https://github.com/jruby/jruby/jruby-core: JRuby is the effort to recreate the Ruby (https://www.ruby-lang.org) interpreter in Java. (JRuby)
  • headius
  • enebo
  • wmeissner
  • BanzaiMan
  • mkristian 
public class org.jruby.ir.passes.LocalOptimizationPass extends org.jruby.ir.passes.CompilerPass
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.jruby.ir.passes.LocalOptimizationPass
  super_class: org.jruby.ir.passes.CompilerPass
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.ir.passes.LocalOptimizationPass this
         0: .line 14
            aload 0 /* this */
            invokespecial org.jruby.ir.passes.CompilerPass.<init>:()V
            return
        end local 0 // org.jruby.ir.passes.LocalOptimizationPass this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/ir/passes/LocalOptimizationPass;

  public java.lang.String getLabel();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.ir.passes.LocalOptimizationPass this
         0: .line 17
            ldc "Local Optimizations"
            areturn
        end local 0 // org.jruby.ir.passes.LocalOptimizationPass this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/ir/passes/LocalOptimizationPass;

  public java.lang.String getShortLabel();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.ir.passes.LocalOptimizationPass this
         0: .line 22
            ldc "Local Opts"
            areturn
        end local 0 // org.jruby.ir.passes.LocalOptimizationPass this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/ir/passes/LocalOptimizationPass;

  public java.lang.Object execute(org.jruby.ir.IRScope, java.lang.Object[]);
    descriptor: (Lorg/jruby/ir/IRScope;[Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=2, locals=5, args_size=3
        start local 0 // org.jruby.ir.passes.LocalOptimizationPass this
        start local 1 // org.jruby.ir.IRScope s
        start local 2 // java.lang.Object[] data
         0: .line 27
            aload 1 /* s */
            invokevirtual org.jruby.ir.IRScope.getCFG:()Lorg/jruby/ir/representations/CFG;
            invokevirtual org.jruby.ir.representations.CFG.getBasicBlocks:()Ljava/util/Collection;
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 4
            goto 3
      StackMap locals: org.jruby.ir.passes.LocalOptimizationPass org.jruby.ir.IRScope java.lang.Object[] top java.util.Iterator
      StackMap stack:
         1: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.jruby.ir.representations.BasicBlock
            astore 3 /* b */
        start local 3 // org.jruby.ir.representations.BasicBlock b
         2: .line 28
            aload 1 /* s */
            aload 3 /* b */
            invokestatic org.jruby.ir.passes.LocalOptimizationPass.runLocalOptsOnBasicBlock:(Lorg/jruby/ir/IRScope;Lorg/jruby/ir/representations/BasicBlock;)V
        end local 3 // org.jruby.ir.representations.BasicBlock b
         3: .line 27
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         4: .line 35
            aload 1 /* s */
            invokevirtual org.jruby.ir.IRScope.computeScopeFlags:()V
         5: .line 41
            new org.jruby.ir.passes.LiveVariableAnalysis
            dup
            invokespecial org.jruby.ir.passes.LiveVariableAnalysis.<init>:()V
            aload 1 /* s */
            invokevirtual org.jruby.ir.passes.LiveVariableAnalysis.invalidate:(Lorg/jruby/ir/IRScope;)Z
            pop
         6: .line 43
            aconst_null
            areturn
        end local 2 // java.lang.Object[] data
        end local 1 // org.jruby.ir.IRScope s
        end local 0 // org.jruby.ir.passes.LocalOptimizationPass this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/jruby/ir/passes/LocalOptimizationPass;
            0    7     1     s  Lorg/jruby/ir/IRScope;
            0    7     2  data  [Ljava/lang/Object;
            2    3     3     b  Lorg/jruby/ir/representations/BasicBlock;
    MethodParameters:
      Name  Flags
      s     
      data  

  private static void recordSimplification(org.jruby.ir.operands.Variable, org.jruby.ir.operands.Operand, java.util.Map<org.jruby.ir.operands.Operand, org.jruby.ir.operands.Operand>, java.util.Map<org.jruby.ir.operands.Variable, java.util.List<org.jruby.ir.operands.Variable>>);
