#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_ID(int region_code) {
  switch (region_code) {
  case 1:
    return "Aceh";
  case 2:
    return "Bali";
  case 3:
    return "Bengkulu";
  case 4:
    return "Jakarta Raya";
  case 5:
    return "Jambi";
  case 7:
    return "Jawa Tengah";
  case 8:
    return "Jawa Timur";
  case 10:
    return "Yogyakarta";
  case 11:
    return "Kalimantan Barat";
  case 12:
    return "Kalimantan Selatan";
  case 13:
    return "Kalimantan Tengah";
  case 14:
    return "Kalimantan Timur";
  case 15:
    return "Lampung";
  case 17:
    return "Nusa Tenggara Barat";
  case 18:
    return "Nusa Tenggara Timur";
  case 21:
    return "Sulawesi Tengah";
  case 22:
    return "Sulawesi Tenggara";
  case 24:
    return "Sumatera Barat";
  case 26:
    return "Sumatera Utara";
  case 28:
    return "Maluku";
  case 29:
    return "Maluku Utara";
  case 30:
    return "Jawa Barat";
  case 31:
    return "Sulawesi Utara";
  case 32:
    return "Sumatera Selatan";
  case 33:
    return "Banten";
  case 34:
    return "Gorontalo";
  case 35:
    return "Kepulauan Bangka Belitung";
  case 36:
    return "Papua";
  case 37:
    return "Riau";
  case 38:
    return "Sulawesi Selatan";
  case 39:
    return "Irian Jaya Barat";
  case 40:
    return "Kepulauan Riau";
  case 41:
    return "Sulawesi Barat";
  default:
    return NULL;
  }
}


x86 assembly (clang, -O0):
<get_region_name_ID>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x28,%eax
ja     1340 <get_region_name_ID+0x240>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf6d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf62(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf57(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf50(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf4d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf43(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf3f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf3a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf35(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf36(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf39(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf3b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf3c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf34(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf38(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf3c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf3c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf3e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf3d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf3c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf33(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf30(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf2b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf2a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf2b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf22(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf1c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf26(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf48(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf0c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf0d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf0e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
lea    0xf0d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1348 <get_region_name_ID+0x248>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_region_name_ID>:
add    $0xffffffff,%edi
cmp    $0x28,%edi
ja     1117 <get_region_name_ID+0x17>
movslq %edi,%rax
lea    0x2bf6(%rip),%rcx
mov    (%rcx,%rax,8),%rax
ret
xor    %eax,%eax
ret

LLVM IR (-O0):
@.str = [5 x i8] c"Aceh\00"
@.str.1 = [5 x i8] c"Bali\00"
@.str.2 = [9 x i8] c"Bengkulu\00"
@.str.3 = [13 x i8] c"Jakarta Raya\00"
@.str.4 = [6 x i8] c"Jambi\00"
@.str.5 = [12 x i8] c"Jawa Tengah\00"
@.str.6 = [11 x i8] c"Jawa Timur\00"
@.str.7 = [11 x i8] c"Yogyakarta\00"
@.str.8 = [17 x i8] c"Kalimantan Barat\00"
@.str.9 = [19 x i8] c"Kalimantan Selatan\00"
@.str.10 = [18 x i8] c"Kalimantan Tengah\00"
@.str.11 = [17 x i8] c"Kalimantan Timur\00"
@.str.12 = [8 x i8] c"Lampung\00"
@.str.13 = [20 x i8] c"Nusa Tenggara Barat\00"
@.str.14 = [20 x i8] c"Nusa Tenggara Timur\00"
@.str.15 = [16 x i8] c"Sulawesi Tengah\00"
@.str.16 = [18 x i8] c"Sulawesi Tenggara\00"
@.str.17 = [15 x i8] c"Sumatera Barat\00"
@.str.18 = [15 x i8] c"Sumatera Utara\00"
@.str.19 = [7 x i8] c"Maluku\00"
@.str.20 = [13 x i8] c"Maluku Utara\00"
@.str.21 = [11 x i8] c"Jawa Barat\00"
@.str.22 = [15 x i8] c"Sulawesi Utara\00"
@.str.23 = [17 x i8] c"Sumatera Selatan\00"
@.str.24 = [7 x i8] c"Banten\00"
@.str.25 = [10 x i8] c"Gorontalo\00"
@.str.26 = [26 x i8] c"Kepulauan Bangka Belitung\00"
@.str.27 = [6 x i8] c"Papua\00"
@.str.28 = [5 x i8] c"Riau\00"
@.str.29 = [17 x i8] c"Sulawesi Selatan\00"
@.str.30 = [17 x i8] c"Irian Jaya Barat\00"
@.str.31 = [15 x i8] c"Kepulauan Riau\00"
@.str.32 = [15 x i8] c"Sulawesi Barat\00"
define i8* @get_region_name_ID(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %38 [
i32 1, label %5
i32 2, label %6
i32 3, label %7
i32 4, label %8
i32 5, label %9
i32 7, label %10
i32 8, label %11
i32 10, label %12
i32 11, label %13
i32 12, label %14
i32 13, label %15
i32 14, label %16
i32 15, label %17
i32 17, label %18
i32 18, label %19
i32 21, label %20
i32 22, label %21
i32 24, label %22
i32 26, label %23
i32 28, label %24
i32 29, label %25
i32 30, label %26
i32 31, label %27
i32 32, label %28
i32 33, label %29
i32 34, label %30
i32 35, label %31
i32 36, label %32
i32 37, label %33
i32 38, label %34
i32 39, label %35
i32 40, label %36
i32 41, label %37
]
5: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8** %2
br label %39
6: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %39
7: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %39
8: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %39
9: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %39
10: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %39
11: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %39
12: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %39
13: ; preds = %1
store i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %39
14: ; preds = %1
store i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %39
15: ; preds = %1
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %39
16: ; preds = %1
store i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %39
17: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %39
18: ; preds = %1
store i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %39
19: ; preds = %1
store i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %39
20: ; preds = %1
store i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.15, i64 0, i64 0), i8** %2
br label %39
21: ; preds = %1
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.16, i64 0, i64 0), i8** %2
br label %39
22: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.17, i64 0, i64 0), i8** %2
br label %39
23: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.18, i64 0, i64 0), i8** %2
br label %39
24: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i64 0, i64 0), i8** %2
br label %39
25: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.20, i64 0, i64 0), i8** %2
br label %39
26: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.21, i64 0, i64 0), i8** %2
br label %39
27: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.22, i64 0, i64 0), i8** %2
br label %39
28: ; preds = %1
store i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.23, i64 0, i64 0), i8** %2
br label %39
29: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.24, i64 0, i64 0), i8** %2
br label %39
30: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.25, i64 0, i64 0), i8** %2
br label %39
31: ; preds = %1
store i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.26, i64 0, i64 0), i8** %2
br label %39
32: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.27, i64 0, i64 0), i8** %2
br label %39
33: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.28, i64 0, i64 0), i8** %2
br label %39
34: ; preds = %1
store i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.29, i64 0, i64 0), i8** %2
br label %39
35: ; preds = %1
store i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.30, i64 0, i64 0), i8** %2
br label %39
36: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.31, i64 0, i64 0), i8** %2
br label %39
37: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.32, i64 0, i64 0), i8** %2
br label %39
38: ; preds = %1
store i8* null, i8** %2
br label %39
39: ; preds = %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
%40 = load i8*, i8** %2
ret i8* %40
}

