#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 */
double area(float);
double circumference(float);
double diameter(float);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, float *);
int main() {
  float radius;
  printf("Input the radius: ");
  scanf("%f", &radius);
  printf("Diameter is %.2f\n", diameter(radius));
  printf("Area is %.2f\n", area(radius));
  printf("Circumference is %.2f\n", circumference(radius));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xe9a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe9f(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
movss  -0x8(%rbp),%xmm0
call   1060 <diameter@plt>
lea    0xe88(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0x8(%rbp),%xmm0
call   1040 <area@plt>
lea    0xe82(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  -0x8(%rbp),%xmm0
call   1070 <circumference@plt>
lea    0xe78(%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    0xea8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xead(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
movss  0x4(%rsp),%xmm0
call   1060 <diameter@plt>
lea    0xe94(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  0x4(%rsp),%xmm0
call   1040 <area@plt>
lea    0xe8d(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
movss  0x4(%rsp),%xmm0
call   1070 <circumference@plt>
lea    0xe82(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [19 x i8] c"Input the radius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [18 x i8] c"Diameter is %.2f\0A\00"
@.str.3 = [14 x i8] c"Area is %.2f\0A\00"
@.str.4 = [23 x i8] c"Circumference is %.2f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 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 = call double @diameter(float %5)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), double %6)
%8 = load float, float* %2
%9 = call double @area(float %8)
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), double %9)
%11 = load float, float* %2
%12 = call double @circumference(float %11)
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), double %12)
ret i32 0
}

LLVM IR (-O2):
@.str = [19 x i8] c"Input the radius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [18 x i8] c"Diameter is %.2f\0A\00"
@.str.3 = [14 x i8] c"Area is %.2f\0A\00"
@.str.4 = [23 x i8] c"Circumference is %.2f\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 ([19 x i8], [19 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 = call double @diameter(float %5)
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), double %6)
%8 = load float, float* %1
%9 = call double @area(float %8)
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), double %9)
%11 = load float, float* %1
%12 = call double @circumference(float %11)
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), double %12)
ret i32 0
}