#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 *, unsigned int, ...);
int main(void) {
  int i = 0;
  unsigned x = 1;
  while (i < 35) {
    printf("2 tot de macht %d = %12u\n", i, x);
    i++;
    x = x * 2;
  }
  x = x - 1;
  printf("\n\nMinus een = %u\n", x);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x1,-0xc(%rbp)
cmpl   $0x23,-0x8(%rbp)
jge    1162 <main+0x52>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xebc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
mov    -0xc(%rbp),%eax
shl    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    112d <main+0x1d>
mov    -0xc(%rbp),%eax
sub    $0x1,%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xea5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
mov    $0x1,%ebx
lea    0xee0(%rip),%r14
xor    %ebp,%ebp
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    %r14,%rdi
mov    %ebp,%esi
mov    %ebx,%edx
xor    %eax,%eax
call   1030 <printf@plt>
add    $0x1,%ebp
add    %ebx,%ebx
cmp    $0x23,%ebp
jne    1130 <main+0x20>
lea    0xecb(%rip),%rdi
mov    $0xffffffff,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
@.str = [26 x i8] c"2 tot de macht %d = %12u\0A\00"
@.str.1 = [18 x i8] c"\0A\0AMinus een = %u\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
store i32 1, i32* %3
br label %4
4: ; preds = %7, %0
%5 = load i32, i32* %2
%6 = icmp slt i32 %5, 35
br i1 %6, label %7, label %15
7: ; preds = %4
%8 = load i32, i32* %2
%9 = load i32, i32* %3
%10 = call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 %8, i32 %9)
%11 = load i32, i32* %2
%12 = add nsw i32 %11, 1
store i32 %12, i32* %2
%13 = load i32, i32* %3
%14 = mul i32 %13, 2
store i32 %14, i32* %3
br label %4
15: ; preds = %4
%16 = load i32, i32* %3
%17 = sub i32 %16, 1
store i32 %17, i32* %3
%18 = load i32, i32* %3
%19 = call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i32 %18)
%20 = load i32, i32* %1
ret i32 %20
}

LLVM IR (-O2):
@.str = [26 x i8] c"2 tot de macht %d = %12u\0A\00"
@.str.1 = [18 x i8] c"\0A\0AMinus een = %u\0A\00"
define i32 @main() {
br label %1
1: ; preds = %0, %1
%2 = phi i32 [ 1, %0 ], [ %6, %1 ]
%3 = phi i32 [ 0, %0 ], [ %5, %1 ]
%4 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 %3, i32 %2)
%5 = add nuw nsw i32 %3, 1
%6 = shl i32 %2, 1
%7 = icmp eq i32 %5, 35
br i1 %7, label %8, label %1
8: ; preds = %1
%9 = tail call i32 (i8*, i32, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i32 -1)
ret i32 0
}