#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 */
const char *get_region_name_DO(int region_code) {
  switch (region_code) {
  case 1:
    return "Azua";
  case 2:
    return "Baoruco";
  case 3:
    return "Barahona";
  case 4:
    return "Dajabon";
  case 5:
    return "Distrito Nacional";
  case 6:
    return "Duarte";
  case 8:
    return "Espaillat";
  case 9:
    return "Independencia";
  case 10:
    return "La Altagracia";
  case 11:
    return "Elias Pina";
  case 12:
    return "La Romana";
  case 14:
    return "Maria Trinidad Sanchez";
  case 15:
    return "Monte Cristi";
  case 16:
    return "Pedernales";
  case 17:
    return "Peravia";
  case 18:
    return "Puerto Plata";
  case 19:
    return "Salcedo";
  case 20:
    return "Samana";
  case 21:
    return "Sanchez Ramirez";
  case 23:
    return "San Juan";
  case 24:
    return "San Pedro De Macoris";
  case 25:
    return "Santiago";
  case 26:
    return "Santiago Rodriguez";
  case 27:
    return "Valverde";
  case 28:
    return "El Seibo";
  case 29:
    return "Hato Mayor";
  case 30:
    return "La Vega";
  case 31:
    return "Monsenor Nouel";
  case 32:
    return "Monte Plata";
  case 33:
    return "San Cristobal";
  case 34:
    return "Distrito Nacional";
  case 35:
    return "Peravia";
  case 36:
    return "San Jose de Ocoa";
  case 37:
    return "Santo Domingo";
  default:
    return NULL;
  }
}


x86 assembly (clang, -O0):
<get_region_name_DO>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x24,%eax
ja     1350 <get_region_name_DO+0x250>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf5d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf52(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf4a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf43(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf3b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf3d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf34(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf2e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf2c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf2a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf25(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf1f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf26(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf23(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf1e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf16(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf13(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf0b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf02(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf02(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xefb(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xf00(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xef9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xefc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xef5(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xeee(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xee9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xee1(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xee0(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xedc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xd9b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xe0e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xeba(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
lea    0xebb(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1358 <get_region_name_DO+0x258>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_region_name_DO>:
add    $0xffffffff,%edi
cmp    $0x24,%edi
ja     1117 <get_region_name_DO+0x17>
movslq %edi,%rax
lea    0x2c16(%rip),%rcx
mov    (%rcx,%rax,8),%rax
ret
xor    %eax,%eax
ret

LLVM IR (-O0):
@.str = [5 x i8] c"Azua\00"
@.str.1 = [8 x i8] c"Baoruco\00"
@.str.2 = [9 x i8] c"Barahona\00"
@.str.3 = [8 x i8] c"Dajabon\00"
@.str.4 = [18 x i8] c"Distrito Nacional\00"
@.str.5 = [7 x i8] c"Duarte\00"
@.str.6 = [10 x i8] c"Espaillat\00"
@.str.7 = [14 x i8] c"Independencia\00"
@.str.8 = [14 x i8] c"La Altagracia\00"
@.str.9 = [11 x i8] c"Elias Pina\00"
@.str.10 = [10 x i8] c"La Romana\00"
@.str.11 = [23 x i8] c"Maria Trinidad Sanchez\00"
@.str.12 = [13 x i8] c"Monte Cristi\00"
@.str.13 = [11 x i8] c"Pedernales\00"
@.str.14 = [8 x i8] c"Peravia\00"
@.str.15 = [13 x i8] c"Puerto Plata\00"
@.str.16 = [8 x i8] c"Salcedo\00"
@.str.17 = [7 x i8] c"Samana\00"
@.str.18 = [16 x i8] c"Sanchez Ramirez\00"
@.str.19 = [9 x i8] c"San Juan\00"
@.str.20 = [21 x i8] c"San Pedro De Macoris\00"
@.str.21 = [9 x i8] c"Santiago\00"
@.str.22 = [19 x i8] c"Santiago Rodriguez\00"
@.str.23 = [9 x i8] c"Valverde\00"
@.str.24 = [9 x i8] c"El Seibo\00"
@.str.25 = [11 x i8] c"Hato Mayor\00"
@.str.26 = [8 x i8] c"La Vega\00"
@.str.27 = [15 x i8] c"Monsenor Nouel\00"
@.str.28 = [12 x i8] c"Monte Plata\00"
@.str.29 = [14 x i8] c"San Cristobal\00"
@.str.30 = [17 x i8] c"San Jose de Ocoa\00"
@.str.31 = [14 x i8] c"Santo Domingo\00"
define i8* @get_region_name_DO(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %39 [
i32 1, label %5
i32 2, label %6
i32 3, label %7
i32 4, label %8
i32 5, label %9
i32 6, label %10
i32 8, label %11
i32 9, label %12
i32 10, label %13
i32 11, label %14
i32 12, label %15
i32 14, label %16
i32 15, label %17
i32 16, label %18
i32 17, label %19
i32 18, label %20
i32 19, label %21
i32 20, label %22
i32 21, label %23
i32 23, label %24
i32 24, label %25
i32 25, label %26
i32 26, label %27
i32 27, label %28
i32 28, label %29
i32 29, label %30
i32 30, label %31
i32 31, label %32
i32 32, label %33
i32 33, label %34
i32 34, label %35
i32 35, label %36
i32 36, label %37
i32 37, label %38
]
5: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8** %2
br label %40
6: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %40
7: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %40
8: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %40
9: ; preds = %1
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %40
10: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %40
11: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %40
12: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %40
13: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %40
14: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %40
15: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %40
16: ; preds = %1
store i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %40
17: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %40
18: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %40
19: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %40
20: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.15, i64 0, i64 0), i8** %2
br label %40
21: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.16, i64 0, i64 0), i8** %2
br label %40
22: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i64 0, i64 0), i8** %2
br label %40
23: ; preds = %1
store i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.18, i64 0, i64 0), i8** %2
br label %40
24: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.19, i64 0, i64 0), i8** %2
br label %40
25: ; preds = %1
store i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.20, i64 0, i64 0), i8** %2
br label %40
26: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.21, i64 0, i64 0), i8** %2
br label %40
27: ; preds = %1
store i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.22, i64 0, i64 0), i8** %2
br label %40
28: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.23, i64 0, i64 0), i8** %2
br label %40
29: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.24, i64 0, i64 0), i8** %2
br label %40
30: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.25, i64 0, i64 0), i8** %2
br label %40
31: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.26, i64 0, i64 0), i8** %2
br label %40
32: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.27, i64 0, i64 0), i8** %2
br label %40
33: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.28, i64 0, i64 0), i8** %2
br label %40
34: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.29, i64 0, i64 0), i8** %2
br label %40
35: ; preds = %1
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %40
36: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %40
37: ; preds = %1
store i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.30, i64 0, i64 0), i8** %2
br label %40
38: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.31, i64 0, i64 0), i8** %2
br label %40
39: ; preds = %1
store i8* null, i8** %2
br label %40
40: ; preds = %39, %38, %37, %36, %35, %34, %33, %32, %31, %30, %29, %28, %27, %26, %25, %24, %23, %22, %21, %20, %19, %18, %17, %16, %15, %14, %13, %12, %11, %10, %9, %8, %7, %6, %5
%41 = load i8*, i8** %2
ret i8* %41
}