LLVM IR (-O2):
@.str = [5 x i8] c"Aceh\00"
@.str.1 = [5 x i8] c"Bali\00"
@.str.2 = [9 x i8] c"Bengkulu\00"
@.str.3 = [13 x i8] c"Jakarta Raya\00"
@.str.4 = [6 x i8] c"Jambi\00"
@.str.5 = [12 x i8] c"Jawa Tengah\00"
@.str.6 = [11 x i8] c"Jawa Timur\00"
@.str.7 = [11 x i8] c"Yogyakarta\00"
@.str.8 = [17 x i8] c"Kalimantan Barat\00"
@.str.9 = [19 x i8] c"Kalimantan Selatan\00"
@.str.10 = [18 x i8] c"Kalimantan Tengah\00"
@.str.11 = [17 x i8] c"Kalimantan Timur\00"
@.str.12 = [8 x i8] c"Lampung\00"
@.str.13 = [20 x i8] c"Nusa Tenggara Barat\00"
@.str.14 = [20 x i8] c"Nusa Tenggara Timur\00"
@.str.15 = [16 x i8] c"Sulawesi Tengah\00"
@.str.16 = [18 x i8] c"Sulawesi Tenggara\00"
@.str.17 = [15 x i8] c"Sumatera Barat\00"
@.str.18 = [15 x i8] c"Sumatera Utara\00"
@.str.19 = [7 x i8] c"Maluku\00"
@.str.20 = [13 x i8] c"Maluku Utara\00"
@.str.21 = [11 x i8] c"Jawa Barat\00"
@.str.22 = [15 x i8] c"Sulawesi Utara\00"
@.str.23 = [17 x i8] c"Sumatera Selatan\00"
@.str.24 = [7 x i8] c"Banten\00"
@.str.25 = [10 x i8] c"Gorontalo\00"
@.str.26 = [26 x i8] c"Kepulauan Bangka Belitung\00"
@.str.27 = [6 x i8] c"Papua\00"
@.str.28 = [5 x i8] c"Riau\00"
@.str.29 = [17 x i8] c"Sulawesi Selatan\00"
@.str.30 = [17 x i8] c"Irian Jaya Barat\00"
@.str.31 = [15 x i8] c"Kepulauan Riau\00"
@.str.32 = [15 x i8] c"Sulawesi Barat\00"
@switch.table.get_region_name_ID = [41 x i8*] [i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 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 ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.6, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.10, i64 0, i64 0), i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.11, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.12, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.13, i64 0, i64 0), i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.14, i64 0, i64 0), i8* null, i8* null, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.15, i64 0, i64 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.16, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.17, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.18, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.20, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.21, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.22, i64 0, i64 0), i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.23, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.24, i64 0, i64 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.25, i64 0, i64 0), i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.26, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.27, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.28, i64 0, i64 0), i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.29, i64 0, i64 0), i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.30, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.31, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.32, i64 0, i64 0)]
define i8* @get_region_name_ID(i32 %0) {
%2 = add i32 %0, -1
%3 = icmp ult i32 %2, 41
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = getelementptr inbounds [41 x i8*], [41 x i8*]* @switch.table.get_region_name_ID, 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
}