#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_IN(int region_code) {
  switch (region_code) {
  case 1:
    return "Andaman and Nicobar Islands";
  case 2:
    return "Andhra Pradesh";
  case 3:
    return "Assam";
  case 5:
    return "Chandigarh";
  case 6:
    return "Dadra and Nagar Haveli";
  case 7:
    return "Delhi";
  case 9:
    return "Gujarat";
  case 10:
    return "Haryana";
  case 11:
    return "Himachal Pradesh";
  case 12:
    return "Jammu and Kashmir";
  case 13:
    return "Kerala";
  case 14:
    return "Lakshadweep";
  case 16:
    return "Maharashtra";
  case 17:
    return "Manipur";
  case 18:
    return "Meghalaya";
  case 19:
    return "Karnataka";
  case 20:
    return "Nagaland";
  case 21:
    return "Orissa";
  case 22:
    return "Puducherry";
  case 23:
    return "Punjab";
  case 24:
    return "Rajasthan";
  case 25:
    return "Tamil Nadu";
  case 26:
    return "Tripura";
  case 28:
    return "West Bengal";
  case 29:
    return "Sikkim";
  case 30:
    return "Arunachal Pradesh";
  case 31:
    return "Mizoram";
  case 32:
    return "Daman and Diu";
  case 33:
    return "Goa";
  case 34:
    return "Bihar";
  case 35:
    return "Madhya Pradesh";
  case 36:
    return "Uttar Pradesh";
  case 37:
    return "Chhattisgarh";
  case 38:
    return "Jharkhand";
  case 39:
    return "Uttarakhand";
  default:
    return NULL;
  }
}


x86 assembly (clang, -O0):
<get_region_name_IN>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x26,%eax
ja     1360 <get_region_name_IN+0x260>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf65(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf71(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf70(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf66(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf61(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf68(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf5e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf56(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf4e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf4f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf51(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf48(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf44(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf40(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf38(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf32(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf2c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf25(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf1c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf17(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf0e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf08(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xf03(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xefb(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xef7(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xeee(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xef0(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xee8(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xee6(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xeda(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xed0(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xecf(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xecd(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xeca(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
lea    0xec4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1368 <get_region_name_IN+0x268>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_region_name_IN>:
add    $0xffffffff,%edi
cmp    $0x26,%edi
ja     1117 <get_region_name_IN+0x17>
movslq %edi,%rax
lea    0x2c06(%rip),%rcx
mov    (%rcx,%rax,8),%rax
ret
xor    %eax,%eax
ret

LLVM IR (-O0):
@.str = [28 x i8] c"Andaman and Nicobar Islands\00"
@.str.1 = [15 x i8] c"Andhra Pradesh\00"
@.str.2 = [6 x i8] c"Assam\00"
@.str.3 = [11 x i8] c"Chandigarh\00"
@.str.4 = [23 x i8] c"Dadra and Nagar Haveli\00"
@.str.5 = [6 x i8] c"Delhi\00"
@.str.6 = [8 x i8] c"Gujarat\00"
@.str.7 = [8 x i8] c"Haryana\00"
@.str.8 = [17 x i8] c"Himachal Pradesh\00"
@.str.9 = [18 x i8] c"Jammu and Kashmir\00"
@.str.10 = [7 x i8] c"Kerala\00"
@.str.11 = [12 x i8] c"Lakshadweep\00"
@.str.12 = [12 x i8] c"Maharashtra\00"
@.str.13 = [8 x i8] c"Manipur\00"
@.str.14 = [10 x i8] c"Meghalaya\00"
@.str.15 = [10 x i8] c"Karnataka\00"
@.str.16 = [9 x i8] c"Nagaland\00"
@.str.17 = [7 x i8] c"Orissa\00"
@.str.18 = [11 x i8] c"Puducherry\00"
@.str.19 = [7 x i8] c"Punjab\00"
@.str.20 = [10 x i8] c"Rajasthan\00"
@.str.21 = [11 x i8] c"Tamil Nadu\00"
@.str.22 = [8 x i8] c"Tripura\00"
@.str.23 = [12 x i8] c"West Bengal\00"
@.str.24 = [7 x i8] c"Sikkim\00"
@.str.25 = [18 x i8] c"Arunachal Pradesh\00"
@.str.26 = [8 x i8] c"Mizoram\00"
@.str.27 = [14 x i8] c"Daman and Diu\00"
@.str.28 = [4 x i8] c"Goa\00"
@.str.29 = [6 x i8] c"Bihar\00"
@.str.30 = [15 x i8] c"Madhya Pradesh\00"
@.str.31 = [14 x i8] c"Uttar Pradesh\00"
@.str.32 = [13 x i8] c"Chhattisgarh\00"
@.str.33 = [10 x i8] c"Jharkhand\00"
@.str.34 = [12 x i8] c"Uttarakhand\00"
define i8* @get_region_name_IN(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %40 [
i32 1, label %5
i32 2, label %6
i32 3, label %7
i32 5, label %8
i32 6, label %9
i32 7, label %10
i32 9, label %11
i32 10, label %12
i32 11, label %13
i32 12, label %14
i32 13, label %15
i32 14, 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 28, label %28
i32 29, label %29
i32 30, label %30
i32 31, label %31
i32 32, label %32
i32 33, label %33
i32 34, label %34
i32 35, label %35
i32 36, label %36
i32 37, label %37
i32 38, label %38
i32 39, label %39
]
5: ; preds = %1
store i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str, i64 0, i64 0), i8** %2
br label %41
6: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %41
7: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %41
8: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %41
9: ; preds = %1
store i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %41
10: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %41
11: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %41
12: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %41
13: ; preds = %1
store i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %41
14: ; preds = %1
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %41
15: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %41
16: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %41
17: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %41
18: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %41
19: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %41
20: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.15, i64 0, i64 0), i8** %2
br label %41
21: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.16, i64 0, i64 0), i8** %2
br label %41
22: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.17, i64 0, i64 0), i8** %2
br label %41
23: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.18, i64 0, i64 0), i8** %2
br label %41
24: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.19, i64 0, i64 0), i8** %2
br label %41
25: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.20, i64 0, i64 0), i8** %2
br label %41
26: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.21, i64 0, i64 0), i8** %2
br label %41
27: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.22, i64 0, i64 0), i8** %2
br label %41
28: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.23, i64 0, i64 0), i8** %2
br label %41
29: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.24, i64 0, i64 0), i8** %2
br label %41
30: ; preds = %1
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.25, i64 0, i64 0), i8** %2
br label %41
31: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.26, i64 0, i64 0), i8** %2
br label %41
32: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.27, i64 0, i64 0), i8** %2
br label %41
33: ; preds = %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.28, i64 0, i64 0), i8** %2
br label %41
34: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.29, i64 0, i64 0), i8** %2
br label %41
35: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.30, i64 0, i64 0), i8** %2
br label %41
36: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.31, i64 0, i64 0), i8** %2
br label %41
37: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.32, i64 0, i64 0), i8** %2
br label %41
38: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.33, i64 0, i64 0), i8** %2
br label %41
39: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.34, i64 0, i64 0), i8** %2
br label %41
40: ; preds = %1
store i8* null, i8** %2
br label %41
41: ; preds = %40, %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
%42 = load i8*, i8** %2
ret i8* %42
}

