FILE fqName:<root> fileName:/bangbang.kt
  FUN name:test1 visibility:public modality:FINAL <> (a:kotlin.Any?) returnType:kotlin.Any
    VALUE_PARAMETER name:a index:0 type:kotlin.Any?
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='public final fun test1 (a: kotlin.Any?): kotlin.Any declared in <root>'
        CALL 'public final fun CHECK_NOT_NULL <T0> (arg0: T0 of kotlin.internal.ir.CHECK_NOT_NULL?): {T0 of kotlin.internal.ir.CHECK_NOT_NULL & Any} declared in kotlin.internal.ir' type=kotlin.Any origin=EXCLEXCL
          <T0>: kotlin.Any
          arg0: GET_VAR 'a: kotlin.Any? declared in <root>.test1' type=kotlin.Any? origin=null
  FUN name:test2 visibility:public modality:FINAL <> (a:kotlin.Any?) returnType:kotlin.Int
    VALUE_PARAMETER name:a index:0 type:kotlin.Any?
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='public final fun test2 (a: kotlin.Any?): kotlin.Int declared in <root>'
        CALL 'public final fun CHECK_NOT_NULL <T0> (arg0: T0 of kotlin.internal.ir.CHECK_NOT_NULL?): {T0 of kotlin.internal.ir.CHECK_NOT_NULL & Any} declared in kotlin.internal.ir' type=kotlin.Int origin=EXCLEXCL
          <T0>: kotlin.Int
          arg0: BLOCK type=kotlin.Int? origin=SAFE_CALL
            VAR IR_TEMPORARY_VARIABLE name:tmp_0 type:kotlin.Any? [val]
              GET_VAR 'a: kotlin.Any? declared in <root>.test2' type=kotlin.Any? origin=null
            WHEN type=kotlin.Int? origin=null
              BRANCH
                if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
                  arg0: GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.test2' type=kotlin.Any? origin=null
                  arg1: CONST Null type=kotlin.Nothing? value=null
                then: CONST Null type=kotlin.Nothing? value=null
              BRANCH
                if: CONST Boolean type=kotlin.Boolean value=true
                then: CALL 'public open fun hashCode (): kotlin.Int declared in kotlin.Any' type=kotlin.Int origin=null
                  $this: GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.test2' type=kotlin.Any? origin=null
  FUN name:test3 visibility:public modality:FINAL <X> (a:X of <root>.test3) returnType:{X of <root>.test3 & Any}
    TYPE_PARAMETER name:X index:0 variance: superTypes:[kotlin.Any?] reified:false
    VALUE_PARAMETER name:a index:0 type:X of <root>.test3
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='public final fun test3 <X> (a: X of <root>.test3): {X of <root>.test3 & Any} declared in <root>'
        CALL 'public final fun CHECK_NOT_NULL <T0> (arg0: T0 of kotlin.internal.ir.CHECK_NOT_NULL?): {T0 of kotlin.internal.ir.CHECK_NOT_NULL & Any} declared in kotlin.internal.ir' type={X of <root>.test3 & Any} origin=EXCLEXCL
          <T0>: {X of <root>.test3 & Any}
          arg0: GET_VAR 'a: X of <root>.test3 declared in <root>.test3' type=X of <root>.test3 origin=null
  FUN name:useString visibility:public modality:FINAL <> (s:kotlin.String) returnType:kotlin.Unit
    VALUE_PARAMETER name:s index:0 type:kotlin.String
    BLOCK_BODY
  FUN name:test4 visibility:public modality:FINAL <X> (a:X of <root>.test4) returnType:kotlin.Unit
    TYPE_PARAMETER name:X index:0 variance: superTypes:[kotlin.Any?] reified:false
    VALUE_PARAMETER name:a index:0 type:X of <root>.test4
    BLOCK_BODY
      WHEN type=kotlin.Unit origin=IF
        BRANCH
          if: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=kotlin.String?
            GET_VAR 'a: X of <root>.test4 declared in <root>.test4' type=X of <root>.test4 origin=null
          then: TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
            CALL 'public final fun CHECK_NOT_NULL <T0> (arg0: T0 of kotlin.internal.ir.CHECK_NOT_NULL?): {T0 of kotlin.internal.ir.CHECK_NOT_NULL & Any} declared in kotlin.internal.ir' type=kotlin.String origin=EXCLEXCL
              <T0>: kotlin.String
              arg0: TYPE_OP type=kotlin.String? origin=IMPLICIT_CAST typeOperand=kotlin.String?
                GET_VAR 'a: X of <root>.test4 declared in <root>.test4' type=X of <root>.test4 origin=null
      WHEN type=kotlin.Unit origin=IF
        BRANCH
          if: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=kotlin.String?
            GET_VAR 'a: X of <root>.test4 declared in <root>.test4' type=X of <root>.test4 origin=null
          then: CALL 'public final fun useString (s: kotlin.String): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
            s: CALL 'public final fun CHECK_NOT_NULL <T0> (arg0: T0 of kotlin.internal.ir.CHECK_NOT_NULL?): {T0 of kotlin.internal.ir.CHECK_NOT_NULL & Any} declared in kotlin.internal.ir' type=kotlin.String origin=EXCLEXCL
              <T0>: kotlin.String
              arg0: TYPE_OP type=kotlin.String? origin=IMPLICIT_CAST typeOperand=kotlin.String?
                GET_VAR 'a: X of <root>.test4 declared in <root>.test4' type=X of <root>.test4 origin=null
