#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 */
#define RTN_ANYCAST 137
#define RTN_BLACKHOLE 136
#define RTN_BROADCAST 135
#define RTN_LOCAL 134
#define RTN_MULTICAST 133
#define RTN_NAT 132
#define RTN_PROHIBIT 131
#define RTN_THROW 130
#define RTN_UNICAST 129
#define RTN_UNREACHABLE 128
char *rt_name_get(int rt_type) {
  switch (rt_type) {
  case RTN_UNICAST:
    return "UNICAST";
  case RTN_LOCAL:
    return "LOCAL";
  case RTN_BROADCAST:
    return "BROADCAST";
  case RTN_ANYCAST:
    return "ANYCAST";
  case RTN_MULTICAST:
    return "MULTICAST";
  case RTN_BLACKHOLE:
    return "BLACKHOLE";
  case RTN_UNREACHABLE:
    return "UNREACHABLE";
  case RTN_PROHIBIT:
    return "PROHIBIT";
  case RTN_THROW:
    return "THROW";
  case RTN_NAT:
    return "NAT";
  }
  return "UNSPEC";
}


x86 assembly (clang, -O0):
<rt_name_get>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffff80,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x9,%eax
ja     11d0 <rt_name_get+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    11db <rt_name_get+0xdb>
lea    0xee9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <rt_name_get+0xdb>
lea    0xedf(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <rt_name_get+0xdb>
lea    0xed9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <rt_name_get+0xdb>
lea    0xed1(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <rt_name_get+0xdb>
lea    0xecb(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <rt_name_get+0xdb>
lea    0xec5(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <rt_name_get+0xdb>
lea    0xec1(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <rt_name_get+0xdb>
lea    0xeba(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <rt_name_get+0xdb>
lea    0xeb0(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11db <rt_name_get+0xdb>
lea    0xea4(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<rt_name_get>:
add    $0xffffff80,%edi
cmp    $0x9,%edi
ja     111a <rt_name_get+0x1a>
movslq %edi,%rax
lea    0xf4a(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
lea    0xf32(%rip),%rax
ret

LLVM IR (-O0):
@.str = [8 x i8] c"UNICAST\00"
@.str.1 = [6 x i8] c"LOCAL\00"
@.str.2 = [10 x i8] c"BROADCAST\00"
@.str.3 = [8 x i8] c"ANYCAST\00"
@.str.4 = [10 x i8] c"MULTICAST\00"
@.str.5 = [10 x i8] c"BLACKHOLE\00"
@.str.6 = [12 x i8] c"UNREACHABLE\00"
@.str.7 = [9 x i8] c"PROHIBIT\00"
@.str.8 = [6 x i8] c"THROW\00"
@.str.9 = [4 x i8] c"NAT\00"
@.str.10 = [7 x i8] c"UNSPEC\00"
define i8* @rt_name_get(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %15 [
i32 129, label %5
i32 134, label %6
i32 135, label %7
i32 137, label %8
i32 133, label %9
i32 136, label %10
i32 128, label %11
i32 131, label %12
i32 130, label %13
i32 132, label %14
]
5: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8** %2
br label %16
6: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %16
7: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %16
8: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %16
9: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %16
10: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %16
11: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %16
12: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %16
13: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %16
14: ; preds = %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %16
15: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 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 = [8 x i8] c"UNICAST\00"
@.str.1 = [6 x i8] c"LOCAL\00"
@.str.2 = [10 x i8] c"BROADCAST\00"
@.str.3 = [8 x i8] c"ANYCAST\00"
@.str.4 = [10 x i8] c"MULTICAST\00"
@.str.5 = [10 x i8] c"BLACKHOLE\00"
@.str.6 = [12 x i8] c"UNREACHABLE\00"
@.str.7 = [9 x i8] c"PROHIBIT\00"
@.str.8 = [6 x i8] c"THROW\00"
@.str.9 = [4 x i8] c"NAT\00"
@.str.10 = [7 x i8] c"UNSPEC\00"
@reltable.rt_name_get = [10 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([12 x i8]* @.str.6 to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.8 to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @.str.7 to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([4 x i8]* @.str.9 to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.4 to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.1 to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.2 to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.5 to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.3 to i64), i64 ptrtoint ([10 x i32]* @reltable.rt_name_get to i64)) to i32)]
define i8* @rt_name_get(i32 %0) {
%2 = add i32 %0, -128
%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.rt_name_get to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ getelementptr inbounds ([7 x i8], [7 x i8]* @.str.10, i64 0, i64 0), %1 ]
ret i8* %9
}