#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 *, int *);
int main() {
  int tab[5], i, a, z;
  z = 1;
  printf("Podaj jej potege: ");
  scanf("%d", &z);
  for (i = 0; i < 5; i++) {
    z = 2 * z;
    tab[i] = z;
    printf("tab[%d] %d\n", i, tab[i]);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0x2c(%rbp)
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec8(%rip),%rdi
lea    -0x2c(%rbp),%rsi
call   1040 <scanf@plt>
movl   $0x0,-0x24(%rbp)
cmpl   $0x5,-0x24(%rbp)
jge    11a0 <main+0x80>
mov    -0x2c(%rbp),%eax
shl    $0x1,%eax
mov    %eax,-0x2c(%rbp)
mov    -0x2c(%rbp),%ecx
movslq -0x24(%rbp),%rax
mov    %ecx,-0x20(%rbp,%rax,4)
mov    -0x24(%rbp),%esi
movslq -0x24(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%edx
lea    0xe8b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x24(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x24(%rbp)
jmp    115b <main+0x3b>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
movl   $0x1,0xc(%rsp)
lea    0xecc(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xed1(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
mov    0xc(%rsp),%edx
add    %edx,%edx
mov    %edx,0xc(%rsp)
lea    0xeb9(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%edx
add    %edx,%edx
mov    %edx,0xc(%rsp)
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%edx
add    %edx,%edx
mov    %edx,0xc(%rsp)
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%edx
add    %edx,%edx
mov    %edx,0xc(%rsp)
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%edx
add    %edx,%edx
mov    %edx,0xc(%rsp)
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [19 x i8] c"Podaj jej potege: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [12 x i8] c"tab[%d] %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [5 x i32]
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
store i32 1, i32* %5
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %5)
store i32 0, i32* %3
br label %8
8: ; preds = %24, %0
%9 = load i32, i32* %3
%10 = icmp slt i32 %9, 5
br i1 %10, label %11, label %27
11: ; preds = %8
%12 = load i32, i32* %5
%13 = mul nsw i32 2, %12
store i32 %13, i32* %5
%14 = load i32, i32* %5
%15 = load i32, i32* %3
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 %16
store i32 %14, i32* %17
%18 = load i32, i32* %3
%19 = load i32, i32* %3
%20 = sext i32 %19 to i64
%21 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 %20
%22 = load i32, i32* %21
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 %18, i32 %22)
br label %24
24: ; preds = %11
%25 = load i32, i32* %3
%26 = add nsw i32 %25, 1
store i32 %26, i32* %3
br label %8
27: ; preds = %8
ret i32 0
}

LLVM IR (-O2):
@.str = [19 x i8] c"Podaj jej potege: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [12 x i8] c"tab[%d] %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
store i32 1, i32* %1
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 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), i32* %1)
%5 = load i32, i32* %1
%6 = shl nsw i32 %5, 1
store i32 %6, i32* %1
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 0, i32 %6)
%8 = load i32, i32* %1
%9 = shl nsw i32 %8, 1
store i32 %9, i32* %1
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 1, i32 %9)
%11 = load i32, i32* %1
%12 = shl nsw i32 %11, 1
store i32 %12, i32* %1
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 2, i32 %12)
%14 = load i32, i32* %1
%15 = shl nsw i32 %14, 1
store i32 %15, i32* %1
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 3, i32 %15)
%17 = load i32, i32* %1
%18 = shl nsw i32 %17, 1
store i32 %18, i32* %1
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 4, i32 %18)
ret i32 0
}