const char *cUserLevel(unsigned uPermLevel) {
  switch (uPermLevel) {
  case 12:
    return ("Back-Office Root");
    break;
  case 10:
    return ("Back-Office Admin");
    break;
  case 8:
    return ("Back-Office Reseller");
    break;
  case 7:
    return ("Back-Office Customer");
    break;
  case 6:
    return ("Organization Admin");
    break;
  case 5:
    return ("Organization Bookkeeper");
    break;
  case 4:
    return ("Organization Customer Service");
    break;
  case 3:
    return ("Organization Sales Force");
    break;
  case 2:
    return ("Organization Webmaster");
    break;
  case 1:
    return ("Organization Customer");
    break;
  default:
    return ("---");
    break;
  }
}


x86 assembly (clang, -O0):
<cUserLevel>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0xb,%eax
ja     11d0 <cUserLevel+0xd0>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xef9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xefa(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xefc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xf01(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xf06(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xf09(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xf11(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xf1f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xf28(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xf2f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <cUserLevel+0xdb>
lea    0xf35(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<cUserLevel>:
add    $0xffffffff,%edi
cmp    $0xb,%edi
ja     111a <cUserLevel+0x1a>
movslq %edi,%rax
lea    0xfce(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
lea    0xfbb(%rip),%rax
ret

LLVM IR (-O0):
@.str = [17 x i8] c"Back-Office Root\00"
@.str.1 = [18 x i8] c"Back-Office Admin\00"
@.str.2 = [21 x i8] c"Back-Office Reseller\00"
@.str.3 = [21 x i8] c"Back-Office Customer\00"
@.str.4 = [19 x i8] c"Organization Admin\00"
@.str.5 = [24 x i8] c"Organization Bookkeeper\00"
@.str.6 = [30 x i8] c"Organization Customer Service\00"
@.str.7 = [25 x i8] c"Organization Sales Force\00"
@.str.8 = [23 x i8] c"Organization Webmaster\00"
@.str.9 = [22 x i8] c"Organization Customer\00"
@.str.10 = [4 x i8] c"---\00"
define i8* @cUserLevel(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %15 [
i32 12, label %5
i32 10, label %6
i32 8, label %7
i32 7, label %8
i32 6, label %9
i32 5, label %10
i32 4, label %11
i32 3, label %12
i32 2, label %13
i32 1, label %14
]
5: ; preds = %1
store i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0), i8** %2
br label %16
6: ; preds = %1
store i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %16
7: ; preds = %1
store i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %16
8: ; preds = %1
store i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %16
9: ; preds = %1
store i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %16
10: ; preds = %1
store i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %16
11: ; preds = %1
store i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %16
12: ; preds = %1
store i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %16
13: ; preds = %1
store i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %16
14: ; preds = %1
store i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %16
15: ; preds = %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.10, i64 0, i64 0), 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 = [17 x i8] c"Back-Office Root\00"
@.str.1 = [18 x i8] c"Back-Office Admin\00"
@.str.2 = [21 x i8] c"Back-Office Reseller\00"
@.str.3 = [21 x i8] c"Back-Office Customer\00"
@.str.4 = [19 x i8] c"Organization Admin\00"
@.str.5 = [24 x i8] c"Organization Bookkeeper\00"
@.str.6 = [30 x i8] c"Organization Customer Service\00"
@.str.7 = [25 x i8] c"Organization Sales Force\00"
@.str.8 = [23 x i8] c"Organization Webmaster\00"
@.str.9 = [22 x i8] c"Organization Customer\00"
@.str.10 = [4 x i8] c"---\00"
@reltable.cUserLevel = [12 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([22 x i8]* @.str.9 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([23 x i8]* @.str.8 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([25 x i8]* @.str.7 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([30 x i8]* @.str.6 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([24 x i8]* @.str.5 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([19 x i8]* @.str.4 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([21 x i8]* @.str.3 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([21 x i8]* @.str.2 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str.10 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([18 x i8]* @.str.1 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str.10 to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([17 x i8]* @.str to i64), i64 ptrtoint ([12 x i32]* @reltable.cUserLevel to i64)) to i32)]
define i8* @cUserLevel(i32 %0) {
%2 = add i32 %0, -1
%3 = icmp ult i32 %2, 12
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 ([12 x i32]* @reltable.cUserLevel to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ getelementptr inbounds ([4 x i8], [4 x i8]* @.str.10, i64 0, i64 0), %1 ]
ret i8* %9
}