#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 radius, diameter, circumference, area = 0;
  const float pi = 3.14159;
  printf("Please Enter radius of the circle:");
  scanf("%f", &radius);
  diameter = radius * 2;
  circumference = 2 * pi * radius;
  area = pi * radius * radius;
  printf("The diameter of the circle is: %f\n", diameter);
  printf("The circumference of the circle is: %f\n", circumference);
  printf("The area of the circle is: %f\n", area);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
xorps  %xmm0,%xmm0
movss  %xmm0,-0x14(%rbp)
movss  0xec1(%rip),%xmm0
movss  %xmm0,-0x18(%rbp)
lea    0xec1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed6(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movss  0xe9e(%rip),%xmm0
mulss  -0x8(%rbp),%xmm0
movss  %xmm0,-0xc(%rbp)
movss  0xe88(%rip),%xmm0
mulss  -0x8(%rbp),%xmm0
movss  %xmm0,-0x10(%rbp)
movss  0xe72(%rip),%xmm0
mulss  -0x8(%rbp),%xmm0
mulss  -0x8(%rbp),%xmm0
movss  %xmm0,-0x14(%rbp)
movss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe85(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0x10(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe91(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0x14(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xea2(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xedd(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xef2(%rip),%rdi
lea    0x14(%rsp),%rsi
call   1040 <scanf@plt>
movss  0x14(%rsp),%xmm0
movss  0xeaf(%rip),%xmm1
mulss  %xmm0,%xmm1
movss  %xmm1,0xc(%rsp)
movss  0xea1(%rip),%xmm1
mulss  %xmm0,%xmm1
mulss  %xmm0,%xmm1
movss  %xmm1,0x10(%rsp)
addss  %xmm0,%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xeae(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  0xc(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xeb9(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  0x10(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xec9(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [35 x i8] c"Please Enter radius of the circle:\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [35 x i8] c"The diameter of the circle is: %f\0A\00"
@.str.3 = [40 x i8] c"The circumference of the circle is: %f\0A\00"
@.str.4 = [31 x i8] c"The area of the circle is: %f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float
%6 = alloca float
store i32 0, i32* %1
store float 0.000000e+00, float* %5
store float 0x400921FA00000000, float* %6
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%9 = load float, float* %2
%10 = fmul float %9, 2.000000e+00
store float %10, float* %3
%11 = load float, float* %2
%12 = fmul float 0x401921FA00000000, %11
store float %12, float* %4
%13 = load float, float* %2
%14 = fmul float 0x400921FA00000000, %13
%15 = load float, float* %2
%16 = fmul float %14, %15
store float %16, float* %5
%17 = load float, float* %3
%18 = fpext float %17 to double
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0), double %18)
%20 = load float, float* %4
%21 = fpext float %20 to double
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.3, i64 0, i64 0), double %21)
%23 = load float, float* %5
%24 = fpext float %23 to double
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.4, i64 0, i64 0), double %24)
ret i32 0
}

LLVM IR (-O2):
@.str = [35 x i8] c"Please Enter radius of the circle:\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [35 x i8] c"The diameter of the circle is: %f\0A\00"
@.str.3 = [40 x i8] c"The circumference of the circle is: %f\0A\00"
@.str.4 = [31 x i8] c"The area of the circle is: %f\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 ([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 = fmul float %5, 2.000000e+00
%7 = fmul float %5, 0x401921FA00000000
%8 = fmul float %5, 0x400921FA00000000
%9 = fmul float %5, %8
%10 = fpext float %6 to double
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0), double %10)
%12 = fpext float %7 to double
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @.str.3, i64 0, i64 0), double %12)
%14 = fpext float %9 to double
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @.str.4, i64 0, i64 0), double %14)
ret i32 0
}