#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 *);
main() {
  float R, pi;
  printf("R=");
  scanf("%f", &R);
  pi = 3.14159;
  printf("P=%f\nS=%f\nD=%f\n", 2 * pi * R, pi * R * R, 2 * R);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec7(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movss  0xeaf(%rip),%xmm0
movss  %xmm0,-0xc(%rbp)
movss  0xe9e(%rip),%xmm0
mulss  -0xc(%rbp),%xmm0
mulss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0xc(%rbp),%xmm1
mulss  -0x8(%rbp),%xmm1
mulss  -0x8(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
movss  0xe75(%rip),%xmm2
mulss  -0x8(%rbp),%xmm2
cvtss2sd %xmm2,%xmm2
lea    0xe73(%rip),%rdi
mov    $0x3,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee0(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xed5(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
movss  0x4(%rsp),%xmm2
movss  0xeb2(%rip),%xmm0
mulss  %xmm2,%xmm0
cvtss2sd %xmm0,%xmm0
movss  0xea6(%rip),%xmm1
mulss  %xmm2,%xmm1
mulss  %xmm2,%xmm1
cvtss2sd %xmm1,%xmm1
addss  %xmm2,%xmm2
cvtss2sd %xmm2,%xmm2
lea    0xe95(%rip),%rdi
mov    $0x3,%al
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"R=\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [16 x i8] c"P=%f\0AS=%f\0AD=%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 ([3 x i8], [3 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)
store float 0x400921FA00000000, float* %3
%6 = load float, float* %3
%7 = fmul float 2.000000e+00, %6
%8 = load float, float* %2
%9 = fmul float %7, %8
%10 = fpext float %9 to double
%11 = load float, float* %3
%12 = load float, float* %2
%13 = fmul float %11, %12
%14 = load float, float* %2
%15 = fmul float %13, %14
%16 = fpext float %15 to double
%17 = load float, float* %2
%18 = fmul float 2.000000e+00, %17
%19 = fpext float %18 to double
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0), double %10, double %16, double %19)
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"R=\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [16 x i8] c"P=%f\0AS=%f\0AD=%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 ([3 x i8], [3 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, 0x401921FA00000000
%7 = fpext float %6 to double
%8 = fmul float %5, 0x400921FA00000000
%9 = fmul float %5, %8
%10 = fpext float %9 to double
%11 = fmul float %5, 2.000000e+00
%12 = fpext float %11 to double
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0), double %7, double %10, double %12)
ret i32 0
}