#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 /*<<< orphan*/ itooa(int, char *, int);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int n, width;
  char str[100];
  printf("Enter the number to be converted : \n");
  scanf("%d", &n);
  printf("Enter the width of the string: \n");
  scanf("%d", &width);
  itooa(n, str, width);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x70,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
call   1030 <printf@plt>
lea    0xed3(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xec6(%rip),%rdi
call   1030 <printf@plt>
lea    0xeb7(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%edi
lea    -0x70(%rbp),%rsi
mov    -0xc(%rbp),%edx
call   1040 <itooa@plt>
xor    %eax,%eax
add    $0x70,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x80,%rsp
lea    0xec4(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb5(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xec8(%rip),%rdi
call   1030 <puts@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    0xc(%rsp),%edi
mov    0x8(%rsp),%edx
lea    0x10(%rsp),%rsi
call   1040 <itooa@plt>
xor    %eax,%eax
add    $0x80,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [37 x i8] c"Enter the number to be converted : \0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [33 x i8] c"Enter the width of the string: \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca [100 x i8]
store i32 0, i32* %1
%5 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%7 = call i32 @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%9 = load i32, i32* %2
%10 = getelementptr inbounds [100 x i8], [100 x i8]* %4, i64 0, i64 0
%11 = load i32, i32* %3
%12 = call i32 @itooa(i32 %9, i8* %10, i32 %11)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@str = [36 x i8] c"Enter the number to be converted : \00"
@str.3 = [32 x i8] c"Enter the width of the string: \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca [100 x i8]
%4 = bitcast i32* %1 to i8*
%5 = bitcast i32* %2 to i8*
%6 = getelementptr inbounds [100 x i8], [100 x i8]* %3, i64 0, i64 0
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%9 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.3, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%11 = load i32, i32* %1
%12 = load i32, i32* %2
%13 = call i32 @itooa(i32 %11, i8* %6, i32 %12)
ret i32 0
}