#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 area, circum, radius;
  printf("What is the radius of your pizza?\n");
  scanf("%f", &radius);
  area = 3.14159 * radius * radius;
  circum = 2.0f * 3.14159 * radius;
  printf("Your basic pizza parameters are as follows:\n");
  printf("circumference = %1.2f, area = %1.2f\n", circum, area);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeef(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x10(%rbp),%xmm0
cvtss2sd %xmm0,%xmm1
movsd  0xeaa(%rip),%xmm0
mulsd  %xmm1,%xmm0
movss  -0x10(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
mulsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0x8(%rbp)
movss  -0x10(%rbp),%xmm0
cvtss2sd %xmm0,%xmm1
movsd  0xe77(%rip),%xmm0
mulsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0xc(%rbp)
lea    0xe99(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movss  -0xc(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x8(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xea6(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xefd(%rip),%rdi
call   1030 <puts@plt>
lea    0xec9(%rip),%rdi
lea    0x14(%rsp),%rsi
call   1050 <scanf@plt>
movss  0x14(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xe9d(%rip),%xmm1
mulsd  %xmm0,%xmm1
mulsd  %xmm0,%xmm1
cvtsd2ss %xmm1,%xmm1
movss  %xmm1,0x10(%rsp)
mulsd  0xe8b(%rip),%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,0xc(%rsp)
lea    0xecc(%rip),%rdi
call   1030 <puts@plt>
movss  0xc(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  0x10(%rsp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xe65(%rip),%rdi
mov    $0x2,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [35 x i8] c"What is the radius of your pizza?\0A\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [45 x i8] c"Your basic pizza parameters are as follows:\0A\00"
@.str.3 = [37 x i8] c"circumference = %1.2f, area = %1.2f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %4)
%7 = load float, float* %4
%8 = fpext float %7 to double
%9 = fmul double 3.141590e+00, %8
%10 = load float, float* %4
%11 = fpext float %10 to double
%12 = fmul double %9, %11
%13 = fptrunc double %12 to float
store float %13, float* %2
%14 = load float, float* %4
%15 = fpext float %14 to double
%16 = fmul double 6.283180e+00, %15
%17 = fptrunc double %16 to float
store float %17, float* %3
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.2, i64 0, i64 0))
%19 = load float, float* %3
%20 = fpext float %19 to double
%21 = load float, float* %2
%22 = fpext float %21 to double
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.3, i64 0, i64 0), double %20, double %22)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%f\00"
@.str.3 = [37 x i8] c"circumference = %1.2f, area = %1.2f\0A\00"
@str = [34 x i8] c"What is the radius of your pizza?\00"
@str.4 = [44 x i8] c"Your basic pizza parameters are as follows:\00"
define i32 @main() {
%1 = alloca float
%2 = bitcast float* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 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 = fpext float %5 to double
%7 = fmul double %6, 3.141590e+00
%8 = fmul double %7, %6
%9 = fptrunc double %8 to float
%10 = fmul double %6, 6.283180e+00
%11 = fptrunc double %10 to float
%12 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str.4, i64 0, i64 0))
%13 = fpext float %11 to double
%14 = fpext float %9 to double
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.3, i64 0, i64 0), double %13, double %14)
ret i32 0
}