	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.p2align	4, 0x90                         ## -- Begin function isNull
_isNull:                                ## @isNull
	.cfi_startproc
## %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register %rbp
	pushq	%r15
	pushq	%r14
	pushq	%r12
	pushq	%rbx
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	movl	%ecx, %r15d
	movl	%edx, %ebx
	movq	%rsi, %r14
	movq	%rdi, %r12
	cmpl	$4, %ecx
	jb	LBB0_4
	.p2align	4, 0x90
LBB0_1:                                 ## =>This Inner Loop Header: Depth=1
	movl	(%r12), %edi
	movl	%ebx, %esi
	addq	%r14, %rsi
	movl	$4, %edx
	callq	_memcmp
	testq	%rax, %rax
	je	LBB0_2
## %bb.3:                               ##   in Loop: Header=BB0_1 Depth=1
	addl	$4, %ebx
	addl	$-4, %r15d
	cmpl	$3, %r15d
	ja	LBB0_1
LBB0_4:
	testl	%r15d, %r15d
	je	LBB0_5
## %bb.6:
	movl	(%r12), %edi
	movl	%ebx, %eax
	addq	%rax, %r14
	movq	%r14, %rsi
	movl	%r15d, %edx
	callq	_memcmp
	movq	%rax, %rcx
	xorl	%eax, %eax
	testq	%rcx, %rcx
	sete	%al
	jmp	LBB0_7
LBB0_2:
	xorl	%eax, %eax
	jmp	LBB0_7
LBB0_5:
	movl	$1, %eax
LBB0_7:
	popq	%rbx
	popq	%r12
	popq	%r14
	popq	%r15
	popq	%rbp
	retq
	.cfi_endproc
                                        ## -- End function
	.no_dead_strip	_isNull
.subsections_via_symbols

	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.p2align	2                               ; -- Begin function isNull
_isNull:                                ; @isNull
	.cfi_startproc
; %bb.0:
	stp	x22, x21, [sp, #-48]!           ; 16-byte Folded Spill
	.cfi_def_cfa_offset 48
	stp	x20, x19, [sp, #16]             ; 16-byte Folded Spill
	stp	x29, x30, [sp, #32]             ; 16-byte Folded Spill
	add	x29, sp, #32
	.cfi_def_cfa w29, 16
	.cfi_offset w30, -8
	.cfi_offset w29, -16
	.cfi_offset w19, -24
	.cfi_offset w20, -32
	.cfi_offset w21, -40
	.cfi_offset w22, -48
	mov	x19, x3
	mov	x20, x2
	mov	x21, x1
	mov	x22, x0
	cmp	w3, #4
	b.lo	LBB0_3
LBB0_1:                                 ; =>This Inner Loop Header: Depth=1
	ldr	w0, [x22]
	add	x1, x21, w20, uxtw
	mov	w2, #4
	bl	_memcmp
	cbz	x0, LBB0_6
; %bb.2:                                ;   in Loop: Header=BB0_1 Depth=1
	add	w20, w20, #4
	sub	w19, w19, #4
	cmp	w19, #3
	b.hi	LBB0_1
LBB0_3:
	cbz	w19, LBB0_5
; %bb.4:
	ldr	w0, [x22]
	add	x1, x21, w20, uxtw
	mov	x2, x19
	bl	_memcmp
	cmp	x0, #0
	cset	w0, eq
	b	LBB0_6
LBB0_5:
	mov	w0, #1
LBB0_6:
	ldp	x29, x30, [sp, #32]             ; 16-byte Folded Reload
	ldp	x20, x19, [sp, #16]             ; 16-byte Folded Reload
	ldp	x22, x21, [sp], #48             ; 16-byte Folded Reload
	ret
	.cfi_endproc
                                        ; -- End function
	.no_dead_strip	_isNull
.subsections_via_symbols
