#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_MW(int region_code) {
  switch (region_code) {
  case 2:
    return "Chikwawa";
  case 3:
    return "Chiradzulu";
  case 4:
    return "Chitipa";
  case 5:
    return "Thyolo";
  case 6:
    return "Dedza";
  case 7:
    return "Dowa";
  case 8:
    return "Karonga";
  case 9:
    return "Kasungu";
  case 11:
    return "Lilongwe";
  case 12:
    return "Mangochi";
  case 13:
    return "Mchinji";
  case 15:
    return "Mzimba";
  case 16:
    return "Ntcheu";
  case 17:
    return "Nkhata Bay";
  case 18:
    return "Nkhotakota";
  case 19:
    return "Nsanje";
  case 20:
    return "Ntchisi";
  case 21:
    return "Rumphi";
  case 22:
    return "Salima";
  case 23:
    return "Zomba";
  case 24:
    return "Blantyre";
  case 25:
    return "Mwanza";
  case 26:
    return "Balaka";
  case 27:
    return "Likoma";
  case 28:
    return "Machinga";
  case 29:
    return "Mulanje";
  case 30:
    return "Phalombe";
  default:
    return NULL;
  }
}


x86 assembly (clang, -O0):
<get_region_name_MW>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xfffffffe,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x1c,%eax
ja     12e0 <get_region_name_MW+0x1e0>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf3d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xf36(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xf31(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xf29(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xf20(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xf16(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xf0b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xf03(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xefb(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xef4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xeed(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xee5(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xedc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xed3(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xece(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xec9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xec0(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xeb8(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xeaf(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xea6(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xe9c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xe95(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xe8c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xe83(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xe7a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xe73(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
lea    0xe6b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12e8 <get_region_name_MW+0x1e8>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_region_name_MW>:
add    $0xfffffffe,%edi
cmp    $0x1c,%edi
ja     1117 <get_region_name_MW+0x17>
movslq %edi,%rax
lea    0x2c56(%rip),%rcx
mov    (%rcx,%rax,8),%rax
ret
xor    %eax,%eax
ret

LLVM IR (-O0):
@.str = [9 x i8] c"Chikwawa\00"
@.str.1 = [11 x i8] c"Chiradzulu\00"
@.str.2 = [8 x i8] c"Chitipa\00"
@.str.3 = [7 x i8] c"Thyolo\00"
@.str.4 = [6 x i8] c"Dedza\00"
@.str.5 = [5 x i8] c"Dowa\00"
@.str.6 = [8 x i8] c"Karonga\00"
@.str.7 = [8 x i8] c"Kasungu\00"
@.str.8 = [9 x i8] c"Lilongwe\00"
@.str.9 = [9 x i8] c"Mangochi\00"
@.str.10 = [8 x i8] c"Mchinji\00"
@.str.11 = [7 x i8] c"Mzimba\00"
@.str.12 = [7 x i8] c"Ntcheu\00"
@.str.13 = [11 x i8] c"Nkhata Bay\00"
@.str.14 = [11 x i8] c"Nkhotakota\00"
@.str.15 = [7 x i8] c"Nsanje\00"
@.str.16 = [8 x i8] c"Ntchisi\00"
@.str.17 = [7 x i8] c"Rumphi\00"
@.str.18 = [7 x i8] c"Salima\00"
@.str.19 = [6 x i8] c"Zomba\00"
@.str.20 = [9 x i8] c"Blantyre\00"
@.str.21 = [7 x i8] c"Mwanza\00"
@.str.22 = [7 x i8] c"Balaka\00"
@.str.23 = [7 x i8] c"Likoma\00"
@.str.24 = [9 x i8] c"Machinga\00"
@.str.25 = [8 x i8] c"Mulanje\00"
@.str.26 = [9 x i8] c"Phalombe\00"
define i8* @get_region_name_MW(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %32 [
i32 2, label %5
i32 3, label %6
i32 4, label %7
i32 5, label %8
i32 6, label %9
i32 7, label %10
i32 8, label %11
i32 9, label %12
i32 11, label %13
i32 12, label %14
i32 13, label %15
i32 15, label %16
i32 16, label %17
i32 17, label %18
i32 18, label %19
i32 19, label %20
i32 20, label %21
i32 21, label %22
i32 22, 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
]
5: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i8** %2
br label %33
6: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %33
7: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %33
8: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %33
9: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %33
10: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %33
11: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %33
12: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %33
13: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %33
14: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %33
15: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %33
16: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %33
17: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %33
18: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %33
19: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %33
20: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.15, i64 0, i64 0), i8** %2
br label %33
21: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.16, i64 0, i64 0), i8** %2
br label %33
22: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i64 0, i64 0), i8** %2
br label %33
23: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.18, i64 0, i64 0), i8** %2
br label %33
24: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.19, i64 0, i64 0), i8** %2
br label %33
25: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.20, i64 0, i64 0), i8** %2
br label %33
26: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.21, i64 0, i64 0), i8** %2
br label %33
27: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.22, i64 0, i64 0), i8** %2
br label %33
28: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.23, i64 0, i64 0), i8** %2
br label %33
29: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.24, i64 0, i64 0), i8** %2
br label %33
30: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.25, i64 0, i64 0), i8** %2
br label %33
31: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.26, i64 0, i64 0), i8** %2
br label %33
32: ; preds = %1
store i8* null, i8** %2
br label %33
33: ; preds = %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
%34 = load i8*, i8** %2
ret i8* %34
}

