cs420/examples/ir/float.ir

fun f64 @average {
init:
  bid: b0
  allocations: 
    %l0:i32:len
    %l1:*i32:a
    %l2:i32:sum
    %l3:i32:i

block b0:
  %b0:i0:unit = store %b0:p0:i32 %l0:*i32
  %b0:i1:unit = store %b0:p1:*i32 %l1:**i32
  %b0:i2:unit = store 0:i32 %l2:*i32
  j b1()

block b1:
  %b1:i0:unit = store 0:i32 %l3:*i32
  j b2()

block b2:
  %b2:i0:i32 = load %l3:*i32
  %b2:i1:i32 = load %l0:*i32
  %b2:i2:u1 = cmp lt %b2:i0:i32 %b2:i1:i32
  br %b2:i2:u1, b3(), b5()

block b3:
  %b3:i0:i32 = load %l2:*i32
  %b3:i1:*i32 = load %l1:**i32
  %b3:i2:i32 = load %l3:*i32
  %b3:i3:i64 = typecast %b3:i2:i32 to i64
  %b3:i4:i64 = mul %b3:i3:i64 4:i64
  %b3:i5:*i32 = getelementptr %b3:i1 offset %b3:i4
  %b3:i6:i32 = load %b3:i5:*i32
  %b3:i7:i32 = add %b3:i0:i32 %b3:i6:i32
  %b3:i8:unit = store %b3:i7:i32 %l2:*i32
  j b4()

block b4:
  %b4:i0:i32 = load %l3:*i32
  %b4:i1:i32 = add %b4:i0:i32 1:i32
  %b4:i2:unit = store %b4:i1:i32 %l3:*i32
  j b2()

block b5:
  %b5:i0:i32 = load %l2:*i32
  %b5:i1:f64 = typecast %b5:i0:i32 to f64
  %b5:i2:i32 = load %l0:*i32
  %b5:i3:f64 = typecast %b5:i2:i32 to f64
  %b5:i4:f64 = div %b5:i1:f64 %b5:i3:f64
  ret %b5:i4:f64

block b6:
  ret undef:f64
}

fun f64 @custom_abs {
init:
  bid: b0
  allocations: 
    %l0:f64:a
    %l1:f64:t0

block b0:
  %b0:i0:unit = store %b0:p0:f64 %l0:*f64
  %b0:i1:f64 = load %l0:*f64
  %b0:i2:f64 = typecast 0:i32 to f64
  %b0:i3:u1 = cmp lt %b0:i1:f64 %b0:i2:f64
  br %b0:i3:u1, b1(), b2()

block b1:
  %b1:i0:f64 = load %l0:*f64
  %b1:i1:f64 = minus %b1:i0:f64
  %b1:i2:unit = store %b1:i1:f64 %l1:*f64
  j b3()

block b2:
  %b2:i0:f64 = load %l0:*f64
  %b2:i1:unit = store %b2:i0:f64 %l1:*f64
  j b3()

block b3:
  %b3:i0:f64 = load %l1:*f64
  ret %b3:i0:f64

block b4:
  ret undef:f64
}

fun f64 @custom_max {
init:
  bid: b0
  allocations: 
    %l0:f64:a
    %l1:f64:b
    %l2:f64:t0

block b0:
  %b0:i0:unit = store %b0:p0:f64 %l0:*f64
  %b0:i1:unit = store %b0:p1:f64 %l1:*f64
  %b0:i2:f64 = load %l0:*f64
  %b0:i3:f64 = load %l1:*f64
  %b0:i4:u1 = cmp gt %b0:i2:f64 %b0:i3:f64
  br %b0:i4:u1, b1(), b2()

block b1:
  %b1:i0:f64 = load %l0:*f64
  %b1:i1:unit = store %b1:i0:f64 %l2:*f64
  j b3()

block b2:
  %b2:i0:f64 = load %l1:*f64
  %b2:i1:unit = store %b2:i0:f64 %l2:*f64
  j b3()

