Files
cs420/examples/ir4/fib2.ir
2020-06-14 12:58:28 +00:00

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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(), b2()
block b1:
ret %b0:p0:i32
block b2:
%b2:i0:i32 = sub %b0:p0:i32 2:i32
%b2:i1:i32 = call @fibonacci:[ret:i32 params:(i32)]*(%b2:i0:i32)
%b2:i2:i32 = sub %b0:p0:i32 1:i32
%b2:i3:i32 = call @fibonacci:[ret:i32 params:(i32)]*(%b2:i2:i32)
%b2:i4:i32 = add %b2:i1:i32 %b2:i3:i32
ret %b2:i4: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
}