fun i32 @foo {
init:
  bid: b0
  allocations: 
    %l0:i32:x
    %l1:i32:y
    %l2:i32:z

block b0:
  %b0:i0:unit = store %b0:p0:i32 %l0:*i32
  %b0:i1:unit = store %b0:p1:i32 %l1:*i32
  %b0:i2:unit = store %b0:p2:i32 %l2:*i32
  %b0:i3:i32 = load %l0:*i32
  %b0:i4:i32 = load %l1:*i32
  %b0:i5:u1 = cmp eq %b0:i3:i32 %b0:i4:i32
  br %b0:i5:u1, b1(), b2()

block b1:
  %b1:i0:i32 = load %l1:*i32
  ret %b1:i0:i32

block b2:
  %b2:i0:i32 = load %l2:*i32
  ret %b2:i0:i32

block b3:
  ret undef:i32

block b4:
  j b3()

block b5:
  j b3()
}

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


block b0:
  %b0:i0:i32 = minus 1:i32
  %b0:i1:i32 = call @foo(0:i32, 1:i32, %b0:i0:i32)
  %b0:i2:i32 = minus 1:i32
  %b0:i3:u1 = cmp eq %b0:i1:i32 %b0:i2:i32
  %b0:i4:i32 = typecast %b0:i3:u1 to i32
  ret %b0:i4:i32

block b1:
  ret 0:i32
}