block b3:
  %b3:i0:f64 = load %l2:*f64
  ret %b3:i0:f64

block b4:
  ret undef:f64
}

fun i32 @is_close {
init:
  bid: b0
  allocations: 
    %l0:f64:a
    %l1:f64:b
    %l2:f64:rel_tol
    %l3:f64:abs_tol

block b0:
  %b0:i0:unit = store %b0:p0:f64 %l0:*f64
  %b0:i1:unit = store %b0:p1:f64 %l1:*f64
  %b0:i2:unit = store %b0:p2:f64 %l2:*f64
  %b0:i3:unit = store %b0:p3:f64 %l3:*f64
  %b0:i4:f64 = load %l0:*f64
  %b0:i5:f64 = load %l1:*f64
  %b0:i6:f64 = sub %b0:i4:f64 %b0:i5:f64
  %b0:i7:f64 = call @custom_abs(%b0:i6:f64)
  %b0:i8:f64 = load %l2:*f64
  %b0:i9:f64 = load %l0:*f64
  %b0:i10:f64 = call @custom_abs(%b0:i9:f64)
  %b0:i11:f64 = load %l1:*f64
  %b0:i12:f64 = call @custom_abs(%b0:i11:f64)
  %b0:i13:f64 = call @custom_max(%b0:i10:f64, %b0:i12:f64)
  %b0:i14:f64 = mul %b0:i8:f64 %b0:i13:f64
  %b0:i15:f64 = load %l3:*f64
  %b0:i16:f64 = call @custom_max(%b0:i14:f64, %b0:i15:f64)
  %b0:i17:u1 = cmp le %b0:i7:f64 %b0:i16:f64
  %b0:i18:i32 = typecast %b0:i17:u1 to i32
  ret %b0:i18:i32

block b1:
  ret undef:i32
}

fun i32 @main {
init:
  bid: b0
  allocations: 
    %l0:[10 x i32]:a
    %l1:i32:len
    %l2:i32:i
    %l3:f32:avg

block b0:
  %b0:i0:unit = store 10:i32 %l1:*i32
  j b1()

block b1:
  %b1:i0:unit = store 0:i32 %l2:*i32
  j b2()

block b2:
  %b2:i0:i32 = load %l2:*i32
  %b2:i1:i32 = load %l1:*i32
  %b2:i2:u1 = cmp lt %b2:i0:i32 %b2:i1:i32
  br %b2:i2:u1, b3(), b5()

block b3:
  %b3:i0:*i32 = getelementptr %l0 offset 0
  %b3:i1:i32 = load %l2:*i32
  %b3:i2:i64 = typecast %b3:i1:i32 to i64
  %b3:i3:i64 = mul %b3:i2:i64 4:i64
  %b3:i4:*i32 = getelementptr %b3:i0 offset %b3:i3
  %b3:i5:i32 = load %l2:*i32
  %b3:i6:unit = store %b3:i5:i32 %b3:i4:*i32
  j b4()

block b4:
  %b4:i0:i32 = load %l2:*i32
  %b4:i1:i32 = add %b4:i0:i32 1:i32
  %b4:i2:unit = store %b4:i1:i32 %l2:*i32
  j b2()

block b5:
  %b5:i0:i32 = load %l1:*i32
  %b5:i1:*i32 = getelementptr %l0 offset 0
  %b5:i2:f64 = call @average(%b5:i0:i32, %b5:i1:*i32)
  %b5:i3:f32 = typecast %b5:i2:f64 to f32
  %b5:i4:unit = store %b5:i3:f32 %l3:*f32
  %b5:i5:f32 = load %l3:*f32
  %b5:i6:f64 = typecast %b5:i5:f32 to f64
  %b5:i7:i32 = call @is_close(%b5:i6:f64, 4.5:f64, 0.000000001:f64, 0.1:f64)
  ret %b5:i7:i32

block b6:
  ret 0:i32
}