#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(void) {
  float Fahrenheit;
  float Centigrade;
  printf("Enter degrees in Centigrade: ");
  scanf("%f", &Centigrade);
  Fahrenheit = 32 + (Centigrade * (180.0 / 100.0));
  printf("\n\nDegrees in Centigrade Entered: %1.1f", Centigrade);
  printf("\n%1.1f degrees Centigrade equals %1.1f degrees Fahrenheit.\n\n",
         Centigrade, Fahrenheit);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xea2(%rip),%xmm1
mulsd  %xmm1,%xmm0
movsd  0xe9e(%rip),%xmm1
addsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0x8(%rbp)
movss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xeaa(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x8(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xeb1(%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    0xee8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xef8(%rip),%rdi
mov    %rsp,%rsi
call   1040 <scanf@plt>
movss  (%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xeb1(%rip),%xmm1
mulsd  %xmm0,%xmm1
addsd  0xead(%rip),%xmm1
cvtsd2ss %xmm1,%xmm1
movss  %xmm1,0x4(%rsp)
lea    0xec5(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  (%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  0x4(%rsp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xecb(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [30 x i8] c"Enter degrees in Centigrade: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [39 x i8] c"\0A\0ADegrees in Centigrade Entered: %1.1f\00"
@.str.3 = [61 x i8] c"\0A%1.1f degrees Centigrade equals %1.1f degrees Fahrenheit.\0A\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 ([30 x i8], [30 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* %3)
%6 = load float, float* %3
%7 = fpext float %6 to double
%8 = call double @llvm.fmuladd.f64(double %7, double 1.800000e+00, double 3.200000e+01)
%9 = fptrunc double %8 to float
store float %9, float* %2
%10 = load float, float* %3
%11 = fpext float %10 to double
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0), double %11)
%13 = load float, float* %3
%14 = fpext float %13 to double
%15 = load float, float* %2
%16 = fpext float %15 to double
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.3, i64 0, i64 0), double %14, double %16)
ret i32 0
}

LLVM IR (-O2):
@.str = [30 x i8] c"Enter degrees in Centigrade: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [39 x i8] c"\0A\0ADegrees in Centigrade Entered: %1.1f\00"
@.str.3 = [61 x i8] c"\0A%1.1f degrees Centigrade equals %1.1f degrees Fahrenheit.\0A\0A\00"
define i32 @main() {
%1 = alloca float
%2 = bitcast float* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 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 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0), double %6)
%10 = load float, float* %1
%11 = fpext float %10 to double
%12 = fpext float %8 to double
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([61 x i8], [61 x i8]* @.str.3, i64 0, i64 0), double %11, double %12)
ret i32 0
}