#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_TN(int region_code) {
  switch (region_code) {
  case 2:
    return "Kasserine";
  case 3:
    return "Kairouan";
  case 6:
    return "Jendouba";
  case 10:
    return "Qafsah";
  case 14:
    return "El Kef";
  case 15:
    return "Al Mahdia";
  case 16:
    return "Al Munastir";
  case 17:
    return "Bajah";
  case 18:
    return "Bizerte";
  case 19:
    return "Nabeul";
  case 22:
    return "Siliana";
  case 23:
    return "Sousse";
  case 27:
    return "Ben Arous";
  case 28:
    return "Madanin";
  case 29:
    return "Gabes";
  case 31:
    return "Kebili";
  case 32:
    return "Sfax";
  case 33:
    return "Sidi Bou Zid";
  case 34:
    return "Tataouine";
  case 35:
    return "Tozeur";
  case 36:
    return "Tunis";
  case 37:
    return "Zaghouan";
  case 38:
    return "Aiana";
  case 39:
    return "Manouba";
  default:
    return NULL;
  }
}


x86 assembly (clang, -O0):
<get_region_name_TN>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xfffffffe,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x25,%eax
ja     12b0 <get_region_name_TN+0x1b0>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf61(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf5b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf54(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf4d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf44(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf3b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf35(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf31(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf27(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf1f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf16(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf0e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xf05(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xeff(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xef7(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xeed(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xee4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xed9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xed6(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xed0(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xec7(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xebd(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xeb6(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
lea    0xeac(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b8 <get_region_name_TN+0x1b8>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_region_name_TN>:
add    $0xfffffffe,%edi
cmp    $0x25,%edi
ja     1117 <get_region_name_TN+0x17>
movslq %edi,%rax
lea    0x2c0e(%rip),%rcx
mov    (%rcx,%rax,8),%rax
ret
xor    %eax,%eax
ret

LLVM IR (-O0):
@.str = [10 x i8] c"Kasserine\00"
@.str.1 = [9 x i8] c"Kairouan\00"
@.str.2 = [9 x i8] c"Jendouba\00"
@.str.3 = [7 x i8] c"Qafsah\00"
@.str.4 = [7 x i8] c"El Kef\00"
@.str.5 = [10 x i8] c"Al Mahdia\00"
@.str.6 = [12 x i8] c"Al Munastir\00"
@.str.7 = [6 x i8] c"Bajah\00"
@.str.8 = [8 x i8] c"Bizerte\00"
@.str.9 = [7 x i8] c"Nabeul\00"
@.str.10 = [8 x i8] c"Siliana\00"
@.str.11 = [7 x i8] c"Sousse\00"
@.str.12 = [10 x i8] c"Ben Arous\00"
@.str.13 = [8 x i8] c"Madanin\00"
@.str.14 = [6 x i8] c"Gabes\00"
@.str.15 = [7 x i8] c"Kebili\00"
@.str.16 = [5 x i8] c"Sfax\00"
@.str.17 = [13 x i8] c"Sidi Bou Zid\00"
@.str.18 = [10 x i8] c"Tataouine\00"
@.str.19 = [7 x i8] c"Tozeur\00"
@.str.20 = [6 x i8] c"Tunis\00"
@.str.21 = [9 x i8] c"Zaghouan\00"
@.str.22 = [6 x i8] c"Aiana\00"
@.str.23 = [8 x i8] c"Manouba\00"
define i8* @get_region_name_TN(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %29 [
i32 2, label %5
i32 3, label %6
i32 6, label %7
i32 10, label %8
i32 14, label %9
i32 15, label %10
i32 16, label %11
i32 17, label %12
i32 18, label %13
i32 19, label %14
i32 22, label %15
i32 23, label %16
i32 27, label %17
i32 28, label %18
i32 29, label %19
i32 31, label %20
i32 32, label %21
i32 33, label %22
i32 34, label %23
i32 35, label %24
i32 36, label %25
i32 37, label %26
i32 38, label %27
i32 39, label %28
]
5: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i8** %2
br label %30
6: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %30
7: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %30
8: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %30
9: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %30
10: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %30
11: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %30
12: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %30
13: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %30
14: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %30
15: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %30
16: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %30
17: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %30
18: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %30
19: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %30
20: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.15, i64 0, i64 0), i8** %2
br label %30
21: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.16, i64 0, i64 0), i8** %2
br label %30
22: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.17, i64 0, i64 0), i8** %2
br label %30
23: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.18, i64 0, i64 0), i8** %2
br label %30
24: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i64 0, i64 0), i8** %2
br label %30
25: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.20, i64 0, i64 0), i8** %2
br label %30
26: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.21, i64 0, i64 0), i8** %2
br label %30
27: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.22, i64 0, i64 0), i8** %2
br label %30
28: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.23, i64 0, i64 0), i8** %2
br label %30
29: ; preds = %1
store i8* null, i8** %2
br label %30
30: ; preds = %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
%31 = load i8*, i8** %2
ret i8* %31
}

LLVM IR (-O2):
@.str = [10 x i8] c"Kasserine\00"
@.str.1 = [9 x i8] c"Kairouan\00"
@.str.2 = [9 x i8] c"Jendouba\00"
@.str.3 = [7 x i8] c"Qafsah\00"
@.str.4 = [7 x i8] c"El Kef\00"
@.str.5 = [10 x i8] c"Al Mahdia\00"
@.str.6 = [12 x i8] c"Al Munastir\00"
@.str.7 = [6 x i8] c"Bajah\00"
@.str.8 = [8 x i8] c"Bizerte\00"
@.str.9 = [7 x i8] c"Nabeul\00"
@.str.10 = [8 x i8] c"Siliana\00"
@.str.11 = [7 x i8] c"Sousse\00"
@.str.12 = [10 x i8] c"Ben Arous\00"
@.str.13 = [8 x i8] c"Madanin\00"
@.str.14 = [6 x i8] c"Gabes\00"
@.str.15 = [7 x i8] c"Kebili\00"
@.str.16 = [5 x i8] c"Sfax\00"
@.str.17 = [13 x i8] c"Sidi Bou Zid\00"
@.str.18 = [10 x i8] c"Tataouine\00"
@.str.19 = [7 x i8] c"Tozeur\00"
@.str.20 = [6 x i8] c"Tunis\00"
@.str.21 = [9 x i8] c"Zaghouan\00"
@.str.22 = [6 x i8] c"Aiana\00"
@.str.23 = [8 x i8] c"Manouba\00"
@switch.table.get_region_name_TN = [38 x i8*] [i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i8* null, i8* null, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8* null, i8* null, i8* null, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i8* null, i8* null, i8* null, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.6, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.9, i64 0, i64 0), i8* null, i8* null, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.10, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i8* null, i8* null, i8* null, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.12, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.13, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.14, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.15, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.16, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.17, i64 0, i64 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.18, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 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 ([6 x i8], [6 x i8]* @.str.22, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.23, i64 0, i64 0)]
define i8* @get_region_name_TN(i32 %0) {
%2 = add i32 %0, -2
%3 = icmp ult i32 %2, 38
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = getelementptr inbounds [38 x i8*], [38 x i8*]* @switch.table.get_region_name_TN, 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
}