#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 *);
main() {
  int mes;
  printf("informe mes 1 a 12: ");
  scanf("%d", &mes);
  switch (mes) {
  case 1:
    printf("\n Janeiro");
    break;
  case 2:
    printf("\n Fevereiro");
    break;
  case 3:
    printf("\n Março");
    break;
  case 4:
    printf("\n Abril");
    break;
  case 5:
    printf("\n Maio");
    break;
  case 6:
    printf("\n Junho");
    break;
  case 7:
    printf("\n Julho");
    break;
  case 8:
    printf("\n Agosto");
    break;
  case 9:
    printf("\n Setembro");
    break;
  case 10:
    printf("\n Outubro");
    break;
  case 11:
    printf("\n Novembro");
    break;
  case 12:
    printf("\n Dezembro");
    break;
  default:
    printf("\n [%d] e mes invalido!!, somente [1-12]", mes);
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xefa(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xf01(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x10(%rbp)
sub    $0xb,%eax
ja     125a <main+0x13a>
mov    -0x10(%rbp),%rax
lea    0xe93(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xecb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xec2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xebb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xeb1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xea6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xe9a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xe8f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xe84(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xe7a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xe72(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xe69(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
lea    0xe61(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    126b <main+0x14b>
mov    -0x8(%rbp),%esi
lea    0xe56(%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   %rax
lea    0xf08(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xf0f(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%esi
lea    -0x1(%rsi),%eax
cmp    $0xb,%eax
ja     11d5 <main+0xb5>
lea    0xea9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xee1(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee2(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee5(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee5(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee4(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee2(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee1(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee0(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee0(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee2(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee3(%rip),%rdi
jmp    11ca <main+0xaa>
lea    0xee5(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret
lea    0xede(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
jmp    11d1 <main+0xb1>

LLVM IR (-O0):
@.str = [21 x i8] c"informe mes 1 a 12: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [10 x i8] c"\0A Janeiro\00"
@.str.3 = [12 x i8] c"\0A Fevereiro\00"
@.str.4 = [9 x i8] c"\0A Mar\C3\A7o\00"
@.str.5 = [8 x i8] c"\0A Abril\00"
@.str.6 = [7 x i8] c"\0A Maio\00"
@.str.7 = [8 x i8] c"\0A Junho\00"
@.str.8 = [8 x i8] c"\0A Julho\00"
@.str.9 = [9 x i8] c"\0A Agosto\00"
@.str.10 = [11 x i8] c"\0A Setembro\00"
@.str.11 = [10 x i8] c"\0A Outubro\00"
@.str.12 = [11 x i8] c"\0A Novembro\00"
@.str.13 = [11 x i8] c"\0A Dezembro\00"
@.str.14 = [40 x i8] c"\0A [%d] e mes invalido!!, somente [1-12]\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 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* %2)
%5 = load i32, i32* %2
switch i32 %5, label %30 [
i32 1, label %6
i32 2, label %8
i32 3, label %10
i32 4, label %12
i32 5, label %14
i32 6, label %16
i32 7, label %18
i32 8, label %20
i32 9, label %22
i32 10, label %24
i32 11, label %26
i32 12, label %28
]
6: ; preds = %0
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
br label %33
8: ; preds = %0
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.3, i64 0, i64 0))
br label %33
10: ; preds = %0
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
br label %33
12: ; preds = %0
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0))
br label %33
14: ; preds = %0
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0))
br label %33
16: ; preds = %0
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.7, i64 0, i64 0))
br label %33
18: ; preds = %0
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.8, i64 0, i64 0))
br label %33
20: ; preds = %0
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.9, i64 0, i64 0))
br label %33
22: ; preds = %0
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.10, i64 0, i64 0))
br label %33
24: ; preds = %0
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.11, i64 0, i64 0))
br label %33
26: ; preds = %0
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.12, i64 0, i64 0))
br label %33
28: ; preds = %0
%29 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.13, i64 0, i64 0))
br label %33
30: ; preds = %0
%31 = load i32, i32* %2
%32 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.14, i64 0, i64 0), i32 %31)
br label %33
33: ; preds = %30, %28, %26, %24, %22, %20, %18, %16, %14, %12, %10, %8, %6
%34 = load i32, i32* %1
ret i32 %34
}

LLVM IR (-O2):
@.str = [21 x i8] c"informe mes 1 a 12: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [10 x i8] c"\0A Janeiro\00"
@.str.3 = [12 x i8] c"\0A Fevereiro\00"
@.str.4 = [9 x i8] c"\0A Mar\C3\A7o\00"
@.str.5 = [8 x i8] c"\0A Abril\00"
@.str.6 = [7 x i8] c"\0A Maio\00"
@.str.7 = [8 x i8] c"\0A Junho\00"
@.str.8 = [8 x i8] c"\0A Julho\00"
@.str.9 = [9 x i8] c"\0A Agosto\00"
@.str.10 = [11 x i8] c"\0A Setembro\00"
@.str.11 = [10 x i8] c"\0A Outubro\00"
@.str.12 = [11 x i8] c"\0A Novembro\00"
@.str.13 = [11 x i8] c"\0A Dezembro\00"
@.str.14 = [40 x i8] c"\0A [%d] e mes invalido!!, somente [1-12]\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 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
switch i32 %5, label %30 [
i32 1, label %6
i32 2, label %8
i32 3, label %10
i32 4, label %12
i32 5, label %14
i32 6, label %16
i32 7, label %18
i32 8, label %20
i32 9, label %22
i32 10, label %24
i32 11, label %26
i32 12, label %28
]
6: ; preds = %0
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
br label %32
8: ; preds = %0
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.3, i64 0, i64 0))
br label %32
10: ; preds = %0
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
br label %32
12: ; preds = %0
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0))
br label %32
14: ; preds = %0
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0))
br label %32
16: ; preds = %0
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.7, i64 0, i64 0))
br label %32
18: ; preds = %0
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.8, i64 0, i64 0))
br label %32
20: ; preds = %0
%21 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.9, i64 0, i64 0))
br label %32
22: ; preds = %0
%23 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.10, i64 0, i64 0))
br label %32
24: ; preds = %0
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str.11, i64 0, i64 0))
br label %32
26: ; preds = %0
%27 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.12, i64 0, i64 0))
br label %32
28: ; preds = %0
%29 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.13, i64 0, i64 0))
br label %32
30: ; preds = %0
%31 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @.str.14, i64 0, i64 0), i32 %5)
br label %32
32: ; preds = %30, %28, %26, %24, %22, %20, %18, %16, %14, %12, %10, %8, %6
ret i32 0
}