#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 /*<<< orphan*/ system(char *);
int main() {
  float far, cel;
  printf("Informe a temperatura em celsius: ");
  scanf("%f", &cel);
  far = 1.8 * cel + 32;
  printf("A temperatura e igual a %f", far);
  system("pause");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed1(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xefe(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xe99(%rip),%xmm1
mulsd  %xmm1,%xmm0
movsd  0xe95(%rip),%xmm1
addsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0x4(%rbp)
movss  -0x4(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xea3(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
lea    0xeb0(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xf05(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
movss  0x4(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
mulsd  0xe9e(%rip),%xmm0
addsd  0xe9e(%rip),%xmm0
cvtsd2ss %xmm0,%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xeba(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
lea    0xec7(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [35 x i8] c"Informe a temperatura em celsius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [27 x i8] c"A temperatura e igual a %f\00"
@.str.3 = [6 x i8] c"pause\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%5 = load float, float* %2
%6 = fpext float %5 to double
%7 = call double @llvm.fmuladd.f64(double 1.800000e+00, double %6, double 3.200000e+01)
%8 = fptrunc double %7 to float
store float %8, float* %1
%9 = load float, float* %1
%10 = fpext float %9 to double
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0), double %10)
%12 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [35 x i8] c"Informe a temperatura em celsius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [27 x i8] c"A temperatura e igual a %f\00"
@.str.3 = [6 x i8] c"pause\00"
define i32 @main() {
%1 = alloca float
%2 = bitcast float* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %1)
%5 = load float, float* %1
%6 = fpext float %5 to double
%7 = call double @llvm.fmuladd.f64(double %6, double 1.800000e+00, double 3.200000e+01)
%8 = fptrunc double %7 to float
%9 = fpext float %8 to double
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0), double %9)
%11 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}