    descriptor: (Lorg/jruby/ir/operands/Variable;Lorg/jruby/ir/operands/Operand;Ljava/util/Map;Ljava/util/Map;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=8, args_size=4
        start local 0 // org.jruby.ir.operands.Variable res
        start local 1 // org.jruby.ir.operands.Operand val
        start local 2 // java.util.Map valueMap
        start local 3 // java.util.Map simplificationMap
         0: .line 47
            aload 2 /* valueMap */
            aload 0 /* res */
            aload 1 /* val */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 51
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 4 /* valVars */
        start local 4 // java.util.List valVars
         2: .line 52
            aload 1 /* val */
            aload 4 /* valVars */
            invokevirtual org.jruby.ir.operands.Operand.addUsedVariables:(Ljava/util/List;)V
         3: .line 53
            aload 4 /* valVars */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 6
            goto 10
      StackMap locals: org.jruby.ir.operands.Variable org.jruby.ir.operands.Operand java.util.Map java.util.Map java.util.List top java.util.Iterator
      StackMap stack:
         4: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.jruby.ir.operands.Variable
            astore 5 /* v */
        start local 5 // org.jruby.ir.operands.Variable v
         5: .line 54
            aload 3 /* simplificationMap */
            aload 5 /* v */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.List
            astore 7 /* x */
        start local 7 // java.util.List x
         6: .line 55
            aload 7 /* x */
            ifnonnull 9
         7: .line 56
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 7 /* x */
         8: .line 57
            aload 3 /* simplificationMap */
            aload 5 /* v */
            aload 7 /* x */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         9: .line 59
      StackMap locals: org.jruby.ir.operands.Variable org.jruby.ir.operands.Operand java.util.Map java.util.Map java.util.List org.jruby.ir.operands.Variable java.util.Iterator java.util.List
      StackMap stack:
            aload 7 /* x */
            aload 0 /* res */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 7 // java.util.List x
        end local 5 // org.jruby.ir.operands.Variable v
        10: .line 53
      StackMap locals: org.jruby.ir.operands.Variable org.jruby.ir.operands.Operand java.util.Map java.util.Map java.util.List top java.util.Iterator
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
        11: .line 61
            return
        end local 4 // java.util.List valVars
        end local 3 // java.util.Map simplificationMap
        end local 2 // java.util.Map valueMap
        end local 1 // org.jruby.ir.operands.Operand val
        end local 0 // org.jruby.ir.operands.Variable res
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0   12     0                res  Lorg/jruby/ir/operands/Variable;
            0   12     1                val  Lorg/jruby/ir/operands/Operand;
            0   12     2           valueMap  Ljava/util/Map<Lorg/jruby/ir/operands/Operand;Lorg/jruby/ir/operands/Operand;>;
            0   12     3  simplificationMap  Ljava/util/Map<Lorg/jruby/ir/operands/Variable;Ljava/util/List<Lorg/jruby/ir/operands/Variable;>;>;
            2   12     4            valVars  Ljava/util/List<Lorg/jruby/ir/operands/Variable;>;
            5   10     5                  v  Lorg/jruby/ir/operands/Variable;
            6   10     7                  x  Ljava/util/List<Lorg/jruby/ir/operands/Variable;>;
    Signature: (Lorg/jruby/ir/operands/Variable;Lorg/jruby/ir/operands/Operand;Ljava/util/Map<Lorg/jruby/ir/operands/Operand;Lorg/jruby/ir/operands/Operand;>;Ljava/util/Map<Lorg/jruby/ir/operands/Variable;Ljava/util/List<Lorg/jruby/ir/operands/Variable;>;>;)V
    MethodParameters:
                   Name  Flags
      res                
      val                
      valueMap           
      simplificationMap  