LLVM IR (-O2):
@.str = [28 x i8] c"Andaman and Nicobar Islands\00"
@.str.1 = [15 x i8] c"Andhra Pradesh\00"
@.str.2 = [6 x i8] c"Assam\00"
@.str.3 = [11 x i8] c"Chandigarh\00"
@.str.4 = [23 x i8] c"Dadra and Nagar Haveli\00"
@.str.5 = [6 x i8] c"Delhi\00"
@.str.6 = [8 x i8] c"Gujarat\00"
@.str.7 = [8 x i8] c"Haryana\00"
@.str.8 = [17 x i8] c"Himachal Pradesh\00"
@.str.9 = [18 x i8] c"Jammu and Kashmir\00"
@.str.10 = [7 x i8] c"Kerala\00"
@.str.11 = [12 x i8] c"Lakshadweep\00"
@.str.12 = [12 x i8] c"Maharashtra\00"
@.str.13 = [8 x i8] c"Manipur\00"
@.str.14 = [10 x i8] c"Meghalaya\00"
@.str.15 = [10 x i8] c"Karnataka\00"
@.str.16 = [9 x i8] c"Nagaland\00"
@.str.17 = [7 x i8] c"Orissa\00"
@.str.18 = [11 x i8] c"Puducherry\00"
@.str.19 = [7 x i8] c"Punjab\00"
@.str.20 = [10 x i8] c"Rajasthan\00"
@.str.21 = [11 x i8] c"Tamil Nadu\00"
@.str.22 = [8 x i8] c"Tripura\00"
@.str.23 = [12 x i8] c"West Bengal\00"
@.str.24 = [7 x i8] c"Sikkim\00"
@.str.25 = [18 x i8] c"Arunachal Pradesh\00"
@.str.26 = [8 x i8] c"Mizoram\00"
@.str.27 = [14 x i8] c"Daman and Diu\00"
@.str.28 = [4 x i8] c"Goa\00"
@.str.29 = [6 x i8] c"Bihar\00"
@.str.30 = [15 x i8] c"Madhya Pradesh\00"
@.str.31 = [14 x i8] c"Uttar Pradesh\00"
@.str.32 = [13 x i8] c"Chhattisgarh\00"
@.str.33 = [10 x i8] c"Jharkhand\00"
@.str.34 = [12 x i8] c"Uttarakhand\00"
@switch.table.get_region_name_IN = [39 x i8*] [i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0), i8* null, 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* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([18 x i8], [18 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 ([12 x i8], [12 x i8]* @.str.11, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([12 x i8], [12 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 ([10 x i8], [10 x i8]* @.str.14, i64 0, i64 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.15, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 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 ([11 x i8], [11 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 ([10 x i8], [10 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 ([8 x i8], [8 x i8]* @.str.22, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([12 x i8], [12 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 ([18 x i8], [18 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 ([14 x i8], [14 x i8]* @.str.27, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.28, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.29, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.30, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.31, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.32, i64 0, i64 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.33, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.34, i64 0, i64 0)]
define i8* @get_region_name_IN(i32 %0) {
%2 = add i32 %0, -1
%3 = icmp ult i32 %2, 39
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = getelementptr inbounds [39 x i8*], [39 x i8*]* @switch.table.get_region_name_IN, 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
}