	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_str_append                     ## -- Begin function str_append
	.p2align	4, 0x90
_str_append:                            ## @str_append
	.cfi_startproc
## %bb.0:
	testq	%rsi, %rsi
	je	LBB0_4
## %bb.1:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register %rbp
	pushq	%r15
	pushq	%r14
	pushq	%rbx
	pushq	%rax
	.cfi_offset %rbx, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	movq	%rsi, %r14
	movq	%rdi, %rbx
	movq	(%rdi), %rdi
	callq	_strlen
	movl	%eax, %r15d
	movq	%r14, %rdi
	callq	_strlen
                                        ## kill: def $eax killed $eax def $rax
	addl	%r15d, %eax
	incl	%eax
	movslq	%eax, %r15
	movq	(%rbx), %rdi
	cmpq	%r15, 8(%rbx)
	jae	LBB0_3
## %bb.2:
	movq	%r15, %rsi
	callq	_realloc
	movq	%rax, %rdi
	movq	%rax, (%rbx)
	movq	%r15, 8(%rbx)
LBB0_3:
	movq	%r14, %rsi
	addq	$8, %rsp
	popq	%rbx
	popq	%r14
	popq	%r15
	popq	%rbp
	jmp	_strcat                         ## TAILCALL
LBB0_4:
	retq
	.cfi_endproc
                                        ## -- End function
.subsections_via_symbols

	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_str_append                     ; -- Begin function str_append
	.p2align	2
_str_append:                            ; @str_append
	.cfi_startproc
; %bb.0:
	cbz	x1, LBB0_4
; %bb.1:
	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, x1
	mov	x20, x0
	ldr	x0, [x0]
	bl	_strlen
	mov	x21, x0
	mov	x0, x19
	bl	_strlen
	add	w8, w21, w0
	add	w8, w8, #1
	sxtw	x21, w8
	ldp	x0, x8, [x20]
	cmp	x8, x21
	b.hs	LBB0_3
; %bb.2:
	mov	x1, x21
	bl	_realloc
	stp	x0, x21, [x20]
LBB0_3:
	mov	x1, x19
	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
	b	_strcat
LBB0_4:
	.cfi_def_cfa wsp, 0
	.cfi_same_value w30
	.cfi_same_value w29
	.cfi_same_value w19
	.cfi_same_value w20
	.cfi_same_value w21
	.cfi_same_value w22
	ret
	.cfi_endproc
                                        ; -- End function
.subsections_via_symbols
