int lsda_util_id2size(int type_id) {
  switch (type_id) {
  case 3:
    return 4;
  case 9:
    return 4;
  case 4:
    return 8;
  case 10:
    return 8;
  case 1:
    return 1;
  case 2:
    return 2;
  case 7:
    return 4;
  case 8:
    return 8;
  case 5:
    return 1;
  case 6:
    return 2;
  case 11:
    return 1;
  case 13:
    return sizeof(short);
  case 12:
    return sizeof(int);
  case 20:
    return sizeof(int);
  case 14:
    return sizeof(long);
  case 16:
    return sizeof(unsigned short);
  case 15:
    return sizeof(unsigned int);
  case 17:
    return sizeof(unsigned long);
  case 18:
    return sizeof(float);
  case 21:
    return sizeof(float);
  case 19:
    return sizeof(double);
  case 22:
    return sizeof(double);
  }
  return 0;
}


x86 assembly (clang, -O0):
<lsda_util_id2size>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0x8(%rbp)
mov    -0x8(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,%ecx
mov    %rcx,-0x10(%rbp)
sub    $0x15,%eax
ja     1238 <lsda_util_id2size+0x138>
mov    -0x10(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
movl   $0x4,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x4,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x8,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x8,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x1,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x2,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x4,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x8,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x1,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x2,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x1,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x2,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x4,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x4,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x8,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x2,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x4,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x8,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x4,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x4,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x8,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x8,-0x4(%rbp)
jmp    123f <lsda_util_id2size+0x13f>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
pop    %rbp
ret

x86 assembly (clang, -O2):
<lsda_util_id2size>:
add    $0xffffffff,%edi
xor    %eax,%eax
cmp    $0x15,%edi
ja     1117 <lsda_util_id2size+0x17>
movslq %edi,%rax
lea    0xeec(%rip),%rcx
mov    (%rcx,%rax,4),%eax
ret

LLVM IR (-O0):
define i32 @lsda_util_id2size(i32 %0) {
%2 = alloca i32
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %27 [
i32 3, label %5
i32 9, label %6
i32 4, label %7
i32 10, label %8
i32 1, label %9
i32 2, label %10
i32 7, label %11
i32 8, label %12
i32 5, label %13
i32 6, label %14
i32 11, label %15
i32 13, label %16
i32 12, label %17
i32 20, label %18
i32 14, label %19
i32 16, label %20
i32 15, label %21
i32 17, label %22
i32 18, label %23
i32 21, label %24
i32 19, label %25
i32 22, label %26
]
5: ; preds = %1
store i32 4, i32* %2
br label %28
6: ; preds = %1
store i32 4, i32* %2
br label %28
7: ; preds = %1
store i32 8, i32* %2
br label %28
8: ; preds = %1
store i32 8, i32* %2
br label %28
9: ; preds = %1
store i32 1, i32* %2
br label %28
10: ; preds = %1
store i32 2, i32* %2
br label %28
11: ; preds = %1
store i32 4, i32* %2
br label %28
12: ; preds = %1
store i32 8, i32* %2
br label %28
13: ; preds = %1
store i32 1, i32* %2
br label %28
14: ; preds = %1
store i32 2, i32* %2
br label %28
15: ; preds = %1
store i32 1, i32* %2
br label %28
16: ; preds = %1
store i32 2, i32* %2
br label %28
17: ; preds = %1
store i32 4, i32* %2
br label %28
18: ; preds = %1
store i32 4, i32* %2
br label %28
19: ; preds = %1
store i32 8, i32* %2
br label %28
20: ; preds = %1
store i32 2, i32* %2
br label %28
21: ; preds = %1
store i32 4, i32* %2
br label %28
22: ; preds = %1
store i32 8, i32* %2
br label %28
23: ; preds = %1
store i32 4, i32* %2
br label %28
24: ; preds = %1
store i32 4, i32* %2
br label %28
25: ; preds = %1
store i32 8, i32* %2
br label %28
26: ; preds = %1
store i32 8, i32* %2
br label %28
27: ; preds = %1
store i32 0, i32* %2
br label %28
28: ; preds = %27, %26, %25, %24, %23, %22, %21, %20, %19, %18, %17, %16, %15, %14, %13, %12, %11, %10, %9, %8, %7, %6, %5
%29 = load i32, i32* %2
ret i32 %29
}

LLVM IR (-O2):
@switch.table.lsda_util_id2size = [22 x i32] [i32 1, i32 2, i32 4, i32 8, i32 1, i32 2, i32 4, i32 8, i32 4, i32 8, i32 1, i32 4, i32 2, i32 8, i32 4, i32 2, i32 8, i32 4, i32 8, i32 4, i32 4, i32 8]
define i32 @lsda_util_id2size(i32 %0) {
%2 = add i32 %0, -1
%3 = icmp ult i32 %2, 22
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = getelementptr inbounds [22 x i32], [22 x i32]* @switch.table.lsda_util_id2size, i64 0, i64 %5
%7 = load i32, i32* %6
br label %8
8: ; preds = %1, %4
%9 = phi i32 [ %7, %4 ], [ 0, %1 ]
ret i32 %9
}