  public static org.jruby.ir.instructions.Instr optInstr(org.jruby.ir.IRScope, org.jruby.ir.instructions.Instr, java.util.Map<org.jruby.ir.operands.Operand, org.jruby.ir.operands.Operand>, java.util.Map<org.jruby.ir.operands.Variable, java.util.List<org.jruby.ir.operands.Variable>>);
    descriptor: (Lorg/jruby/ir/IRScope;Lorg/jruby/ir/instructions/Instr;Ljava/util/Map;Ljava/util/Map;)Lorg/jruby/ir/instructions/Instr;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=10, args_size=4
        start local 0 // org.jruby.ir.IRScope s
        start local 1 // org.jruby.ir.instructions.Instr instr
        start local 2 // java.util.Map valueMap
        start local 3 // java.util.Map simplificationMap
         0: .line 67
            aload 1 /* instr */
            aload 0 /* s */
            aload 2 /* valueMap */
            invokevirtual org.jruby.ir.instructions.Instr.simplifyAndGetResult:(Lorg/jruby/ir/IRScope;Ljava/util/Map;)Lorg/jruby/ir/operands/Operand;
            astore 4 /* val */
        start local 4 // org.jruby.ir.operands.Operand val
         1: .line 72
            aload 1 /* instr */
            instanceof org.jruby.ir.instructions.ResultInstr
            ifne 3
         2: .line 73
            aload 1 /* instr */
            areturn
         3: .line 76
      StackMap locals: org.jruby.ir.operands.Operand
      StackMap stack:
            aload 1 /* instr */
            astore 5 /* newInstr */
        start local 5 // org.jruby.ir.instructions.Instr newInstr
         4: .line 77
            aload 1 /* instr */
            checkcast org.jruby.ir.instructions.ResultInstr
            invokeinterface org.jruby.ir.instructions.ResultInstr.getResult:()Lorg/jruby/ir/operands/Variable;
            astore 6 /* res */
        start local 6 // org.jruby.ir.operands.Variable res
         5: .line 78
            aload 4 /* val */
            ifnonnull 8
         6: .line 81
            aload 2 /* valueMap */
            aload 6 /* res */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         7: .line 82
            goto 16
         8: .line 83
      StackMap locals: org.jruby.ir.instructions.Instr org.jruby.ir.operands.Variable
      StackMap stack:
            aload 6 /* res */
            aload 4 /* val */
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifne 10
         9: .line 84
            aload 6 /* res */
            aload 4 /* val */
            aload 2 /* valueMap */
            aload 3 /* simplificationMap */
            invokestatic org.jruby.ir.passes.LocalOptimizationPass.recordSimplification:(Lorg/jruby/ir/operands/Variable;Lorg/jruby/ir/operands/Operand;Ljava/util/Map;Ljava/util/Map;)V
        10: .line 87
      StackMap locals:
      StackMap stack:
            aload 1 /* instr */
            invokevirtual org.jruby.ir.instructions.Instr.hasSideEffects:()Z
            ifne 16
        11: .line 88
            aload 1 /* instr */
            instanceof org.jruby.ir.instructions.CopyInstr
            ifeq 15
        12: .line 89
            aload 6 /* res */
            aload 4 /* val */
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifeq 16
            aload 1 /* instr */
            aload 0 /* s */
            invokevirtual org.jruby.ir.instructions.Instr.canBeDeletedFromScope:(Lorg/jruby/ir/IRScope;)Z
            ifeq 16
        13: .line 90
            aload 1 /* instr */
            invokevirtual org.jruby.ir.instructions.Instr.markDead:()V
        14: .line 92
            goto 16
        15: .line 93
      StackMap locals:
      StackMap stack:
            new org.jruby.ir.instructions.CopyInstr
            dup
            aload 6 /* res */
            aload 4 /* val */
            invokespecial org.jruby.ir.instructions.CopyInstr.<init>:(Lorg/jruby/ir/operands/Variable;Lorg/jruby/ir/operands/Operand;)V
            astore 5 /* newInstr */
        16: .line 100
      StackMap locals:
      StackMap stack:
            aload 6 /* res */
            aload 4 /* val */
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifne 24
        17: .line 101
            aload 3 /* simplificationMap */
            aload 6 /* res */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.List
