#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() {
  float radius, area, diam;
  float *ptr;
  ptr = &radius;
  printf("Enter value for radius: ");
  scanf("%f", ptr);
  diam = radius * 2;
  area = 3.14 * (radius * radius);
  printf("Radius: %.2f\nDiameter: %.2f\nArea: %.2f\n", radius, diam, area);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x8(%rbp),%rax
mov    %rax,-0x18(%rbp)
lea    0xece(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rsi
lea    0xed5(%rip),%rdi
call   1040 <scanf@plt>
movss  0xeab(%rip),%xmm0
mulss  -0x8(%rbp),%xmm0
movss  %xmm0,-0x10(%rbp)
movss  -0x8(%rbp),%xmm0
mulss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm1
movsd  0xe83(%rip),%xmm0
mulsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0xc(%rbp)
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x10(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
movss  -0xc(%rbp),%xmm2
cvtss2sd %xmm2,%xmm2
lea    0xe7c(%rip),%rdi
mov    $0x3,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee0(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeeb(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
movss  0x4(%rsp),%xmm1
movaps %xmm1,%xmm2
addss  %xmm1,%xmm2
cvtss2sd %xmm1,%xmm0
mulss  %xmm1,%xmm1
cvtss2sd %xmm1,%xmm1
mulsd  0xe9f(%rip),%xmm1
cvtsd2ss %xmm1,%xmm3
xorps  %xmm1,%xmm1
cvtss2sd %xmm2,%xmm1
xorps  %xmm2,%xmm2
cvtss2sd %xmm3,%xmm2
lea    0xeaa(%rip),%rdi
mov    $0x3,%al
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [25 x i8] c"Enter value for radius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [40 x i8] c"Radius: %.2f\0ADiameter: %.2f\0AArea: %.2f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float*
store i32 0, i32* %1
store float* %2, float** %5
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0))
%7 = load float*, float** %5
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %7)
%9 = load float, float* %2
%10 = fmul float %9, 2.000000e+00
store float %10, float* %4
%11 = load float, float* %2
%12 = load float, float* %2
%13 = fmul float %11, %12
%14 = fpext float %13 to double
%15 = fmul double 3.140000e+00, %14
%16 = fptrunc double %15 to float
store float %16, float* %3
%17 = load float, float* %2
%18 = fpext float %17 to double
%19 = load float, float* %4
%20 = fpext float %19 to double
%21 = load float, float* %3
%22 = fpext float %21 to double
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.2, i64 0, i64 0), double %18, double %20, double %22)
ret i32 0
}

LLVM IR (-O2):
@.str = [25 x i8] c"Enter value for radius: \00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [40 x i8] c"Radius: %.2f\0ADiameter: %.2f\0AArea: %.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 ([25 x i8], [25 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, %5
%8 = fpext float %7 to double
%9 = fmul double %8, 3.140000e+00
%10 = fptrunc double %9 to float
%11 = fpext float %5 to double
%12 = fpext float %6 to double
%13 = fpext float %10 to double
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @.str.2, i64 0, i64 0), double %11, double %12, double %13)
ret i32 0
}