[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
      (call     7 int
       (addr     8 <PTR <SUBP <<PTR char> > true int>>
        <subp     9 <SUBP <<PTR char> > true int> printf>)
       (list 10
        (decay    11 <PTR char>
         <const    12 <VECT 8 0 char> "input: ">))))
     (expStmt  13 int
      (call     14 int
       (addr     15 <PTR <SUBP <<PTR char> > true int>>
        <subp     16 <SUBP <<PTR char> > true int> scanf>)
       (list 17
        (decay    18 <PTR char>
         <const    19 <VECT 5 0 char> "%d%d">)
        (addr     20 <PTR int>
         <var      21 int x>)
        (addr     22 <PTR int>
         <var      23 int y>))))
     (expStmt  24 int
      (call     25 int
       (addr     26 <PTR <SUBP <<PTR char> > true int>>
        <subp     27 <SUBP <<PTR char> > true int> printf>)
       (list 28
        (decay    29 <PTR char>
         <const    30 <VECT 15 0 char> "GCD(%d, %d) = ">)
        <var      31 int x>
        <var      32 int y>)))
     (while    33 void
     <null 0 void>
     <null 0 void>
      (labeldSt 34 bool
       (list 35
        <labelDef _lab5>)
       (expStmt  37 bool
        (cmpGt    38 bool
         <var      39 int y>
         <const    40 int 0>)))
      (labeldSt 41 void
       (list 42
        <labelDef _lab6>)
       (block    44 void
        (expStmt  45 int
         (assign   46 int
          <var      47 int r>
          (mod      48 int
           <var      49 int x>
           <var      50 int y>)))
        (expStmt  51 int
         (assign   52 int
          <var      53 int x>
          <var      54 int y>))
        (expStmt  55 int
         (assign   56 int
          <var      57 int y>
          <var      58 int r>))
        (labeldSt 59 void
         (list 60
          <labelDef _lab3>)
        <null 0 void>)))
      (expStmt  62 int
      <null 0 void>)
     <null 0 void>
      (labeldSt 63 void
       (list 64
        <labelDef _lab4>)
      <null 0 void>))
     (expStmt  66 int
      (call     67 int
       (addr     68 <PTR <SUBP <<PTR char> > true int>>
        <subp     69 <SUBP <<PTR char> > true int> printf>)
       (list 70
        (decay    71 <PTR char>
         <const    72 <VECT 5 0 char> " %d\n">)
        <var      73 int x>)))
     (return   74 int
      <const    75 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
     (expStmt  6 int
      (call     7 int
       (addr     8 <PTR <SUBP <<PTR char> > true int>>
        <subp     9 <SUBP <<PTR char> > true int> printf>)
       (list 10
        (decay    11 <PTR char>
         <const    12 <VECT 8 0 char> "input: ">))))
     (expStmt  13 int
      (call     14 int
       (addr     15 <PTR <SUBP <<PTR char> > true int>>
        <subp     16 <SUBP <<PTR char> > true int> scanf>)
       (list 17
        (decay    18 <PTR char>
         <const    19 <VECT 5 0 char> "%d%d">)
        (addr     20 <PTR int>
         <var      21 int x>)
        (addr     22 <PTR int>
         <var      23 int y>))))
     (expStmt  24 int
      (call     25 int
       (addr     26 <PTR <SUBP <<PTR char> > true int>>
        <subp     27 <SUBP <<PTR char> > true int> printf>)
       (list 28
        (decay    29 <PTR char>
         <const    30 <VECT 15 0 char> "GCD(%d, %d) = ">)
        <var      31 int x>
        <var      32 int y>)))
     (while    33 void
     <null 0 void>
     <null 0 void>
      (labeldSt 34 bool
       (list 35
        <labelDef _lab5>)
       (expStmt  37 bool
        (cmpGt    38 bool
         <var      39 int y>
         <const    40 int 0>)))
      (labeldSt 41 void
       (list 42
        <labelDef _lab6>)
       (block    44 void
        (assign   45 int
         <var      46 int r>
         (mod      47 int
          <var      48 int x>
          <var      49 int y>))
        (assign   50 int
         <var      51 int x>
         <var      52 int y>)
        (assign   53 int
         <var      54 int y>
         <var      55 int r>)
        (labeldSt 56 void
         (list 57
          <labelDef _lab3>)
        <null 0 void>)))
      (expStmt  59 int
      <null 0 void>)
     <null 0 void>
      (labeldSt 60 void
       (list 61
        <labelDef _lab4>)
      <null 0 void>))
     (expStmt  63 int
      (call     64 int
       (addr     65 <PTR <SUBP <<PTR char> > true int>>
        <subp     66 <SUBP <<PTR char> > true int> printf>)
       (list 67
        (decay    68 <PTR char>
         <const    69 <VECT 5 0 char> " %d\n">)
        <var      70 int x>)))
     (return   71 int
      <const    72 int 0>))))) 


[LIR]

(FUNCTION "main"
  (SYMTAB
    ("functionvalue.11" FRAME I32 4 0)
    ("functionvalue.9" FRAME I32 4 0)
    ("functionvalue.7" FRAME I32 4 0)
    ("functionvalue.5" FRAME I32 4 0)
    ("returnvalue.4" FRAME I32 4 0)
    ("r.3" FRAME I32 4 0)
    ("y.2" FRAME I32 4 0)
    ("x.1" FRAME I32 4 0) )
    (PROLOGUE (0 0))
    (DEFLABEL (LABEL I32 "_lab1"))
    (CALL (STATIC I32 "printf") ((STATIC I32 "string.6")) ((MEM I32 (FRAME I32 "functionvalue.5"))))
    (CALL (STATIC I32 "scanf") ((STATIC I32 "string.8") (FRAME I32 "x.1") (FRAME I32 "y.2")) ((MEM I32 (FRAME I32 "functionvalue.7"))))
    (CALL (STATIC I32 "printf") ((STATIC I32 "string.10") (MEM I32 (FRAME I32 "x.1")) (MEM I32 (FRAME I32 "y.2"))) ((MEM I32 (FRAME I32 "functionvalue.9"))))
    (DEFLABEL (LABEL I32 "_lab5"))
    (JUMPC (TSTGTS I32 (MEM I32 (FRAME I32 "y.2")) (INTCONST I32 0)) (LABEL I32 "_lab6") (LABEL I32 "_lab4"))
    (DEFLABEL (LABEL I32 "_lab6"))
    (SET I32 (MEM I32 (FRAME I32 "r.3")) (MODS I32 (MEM I32 (FRAME I32 "x.1")) (MEM I32 (FRAME I32 "y.2"))))
    (SET I32 (MEM I32 (FRAME I32 "x.1")) (MEM I32 (FRAME I32 "y.2")))
    (SET I32 (MEM I32 (FRAME I32 "y.2")) (MEM I32 (FRAME I32 "r.3")))
    (DEFLABEL (LABEL I32 "_lab3"))
    (JUMP (LABEL I32 "_lab5"))
    (DEFLABEL (LABEL I32 "_lab4"))
    (CALL (STATIC I32 "printf") ((STATIC I32 "string.12") (MEM I32 (FRAME I32 "x.1"))) ((MEM I32 (FRAME I32 "functionvalue.11"))))
    (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")))
)