#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 *);
float sin(int);
int main(void) {
  float result, val;
  int x;
  printf("Enter x: ");
  scanf("%d", &x);
  val = 3.14159265 / 180;
  result = sin(x * val);
  printf("%.2f", result);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xebe(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeba(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1050 <scanf@plt>
movss  0xe9b(%rip),%xmm0
movss  %xmm0,-0xc(%rbp)
cvtsi2ssl -0x10(%rbp),%xmm0
mulss  -0xc(%rbp),%xmm0
cvttss2si %xmm0,%edi
call   1040 <sin@plt>
movss  %xmm0,-0x8(%rbp)
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe7f(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xecc(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec8(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
cvtsi2ssl 0x4(%rsp),%xmm0
mulss  0xea2(%rip),%xmm0
cvttss2si %xmm0,%edi
call   1040 <sin@plt>
cvtss2sd %xmm0,%xmm0
lea    0xe9f(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [10 x i8] c"Enter x: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [5 x i8] c"%.2f\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca i32
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 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* %4)
store float 0x3F91DF46A0000000, float* %3
%7 = load i32, i32* %4
%8 = sitofp i32 %7 to float
%9 = load float, float* %3
%10 = fmul float %8, %9
%11 = fptosi float %10 to i32
%12 = call float @sin(i32 %11)
store float %12, float* %2
%13 = load float, float* %2
%14 = fpext float %13 to double
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), double %14)
ret i32 0
}

LLVM IR (-O2):
@.str = [10 x i8] c"Enter x: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [5 x i8] c"%.2f\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 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), i32* %1)
%5 = load i32, i32* %1
%6 = sitofp i32 %5 to float
%7 = fmul float %6, 0x3F91DF46A0000000
%8 = fptosi float %7 to i32
%9 = call float @sin(i32 %8)
%10 = fpext float %9 to double
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), double %10)
ret i32 0
}