gistfile1.txt

Specialization of 'new' (cuid: 119)

Before:
Spesh of 'new' (cuid: 119, file: perl#sources/51E302443A2C8FF185ABC10CA1E5520EFEE885A1 (NativeCall::Types):227)

  BB 0 (0x7fbc583676c8):
    line: 227 (pc 0)
    Instructions:
      no_op           
    Successors: 1
    Predecessors: 
    Dominance children: 1

  BB 1 (0x7fbc58367750):
    line: 227 (pc 0)
    Instructions:
      null              r6(1)
      null              r5(1)
      null              r4(1)
      null              r3(1)
      null              r2(1)
      null              r1(1)
      null              r0(1)
      checkarity      liti16(1), liti16(1)
      param_rp_o        r1(2), liti16(0)
      hllize            r5(2),   r1(2)
    Successors: 2
    Predecessors: 0
    Dominance children: 2

  BB 2 (0x7fbc583677b0):
    line: 227 (pc 18)
    Instructions:
      set               r1(3),   r5(2)
      [Annotation: INS Deopt One (idx 0 -> pc 30; line 227)]
      decont            r5(3),   r1(3)
    Successors: 3
    Predecessors: 1
    Dominance children: 3

  BB 3 (0x7fbc58367810):
    line: 227 (pc 30)
    Instructions:
      wval              r6(2), liti16(0), liti16(258) (CArray: NativeCall::Types::CArray)
      istype            r7(1),   r5(3),   r6(2)
    Successors: 4
    Predecessors: 2
    Dominance children: 4

  BB 4 (0x7fbc58367870):
    line: 227 (pc 46)
    Instructions:
      assertparamcheck   r7(1)
    Successors: 5
    Predecessors: 3
    Dominance children: 5

  BB 5 (0x7fbc583678d0):
    line: 227 (pc 50)
    Instructions:
      [Annotation: INS Deopt One (idx 1 -> pc 56; line 227)]
      decont            r6(3),   r1(3)
    Successors: 6
    Predecessors: 4
    Dominance children: 6

  BB 6 (0x7fbc58367930):
    line: 227 (pc 56)
    Instructions:
      set               r0(2),   r6(3)
      param_sn          r2(2)
      [Annotation: Line Number: perl#sources/51E302443A2C8FF185ABC10CA1E5520EFEE885A1 (NativeCall::Types):227]
      takedispatcher    r3(2)
      [Annotation: Line Number: perl#sources/51E302443A2C8FF185ABC10CA1E5520EFEE885A1 (NativeCall::Types):227]
      create            r4(2),   r0(2)
      p6decontrv        r4(3),   r4(2)
      return_o          r4(3)
    Successors: 
    Predecessors: 5
    Dominance children:


Facts:
      r0(0): usages=0, flags=0
      r0(1): usages=0, flags=0
      r0(2): usages=0, flags=0

      r1(0): usages=0, flags=0
      r1(1): usages=0, flags=0
      r1(2): usages=0, flags=0
      r1(3): usages=0, flags=0

      r2(0): usages=0, flags=0
      r2(1): usages=0, flags=0
      r2(2): usages=0, flags=0

      r3(0): usages=0, flags=0
      r3(1): usages=0, flags=0
      r3(2): usages=0, flags=0

      r4(0): usages=0, flags=0
      r4(1): usages=0, flags=0
      r4(2): usages=0, flags=0
      r4(3): usages=0, flags=0

      r5(0): usages=0, flags=0
      r5(1): usages=0, flags=0
      r5(2): usages=0, flags=0
      r5(3): usages=0, flags=0

      r6(0): usages=0, flags=0
      r6(1): usages=0, flags=0
      r6(2): usages=0, flags=0
      r6(3): usages=0, flags=0

      r7(0): usages=0, flags=0
      r7(1): usages=0, flags=0


Frame size: 176 bytes
After:
Spesh of 'new' (cuid: 119, file: perl#sources/51E302443A2C8FF185ABC10CA1E5520EFEE885A1 (NativeCall::Types):227)
Callsite 0x7fbc62233180 (1 args, 1 pos)
Positional flags: obj

  BB 0 (0x7fbc583676c8):
    line: 227 (pc 0)
    Instructions:
      no_op           
    Successors: 1
    Predecessors: 
    Dominance children: 1

  BB 1 (0x7fbc58367750):
    line: 227 (pc 0)
    Instructions:
      sp_getarg_o       r1(3), liti16(0)
      [Annotation: INS Deopt One (idx 0 -> pc 30; line 227)]
      set               r5(3),   r1(3)
      [Annotation: INS Deopt One (idx 1 -> pc 56; line 227)]
      set               r6(3),   r1(3)
      set               r0(2),   r6(3)
      [Annotation: Line Number: perl#sources/51E302443A2C8FF185ABC10CA1E5520EFEE885A1 (NativeCall::Types):227]
      takedispatcher    r3(2)
      [Annotation: Line Number: perl#sources/51E302443A2C8FF185ABC10CA1E5520EFEE885A1 (NativeCall::Types):227]
      create            r4(2),   r0(2)
      p6decontrv        r4(3),   r4(2)
      return_o          r4(3)
    Successors: 
    Predecessors: 0
    Dominance children:


Facts:
      r0(0): usages=0, flags=0
      r0(1): usages=0, flags=0     DeadWriter
      r0(2): usages=1, flags=21    KnTyp Dcntd TyObj

      r1(0): usages=0, flags=0
      r1(1): usages=0, flags=0     DeadWriter
      r1(2): usages=0, flags=21    KnTyp Dcntd TyObj
      r1(3): usages=4, flags=21    KnTyp Dcntd TyObj DeadWriter

      r2(0): usages=0, flags=0
      r2(1): usages=0, flags=0     DeadWriter
      r2(2): usages=0, flags=0     DeadWriter

      r3(0): usages=0, flags=0
      r3(1): usages=0, flags=0     DeadWriter
      r3(2): usages=0, flags=0

      r4(0): usages=0, flags=0
      r4(1): usages=0, flags=0     DeadWriter
      r4(2): usages=1, flags=8     Concr
      r4(3): usages=1, flags=0

      r5(0): usages=0, flags=0
      r5(1): usages=0, flags=0     DeadWriter
      r5(2): usages=0, flags=21    KnTyp Dcntd TyObj DeadWriter
      r5(3): usages=1, flags=21    KnTyp Dcntd TyObj

      r6(0): usages=0, flags=0
      r6(1): usages=0, flags=0     DeadWriter
      r6(2): usages=0, flags=23    KnTyp KnVal Dcntd TyObj DeadWriter
      r6(3): usages=2, flags=21    KnTyp Dcntd TyObj

      r7(0): usages=0, flags=0
      r7(1): usages=0, flags=2     KnVal DeadWriter


Spesh slots:
    0 = STable (BOOTHash)

Frame size: 72 bytes
Specialization took 70us