#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 power(int, int);
int /*<<< orphan*/ printf(char *, int);
int main(void) {
  int r;
  r = power(1, 10);
  printf("%d\n", r);
  r = power(1024, 0);
  printf("%d\n", r);
  r = power(2, 16);
  printf("%d\n", r);
  r = power(5, 2);
  printf("%d\n", r);
  r = power(5, -2);
  printf("%d\n", r);
  r = power(-5, 3);
  printf("%d\n", r);
  return (0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x1,%edi
mov    $0xa,%esi
call   1030 <power@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xeb5(%rip),%rdi
call   1040 <printf@plt>
mov    $0x400,%edi
xor    %esi,%esi
call   1030 <power@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe97(%rip),%rdi
call   1040 <printf@plt>
mov    $0x2,%edi
mov    $0x10,%esi
call   1030 <power@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe76(%rip),%rdi
call   1040 <printf@plt>
mov    $0x5,%edi
mov    $0x2,%esi
call   1030 <power@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe55(%rip),%rdi
call   1040 <printf@plt>
mov    $0x5,%edi
mov    $0xfffffffe,%esi
call   1030 <power@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe34(%rip),%rdi
call   1040 <printf@plt>
mov    $0xfffffffb,%edi
mov    $0x3,%esi
call   1030 <power@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe13(%rip),%rdi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    $0x1,%edi
mov    $0xa,%esi
call   1030 <power@plt>
lea    0xec9(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    $0x400,%edi
xor    %esi,%esi
call   1030 <power@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    $0x2,%edi
mov    $0x10,%esi
call   1030 <power@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    $0x5,%edi
mov    $0x2,%esi
call   1030 <power@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    $0x5,%edi
mov    $0xfffffffe,%esi
call   1030 <power@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    $0xfffffffb,%edi
mov    $0x3,%esi
call   1030 <power@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @power(i32 1, i32 10)
store i32 %3, i32* %2
%4 = load i32, i32* %2
%5 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %4)
%6 = call i32 @power(i32 1024, i32 0)
store i32 %6, i32* %2
%7 = load i32, i32* %2
%8 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = call i32 @power(i32 2, i32 16)
store i32 %9, i32* %2
%10 = load i32, i32* %2
%11 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %10)
%12 = call i32 @power(i32 5, i32 2)
store i32 %12, i32* %2
%13 = load i32, i32* %2
%14 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %13)
%15 = call i32 @power(i32 5, i32 -2)
store i32 %15, i32* %2
%16 = load i32, i32* %2
%17 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %16)
%18 = call i32 @power(i32 -5, i32 3)
store i32 %18, i32* %2
%19 = load i32, i32* %2
%20 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %19)
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = tail call i32 @power(i32 1, i32 10)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @power(i32 1024, i32 0)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = tail call i32 @power(i32 2, i32 16)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = tail call i32 @power(i32 5, i32 2)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = tail call i32 @power(i32 5, i32 -2)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = tail call i32 @power(i32 -5, i32 3)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %11)
ret i32 0
}