test compile
target x86_64 has_popcnt has_sse42
feature "experimental_x64"

function %popcnt(i64) -> i64 {
block0(v0: i64):
    v1 = popcnt v0
    return v1
}

; check: pushq   %rbp
; check: movq    %rsp, %rbp
; check: popcntq %rdi, %rsi
; check: movq    %rsi, %rax
; check: movq    %rbp, %rsp
; check: popq    %rbp
; check: ret

function %popcnt(i32) -> i32 {
block0(v0: i32):
    v1 = popcnt v0
    return v1
}

; check: pushq   %rbp
; check: movq    %rsp, %rbp
; check: popcntl %edi, %esi
; check: movq    %rsi, %rax
; check: movq    %rbp, %rsp
; check: popq    %rbp
; check: ret