	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_substring                      ## -- Begin function substring
	.p2align	4, 0x90
_substring:                             ## @substring
	.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
	testq	%rdi, %rdi
	je	LBB0_1
## %bb.2:
	movl	%edx, %r12d
	movl	%esi, %ebx
	movq	%rdi, %r15
	testl	%esi, %esi
	jns	LBB0_4
## %bb.3:
	movq	%r15, %rdi
	callq	_strlen
	addl	%ebx, %eax
	movl	%eax, %ebx
LBB0_4:
	xorl	%r14d, %r14d
	testl	%ebx, %ebx
	cmovlel	%r14d, %ebx
	testl	%r12d, %r12d
	cmovlel	%r14d, %r12d
	movq	%r15, %rdi
	callq	_strlen
	cmpq	%rbx, %rax
	cmovael	%ebx, %eax
	movslq	%eax, %r13
	addq	%r15, %r13
	movq	%r13, %rdi
	callq	_strlen
	movq	%rax, %rbx
	cmpq	%r12, %rax
	cmovael	%r12d, %ebx
	leal	1(%rbx), %edi
	callq	_xmalloc
	testq	%rax, %rax
	je	LBB0_6
## %bb.5:
	movq	%rax, %r15
	movq	%rax, %rdi
	movq	%r13, %rsi
	movl	%ebx, %edx
	callq	_memcpy
	movslq	%ebx, %rax
	movb	$0, (%r15,%rax)
	movq	%r15, %r14
	jmp	LBB0_6
LBB0_1:
	xorl	%r14d, %r14d
LBB0_6:
	movq	%r14, %rax
	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	_substring                      ; -- Begin function substring
	.p2align	2
_substring:                             ; @substring
	.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
	cbz	x0, LBB0_5
; %bb.1:
	mov	x20, x2
	mov	x21, x1
	mov	x19, x0
	tbz	w1, #31, LBB0_3
; %bb.2:
	mov	x0, x19
	bl	_strlen
	add	w21, w0, w21
LBB0_3:
	cmp	w21, #0
	csel	w21, w21, wzr, gt
	cmp	w20, #0
	csel	w20, w20, wzr, gt
	mov	x0, x19
	bl	_strlen
	cmp	x0, x21
	csel	w8, w0, w21, lo
	add	x19, x19, w8, sxtw
	mov	x0, x19
	bl	_strlen
	cmp	x0, x20
	csel	w21, w0, w20, lo
	add	w0, w21, #1
	bl	_xmalloc
	mov	x20, x0
	cbz	x0, LBB0_6
; %bb.4:
	mov	x0, x20
	mov	x1, x19
	mov	x2, x21
	bl	_memcpy
	strb	wzr, [x20, w21, sxtw]
	b	LBB0_6
LBB0_5:
	mov	x20, #0
LBB0_6:
	mov	x0, x20
	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
.subsections_via_symbols
