#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 argc, const char *argv[]) {
  int a, b, aux, i, n;
  a = 0;
  b = 1;
  printf("Informe um número: \n");
  scanf("%d", &n);
  printf("Série\n");
  printf("%d\n", b);
  for (i = 0; i < n; i++) {
    aux = a + b;
    a = b;
    b = aux;
    printf("%d\n", aux);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
movl   $0x1,-0x18(%rbp)
lea    0xeb5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xebd(%rip),%rdi
lea    -0x24(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xeb0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%esi
lea    0xea7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x20(%rbp)
mov    -0x20(%rbp),%eax
cmp    -0x24(%rbp),%eax
jge    11c8 <main+0xa8>
mov    -0x14(%rbp),%eax
add    -0x18(%rbp),%eax
mov    %eax,-0x1c(%rbp)
mov    -0x18(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x1c(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x1c(%rbp),%esi
lea    0xe6e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x20(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x20(%rbp)
jmp    1188 <main+0x68>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
lea    0xec9(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb6(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
lea    0xec1(%rip),%rdi
call   1030 <puts@plt>
lea    0xe9c(%rip),%rdi
mov    $0x1,%r15d
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
cmpl   $0x0,0x4(%rsp)
jle    11b0 <main+0x80>
lea    0xe7c(%rip),%r14
xor    %ebx,%ebx
xor    %eax,%eax
nopl   0x0(%rax,%rax,1)
mov    %eax,%ebp
add    %r15d,%ebp
mov    %r14,%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%ebx
mov    %r15d,%eax
mov    %ebp,%r15d
cmp    0x4(%rsp),%ebx
jl     1190 <main+0x60>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [22 x i8] c"Informe um n\C3\BAmero: \0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [8 x i8] c"S\C3\A9rie\0A\00"
@.str.3 = [4 x i8] c"%d\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32
%10 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 0, i32* %6
store i32 1, i32* %7
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %10)
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0))
%14 = load i32, i32* %7
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %14)
store i32 0, i32* %9
br label %16
16: ; preds = %28, %2
%17 = load i32, i32* %9
%18 = load i32, i32* %10
%19 = icmp slt i32 %17, %18
br i1 %19, label %20, label %31
20: ; preds = %16
%21 = load i32, i32* %6
%22 = load i32, i32* %7
%23 = add nsw i32 %21, %22
store i32 %23, i32* %8
%24 = load i32, i32* %7
store i32 %24, i32* %6
%25 = load i32, i32* %8
store i32 %25, i32* %7
%26 = load i32, i32* %8
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %26)
br label %28
28: ; preds = %20
%29 = load i32, i32* %9
%30 = add nsw i32 %29, 1
store i32 %30, i32* %9
br label %16
31: ; preds = %16
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.3 = [4 x i8] c"%d\0A\00"
@str = [21 x i8] c"Informe um n\C3\BAmero: \00"
@str.4 = [7 x i8] c"S\C3\A9rie\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = bitcast i32* %3 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 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* %3)
%7 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str.4, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 1)
%9 = load i32, i32* %3
%10 = icmp sgt i32 %9, 0
br i1 %10, label %11, label %20
11: ; preds = %2, %11
%12 = phi i32 [ %17, %11 ], [ 0, %2 ]
%13 = phi i32 [ %14, %11 ], [ 0, %2 ]
%14 = phi i32 [ %15, %11 ], [ 1, %2 ]
%15 = add nsw i32 %13, %14
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i32 %15)
%17 = add nuw nsw i32 %12, 1
%18 = load i32, i32* %3
%19 = icmp slt i32 %17, %18
br i1 %19, label %11, label %20
20: ; preds = %11, %2
ret i32 0
}