	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_get_at_prefix_length           ## -- Begin function get_at_prefix_length
	.p2align	4, 0x90
_get_at_prefix_length:                  ## @get_at_prefix_length
	.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	%r13
	pushq	%r12
	pushq	%rbx
	pushq	%rax
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	movl	%esi, %r15d
	movq	%rdi, %r13
	xorl	%r12d, %r12d
	testl	%esi, %esi
	jle	LBB0_2
## %bb.1:
	cmpb	$33, (%r13)
	sete	%r12b
LBB0_2:
	cmpl	%r15d, %r12d
	jge	LBB0_4
## %bb.3:
	movl	%r12d, %eax
	xorl	%ecx, %ecx
	cmpb	$45, (%r13,%rax)
	sete	%cl
	addl	%ecx, %r12d
LBB0_4:
	xorl	%r14d, %r14d
	cmpl	%r15d, %r12d
	jge	LBB0_14
## %bb.5:
	movl	%r12d, %ebx
	movsbl	(%r13,%rbx), %edi
	callq	_isdigit
	testq	%rax, %rax
	je	LBB0_6
## %bb.7:
	movslq	%r15d, %rax
	movq	%rax, -48(%rbp)                 ## 8-byte Spill
	movl	%r15d, %r15d
	decq	%r15
	.p2align	4, 0x90
LBB0_9:                                 ## =>This Inner Loop Header: Depth=1
	cmpq	%rbx, %r15
	je	LBB0_14
## %bb.8:                               ##   in Loop: Header=BB0_9 Depth=1
	movsbl	1(%r13,%rbx), %edi
	callq	_isdigit
	incq	%rbx
	testq	%rax, %rax
	jne	LBB0_9
## %bb.10:
	cmpq	-48(%rbp), %rbx                 ## 8-byte Folded Reload
	setl	%al
	testb	%al, %al
	jne	LBB0_12
	jmp	LBB0_14
LBB0_6:
	movb	$1, %al
	testb	%al, %al
	je	LBB0_14
LBB0_12:
	cmpl	%ebx, %r12d
	je	LBB0_14
## %bb.13:
	movslq	%ebx, %rax
	leal	1(%rbx), %ecx
	xorl	%r14d, %r14d
	cmpb	$64, (%r13,%rax)
	cmovel	%ecx, %r14d
LBB0_14:
	movl	%r14d, %eax
	addq	$8, %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	retq
	.cfi_endproc
                                        ## -- End function
.subsections_via_symbols

	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_get_at_prefix_length           ; -- Begin function get_at_prefix_length
	.p2align	2
_get_at_prefix_length:                  ; @get_at_prefix_length
	.cfi_startproc
; %bb.0:
	stp	x24, x23, [sp, #-64]!           ; 16-byte Folded Spill
	.cfi_def_cfa_offset 64
	stp	x22, x21, [sp, #16]             ; 16-byte Folded Spill
	stp	x20, x19, [sp, #32]             ; 16-byte Folded Spill
	stp	x29, x30, [sp, #48]             ; 16-byte Folded Spill
	add	x29, sp, #48
	.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
	.cfi_offset w23, -56
	.cfi_offset w24, -64
	mov	x20, x1
	mov	x19, x0
	cmp	w1, #1
	b.lt	LBB0_10
; %bb.1:
	ldrb	w8, [x19]
	cmp	w8, #33
	cset	w21, eq
	cmp	w21, w20
	b.ge	LBB0_3
LBB0_2:
	ldrb	w8, [x19, w21, uxtw]
	cmp	w8, #45
	cinc	w21, w21, eq
LBB0_3:
	cmp	w21, w20
	b.ge	LBB0_9
; %bb.4:
	mov	w22, w21
	ldrsb	w0, [x19, x22]
	bl	_isdigit
	cbz	x0, LBB0_11
; %bb.5:
	sxtw	x23, w20
	mov	w8, w20
	add	x20, x19, #1
	sub	x24, x8, #1
LBB0_6:                                 ; =>This Inner Loop Header: Depth=1
	cmp	x24, x22
	b.eq	LBB0_9
; %bb.7:                                ;   in Loop: Header=BB0_6 Depth=1
	ldrsb	w0, [x20, x22]
	bl	_isdigit
	add	x22, x22, #1
	cbnz	x0, LBB0_6
; %bb.8:
	cmp	x22, x23
	cset	w8, lt
	mov	w0, #0
	cbnz	w8, LBB0_12
	b	LBB0_14
LBB0_9:
	mov	w0, #0
	b	LBB0_14
LBB0_10:
	mov	w21, #0
	cmp	w21, w20
	b.lt	LBB0_2
	b	LBB0_3
LBB0_11:
	mov	w8, #1
	mov	w0, #0
	cbz	w8, LBB0_14
LBB0_12:
	cmp	w21, w22
	b.eq	LBB0_14
; %bb.13:
	ldrb	w8, [x19, w22, sxtw]
	cmp	w8, #64
	csinc	w0, wzr, w22, ne
LBB0_14:
	ldp	x29, x30, [sp, #48]             ; 16-byte Folded Reload
	ldp	x20, x19, [sp, #32]             ; 16-byte Folded Reload
	ldp	x22, x21, [sp, #16]             ; 16-byte Folded Reload
	ldp	x24, x23, [sp], #64             ; 16-byte Folded Reload
	ret
	.cfi_endproc
                                        ; -- End function
.subsections_via_symbols
