gistfile1.txt

[subbu@earth jruby] java -cp lib/jruby.jar org.jruby.compiler.ir.IR_Builder -e "def fib(a); if a < 2; a; else; fib(a - 1) + fib(a - 2); end; end; fib(35)"
Script:
  file: (string: "-e")
  class:
Class:
  className: _DUMMY_
  methods:
[Method:
  name: __file__
  instrs:
  0        %v_0 = CALL(fib, [self, 35:fixnum])

  methods:
[Method:
  name: fib
  instrs:
  0        self = RECV_ARG(0)
  1        a = RECV_ARG(1)
  2        %v_1 = CALL(<, [a, 2:fixnum])
  3        BEQ(%v_1, FALSE, LBL_0)
  4        %v_0 = COPY(a)
  5        JUMP LBL_1
  6    LBL_0:
  7        %v_2 = CALL(-, [a, 1:fixnum])
  8        %v_3 = CALL(fib, [self, %v_2])
  9        %v_4 = CALL(-, [a, 2:fixnum])
  10        %v_5 = CALL(fib, [self, %v_4])
  11        %v_6 = CALL(+, [%v_3, %v_5])
  12        %v_0 = COPY(%v_6)
  13    LBL_1:
]]