LLVM IR (-O2):
@.str = [5 x i8] c"Azua\00"
@.str.1 = [8 x i8] c"Baoruco\00"
@.str.2 = [9 x i8] c"Barahona\00"
@.str.3 = [8 x i8] c"Dajabon\00"
@.str.4 = [18 x i8] c"Distrito Nacional\00"
@.str.5 = [7 x i8] c"Duarte\00"
@.str.6 = [10 x i8] c"Espaillat\00"
@.str.7 = [14 x i8] c"Independencia\00"
@.str.8 = [14 x i8] c"La Altagracia\00"
@.str.9 = [11 x i8] c"Elias Pina\00"
@.str.10 = [10 x i8] c"La Romana\00"
@.str.11 = [23 x i8] c"Maria Trinidad Sanchez\00"
@.str.12 = [13 x i8] c"Monte Cristi\00"
@.str.13 = [11 x i8] c"Pedernales\00"
@.str.14 = [8 x i8] c"Peravia\00"
@.str.15 = [13 x i8] c"Puerto Plata\00"
@.str.16 = [8 x i8] c"Salcedo\00"
@.str.17 = [7 x i8] c"Samana\00"
@.str.18 = [16 x i8] c"Sanchez Ramirez\00"
@.str.19 = [9 x i8] c"San Juan\00"
@.str.20 = [21 x i8] c"San Pedro De Macoris\00"
@.str.21 = [9 x i8] c"Santiago\00"
@.str.22 = [19 x i8] c"Santiago Rodriguez\00"
@.str.23 = [9 x i8] c"Valverde\00"
@.str.24 = [9 x i8] c"El Seibo\00"
@.str.25 = [11 x i8] c"Hato Mayor\00"
@.str.26 = [8 x i8] c"La Vega\00"
@.str.27 = [15 x i8] c"Monsenor Nouel\00"
@.str.28 = [12 x i8] c"Monte Plata\00"
@.str.29 = [14 x i8] c"San Cristobal\00"
@.str.30 = [17 x i8] c"San Jose de Ocoa\00"
@.str.31 = [14 x i8] c"Santo Domingo\00"
@switch.table.get_region_name_DO = [37 x i8*] [i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.6, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.10, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.11, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.12, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.13, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.14, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.15, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.16, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i64 0, i64 0), i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.18, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.19, i64 0, i64 0), i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.20, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.21, i64 0, i64 0), i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.22, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.23, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.24, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.25, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.26, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.27, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.28, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.29, i64 0, i64 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.14, i64 0, i64 0), i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.30, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.31, i64 0, i64 0)]
define i8* @get_region_name_DO(i32 %0) {
%2 = add i32 %0, -1
%3 = icmp ult i32 %2, 37
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = getelementptr inbounds [37 x i8*], [37 x i8*]* @switch.table.get_region_name_DO, i64 0, i64 %5
%7 = load i8*, i8** %6
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ null, %1 ]
ret i8* %9
}