            astore 7 /* simplifiedVars */
        start local 7 // java.util.List simplifiedVars
        18: .line 102
            aload 7 /* simplifiedVars */
            ifnull 24
        19: .line 103
            aload 7 /* simplifiedVars */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 9
            goto 22
      StackMap locals: org.jruby.ir.IRScope org.jruby.ir.instructions.Instr java.util.Map java.util.Map org.jruby.ir.operands.Operand org.jruby.ir.instructions.Instr org.jruby.ir.operands.Variable java.util.List top java.util.Iterator
      StackMap stack:
        20: aload 9
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.jruby.ir.operands.Variable
            astore 8 /* v */
        start local 8 // org.jruby.ir.operands.Variable v
        21: .line 104
            aload 2 /* valueMap */
            aload 8 /* v */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 8 // org.jruby.ir.operands.Variable v
        22: .line 103
      StackMap locals:
      StackMap stack:
            aload 9
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 20
        23: .line 106
            aload 3 /* simplificationMap */
            aload 6 /* res */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 7 // java.util.List simplifiedVars
        24: .line 110
      StackMap locals: org.jruby.ir.IRScope org.jruby.ir.instructions.Instr java.util.Map java.util.Map org.jruby.ir.operands.Operand org.jruby.ir.instructions.Instr org.jruby.ir.operands.Variable
      StackMap stack:
            aload 5 /* newInstr */
            areturn
        end local 6 // org.jruby.ir.operands.Variable res
        end local 5 // org.jruby.ir.instructions.Instr newInstr
        end local 4 // org.jruby.ir.operands.Operand val
        end local 3 // java.util.Map simplificationMap
        end local 2 // java.util.Map valueMap
        end local 1 // org.jruby.ir.instructions.Instr instr
        end local 0 // org.jruby.ir.IRScope s
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0   25     0                  s  Lorg/jruby/ir/IRScope;
            0   25     1              instr  Lorg/jruby/ir/instructions/Instr;
            0   25     2           valueMap  Ljava/util/Map<Lorg/jruby/ir/operands/Operand;Lorg/jruby/ir/operands/Operand;>;
            0   25     3  simplificationMap  Ljava/util/Map<Lorg/jruby/ir/operands/Variable;Ljava/util/List<Lorg/jruby/ir/operands/Variable;>;>;
            1   25     4                val  Lorg/jruby/ir/operands/Operand;
            4   25     5           newInstr  Lorg/jruby/ir/instructions/Instr;
            5   25     6                res  Lorg/jruby/ir/operands/Variable;
           18   24     7     simplifiedVars  Ljava/util/List<Lorg/jruby/ir/operands/Variable;>;
           21   22     8                  v  Lorg/jruby/ir/operands/Variable;
    Signature: (Lorg/jruby/ir/IRScope;Lorg/jruby/ir/instructions/Instr;Ljava/util/Map<Lorg/jruby/ir/operands/Operand;Lorg/jruby/ir/operands/Operand;>;Ljava/util/Map<Lorg/jruby/ir/operands/Variable;Ljava/util/List<Lorg/jruby/ir/operands/Variable;>;>;)Lorg/jruby/ir/instructions/Instr;
    MethodParameters:
                   Name  Flags
      s                  
      instr              
      valueMap           
      simplificationMap  

  public static void runLocalOptsOnInstrArray(org.jruby.ir.IRScope, org.jruby.ir.instructions.Instr[]);
    descriptor: (Lorg/jruby/ir/IRScope;[Lorg/jruby/ir/instructions/Instr;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=8, args_size=2
        start local 0 // org.jruby.ir.IRScope s
        start local 1 // org.jruby.ir.instructions.Instr[] instrs
         0: .line 115
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 2 /* valueMap */
        start local 2 // java.util.Map valueMap
         1: .line 116
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 3 /* simplificationMap */
        start local 3 // java.util.Map simplificationMap
         2: .line 117
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         3: goto 13
         4: .line 118
      StackMap locals: java.util.Map java.util.Map int
      StackMap stack:
