#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 */
float potencia(int, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int x, y;
  float p;
  printf("Potenciador x^y\n");
  printf("Introduzca la base:\nx=");
  scanf("%d", &x);
  printf("Introduzca la potencia:\ny=");
  scanf("%d", &y);
  p = potencia(x, y);
  printf("\n\n%d^%d=%f\n", x, y, p);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xebd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec6(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xeb9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea8(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1050 <potencia@plt>
movss  %xmm0,-0x10(%rbp)
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
movss  -0x10(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe97(%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    0xef5(%rip),%rdi
call   1030 <puts@plt>
lea    0xea8(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeb1(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xea0(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    0xc(%rsp),%edi
mov    0x8(%rsp),%esi
call   1060 <potencia@plt>
mov    0xc(%rsp),%esi
mov    0x8(%rsp),%edx
cvtss2sd %xmm0,%xmm0
lea    0xe87(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [17 x i8] c"Potenciador x^y\0A\00"
@.str.1 = [23 x i8] c"Introduzca la base:\0Ax=\00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [27 x i8] c"Introduzca la potencia:\0Ay=\00"
@.str.4 = [12 x i8] c"\0A\0A%d^%d=%f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca float
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 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), i32* %2)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 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), i32* %3)
%10 = load i32, i32* %2
%11 = load i32, i32* %3
%12 = call float @potencia(i32 %10, i32 %11)
store float %12, float* %4
%13 = load i32, i32* %2
%14 = load i32, i32* %3
%15 = load float, float* %4
%16 = fpext float %15 to double
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), i32 %13, i32 %14, double %16)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [23 x i8] c"Introduzca la base:\0Ax=\00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [27 x i8] c"Introduzca la potencia:\0Ay=\00"
@.str.4 = [12 x i8] c"\0A\0A%d^%d=%f\0A\00"
@str = [16 x i8] c"Potenciador x^y\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str, i64 0, i64 0))
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 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), i32* %1)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 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), i32* %2)
%10 = load i32, i32* %1
%11 = load i32, i32* %2
%12 = call float @potencia(i32 %10, i32 %11)
%13 = load i32, i32* %1
%14 = load i32, i32* %2
%15 = fpext float %12 to double
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), i32 %13, i32 %14, double %15)
ret i32 0
}