#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(void) {
  int num;
  printf("Insira um número inteiro de 1 a 5\n");
  scanf("%i", &num);
  switch (num) {
  case 1:
    printf("Um\n");
    break;
  case 2:
    printf("Dois\n");
    break;
  case 3:
    printf("Três\n");
    break;
  case 4:
    printf("Quatro\n");
    break;
  case 5:
    printf("Cinco\n");
    break;
  default:
    printf("Opção invalida!!!\n");
    break;
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xede(%rip),%rdi
call   1030 <printf@plt>
lea    0xef6(%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    $0x4,%eax
ja     11c9 <main+0xa9>
mov    -0x10(%rbp),%rax
lea    0xe95(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xec0(%rip),%rdi
call   1030 <printf@plt>
jmp    11d5 <main+0xb5>
lea    0xeb3(%rip),%rdi
call   1030 <printf@plt>
jmp    11d5 <main+0xb5>
lea    0xea8(%rip),%rdi
call   1030 <printf@plt>
jmp    11d5 <main+0xb5>
lea    0xe9e(%rip),%rdi
call   1030 <printf@plt>
jmp    11d5 <main+0xb5>
lea    0xe95(%rip),%rdi
call   1030 <printf@plt>
jmp    11d5 <main+0xb5>
lea    0xe8b(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xedb(%rip),%rdi
call   1030 <puts@plt>
lea    0xecc(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%eax
add    $0xffffffff,%eax
cmp    $0x4,%eax
ja     115c <main+0x3c>
cltq
lea    0xf05(%rip),%rcx
movslq (%rcx,%rax,4),%rdi
add    %rcx,%rdi
jmp    1163 <main+0x43>
lea    0xede(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [36 x i8] c"Insira um n\C3\BAmero inteiro de 1 a 5\0A\00"
@.str.1 = [3 x i8] c"%i\00"
@.str.2 = [4 x i8] c"Um\0A\00"
@.str.3 = [6 x i8] c"Dois\0A\00"
@.str.4 = [7 x i8] c"Tr\C3\AAs\0A\00"
@.str.5 = [8 x i8] c"Quatro\0A\00"
@.str.6 = [7 x i8] c"Cinco\0A\00"
@.str.7 = [21 x i8] c"Op\C3\A7\C3\A3o invalida!!!\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @printf(i8* getelementptr inbounds ([36 x i8], [36 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 %16 [
i32 1, label %6
i32 2, label %8
i32 3, label %10
i32 4, label %12
i32 5, label %14
]
6: ; preds = %0
%7 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
br label %18
8: ; preds = %0
%9 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
br label %18
10: ; preds = %0
%11 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0))
br label %18
12: ; preds = %0
%13 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0))
br label %18
14: ; preds = %0
%15 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0))
br label %18
16: ; preds = %0
%17 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.7, i64 0, i64 0))
br label %18
18: ; preds = %16, %14, %12, %10, %8, %6
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%i\00"
@str = [35 x i8] c"Insira um n\C3\BAmero inteiro de 1 a 5\00"
@str.8 = [6 x i8] c"Cinco\00"
@str.9 = [7 x i8] c"Quatro\00"
@str.10 = [6 x i8] c"Tr\C3\AAs\00"
@str.11 = [5 x i8] c"Dois\00"
@str.12 = [3 x i8] c"Um\00"
@str.13 = [20 x i8] c"Op\C3\A7\C3\A3o invalida!!!\00"
@reltable.main = [5 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([3 x i8]* @str.12 to i64), i64 ptrtoint ([5 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @str.11 to i64), i64 ptrtoint ([5 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @str.10 to i64), i64 ptrtoint ([5 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @str.9 to i64), i64 ptrtoint ([5 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @str.8 to i64), i64 ptrtoint ([5 x i32]* @reltable.main to i64)) to i32)]
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 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 = add i32 %5, -1
%7 = icmp ult i32 %6, 5
br i1 %7, label %8, label %12
8: ; preds = %0
%9 = sext i32 %6 to i64
%10 = shl i64 %9, 2
%11 = call i8* @llvm.load.relative.i64(i8* bitcast ([5 x i32]* @reltable.main to i8*), i64 %10)
br label %12
12: ; preds = %0, %8
%13 = phi i8* [ %11, %8 ], [ getelementptr inbounds ([20 x i8], [20 x i8]* @str.13, i64 0, i64 0), %0 ]
%14 = call i32 @puts(i8* dereferenceable(1) %13)
ret i32 0
}