const char *sigar_net_connection_type_get(int type) {
  switch (type) {
  case 0x10:
    return "tcp";
  case 0x20:
    return "udp";
  case 0x40:
    return "raw";
  case 0x80:
    return "unix";
  default:
    return "unknown";
  }
}


x86 assembly (clang, -O0):
<sigar_net_connection_type_get>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
sub    $0x10,%eax
je     1150 <sigar_net_connection_type_get+0x50>
jmp    111b <sigar_net_connection_type_get+0x1b>
mov    -0x10(%rbp),%eax
sub    $0x20,%eax
je     1160 <sigar_net_connection_type_get+0x60>
jmp    112c <sigar_net_connection_type_get+0x2c>
mov    -0x10(%rbp),%eax
sub    $0x40,%eax
je     1170 <sigar_net_connection_type_get+0x70>
jmp    113d <sigar_net_connection_type_get+0x3d>
mov    -0x10(%rbp),%eax
sub    $0x80,%eax
je     1180 <sigar_net_connection_type_get+0x80>
jmp    1190 <sigar_net_connection_type_get+0x90>
lea    0xea9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    119b <sigar_net_connection_type_get+0x9b>
lea    0xe9d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    119b <sigar_net_connection_type_get+0x9b>
lea    0xe91(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    119b <sigar_net_connection_type_get+0x9b>
lea    0xe85(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    119b <sigar_net_connection_type_get+0x9b>
lea    0xe7a(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<sigar_net_connection_type_get>:
add    $0xfffffff0,%edi
rol    $0x1c,%edi
cmp    $0x7,%edi
ja     111d <sigar_net_connection_type_get+0x1d>
movslq %edi,%rax
lea    0xf07(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
lea    0xeed(%rip),%rax
ret

LLVM IR (-O0):
@.str = [4 x i8] c"tcp\00"
@.str.1 = [4 x i8] c"udp\00"
@.str.2 = [4 x i8] c"raw\00"
@.str.3 = [5 x i8] c"unix\00"
@.str.4 = [8 x i8] c"unknown\00"
define i8* @sigar_net_connection_type_get(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %9 [
i32 16, label %5
i32 32, label %6
i32 64, label %7
i32 128, label %8
]
5: ; preds = %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8** %2
br label %10
6: ; preds = %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %10
7: ; preds = %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %10
8: ; preds = %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %10
9: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %10
10: ; preds = %9, %8, %7, %6, %5
%11 = load i8*, i8** %2
ret i8* %11
}

LLVM IR (-O2):
@.str = [4 x i8] c"tcp\00"
@.str.1 = [4 x i8] c"udp\00"
@.str.2 = [4 x i8] c"raw\00"
@.str.3 = [5 x i8] c"unix\00"
@.str.4 = [8 x i8] c"unknown\00"
@reltable.sigar_net_connection_type_get = [8 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str to i64), i64 ptrtoint ([8 x i32]* @reltable.sigar_net_connection_type_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str.1 to i64), i64 ptrtoint ([8 x i32]* @reltable.sigar_net_connection_type_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.4 to i64), i64 ptrtoint ([8 x i32]* @reltable.sigar_net_connection_type_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str.2 to i64), i64 ptrtoint ([8 x i32]* @reltable.sigar_net_connection_type_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.4 to i64), i64 ptrtoint ([8 x i32]* @reltable.sigar_net_connection_type_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.4 to i64), i64 ptrtoint ([8 x i32]* @reltable.sigar_net_connection_type_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.4 to i64), i64 ptrtoint ([8 x i32]* @reltable.sigar_net_connection_type_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([5 x i8]* @.str.3 to i64), i64 ptrtoint ([8 x i32]* @reltable.sigar_net_connection_type_get to i64)) to i32)]
define i8* @sigar_net_connection_type_get(i32 %0) {
%2 = add i32 %0, -16
%3 = tail call i32 @llvm.fshl.i32(i32 %2, i32 %2, i32 28)
%4 = icmp ult i32 %3, 8
br i1 %4, label %5, label %9
5: ; preds = %1
%6 = sext i32 %3 to i64
%7 = shl i64 %6, 2
%8 = call i8* @llvm.load.relative.i64(i8* bitcast ([8 x i32]* @reltable.sigar_net_connection_type_get to i8*), i64 %7)
br label %9
9: ; preds = %1, %5
%10 = phi i8* [ %8, %5 ], [ getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0), %1 ]
ret i8* %10
}