https://www.graalvm.org/ 
class com.oracle.svm.hosted.code.SubstrateLIRBackendFeature implements org.graalvm.nativeimage.hosted.Feature, com.oracle.svm.core.graal.GraalFeature
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.svm.hosted.code.SubstrateLIRBackendFeature
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.svm.hosted.code.SubstrateLIRBackendFeature this
         0: .line 52
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.svm.hosted.code.SubstrateLIRBackendFeature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/hosted/code/SubstrateLIRBackendFeature;

  public boolean isInConfiguration(org.graalvm.nativeimage.hosted.Feature$IsInConfigurationAccess);
    descriptor: (Lorg/graalvm/nativeimage/hosted/Feature$IsInConfigurationAccess;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // com.oracle.svm.hosted.code.SubstrateLIRBackendFeature this
        start local 1 // org.graalvm.nativeimage.hosted.Feature$IsInConfigurationAccess access
         0: .line 55
            invokestatic com.oracle.svm.core.SubstrateOptions.useLLVMBackend:()Z
            ifeq 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 1 // org.graalvm.nativeimage.hosted.Feature$IsInConfigurationAccess access
        end local 0 // com.oracle.svm.hosted.code.SubstrateLIRBackendFeature this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lcom/oracle/svm/hosted/code/SubstrateLIRBackendFeature;
            0    3     1  access  Lorg/graalvm/nativeimage/hosted/Feature$IsInConfigurationAccess;
    MethodParameters:
        Name  Flags
      access  

  public void afterRegistration(org.graalvm.nativeimage.hosted.Feature$AfterRegistrationAccess);
    descriptor: (Lorg/graalvm/nativeimage/hosted/Feature$AfterRegistrationAccess;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.oracle.svm.hosted.code.SubstrateLIRBackendFeature this
        start local 1 // org.graalvm.nativeimage.hosted.Feature$AfterRegistrationAccess access
         0: .line 60
            ldc Lcom/oracle/svm/hosted/image/NativeImageCodeCacheFactory;
            new com.oracle.svm.hosted.code.SubstrateLIRBackendFeature$1
            dup
            aload 0 /* this */
            invokespecial com.oracle.svm.hosted.code.SubstrateLIRBackendFeature$1.<init>:(Lcom/oracle/svm/hosted/code/SubstrateLIRBackendFeature;)V
            invokestatic org.graalvm.nativeimage.ImageSingletons.add:(Ljava/lang/Class;Ljava/lang/Object;)V
         1: .line 66
            return
        end local 1 // org.graalvm.nativeimage.hosted.Feature$AfterRegistrationAccess access
        end local 0 // com.oracle.svm.hosted.code.SubstrateLIRBackendFeature this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lcom/oracle/svm/hosted/code/SubstrateLIRBackendFeature;
            0    2     1  access  Lorg/graalvm/nativeimage/hosted/Feature$AfterRegistrationAccess;
    MethodParameters:
        Name  Flags
      access  

