#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 /*<<< orphan*/ system(char *);
int main() {
  int num = 0;
  printf("\nDigite um numero inteiro positivo: ");
  scanf("%d", &num);
  switch (num) {
  case 0: {
    printf("\nNúmero digitado: ZERO!\n");
    break;
  }
  case 1: {
    printf("\nNúmero digitado: UM!\n");
    break;
  }
  case 2: {
    printf("\nNúmero digitado: DOIS!\n");
    break;
  }
  case 3: {
    printf("\nNúmero digitado: TRÊS!\n");
    break;
  }
  case 4: {
    printf("\nNúmero digitado: QUATRO!\n");
    break;
  }
  case 5: {
    printf("\nNúmero digitado: CINCO!\n");
    break;
  }
  default: {
    printf("\nNúmero digitado: OUTROS VALORES!\n");
    break;
  }
  }
  printf("\nFim do programa\n");
  system("pause");
  return (0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
lea    0xecb(%rip),%rdi
call   1040 <printf@plt>
lea    0xee4(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %rax,-0x10(%rbp)
sub    $0x5,%rax
ja     11ed <main+0xbd>
mov    -0x10(%rbp),%rax
lea    0xe82(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xeb2(%rip),%rdi
call   1040 <printf@plt>
jmp    11f9 <main+0xc9>
lea    0xebb(%rip),%rdi
call   1040 <printf@plt>
jmp    11f9 <main+0xc9>
lea    0xec2(%rip),%rdi
call   1040 <printf@plt>
jmp    11f9 <main+0xc9>
lea    0xecb(%rip),%rdi
call   1040 <printf@plt>
jmp    11f9 <main+0xc9>
lea    0xed5(%rip),%rdi
call   1040 <printf@plt>
jmp    11f9 <main+0xc9>
lea    0xee0(%rip),%rdi
call   1040 <printf@plt>
jmp    11f9 <main+0xc9>
lea    0xeea(%rip),%rdi
call   1040 <printf@plt>
lea    0xf02(%rip),%rdi
call   1040 <printf@plt>
lea    0xf08(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
movl   $0x0,0x4(%rsp)
lea    0xeb0(%rip),%rdi
call   1050 <printf@plt>
lea    0xec9(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1060 <scanf@plt>
movslq 0x4(%rsp),%rax
cmp    $0x5,%rax
ja     1181 <main+0x41>
lea    0xf84(%rip),%rcx
movslq (%rcx,%rax,4),%rdi
add    %rcx,%rdi
jmp    1188 <main+0x48>
lea    0xf4f(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb4(%rip),%rdi
call   1030 <puts@plt>
lea    0xe88(%rip),%rdi
call   1040 <system@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [37 x i8] c"\0ADigite um numero inteiro positivo: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [26 x i8] c"\0AN\C3\BAmero digitado: ZERO!\0A\00"
@.str.3 = [24 x i8] c"\0AN\C3\BAmero digitado: UM!\0A\00"
@.str.4 = [26 x i8] c"\0AN\C3\BAmero digitado: DOIS!\0A\00"
@.str.5 = [27 x i8] c"\0AN\C3\BAmero digitado: TR\C3\8AS!\0A\00"
@.str.6 = [28 x i8] c"\0AN\C3\BAmero digitado: QUATRO!\0A\00"
@.str.7 = [27 x i8] c"\0AN\C3\BAmero digitado: CINCO!\0A\00"
@.str.8 = [36 x i8] c"\0AN\C3\BAmero digitado: OUTROS VALORES!\0A\00"
@.str.9 = [18 x i8] c"\0AFim do programa\0A\00"
@.str.10 = [6 x i8] c"pause\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
%3 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 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 %18 [
i32 0, label %6
i32 1, label %8
i32 2, label %10
i32 3, label %12
i32 4, label %14
i32 5, label %16
]
6: ; preds = %0
%7 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.2, i64 0, i64 0))
br label %20
8: ; preds = %0
%9 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
br label %20
10: ; preds = %0
%11 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.4, i64 0, i64 0))
br label %20
12: ; preds = %0
%13 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.5, i64 0, i64 0))
br label %20
14: ; preds = %0
%15 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.6, i64 0, i64 0))
br label %20
16: ; preds = %0
%17 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.7, i64 0, i64 0))
br label %20
18: ; preds = %0
%19 = call i32 @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.8, i64 0, i64 0))
br label %20
20: ; preds = %18, %16, %14, %12, %10, %8, %6
%21 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.9, i64 0, i64 0))
%22 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [37 x i8] c"\0ADigite um numero inteiro positivo: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.10 = [6 x i8] c"pause\00"
@str = [26 x i8] c"\0AN\C3\BAmero digitado: CINCO!\00"
@str.11 = [17 x i8] c"\0AFim do programa\00"
@str.12 = [27 x i8] c"\0AN\C3\BAmero digitado: QUATRO!\00"
@str.13 = [26 x i8] c"\0AN\C3\BAmero digitado: TR\C3\8AS!\00"
@str.14 = [25 x i8] c"\0AN\C3\BAmero digitado: DOIS!\00"
@str.15 = [23 x i8] c"\0AN\C3\BAmero digitado: UM!\00"
@str.16 = [25 x i8] c"\0AN\C3\BAmero digitado: ZERO!\00"
@str.17 = [35 x i8] c"\0AN\C3\BAmero digitado: OUTROS VALORES!\00"
@reltable.main = [6 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([25 x i8]* @str.16 to i64), i64 ptrtoint ([6 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([23 x i8]* @str.15 to i64), i64 ptrtoint ([6 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([25 x i8]* @str.14 to i64), i64 ptrtoint ([6 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([26 x i8]* @str.13 to i64), i64 ptrtoint ([6 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([27 x i8]* @str.12 to i64), i64 ptrtoint ([6 x i32]* @reltable.main to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([26 x i8]* @str to i64), i64 ptrtoint ([6 x i32]* @reltable.main to i64)) to i32)]
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
store i32 0, i32* %1
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 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 = icmp ult i32 %5, 6
br i1 %6, label %7, label %11
7: ; preds = %0
%8 = sext i32 %5 to i64
%9 = shl i64 %8, 2
%10 = call i8* @llvm.load.relative.i64(i8* bitcast ([6 x i32]* @reltable.main to i8*), i64 %9)
br label %11
11: ; preds = %0, %7
%12 = phi i8* [ %10, %7 ], [ getelementptr inbounds ([35 x i8], [35 x i8]* @str.17, i64 0, i64 0), %0 ]
%13 = call i32 @puts(i8* dereferenceable(1) %12)
%14 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str.11, i64 0, i64 0))
%15 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i64 0, i64 0))
ret i32 0
}