LLVM IR (-O2):
@.str = [9 x i8] c"Chikwawa\00"
@.str.1 = [11 x i8] c"Chiradzulu\00"
@.str.2 = [8 x i8] c"Chitipa\00"
@.str.3 = [7 x i8] c"Thyolo\00"
@.str.4 = [6 x i8] c"Dedza\00"
@.str.5 = [5 x i8] c"Dowa\00"
@.str.6 = [8 x i8] c"Karonga\00"
@.str.7 = [8 x i8] c"Kasungu\00"
@.str.8 = [9 x i8] c"Lilongwe\00"
@.str.9 = [9 x i8] c"Mangochi\00"
@.str.10 = [8 x i8] c"Mchinji\00"
@.str.11 = [7 x i8] c"Mzimba\00"
@.str.12 = [7 x i8] c"Ntcheu\00"
@.str.13 = [11 x i8] c"Nkhata Bay\00"
@.str.14 = [11 x i8] c"Nkhotakota\00"
@.str.15 = [7 x i8] c"Nsanje\00"
@.str.16 = [8 x i8] c"Ntchisi\00"
@.str.17 = [7 x i8] c"Rumphi\00"
@.str.18 = [7 x i8] c"Salima\00"
@.str.19 = [6 x i8] c"Zomba\00"
@.str.20 = [9 x i8] c"Blantyre\00"
@.str.21 = [7 x i8] c"Mwanza\00"
@.str.22 = [7 x i8] c"Balaka\00"
@.str.23 = [7 x i8] c"Likoma\00"
@.str.24 = [9 x i8] c"Machinga\00"
@.str.25 = [8 x i8] c"Mulanje\00"
@.str.26 = [9 x i8] c"Phalombe\00"
@switch.table.get_region_name_MW = [29 x i8*] [i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 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 ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.7, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.10, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 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 ([11 x i8], [11 x i8]* @.str.14, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 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 ([7 x i8], [7 x i8]* @.str.18, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.19, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.20, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.21, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.22, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 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 ([8 x i8], [8 x i8]* @.str.25, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.26, i64 0, i64 0)]
define i8* @get_region_name_MW(i32 %0) {
%2 = add i32 %0, -2
%3 = icmp ult i32 %2, 29
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = getelementptr inbounds [29 x i8*], [29 x i8*]* @switch.table.get_region_name_MW, 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
}