#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 main() {
  int gen, i;
  printf("Primeros 50 pares: \n\n");
  for (gen = i = 0; i < 50; i++, gen += 2) {
    if (i < 49)
      printf("%d, ", gen);
    else
      printf("%d\n\n", gen);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0xc(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x32,-0xc(%rbp)
jge    1192 <main+0x82>
cmpl   $0x31,-0xc(%rbp)
jge    1165 <main+0x55>
mov    -0x8(%rbp),%esi
lea    0xebd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1176 <main+0x66>
mov    -0x8(%rbp),%esi
lea    0xeac(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    117b <main+0x6b>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
mov    -0x8(%rbp),%eax
add    $0x2,%eax
mov    %eax,-0x8(%rbp)
jmp    113b <main+0x2b>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xedf(%rip),%rdi
call   1030 <puts@plt>
lea    0xec9(%rip),%r14
xor    %ebx,%ebx
nopl   0x0(%rax)
mov    %r14,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x2,%ebx
cmp    $0x62,%ebx
jne    1140 <main+0x20>
lea    0xeaa(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [22 x i8] c"Primeros 50 pares: \0A\0A\00"
@.str.1 = [5 x i8] c"%d, \00"
@.str.2 = [5 x i8] c"%d\0A\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %3
store i32 0, i32* %2
br label %5
5: ; preds = %18, %0
%6 = load i32, i32* %3
%7 = icmp slt i32 %6, 50
br i1 %7, label %8, label %23
8: ; preds = %5
%9 = load i32, i32* %3
%10 = icmp slt i32 %9, 49
br i1 %10, label %11, label %14
11: ; preds = %8
%12 = load i32, i32* %2
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %12)
br label %17
14: ; preds = %8
%15 = load i32, i32* %2
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 %15)
br label %17
17: ; preds = %14, %11
br label %18
18: ; preds = %17
%19 = load i32, i32* %3
%20 = add nsw i32 %19, 1
store i32 %20, i32* %3
%21 = load i32, i32* %2
%22 = add nsw i32 %21, 2
store i32 %22, i32* %2
br label %5
23: ; preds = %5
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [5 x i8] c"%d, \00"
@.str.2 = [5 x i8] c"%d\0A\0A\00"
@str = [21 x i8] c"Primeros 50 pares: \0A\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0))
br label %2
2: ; preds = %0, %2
%3 = phi i32 [ 0, %0 ], [ %7, %2 ]
%4 = phi i32 [ 0, %0 ], [ %6, %2 ]
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %3)
%6 = add nuw nsw i32 %4, 1
%7 = add nuw nsw i32 %3, 2
%8 = icmp eq i32 %6, 49
br i1 %8, label %9, label %2
9: ; preds = %2
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 %7)
ret i32 0
}