            aload 1 /* instrs */
            iload 4 /* i */
            aaload
            astore 5 /* instr */
        start local 5 // org.jruby.ir.instructions.Instr instr
         5: .line 119
            aload 0 /* s */
            aload 5 /* instr */
            aload 2 /* valueMap */
            aload 3 /* simplificationMap */
            invokestatic org.jruby.ir.passes.LocalOptimizationPass.optInstr:(Lorg/jruby/ir/IRScope;Lorg/jruby/ir/instructions/Instr;Ljava/util/Map;Ljava/util/Map;)Lorg/jruby/ir/instructions/Instr;
            astore 6 /* newInstr */
        start local 6 // org.jruby.ir.instructions.Instr newInstr
         6: .line 120
            aload 6 /* newInstr */
            aload 5 /* instr */
            if_acmpeq 8
         7: .line 121
            aload 1 /* instrs */
            iload 4 /* i */
            aload 6 /* newInstr */
            aastore
         8: .line 137
      StackMap locals: org.jruby.ir.instructions.Instr org.jruby.ir.instructions.Instr
      StackMap stack:
            aload 5 /* instr */
            invokevirtual org.jruby.ir.instructions.Instr.getOperation:()Lorg/jruby/ir/Operation;
            astore 7 /* iop */
        start local 7 // org.jruby.ir.Operation iop
         9: .line 138
            aload 7 /* iop */
            invokevirtual org.jruby.ir.Operation.startsBasicBlock:()Z
            ifne 10
            aload 7 /* iop */
            invokevirtual org.jruby.ir.Operation.endsBasicBlock:()Z
            ifne 10
            aload 7 /* iop */
            invokevirtual org.jruby.ir.Operation.isCall:()Z
            ifeq 12
            aload 5 /* instr */
            invokevirtual org.jruby.ir.instructions.Instr.isDead:()Z
            ifne 12
        10: .line 139
      StackMap locals: org.jruby.ir.Operation
      StackMap stack:
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 2 /* valueMap */
        11: .line 140
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 3 /* simplificationMap */
        end local 7 // org.jruby.ir.Operation iop
        end local 6 // org.jruby.ir.instructions.Instr newInstr
        end local 5 // org.jruby.ir.instructions.Instr instr
        12: .line 117
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        13: iload 4 /* i */
            aload 1 /* instrs */
            arraylength
            if_icmplt 4
        end local 4 // int i
        14: .line 143
            return
        end local 3 // java.util.Map simplificationMap
        end local 2 // java.util.Map valueMap
        end local 1 // org.jruby.ir.instructions.Instr[] instrs
        end local 0 // org.jruby.ir.IRScope s
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0   15     0                  s  Lorg/jruby/ir/IRScope;
            0   15     1             instrs  [Lorg/jruby/ir/instructions/Instr;
            1   15     2           valueMap  Ljava/util/Map<Lorg/jruby/ir/operands/Operand;Lorg/jruby/ir/operands/Operand;>;
            2   15     3  simplificationMap  Ljava/util/Map<Lorg/jruby/ir/operands/Variable;Ljava/util/List<Lorg/jruby/ir/operands/Variable;>;>;
            3   14     4                  i  I
            5   12     5              instr  Lorg/jruby/ir/instructions/Instr;
            6   12     6           newInstr  Lorg/jruby/ir/instructions/Instr;
            9   12     7                iop  Lorg/jruby/ir/Operation;
    MethodParameters:
        Name  Flags
      s       
      instrs  

  public static void runLocalOptsOnBasicBlock(org.jruby.ir.IRScope, org.jruby.ir.representations.BasicBlock);
    descriptor: (Lorg/jruby/ir/IRScope;Lorg/jruby/ir/representations/BasicBlock;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=8, args_size=2
        start local 0 // org.jruby.ir.IRScope s
        start local 1 // org.jruby.ir.representations.BasicBlock b
         0: .line 146
            aload 1 /* b */
            invokevirtual org.jruby.ir.representations.BasicBlock.getInstrs:()Ljava/util/List;
            invokeinterface java.util.List.listIterator:()Ljava/util/ListIterator;
            astore 2 /* instrs */
        start local 2 // java.util.ListIterator instrs
         1: .line 148
