#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 raio, altura;
  printf("--- Cilindro ---\n");
  printf("Altura: ");
  scanf("%f", &altura);
  printf("Raio: ");
  scanf("%f", &raio);
  printf("Volume: %.2f\n", 3.141592 * raio * raio * altura);
  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    0xed6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed1(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xec4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb3(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm1
movsd  0xe76(%rip),%xmm0
mulsd  %xmm1,%xmm0
movss  -0x8(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
mulsd  %xmm1,%xmm0
movss  -0xc(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
mulsd  %xmm1,%xmm0
lea    0xe7e(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xeed(%rip),%rdi
call   1030 <puts@plt>
lea    0xec0(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xebb(%rip),%rbx
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xeaa(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0xc(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xe70(%rip),%xmm1
mulsd  %xmm0,%xmm1
mulsd  %xmm0,%xmm1
movss  0x8(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
mulsd  %xmm1,%xmm0
lea    0xe6e(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [18 x i8] c"--- Cilindro ---\0A\00"
@.str.1 = [9 x i8] c"Altura: \00"
@.str.2 = [3 x i8] c"%f\00"
@.str.3 = [7 x i8] c"Raio: \00"
@.str.4 = [14 x i8] c"Volume: %.2f\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 ([18 x i8], [18 x i8]* @.str, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), float* %3)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), float* %2)
%9 = load float, float* %2
%10 = fpext float %9 to double
%11 = fmul double 0x400921FAFC8B007A, %10
%12 = load float, float* %2
%13 = fpext float %12 to double
%14 = fmul double %11, %13
%15 = load float, float* %3
%16 = fpext float %15 to double
%17 = fmul double %14, %16
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0), double %17)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [9 x i8] c"Altura: \00"
@.str.2 = [3 x i8] c"%f\00"
@.str.3 = [7 x i8] c"Raio: \00"
@.str.4 = [14 x i8] c"Volume: %.2f\0A\00"
@str = [17 x i8] c"--- Cilindro ---\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = bitcast float* %1 to i8*
%4 = bitcast float* %2 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str, i64 0, i64 0))
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), float* %2)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), float* %1)
%10 = load float, float* %1
%11 = fpext float %10 to double
%12 = fmul double %11, 0x400921FAFC8B007A
%13 = fmul double %12, %11
%14 = load float, float* %2
%15 = fpext float %14 to double
%16 = fmul double %13, %15
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0), double %16)
ret i32 0
}