#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*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main(void) {
  int n = 0;
  int to_hex = 0;
  printf("0 pour conversion en hex, 1 pour conversion en déc : ");
  scanf("%d", &to_hex);
  if (to_hex) {
    printf("n : ");
    scanf("%X", &n);
    printf("Résultat en hexa : %d\n", n);
  } else {
    printf("n : ");
    scanf("%d", &n);
    printf("Résultat en hexa : %x\n", n);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xebc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee5(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
cmpl   $0x0,-0xc(%rbp)
je     1199 <main+0x79>
lea    0xece(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec5(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%esi
lea    0xeb5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11c8 <main+0xa8>
lea    0xe9a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe89(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%esi
lea    0xe99(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
movl   $0x0,0x8(%rsp)
movl   $0x0,0xc(%rsp)
lea    0xec4(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeed(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
mov    0xc(%rsp),%ebx
lea    0xedb(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
test   %ebx,%ebx
je     1188 <main+0x68>
lea    0xece(%rip),%rdi
lea    0x8(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x8(%rsp),%esi
lea    0xebc(%rip),%rdi
jmp    11a4 <main+0x84>
lea    0xea8(%rip),%rdi
lea    0x8(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x8(%rsp),%esi
lea    0xeb6(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [55 x i8] c"0 pour conversion en hex, 1 pour conversion en d\C3\A9c : \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [5 x i8] c"n : \00"
@.str.3 = [3 x i8] c"%X\00"
@.str.4 = [24 x i8] c"R\C3\A9sultat en hexa : %d\0A\00"
@.str.5 = [24 x i8] c"R\C3\A9sultat en hexa : %x\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
store i32 0, i32* %3
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%6 = load i32, i32* %3
%7 = icmp ne i32 %6, 0
br i1 %7, label %8, label %13
8: ; preds = %0
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %2)
%11 = load i32, i32* %2
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i64 0, i64 0), i32 %11)
br label %18
13: ; preds = %0
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%16 = load i32, i32* %2
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0), i32 %16)
br label %18
18: ; preds = %13, %8
ret i32 0
}

LLVM IR (-O2):
@.str = [55 x i8] c"0 pour conversion en hex, 1 pour conversion en d\C3\A9c : \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [5 x i8] c"n : \00"
@.str.3 = [3 x i8] c"%X\00"
@.str.4 = [24 x i8] c"R\C3\A9sultat en hexa : %d\0A\00"
@.str.5 = [24 x i8] c"R\C3\A9sultat en hexa : %x\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
store i32 0, i32* %1
%4 = bitcast i32* %2 to i8*
store i32 0, i32* %2
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 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 = load i32, i32* %2
%8 = icmp eq i32 %7, 0
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
br i1 %8, label %14, label %10
10: ; preds = %0
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %1)
%12 = load i32, i32* %1
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i64 0, i64 0), i32 %12)
br label %18
14: ; preds = %0
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%16 = load i32, i32* %1
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0), i32 %16)
br label %18
18: ; preds = %14, %10
ret i32 0
}