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 3 /* valueMap */
        start local 3 // java.util.Map valueMap
         2: .line 149
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 4 /* simplificationMap */
        start local 4 // java.util.Map simplificationMap
         3: .line 150
            goto 15
         4: .line 151
      StackMap locals: java.util.ListIterator java.util.Map java.util.Map
      StackMap stack:
            aload 2 /* instrs */
            invokeinterface java.util.ListIterator.next:()Ljava/lang/Object;
            checkcast org.jruby.ir.instructions.Instr
            astore 5 /* instr */
        start local 5 // org.jruby.ir.instructions.Instr instr
         5: .line 152
            aload 0 /* s */
            aload 5 /* instr */
            aload 3 /* valueMap */
            aload 4 /* simplificationMap */
            invokestatic org.jruby.ir.passes.LocalOptimizationPass.optInstr:(Lorg/jruby/ir/IRScope;Lorg/jruby/ir/instructions/Instr;Ljava/util/Map;Ljava/util/Map;)Lorg/jruby/ir/instructions/Instr;
            astore 6 /* newInstr */
        start local 6 // org.jruby.ir.instructions.Instr newInstr
         6: .line 153
            aload 6 /* newInstr */
            invokevirtual org.jruby.ir.instructions.Instr.isDead:()Z
            ifeq 9
         7: .line 154
            aload 2 /* instrs */
            invokeinterface java.util.ListIterator.remove:()V
         8: .line 155
            goto 11
      StackMap locals: org.jruby.ir.instructions.Instr org.jruby.ir.instructions.Instr
      StackMap stack:
         9: aload 6 /* newInstr */
            aload 5 /* instr */
            if_acmpeq 11
        10: .line 156
            aload 2 /* instrs */
            aload 6 /* newInstr */
            invokeinterface java.util.ListIterator.set:(Ljava/lang/Object;)V
        11: .line 172
      StackMap locals:
      StackMap stack:
            aload 5 /* instr */
            invokevirtual org.jruby.ir.instructions.Instr.getOperation:()Lorg/jruby/ir/Operation;
            astore 7 /* iop */
        start local 7 // org.jruby.ir.Operation iop
        12: .line 173
            aload 7 /* iop */
            invokevirtual org.jruby.ir.Operation.isCall:()Z
            ifeq 15
            aload 5 /* instr */
            invokevirtual org.jruby.ir.instructions.Instr.isDead:()Z
            ifne 15
        13: .line 174
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 3 /* valueMap */
        14: .line 175
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 4 /* simplificationMap */
        end local 7 // org.jruby.ir.Operation iop
        end local 6 // org.jruby.ir.instructions.Instr newInstr
        end local 5 // org.jruby.ir.instructions.Instr instr
        15: .line 150
      StackMap locals:
      StackMap stack:
            aload 2 /* instrs */
            invokeinterface java.util.ListIterator.hasNext:()Z
            ifne 4
        16: .line 178
            return
        end local 4 // java.util.Map simplificationMap
        end local 3 // java.util.Map valueMap
        end local 2 // java.util.ListIterator instrs
        end local 1 // org.jruby.ir.representations.BasicBlock b
        end local 0 // org.jruby.ir.IRScope s
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0   17     0                  s  Lorg/jruby/ir/IRScope;
            0   17     1                  b  Lorg/jruby/ir/representations/BasicBlock;
            1   17     2             instrs  Ljava/util/ListIterator<Lorg/jruby/ir/instructions/Instr;>;
            2   17     3           valueMap  Ljava/util/Map<Lorg/jruby/ir/operands/Operand;Lorg/jruby/ir/operands/Operand;>;
            3   17     4  simplificationMap  Ljava/util/Map<Lorg/jruby/ir/operands/Variable;Ljava/util/List<Lorg/jruby/ir/operands/Variable;>;>;
            5   15     5              instr  Lorg/jruby/ir/instructions/Instr;
            6   15     6           newInstr  Lorg/jruby/ir/instructions/Instr;
           12   15     7                iop  Lorg/jruby/ir/Operation;
    MethodParameters:
      Name  Flags
      s     
      b     
}
SourceFile: "LocalOptimizationPass.java"