#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_WS(int region_code) {
  switch (region_code) {
  case 2:
    return "Aiga-i-le-Tai";
  case 3:
    return "Atua";
  case 4:
    return "Fa";
  case 5:
    return "Gaga";
  case 6:
    return "Va";
  case 7:
    return "Gagaifomauga";
  case 8:
    return "Palauli";
  case 9:
    return "Satupa";
  case 10:
    return "Tuamasaga";
  case 11:
    return "Vaisigano";
  default:
    return NULL;
  }
}


x86 assembly (clang, -O0):
<get_region_name_WS>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xfffffffe,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x9,%eax
ja     11d0 <get_region_name_WS+0xd0>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xef1(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
lea    0xeef(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
lea    0xee4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
lea    0xed7(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
lea    0xecc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
lea    0xebf(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
lea    0xebc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
lea    0xeb4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
lea    0xeab(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
lea    0xea5(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d8 <get_region_name_WS+0xd8>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_region_name_WS>:
add    $0xfffffffe,%edi
cmp    $0x9,%edi
ja     111a <get_region_name_WS+0x1a>
movslq %edi,%rax
lea    0xf3e(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
xor    %eax,%eax
ret

LLVM IR (-O0):
@.str = [14 x i8] c"Aiga-i-le-Tai\00"
@.str.1 = [5 x i8] c"Atua\00"
@.str.2 = [3 x i8] c"Fa\00"
@.str.3 = [5 x i8] c"Gaga\00"
@.str.4 = [3 x i8] c"Va\00"
@.str.5 = [13 x i8] c"Gagaifomauga\00"
@.str.6 = [8 x i8] c"Palauli\00"
@.str.7 = [7 x i8] c"Satupa\00"
@.str.8 = [10 x i8] c"Tuamasaga\00"
@.str.9 = [10 x i8] c"Vaisigano\00"
define i8* @get_region_name_WS(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %15 [
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 10, label %13
i32 11, label %14
]
5: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0), i8** %2
br label %16
6: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %16
7: ; preds = %1
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %16
8: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %16
9: ; preds = %1
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %16
10: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %16
11: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %16
12: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %16
13: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %16
14: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %16
15: ; preds = %1
store i8* null, i8** %2
br label %16
16: ; preds = %15, %14, %13, %12, %11, %10, %9, %8, %7, %6, %5
%17 = load i8*, i8** %2
ret i8* %17
}

LLVM IR (-O2):
@.str = [14 x i8] c"Aiga-i-le-Tai\00"
@.str.1 = [5 x i8] c"Atua\00"
@.str.2 = [3 x i8] c"Fa\00"
@.str.3 = [5 x i8] c"Gaga\00"
@.str.4 = [3 x i8] c"Va\00"
@.str.5 = [13 x i8] c"Gagaifomauga\00"
@.str.6 = [8 x i8] c"Palauli\00"
@.str.7 = [7 x i8] c"Satupa\00"
@.str.8 = [10 x i8] c"Tuamasaga\00"
@.str.9 = [10 x i8] c"Vaisigano\00"
@reltable.get_region_name_WS = [10 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([14 x i8]* @.str to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @.str.1 to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([3 x i8]* @.str.2 to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @.str.3 to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([3 x i8]* @.str.4 to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([13 x i8]* @.str.5 to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.6 to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.7 to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.8 to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.9 to i64), i64 ptrtoint ([10 x i32]* @reltable.get_region_name_WS to i64)) to i32)]
define i8* @get_region_name_WS(i32 %0) {
%2 = add i32 %0, -2
%3 = icmp ult i32 %2, 10
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 ([10 x i32]* @reltable.get_region_name_WS to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ null, %1 ]
ret i8* %9
}