  public void registerLowerings(com.oracle.svm.core.graal.meta.RuntimeConfiguration, org.graalvm.compiler.options.OptionValues, java.lang.Iterable<org.graalvm.compiler.debug.DebugHandlersFactory>, org.graalvm.compiler.phases.util.Providers, org.graalvm.compiler.api.replacements.SnippetReflectionProvider, java.util.Map<java.lang.Class<? extends org.graalvm.compiler.graph.Node>, com.oracle.svm.core.graal.snippets.NodeLoweringProvider<?>>, );
    descriptor: (Lcom/oracle/svm/core/graal/meta/RuntimeConfiguration;Lorg/graalvm/compiler/options/OptionValues;Ljava/lang/Iterable;Lorg/graalvm/compiler/phases/util/Providers;Lorg/graalvm/compiler/api/replacements/SnippetReflectionProvider;Ljava/util/Map;Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=8, args_size=8
        start local 0 // com.oracle.svm.hosted.code.SubstrateLIRBackendFeature this
        start local 1 // com.oracle.svm.core.graal.meta.RuntimeConfiguration runtimeConfig
        start local 2 // org.graalvm.compiler.options.OptionValues options
        start local 3 // java.lang.Iterable factories
        start local 4 // org.graalvm.compiler.phases.util.Providers providers
        start local 5 // org.graalvm.compiler.api.replacements.SnippetReflectionProvider snippetReflection
        start local 6 // java.util.Map lowerings
        start local 7 // boolean hosted
         0: .line 71
            aload 6 /* lowerings */
            ldc Lorg/graalvm/compiler/nodes/java/LoadExceptionObjectNode;
            new com.oracle.svm.core.graal.snippets.ExceptionSnippets$LoadExceptionObjectLowering
            dup
            invokespecial com.oracle.svm.core.graal.snippets.ExceptionSnippets$LoadExceptionObjectLowering.<init>:()V
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 72
            return
        end local 7 // boolean hosted
        end local 6 // java.util.Map lowerings
        end local 5 // org.graalvm.compiler.api.replacements.SnippetReflectionProvider snippetReflection
        end local 4 // org.graalvm.compiler.phases.util.Providers providers
        end local 3 // java.lang.Iterable factories
        end local 2 // org.graalvm.compiler.options.OptionValues options
        end local 1 // com.oracle.svm.core.graal.meta.RuntimeConfiguration runtimeConfig
        end local 0 // com.oracle.svm.hosted.code.SubstrateLIRBackendFeature this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    2     0               this  Lcom/oracle/svm/hosted/code/SubstrateLIRBackendFeature;
            0    2     1      runtimeConfig  Lcom/oracle/svm/core/graal/meta/RuntimeConfiguration;
            0    2     2            options  Lorg/graalvm/compiler/options/OptionValues;
            0    2     3          factories  Ljava/lang/Iterable<Lorg/graalvm/compiler/debug/DebugHandlersFactory;>;
            0    2     4          providers  Lorg/graalvm/compiler/phases/util/Providers;
            0    2     5  snippetReflection  Lorg/graalvm/compiler/api/replacements/SnippetReflectionProvider;
            0    2     6          lowerings  Ljava/util/Map<Ljava/lang/Class<+Lorg/graalvm/compiler/graph/Node;>;Lcom/oracle/svm/core/graal/snippets/NodeLoweringProvider<*>;>;
            0    2     7             hosted  Z
    Signature: (Lcom/oracle/svm/core/graal/meta/RuntimeConfiguration;Lorg/graalvm/compiler/options/OptionValues;Ljava/lang/Iterable<Lorg/graalvm/compiler/debug/DebugHandlersFactory;>;Lorg/graalvm/compiler/phases/util/Providers;Lorg/graalvm/compiler/api/replacements/SnippetReflectionProvider;Ljava/util/Map<Ljava/lang/Class<+Lorg/graalvm/compiler/graph/Node;>;Lcom/oracle/svm/core/graal/snippets/NodeLoweringProvider<*>;>;Z)V
    MethodParameters:
                   Name  Flags
      runtimeConfig      
      options            
      factories          
      providers          
      snippetReflection  
      lowerings          
      hosted             
}
SourceFile: "SubstrateLIRBackendFeature.java"
NestMembers:
  com.oracle.svm.hosted.code.SubstrateLIRBackendFeature$1
InnerClasses:
  public LoadExceptionObjectLowering = com.oracle.svm.core.graal.snippets.ExceptionSnippets$LoadExceptionObjectLowering of com.oracle.svm.core.graal.snippets.ExceptionSnippets
  com.oracle.svm.hosted.code.SubstrateLIRBackendFeature$1
  public abstract AfterRegistrationAccess = org.graalvm.nativeimage.hosted.Feature$AfterRegistrationAccess of org.graalvm.nativeimage.hosted.Feature
  public abstract IsInConfigurationAccess = org.graalvm.nativeimage.hosted.Feature$IsInConfigurationAccess of org.graalvm.nativeimage.hosted.Feature
    RuntimeVisibleAnnotations: 
      com.oracle.svm.core.annotate.AutomaticFeature()