#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_SD(int region_code) {
  switch (region_code) {
  case 27:
    return "Al Wusta";
  case 28:
    return "Al Istiwa'iyah";
  case 29:
    return "Al Khartum";
  case 30:
    return "Ash Shamaliyah";
  case 31:
    return "Ash Sharqiyah";
  case 32:
    return "Bahr al Ghazal";
  case 33:
    return "Darfur";
  case 34:
    return "Kurdufan";
  case 35:
    return "Upper Nile";
  case 40:
    return "Al Wahadah State";
  case 44:
    return "Central Equatoria State";
  case 49:
    return "Southern Darfur";
  case 50:
    return "Southern Kordofan";
  case 52:
    return "Kassala";
  case 53:
    return "River Nile";
  case 55:
    return "Northern Darfur";
  default:
    return NULL;
  }
}


x86 assembly (clang, -O0):
<get_region_name_SD>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffffe5,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x1c,%eax
ja     1230 <get_region_name_SD+0x130>
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    1238 <get_region_name_SD+0x138>
lea    0xf36(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf35(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf30(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf2f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf2d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xfa7(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf1c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf15(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf10(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf11(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf19(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf19(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf1b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf13(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
lea    0xf0e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1238 <get_region_name_SD+0x138>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_region_name_SD>:
add    $0xffffffe5,%edi
cmp    $0x1c,%edi
ja     1117 <get_region_name_SD+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"Al Wusta\00"
@.str.1 = [15 x i8] c"Al Istiwa'iyah\00"
@.str.2 = [11 x i8] c"Al Khartum\00"
@.str.3 = [15 x i8] c"Ash Shamaliyah\00"
@.str.4 = [14 x i8] c"Ash Sharqiyah\00"
@.str.5 = [15 x i8] c"Bahr al Ghazal\00"
@.str.6 = [7 x i8] c"Darfur\00"
@.str.7 = [9 x i8] c"Kurdufan\00"
@.str.8 = [11 x i8] c"Upper Nile\00"
@.str.9 = [17 x i8] c"Al Wahadah State\00"
@.str.10 = [24 x i8] c"Central Equatoria State\00"
@.str.11 = [16 x i8] c"Southern Darfur\00"
@.str.12 = [18 x i8] c"Southern Kordofan\00"
@.str.13 = [8 x i8] c"Kassala\00"
@.str.14 = [11 x i8] c"River Nile\00"
@.str.15 = [16 x i8] c"Northern Darfur\00"
define i8* @get_region_name_SD(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %21 [
i32 27, label %5
i32 28, label %6
i32 29, label %7
i32 30, label %8
i32 31, label %9
i32 32, label %10
i32 33, label %11
i32 34, label %12
i32 35, label %13
i32 40, label %14
i32 44, label %15
i32 49, label %16
i32 50, label %17
i32 52, label %18
i32 53, label %19
i32 55, label %20
]
5: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i8** %2
br label %22
6: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %22
7: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %22
8: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %22
9: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %22
10: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %22
11: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %22
12: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %22
13: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %22
14: ; preds = %1
store i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %22
15: ; preds = %1
store i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %22
16: ; preds = %1
store i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %22
17: ; preds = %1
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %22
18: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %22
19: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %22
20: ; preds = %1
store i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.15, i64 0, i64 0), i8** %2
br label %22
21: ; preds = %1
store i8* null, i8** %2
br label %22
22: ; preds = %21, %20, %19, %18, %17, %16, %15, %14, %13, %12, %11, %10, %9, %8, %7, %6, %5
%23 = load i8*, i8** %2
ret i8* %23
}

LLVM IR (-O2):
@.str = [9 x i8] c"Al Wusta\00"
@.str.1 = [15 x i8] c"Al Istiwa'iyah\00"
@.str.2 = [11 x i8] c"Al Khartum\00"
@.str.3 = [15 x i8] c"Ash Shamaliyah\00"
@.str.4 = [14 x i8] c"Ash Sharqiyah\00"
@.str.5 = [15 x i8] c"Bahr al Ghazal\00"
@.str.6 = [7 x i8] c"Darfur\00"
@.str.7 = [9 x i8] c"Kurdufan\00"
@.str.8 = [11 x i8] c"Upper Nile\00"
@.str.9 = [17 x i8] c"Al Wahadah State\00"
@.str.10 = [24 x i8] c"Central Equatoria State\00"
@.str.11 = [16 x i8] c"Southern Darfur\00"
@.str.12 = [18 x i8] c"Southern Kordofan\00"
@.str.13 = [8 x i8] c"Kassala\00"
@.str.14 = [11 x i8] c"River Nile\00"
@.str.15 = [16 x i8] c"Northern Darfur\00"
@switch.table.get_region_name_SD = [29 x i8*] [i8* getelementptr inbounds ([9 x i8], [9 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 ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.8, i64 0, i64 0), i8* null, i8* null, i8* null, i8* null, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.9, i64 0, i64 0), i8* null, i8* null, i8* null, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.10, i64 0, i64 0), i8* null, i8* null, i8* null, i8* null, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.11, i64 0, i64 0), i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.12, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.13, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.14, i64 0, i64 0), i8* null, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.15, i64 0, i64 0)]
define i8* @get_region_name_SD(i32 %0) {
%2 = add i32 %0, -27
%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_SD, 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
}