#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 r;
  printf("Enter radius: ");
  scanf("%f", &r);
  printf("Diameter is %f\n", (2 * r));
  printf("Circumference is %f\n", (2 * 3.14159 * r));
  printf("Area is %f\n", (3.14159 * (r * r)));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xede(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedf(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movss  0xebb(%rip),%xmm0
mulss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xec1(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm1
movsd  0xe8b(%rip),%xmm0
mulsd  %xmm1,%xmm0
lea    0xeae(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0x8(%rbp),%xmm0
mulss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm1
movsd  0xe5b(%rip),%xmm0
mulsd  %xmm1,%xmm0
lea    0xe9b(%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    0xee8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xee9(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
movss  0x4(%rsp),%xmm0
addss  %xmm0,%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xecd(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  0x4(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
mulsd  0xe92(%rip),%xmm0
lea    0xebd(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  0x4(%rsp),%xmm0
mulss  %xmm0,%xmm0
cvtss2sd %xmm0,%xmm0
mulsd  0xe76(%rip),%xmm0
lea    0xeae(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [15 x i8] c"Enter radius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [16 x i8] c"Diameter is %f\0A\00"
@.str.3 = [21 x i8] c"Circumference is %f\0A\00"
@.str.4 = [12 x i8] c"Area is %f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 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* %2)
%5 = load float, float* %2
%6 = fmul float 2.000000e+00, %5
%7 = fpext float %6 to double
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0), double %7)
%9 = load float, float* %2
%10 = fpext float %9 to double
%11 = fmul double 6.283180e+00, %10
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0), double %11)
%13 = load float, float* %2
%14 = load float, float* %2
%15 = fmul float %13, %14
%16 = fpext float %15 to double
%17 = fmul double 3.141590e+00, %16
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), double %17)
ret i32 0
}

LLVM IR (-O2):
@.str = [15 x i8] c"Enter radius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [16 x i8] c"Diameter is %f\0A\00"
@.str.3 = [21 x i8] c"Circumference is %f\0A\00"
@.str.4 = [12 x i8] c"Area 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 ([15 x i8], [15 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 = fpext float %6 to double
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0), double %7)
%9 = load float, float* %1
%10 = fpext float %9 to double
%11 = fmul double %10, 6.283180e+00
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0), double %11)
%13 = load float, float* %1
%14 = fmul float %13, %13
%15 = fpext float %14 to double
%16 = fmul double %15, 3.141590e+00
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), double %16)
ret i32 0
}