#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 *, float *);
int main() {
  float c, f;
  printf("\n\t\t-------------------		"
         "\n\t\tMETERS==>KILOMETERS		\n\t\t-------------------\n\n");
  printf("Entra els metres:");
  scanf("%f", &c);
  f = c / 1000;
  printf("\n%.2f metres son %.2f kilometres.\n", c, f);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xece(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf09(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf0d(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
movss  0xe98(%rip),%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0xc(%rbp)
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0xc(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xed8(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xf04(%rip),%rdi
call   1030 <puts@plt>
lea    0xec0(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec4(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
movss  0x4(%rsp),%xmm1
cvtss2sd %xmm1,%xmm0
divss  0xe92(%rip),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xea0(%rip),%rdi
mov    $0x2,%al
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [73 x i8] c"\0A\09\09-------------------\09\09\0A\09\09METERS==>KILOMETERS\09\09\0A\09\09-------------------\0A\0A\00"
@.str.1 = [18 x i8] c"Entra els metres:\00"
@.str.2 = [3 x i8] c"%f\00"
@.str.3 = [35 x i8] c"\0A%.2f metres son %.2f kilometres.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([73 x i8], [73 x i8]* @.str, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), float* %2)
%7 = load float, float* %2
%8 = fdiv float %7, 1.000000e+03
store float %8, float* %3
%9 = load float, float* %2
%10 = fpext float %9 to double
%11 = load float, float* %3
%12 = fpext float %11 to double
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.3, i64 0, i64 0), double %10, double %12)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [18 x i8] c"Entra els metres:\00"
@.str.2 = [3 x i8] c"%f\00"
@.str.3 = [35 x i8] c"\0A%.2f metres son %.2f kilometres.\0A\00"
@str = [72 x i8] c"\0A\09\09-------------------\09\09\0A\09\09METERS==>KILOMETERS\09\09\0A\09\09-------------------\0A\00"
define i32 @main() {
%1 = alloca float
%2 = bitcast float* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([72 x i8], [72 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 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), float* %1)
%6 = load float, float* %1
%7 = fdiv float %6, 1.000000e+03
%8 = fpext float %6 to double
%9 = fpext float %7 to double
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @.str.3, i64 0, i64 0), double %8, double %9)
ret i32 0
}