#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_JO(int region_code) {
  switch (region_code) {
  case 2:
    return "Al Balqa'";
  case 9:
    return "Al Karak";
  case 12:
    return "At Tafilah";
  case 15:
    return "Al Mafraq";
  case 16:
    return "Amman";
  case 17:
    return "Az Zaraqa";
  case 18:
    return "Irbid";
  case 19:
    return "Ma'an";
  case 20:
    return "Ajlun";
  case 21:
    return "Al Aqabah";
  case 22:
    return "Jarash";
  case 23:
    return "Madaba";
  default:
    return NULL;
  }
}


x86 assembly (clang, -O0):
<get_region_name_JO>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xfffffffe,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x15,%eax
ja     11f0 <get_region_name_JO+0xf0>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf21(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xf1b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xf14(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xf0f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xf09(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xeff(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xef9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xeef(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xee5(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xedb(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xed5(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
lea    0xecc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11f8 <get_region_name_JO+0xf8>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_region_name_JO>:
add    $0xfffffffe,%edi
cmp    $0x15,%edi
ja     1117 <get_region_name_JO+0x17>
movslq %edi,%rax
lea    0x2c8e(%rip),%rcx
mov    (%rcx,%rax,8),%rax
ret
xor    %eax,%eax
ret

LLVM IR (-O0):
@.str = [10 x i8] c"Al Balqa'\00"
@.str.1 = [9 x i8] c"Al Karak\00"
@.str.2 = [11 x i8] c"At Tafilah\00"
@.str.3 = [10 x i8] c"Al Mafraq\00"
@.str.4 = [6 x i8] c"Amman\00"
@.str.5 = [10 x i8] c"Az Zaraqa\00"
@.str.6 = [6 x i8] c"Irbid\00"
@.str.7 = [6 x i8] c"Ma'an\00"
@.str.8 = [6 x i8] c"Ajlun\00"
@.str.9 = [10 x i8] c"Al Aqabah\00"
@.str.10 = [7 x i8] c"Jarash\00"
@.str.11 = [7 x i8] c"Madaba\00"
define i8* @get_region_name_JO(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %17 [
i32 2, label %5
i32 9, label %6
i32 12, label %7
i32 15, label %8
i32 16, label %9
i32 17, label %10
i32 18, label %11
i32 19, label %12
i32 20, label %13
i32 21, label %14
i32 22, label %15
i32 23, label %16
]
5: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i8** %2
br label %18
6: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %18
7: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %18
8: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %18
9: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %18
10: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %18
11: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %18
12: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %18
13: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %18
14: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %18
15: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %18
16: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %18
17: ; preds = %1
store i8* null, i8** %2
br label %18
18: ; preds = %17, %16, %15, %14, %13, %12, %11, %10, %9, %8, %7, %6, %5
%19 = load i8*, i8** %2
ret i8* %19
}

LLVM IR (-O2):
@.str = [10 x i8] c"Al Balqa'\00"
@.str.1 = [9 x i8] c"Al Karak\00"
@.str.2 = [11 x i8] c"At Tafilah\00"
@.str.3 = [10 x i8] c"Al Mafraq\00"
@.str.4 = [6 x i8] c"Amman\00"
@.str.5 = [10 x i8] c"Az Zaraqa\00"
@.str.6 = [6 x i8] c"Irbid\00"
@.str.7 = [6 x i8] c"Ma'an\00"
@.str.8 = [6 x i8] c"Ajlun\00"
@.str.9 = [10 x i8] c"Al Aqabah\00"
@.str.10 = [7 x i8] c"Jarash\00"
@.str.11 = [7 x i8] c"Madaba\00"
@switch.table.get_region_name_JO = [22 x i8*] [i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i8* null, i8* null, i8* null, i8* null, i8* null, i8* null, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i8* null, i8* null, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0), i8* null, i8* null, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 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 ([6 x i8], [6 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 ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.10, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0)]
define i8* @get_region_name_JO(i32 %0) {
%2 = add i32 %0, -2
%3 = icmp ult i32 %2, 22
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = getelementptr inbounds [22 x i8*], [22 x i8*]* @switch.table.get_region_name_JO, 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
}