#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, int);
int /*<<< orphan*/ puts(char *);
int /*<<< orphan*/ scanf(char *, int *);
int main(void) {
  int nr, putere;
  puts("\nEnter a number: ");
  scanf("%d", &nr);
  puts("That will be raised to what power?: ");
  scanf("%d", &putere);
  printf("\n\t%d ^ %d = %d\n\n", nr, putere, power(nr, putere));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
call   1040 <puts@plt>
lea    0xeb0(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1060 <scanf@plt>
lea    0xea3(%rip),%rdi
call   1040 <puts@plt>
lea    0xe94(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1060 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1030 <power@plt>
mov    -0x14(%rbp),%esi
mov    -0x10(%rbp),%edx
mov    %eax,%ecx
lea    0xe8d(%rip),%rdi
call   1050 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
lea    0xeb6(%rip),%rdi
call   1040 <puts@plt>
lea    0xebc(%rip),%rbx
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0xeab(%rip),%rdi
call   1040 <puts@plt>
mov    %rsp,%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    0x4(%rsp),%ebx
mov    (%rsp),%ebp
mov    %ebx,%edi
mov    %ebp,%esi
call   1030 <power@plt>
lea    0xea9(%rip),%rdi
mov    %ebx,%esi
mov    %ebp,%edx
mov    %eax,%ecx
call   1050 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [18 x i8] c"\0AEnter a number: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [37 x i8] c"That will be raised to what power?: \00"
@.str.3 = [17 x i8] c"\0A\09%d ^ %d = %d\0A\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 @puts(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%6 = call i32 @puts(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%8 = load i32, i32* %2
%9 = load i32, i32* %3
%10 = load i32, i32* %2
%11 = load i32, i32* %3
%12 = call i32 @power(i32 %10, i32 %11)
%13 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.3, i64 0, i64 0), i32 %8, i32 %9, i32 %12)
ret i32 0
}

LLVM IR (-O2):
@.str = [18 x i8] c"\0AEnter a number: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [37 x i8] c"That will be raised to what power?: \00"
@.str.3 = [17 x i8] c"\0A\09%d ^ %d = %d\0A\0A\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 ([18 x i8], [18 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), i32* %1)
%7 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%9 = load i32, i32* %1
%10 = load i32, i32* %2
%11 = call i32 @power(i32 %9, i32 %10)
%12 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.3, i64 0, i64 0), i32 %9, i32 %10, i32 %11)
ret i32 0
}