#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_VU(int region_code) {
  switch (region_code) {
  case 5:
    return "Ambrym";
  case 6:
    return "Aoba";
  case 7:
    return "Torba";
  case 8:
    return "Efate";
  case 9:
    return "Epi";
  case 10:
    return "Malakula";
  case 11:
    return "Paama";
  case 12:
    return "Pentecote";
  case 13:
    return "Sanma";
  case 14:
    return "Shepherd";
  case 15:
    return "Tafea";
  case 16:
    return "Malampa";
  case 17:
    return "Penama";
  case 18:
    return "Shefa";
  default:
    return NULL;
  }
}


x86 assembly (clang, -O0):
<get_region_name_VU>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xfffffffb,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0xd,%eax
ja     1210 <get_region_name_VU+0x110>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf01(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xef8(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xeed(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xee3(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xed9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xecd(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xec6(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xebc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xeb6(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xeac(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xea5(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xe9b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xe93(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
lea    0xe8a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    1218 <get_region_name_VU+0x118>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_region_name_VU>:
add    $0xfffffffb,%edi
cmp    $0xd,%edi
ja     111a <get_region_name_VU+0x1a>
movslq %edi,%rax
lea    0xf4e(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
xor    %eax,%eax
ret

LLVM IR (-O0):
@.str = [7 x i8] c"Ambrym\00"
@.str.1 = [5 x i8] c"Aoba\00"
@.str.2 = [6 x i8] c"Torba\00"
@.str.3 = [6 x i8] c"Efate\00"
@.str.4 = [4 x i8] c"Epi\00"
@.str.5 = [9 x i8] c"Malakula\00"
@.str.6 = [6 x i8] c"Paama\00"
@.str.7 = [10 x i8] c"Pentecote\00"
@.str.8 = [6 x i8] c"Sanma\00"
@.str.9 = [9 x i8] c"Shepherd\00"
@.str.10 = [6 x i8] c"Tafea\00"
@.str.11 = [8 x i8] c"Malampa\00"
@.str.12 = [7 x i8] c"Penama\00"
@.str.13 = [6 x i8] c"Shefa\00"
define i8* @get_region_name_VU(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %19 [
i32 5, label %5
i32 6, label %6
i32 7, label %7
i32 8, label %8
i32 9, label %9
i32 10, label %10
i32 11, label %11
i32 12, label %12
i32 13, label %13
i32 14, label %14
i32 15, label %15
i32 16, label %16
i32 17, label %17
i32 18, label %18
]
5: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i8** %2
br label %20
6: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %20
7: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %20
8: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %20
9: ; preds = %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %20
10: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %20
11: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %20
12: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %20
13: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %20
14: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %20
15: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %20
16: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %20
17: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %20
18: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %20
19: ; preds = %1
store i8* null, i8** %2
br label %20
20: ; preds = %19, %18, %17, %16, %15, %14, %13, %12, %11, %10, %9, %8, %7, %6, %5
%21 = load i8*, i8** %2
ret i8* %21
}

LLVM IR (-O2):
@.str = [7 x i8] c"Ambrym\00"
@.str.1 = [5 x i8] c"Aoba\00"
@.str.2 = [6 x i8] c"Torba\00"
@.str.3 = [6 x i8] c"Efate\00"
@.str.4 = [4 x i8] c"Epi\00"
@.str.5 = [9 x i8] c"Malakula\00"
@.str.6 = [6 x i8] c"Paama\00"
@.str.7 = [10 x i8] c"Pentecote\00"
@.str.8 = [6 x i8] c"Sanma\00"
@.str.9 = [9 x i8] c"Shepherd\00"
@.str.10 = [6 x i8] c"Tafea\00"
@.str.11 = [8 x i8] c"Malampa\00"
@.str.12 = [7 x i8] c"Penama\00"
@.str.13 = [6 x i8] c"Shefa\00"
@reltable.get_region_name_VU = [14 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @.str.1 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.2 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.3 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str.4 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @.str.5 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.6 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.7 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.8 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @.str.9 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.10 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.11 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.12 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.13 to i64), i64 ptrtoint ([14 x i32]* @reltable.get_region_name_VU to i64)) to i32)]
define i8* @get_region_name_VU(i32 %0) {
%2 = add i32 %0, -5
%3 = icmp ult i32 %2, 14
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = shl i64 %5, 2
%7 = call i8* @llvm.load.relative.i64(i8* bitcast ([14 x i32]* @reltable.get_region_name_VU to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ null, %1 ]
ret i8* %9
}