	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_isprefix                       ## -- Begin function isprefix
	.p2align	4, 0x90
_isprefix:                              ## @isprefix
	.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
	movb	(%rdi), %al
	testb	%al, %al
	je	LBB0_1
## %bb.2:
	movq	%rsi, %r15
	movq	%rdi, %rbx
	movsbl	(%rsi), %r12d
	movsbl	%al, %edi
	callq	_LOWER
	movq	%rax, %r14
	movl	%r12d, %edi
	callq	_LOWER
	cmpq	%rax, %r14
	movq	%rbx, -48(%rbp)                 ## 8-byte Spill
	movq	%rbx, %r12
	jne	LBB0_5
	.p2align	4, 0x90
LBB0_3:                                 ## =>This Inner Loop Header: Depth=1
	movsbl	1(%r12), %r13d
	incq	%r12
	movsbl	1(%r15), %r14d
	incq	%r15
	movl	%r13d, %edi
	callq	_LOWER
	movq	%rax, %rbx
	movl	%r14d, %edi
	callq	_LOWER
	testl	%r13d, %r13d
	je	LBB0_5
## %bb.4:                               ##   in Loop: Header=BB0_3 Depth=1
	cmpq	%rax, %rbx
	je	LBB0_3
LBB0_5:
	cmpb	$0, (%r12)
	je	LBB0_7
## %bb.6:
	xorl	%r12d, %r12d
	jmp	LBB0_10
LBB0_1:
	movl	$-1, %r12d
	jmp	LBB0_10
LBB0_7:
	cmpb	$0, (%r15)
	je	LBB0_9
## %bb.8:
	subq	-48(%rbp), %r12                 ## 8-byte Folded Reload
	jmp	LBB0_10
LBB0_9:
	movq	-48(%rbp), %rax                 ## 8-byte Reload
	subq	%r12, %rax
	movq	%rax, %r12
LBB0_10:
	movl	%r12d, %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	_isprefix                       ; -- Begin function isprefix
	.p2align	2
_isprefix:                              ; @isprefix
	.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
	ldrb	w8, [x0]
	cbz	w8, LBB0_5
; %bb.1:
	mov	x20, x1
	mov	x19, x0
	ldrsb	w21, [x1]
	sxtb	w0, w8
	bl	_LOWER
	mov	x22, x0
	mov	x0, x21
	bl	_LOWER
	mov	x24, x19
	cmp	x22, x0
	b.ne	LBB0_3
LBB0_2:                                 ; =>This Inner Loop Header: Depth=1
	ldrsb	w21, [x24, #1]!
	ldrsb	w22, [x20, #1]!
	mov	x0, x21
	bl	_LOWER
	mov	x23, x0
	mov	x0, x22
	bl	_LOWER
	cmp	w21, #0
	ccmp	x23, x0, #0, ne
	b.eq	LBB0_2
LBB0_3:
	ldrb	w8, [x24]
	cbz	w8, LBB0_6
; %bb.4:
	mov	x0, #0
	b	LBB0_7
LBB0_5:
	mov	w0, #-1
	b	LBB0_7
LBB0_6:
	ldrb	w8, [x20]
	sub	x9, x19, x24
	sub	x10, x24, x19
	cmp	w8, #0
	csel	x0, x9, x10, eq
LBB0_7:
                                        ; kill: def $w0 killed $w0 killed $x0
	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
