#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("Enter Temperature in Celsius: ");
  scanf("%f", &c);
  f = ((9 * c) / 5) + 32;
  printf("Temperature in Fahrenheit: %f \n", f);
  printf("\nNOW \n\n");
  printf("Enter Temperature in Fahrenheit: ");
  scanf("%f", &f);
  c = (5 * (f - 32)) / 9;
  printf("Temperature in Celsius: %f \n", c);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xed6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movss  0xeab(%rip),%xmm0
mulss  -0x8(%rbp),%xmm0
movss  0xea2(%rip),%xmm1
divss  %xmm1,%xmm0
movss  0xe9a(%rip),%xmm1
addss  %xmm1,%xmm0
movss  %xmm0,-0xc(%rbp)
movss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xea7(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
lea    0xeb9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe7a(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0xc(%rbp),%xmm1
movss  0xe41(%rip),%xmm0
subss  %xmm0,%xmm1
movss  0xe31(%rip),%xmm0
mulss  %xmm1,%xmm0
movss  0xe21(%rip),%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0x8(%rbp)
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe80(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xed4(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xee5(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0xc(%rsp),%xmm0
mulss  0xe9b(%rip),%xmm0
divss  0xe97(%rip),%xmm0
addss  0xe93(%rip),%xmm0
movss  %xmm0,0x8(%rsp)
cvtss2sd %xmm0,%xmm0
lea    0xeac(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
lea    0xefd(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb2(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0x8(%rsp),%xmm0
addss  0xe4a(%rip),%xmm0
mulss  0xe3a(%rip),%xmm0
divss  0xe2e(%rip),%xmm0
movss  %xmm0,0xc(%rsp)
cvtss2sd %xmm0,%xmm0
lea    0xe91(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [31 x i8] c"Enter Temperature in Celsius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [32 x i8] c"Temperature in Fahrenheit: %f \0A\00"
@.str.3 = [8 x i8] c"\0ANOW \0A\0A\00"
@.str.4 = [34 x i8] c"Enter Temperature in Fahrenheit: \00"
@.str.5 = [29 x i8] c"Temperature in Celsius: %f \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 ([31 x i8], [31 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), float* %2)
%6 = load float, float* %2
%7 = fmul float 9.000000e+00, %6
%8 = fdiv float %7, 5.000000e+00
%9 = fadd float %8, 3.200000e+01
store float %9, float* %3
%10 = load float, float* %3
%11 = fpext float %10 to double
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.2, i64 0, i64 0), double %11)
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.4, i64 0, i64 0))
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%16 = load float, float* %3
%17 = fsub float %16, 3.200000e+01
%18 = fmul float 5.000000e+00, %17
%19 = fdiv float %18, 9.000000e+00
store float %19, float* %2
%20 = load float, float* %2
%21 = fpext float %20 to double
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.5, i64 0, i64 0), double %21)
ret i32 0
}

LLVM IR (-O2):
@.str = [31 x i8] c"Enter Temperature in Celsius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [32 x i8] c"Temperature in Fahrenheit: %f \0A\00"
@.str.4 = [34 x i8] c"Enter Temperature in Fahrenheit: \00"
@.str.5 = [29 x i8] c"Temperature in Celsius: %f \0A\00"
@str = [7 x i8] c"\0ANOW \0A\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = bitcast float* %1 to i8*
%4 = bitcast float* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 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), float* %1)
%7 = load float, float* %1
%8 = fmul float %7, 9.000000e+00
%9 = fdiv float %8, 5.000000e+00
%10 = fadd float %9, 3.200000e+01
store float %10, float* %2
%11 = fpext float %10 to double
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.2, i64 0, i64 0), double %11)
%13 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str, i64 0, i64 0))
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @.str.4, i64 0, i64 0))
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%16 = load float, float* %2
%17 = fadd float %16, -3.200000e+01
%18 = fmul float %17, 5.000000e+00
%19 = fdiv float %18, 9.000000e+00
store float %19, float* %1
%20 = fpext float %19 to double
%21 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @.str.5, i64 0, i64 0), double %20)
ret i32 0
}