#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int digsum(int, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int user;
  printf("Программа подсчитывает сумму цифр в десятичной записи заданного "
         "числа\n");
  printf("Введите число: ");
  scanf("%d", &user);
  printf("\n Сумма: %d", digsum(user, 1));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf30(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf4c(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%edi
mov    $0x1,%esi
call   1050 <digsum@plt>
mov    %eax,%esi
lea    0xf1f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee5(%rip),%rdi
call   1030 <puts@plt>
lea    0xeac(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec8(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%edi
mov    $0x1,%esi
call   1060 <digsum@plt>
lea    0xe9b(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [132 x i8] c"\D0\9F\D1\80\D0\BE\D0\B3\D1\80\D0\B0\D0\BC\D0\BC\D0\B0 \D0\BF\D0\BE\D0\B4\D1\81\D1\87\D0\B8\D1\82\D1\8B\D0\B2\D0\B0\D0\B5\D1\82 \D1\81\D1\83\D0\BC\D0\BC\D1\83 \D1\86\D0\B8\D1\84\D1\80 \D0\B2 \D0\B4\D0\B5\D1\81\D1\8F\D1\82\D0\B8\D1\87\D0\BD\D0\BE\D0\B9 \D0\B7\D0\B0\D0\BF\D0\B8\D1\81\D0\B8 \D0\B7\D0\B0\D0\B4\D0\B0\D0\BD\D0\BD\D0\BE\D0\B3\D0\BE \D1\87\D0\B8\D1\81\D0\BB\D0\B0\0A\00"
@.str.1 = [28 x i8] c"\D0\92\D0\B2\D0\B5\D0\B4\D0\B8\D1\82\D0\B5 \D1\87\D0\B8\D1\81\D0\BB\D0\BE: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [17 x i8] c"\0A \D0\A1\D1\83\D0\BC\D0\BC\D0\B0: %d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([132 x i8], [132 x i8]* @.str, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
%6 = load i32, i32* %2
%7 = call i32 @digsum(i32 %6, i32 1)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.3, i64 0, i64 0), i32 %7)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [28 x i8] c"\D0\92\D0\B2\D0\B5\D0\B4\D0\B8\D1\82\D0\B5 \D1\87\D0\B8\D1\81\D0\BB\D0\BE: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [17 x i8] c"\0A \D0\A1\D1\83\D0\BC\D0\BC\D0\B0: %d\00"
@str = [131 x i8] c"\D0\9F\D1\80\D0\BE\D0\B3\D1\80\D0\B0\D0\BC\D0\BC\D0\B0 \D0\BF\D0\BE\D0\B4\D1\81\D1\87\D0\B8\D1\82\D1\8B\D0\B2\D0\B0\D0\B5\D1\82 \D1\81\D1\83\D0\BC\D0\BC\D1\83 \D1\86\D0\B8\D1\84\D1\80 \D0\B2 \D0\B4\D0\B5\D1\81\D1\8F\D1\82\D0\B8\D1\87\D0\BD\D0\BE\D0\B9 \D0\B7\D0\B0\D0\BF\D0\B8\D1\81\D0\B8 \D0\B7\D0\B0\D0\B4\D0\B0\D0\BD\D0\BD\D0\BE\D0\B3\D0\BE \D1\87\D0\B8\D1\81\D0\BB\D0\B0\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([131 x i8], [131 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %1)
%6 = load i32, i32* %1
%7 = call i32 @digsum(i32 %6, i32 1)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.3, i64 0, i64 0), i32 %7)
ret i32 0
}