredGraph
  public abstract LoweringStage = org.graalvm.compiler.nodes.spi.LoweringTool$LoweringStage of org.graalvm.compiler.nodes.spi.LoweringTool
  public Arguments = org.graalvm.compiler.replacements.SnippetTemplate$Arguments of org.graalvm.compiler.replacements.SnippetTemplate
  public abstract SnippetInfo = org.graalvm.compiler.replacements.SnippetTemplate$SnippetInfo of org.graalvm.compiler.replacements.SnippetTemplate
  public abstract UsageReplacer = org.graalvm.compiler.replacements.SnippetTemplate$UsageReplacer of org.graalvm.compiler.replacements.SnippetTemplate