llhd 0.16.0

; Drive instructions that form combinational logic
proc @foo (i1 %A) -> (i8$ %D) {
entry:
    %delta = const time 0s 1d 0e
    %D0 = exts i4$, i8$ %D, 0, 4
    ; disabled CHECK-NOT: %D0 = exts i4$, i8$ %D, 0, 4
    %k0i8 = const i8 0
    drv i8$ %D, %k0i8, %delta
    br %A, %wayA, %wayB
wayA:
    ; disabled CHECK-NOT: wayA:
    %k7i4 = const i4 7
    drv i4$ %D0, %k7i4, %delta
    br %final
wayB:
    ; disabled CHECK-NOT: wayB:
    %k15i4 = const i4 15
    drv i4$ %D0, %k15i4, %delta
    br %final
final:
    wait %entry, %A
}