test compile
target x86_64
feature "experimental_x64"

; TODO: test with popcnt feature available too, once new backend supports that.

function %popcnt64(i64) -> i64 {
block0(v0: i64):
    v1 = popcnt v0
; check:  movq    %rdi, %rsi
; nextln: shrq    $$1, %rsi
; nextln: movabsq $$8608480567731124087, %rax
; nextln: andq    %rax, %rsi
; nextln: subq    %rsi, %rdi
; nextln: shrq    $$1, %rsi
; nextln: andq    %rax, %rsi
; nextln: subq    %rsi, %rdi
; nextln: shrq    $$1, %rsi
; nextln: andq    %rax, %rsi
; nextln: subq    %rsi, %rdi
; nextln: movq    %rdi, %rsi
; nextln: shrq    $$4, %rsi
; nextln: addq    %rdi, %rsi
; nextln: movabsq $$1085102592571150095, %rdi
; nextln: andq    %rdi, %rsi
; nextln: movabsq $$72340172838076673, %rdi
; nextln: imulq   %rdi, %rsi
; nextln: shrq    $$56, %rsi
; nextln: movq    %rsi, %rax
    return v1
}

function %popcnt64load(i64) -> i64 {
block0(v0: i64):
    v1 = load.i64 v0
    v2 = popcnt v1
    return v2
; check:  movq    0(%rdi), %rdi
; nextln: movq    %rdi, %rsi
; nextln: shrq    $$1, %rsi
; nextln: movabsq $$8608480567731124087, %rax
; nextln: andq    %rax, %rsi
; nextln: subq    %rsi, %rdi
; nextln: shrq    $$1, %rsi
; nextln: andq    %rax, %rsi
; nextln: subq    %rsi, %rdi
; nextln: shrq    $$1, %rsi
; nextln: andq    %rax, %rsi
; nextln: subq    %rsi, %rdi
; nextln: movq    %rdi, %rsi
; nextln: shrq    $$4, %rsi
; nextln: addq    %rdi, %rsi
; nextln: movabsq $$1085102592571150095, %rdi
; nextln: andq    %rdi, %rsi
; nextln: movabsq $$72340172838076673, %rdi
; nextln: imulq   %rdi, %rsi
; nextln: shrq    $$56, %rsi
; nextln: movq    %rsi, %rax
}

function %popcnt32(i32) -> i32 {
block0(v0: i32):
    v1 = popcnt v0
    return v1
; check:  movq    %rdi, %rsi
; nextln: shrl    $$1, %esi
; nextln: andl    $$2004318071, %esi
; nextln: subl    %esi, %edi
; nextln: shrl    $$1, %esi
; nextln: andl    $$2004318071, %esi
; nextln: subl    %esi, %edi
; nextln: shrl    $$1, %esi
; nextln: andl    $$2004318071, %esi
; nextln: subl    %esi, %edi
; nextln: movq    %rdi, %rsi
; nextln: shrl    $$4, %esi
; nextln: addl    %edi, %esi
; nextln: andl    $$252645135, %esi
; nextln: imull   $$16843009, %esi
; nextln: shrl    $$24, %esi
; nextln: movq    %rsi, %rax
; nextln: movq    %rbp, %rsp
; nextln: popq    %rbp
; nextln: ret
}

function %popcnt32load(i64) -> i32 {
block0(v0: i64):
    v1 = load.i32 v0
    v2 = popcnt v1
    return v2
; check:  movl    0(%rdi), %edi
; nextln: movq    %rdi, %rsi
; nextln: shrl    $$1, %esi
; nextln: andl    $$2004318071, %esi
; nextln: subl    %esi, %edi
; nextln: shrl    $$1, %esi
; nextln: andl    $$2004318071, %esi
; nextln: subl    %esi, %edi
; nextln: shrl    $$1, %esi
; nextln: andl    $$2004318071, %esi
; nextln: subl    %esi, %edi
; nextln: movq    %rdi, %rsi
; nextln: shrl    $$4, %esi
; nextln: addl    %edi, %esi
; nextln: andl    $$252645135, %esi
; nextln: imull   $$16843009, %esi
; nextln: shrl    $$24, %esi
; nextln: movq    %rsi, %rax
; nextln: movq    %rbp, %rsp
; nextln: popq    %rbp
; nextln: ret
}