[HIR-C]

 (prog     1
  <null 0 void>
  <nullNode 0>
  (subpDef  0 void
   <subp     0 <SUBP <> true int> main>
  <null 0 void>
   (labeldSt 2 void
    (list 3
     <labelDef _lab1>)
    (block    5 void
     (expStmt  6 int
      (assign   7 int
       <var      8 int x>
       <const    9 int 1>))
     (expStmt  10 int
      (assign   11 int
       <var      12 int y>
       <const    13 int 2>))
     (expStmt  14 int
      (assign   15 int
       <var      16 int sum>
       (add      17 int
        <var      18 int x>
        <var      19 int y>)))
     (expStmt  20 int
      (call     21 int
       (addr     22 <PTR <SUBP <<PTR char> > true int>>
        <subp     23 <SUBP <<PTR char> > true int> printf>)
       (list 24
        (decay    25 <PTR char>
         <const    26 <VECT 4 0 char> "%d\n">)
        <var      27 int sum>)))
     (return   28 int
      <const    29 int 0>)))))


[HIR-base]

 (prog     1
  <null 0 void>
  <nullNode 0>
  (subpDef  0 void
   <subp     0 <SUBP <> true int> main>
  <null 0 void>
   (labeldSt 2 void
    (list 3
     <labelDef _lab1>)
    (block    5 void
     (assign   6 int
      <var      7 int x>
      <const    8 int 1>)
     (assign   9 int
      <var      10 int y>
      <const    11 int 2>)
     (assign   12 int
      <var      13 int sum>
      (add      14 int
       <var      15 int x>
       <var      16 int y>))
     (expStmt  17 int
      (call     18 int
       (addr     19 <PTR <SUBP <<PTR char> > true int>>
        <subp     20 <SUBP <<PTR char> > true int> printf>)
       (list 21
        (decay    22 <PTR char>
         <const    23 <VECT 4 0 char> "%d\n">)
        <var      24 int sum>)))
     (return   25 int
      <const    26 int 0>))))) 


[LIR]

(FUNCTION "main"
  (SYMTAB
    ("functionvalue.5" FRAME I32 4 0)
    ("returnvalue.4" FRAME I32 4 0)
    ("sum.3" FRAME I32 4 0)
    ("y.2" FRAME I32 4 0)
    ("x.1" FRAME I32 4 0) )
    (PROLOGUE (0 0))
    (DEFLABEL (LABEL I32 "_lab1"))
    (SET I32 (MEM I32 (FRAME I32 "x.1")) (INTCONST I32 1))
    (SET I32 (MEM I32 (FRAME I32 "y.2")) (INTCONST I32 2))
    (SET I32 (MEM I32 (FRAME I32 "sum.3")) (ADD I32 (MEM I32 (FRAME I32 "x.1")) (MEM I32 (FRAME I32 "y.2"))))
    (CALL (STATIC I32 "printf") ((STATIC I32 "string.6") (MEM I32 (FRAME I32 "sum.3"))) ((MEM I32 (FRAME I32 "functionvalue.5"))))
    (SET I32 (MEM I32 (FRAME I32 "returnvalue.4")) (INTCONST I32 0))
    (JUMP (LABEL I32 "_epilogue"))
    (DEFLABEL (LABEL I32 "_epilogue"))
    (EPILOGUE (0 0) (MEM I32 (FRAME I32 "returnvalue.4")))
)