cs420/examples/opt/fib4.ir

fun i32 @fibonacci (i32) {
init:
  bid: b0
  allocations: 


block b0:
  %b0:p0:i32:n
  %b0:i0:u1 = cmp lt %b0:p0:i32 2:i32
  br %b0:i0:u1, b1(), b5(1:i32, 0:i32, 1:i32)

block b1:
  ret %b0:p0:i32

block b5:
  %b5:p0:i32:i
  %b5:p1:i32:t1
  %b5:p2:i32:t2
  %b5:i0:u1 = cmp lt %b5:p0:i32 %b0:p0:i32
  br %b5:i0:u1, b6(), b7()

block b6:
  %b6:i0:i32 = add %b5:p1:i32 %b5:p2:i32
  %b6:i1:i32 = add %b5:p0:i32 1:i32
  j b5(%b6:i1:i32, %b5:p2:i32, %b6:i0:i32)

block b7:
  ret %b5:p2:i32
}

fun i32 @main () {
init:
  bid: b0
  allocations: 


block b0:
  %b0:i0:i32 = call @fibonacci:[ret:i32 params:(i32)]*(9:i32)
  %b0:i1:u1 = cmp eq %b0:i0:i32 34:i32
  %b0:i2:i32 = typecast %b0:i1:u1 to i32
  ret %b0:i2:i32
}