#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 SIGABRT 156
#define SIGALRM 155
#define SIGBUS 154
#define SIGCHLD 153
#define SIGCONT 152
#define SIGFPE 151
#define SIGHUP 150
#define SIGILL 149
#define SIGINT 148
#define SIGKILL 147
#define SIGPIPE 146
#define SIGPOLL 145
#define SIGPROF 144
#define SIGQUIT 143
#define SIGSEGV 142
#define SIGSTOP 141
#define SIGSYS 140
#define SIGTERM 139
#define SIGTRAP 138
#define SIGTSTP 137
#define SIGTTIN 136
#define SIGTTOU 135
#define SIGURG 134
#define SIGUSR1 133
#define SIGUSR2 132
#define SIGVTALRM 131
#define SIGWINCH 130
#define SIGXCPU 129
#define SIGXFSZ 128
const char *killer(int signum) {
  switch (signum) {
  case SIGHUP:
    return "hung up";
  case SIGINT:
    return "interrupt";
  case SIGQUIT:
    return "quit (core dumped)";
  case SIGILL:
    return "illegal instruction";
  case SIGTRAP:
    return "trace trap (core dumped)";
  case SIGABRT:
    return "aborted (core dumped)";
  case SIGBUS:
    return "bus error (core dumped)";
  case SIGFPE:
    return "floating-point exception";
  case SIGKILL:
    return "killed";
  case SIGUSR1:
    return "user-defined signal 1";
  case SIGUSR2:
    return "user-defined signal 2";
  case SIGSEGV:
    return "segmentation fault (core dumped)";
  case SIGPIPE:
    return "broken pipe";
  case SIGALRM:
    return "alarm";
  case SIGTERM:
    return "terminated";
  case SIGCHLD:
    return "child died";
  case SIGCONT:
    return "continue";
  case SIGTSTP:
    return "suspended";
  case SIGSTOP:
    return "suspended (signal)";
  case SIGTTIN:
    return "suspended (tty input)";
  case SIGTTOU:
    return "suspended (tty output)";
  case SIGURG:
    return "urgent socket";
  case SIGXCPU:
    return "CPU time limit exceeded (core dumped)";
  case SIGXFSZ:
    return "file size limit exceeded (core dumped)";
  case SIGVTALRM:
    return "virtual timer expired";
  case SIGPROF:
    return "profile timer expired";
  case SIGWINCH:
    return "window resize";
  case SIGPOLL:
    return "pollable event";
  case SIGSYS:
    return "bad system call (core dumped)";
  default:
    return "unknown";
  }
}


x86 assembly (clang, -O0):
<killer>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffff80,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x1c,%eax
ja     1300 <killer+0x200>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf3d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf35(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf2f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf32(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf36(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf3f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf45(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf4d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf56(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf4d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf53(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf59(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf6a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf66(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf5c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf57(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf52(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf4b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf45(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf48(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf4e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf55(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf53(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf69(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf80(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf86(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf8c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf8a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf89(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    130b <killer+0x20b>
lea    0xf97(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<killer>:
add    $0xffffff80,%edi
cmp    $0x1c,%edi
ja     111a <killer+0x1a>
movslq %edi,%rax
lea    0x1122(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
lea    0x1109(%rip),%rax
ret

LLVM IR (-O0):
@.str = [8 x i8] c"hung up\00"
@.str.1 = [10 x i8] c"interrupt\00"
@.str.2 = [19 x i8] c"quit (core dumped)\00"
@.str.3 = [20 x i8] c"illegal instruction\00"
@.str.4 = [25 x i8] c"trace trap (core dumped)\00"
@.str.5 = [22 x i8] c"aborted (core dumped)\00"
@.str.6 = [24 x i8] c"bus error (core dumped)\00"
@.str.7 = [25 x i8] c"floating-point exception\00"
@.str.8 = [7 x i8] c"killed\00"
@.str.9 = [22 x i8] c"user-defined signal 1\00"
@.str.10 = [22 x i8] c"user-defined signal 2\00"
@.str.11 = [33 x i8] c"segmentation fault (core dumped)\00"
@.str.12 = [12 x i8] c"broken pipe\00"
@.str.13 = [6 x i8] c"alarm\00"
@.str.14 = [11 x i8] c"terminated\00"
@.str.15 = [11 x i8] c"child died\00"
@.str.16 = [9 x i8] c"continue\00"
@.str.17 = [10 x i8] c"suspended\00"
@.str.18 = [19 x i8] c"suspended (signal)\00"
@.str.19 = [22 x i8] c"suspended (tty input)\00"
@.str.20 = [23 x i8] c"suspended (tty output)\00"
@.str.21 = [14 x i8] c"urgent socket\00"
@.str.22 = [38 x i8] c"CPU time limit exceeded (core dumped)\00"
@.str.23 = [39 x i8] c"file size limit exceeded (core dumped)\00"
@.str.24 = [22 x i8] c"virtual timer expired\00"
@.str.25 = [22 x i8] c"profile timer expired\00"
@.str.26 = [14 x i8] c"window resize\00"
@.str.27 = [15 x i8] c"pollable event\00"
@.str.28 = [30 x i8] c"bad system call (core dumped)\00"
@.str.29 = [8 x i8] c"unknown\00"
define i8* @killer(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %34 [
i32 150, label %5
i32 148, label %6
i32 143, label %7
i32 149, label %8
i32 138, label %9
i32 156, label %10
i32 154, label %11
i32 151, label %12
i32 147, label %13
i32 133, label %14
i32 132, label %15
i32 142, label %16
i32 146, label %17
i32 155, label %18
i32 139, label %19
i32 153, label %20
i32 152, label %21
i32 137, label %22
i32 141, label %23
i32 136, label %24
i32 135, label %25
i32 134, label %26
i32 129, label %27
i32 128, label %28
i32 131, label %29
i32 144, label %30
i32 130, label %31
i32 145, label %32
i32 140, label %33
]
5: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8** %2
br label %35
6: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %35
7: ; preds = %1
store i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %35
8: ; preds = %1
store i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %35
9: ; preds = %1
store i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %35
10: ; preds = %1
store i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %35
11: ; preds = %1
store i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %35
12: ; preds = %1
store i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %35
13: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %35
14: ; preds = %1
store i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %35
15: ; preds = %1
store i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %35
16: ; preds = %1
store i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %35
17: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %35
18: ; preds = %1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %35
19: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %35
20: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.15, i64 0, i64 0), i8** %2
br label %35
21: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.16, i64 0, i64 0), i8** %2
br label %35
22: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.17, i64 0, i64 0), i8** %2
br label %35
23: ; preds = %1
store i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.18, i64 0, i64 0), i8** %2
br label %35
24: ; preds = %1
store i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.19, i64 0, i64 0), i8** %2
br label %35
25: ; preds = %1
store i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.20, i64 0, i64 0), i8** %2
br label %35
26: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.21, i64 0, i64 0), i8** %2
br label %35
27: ; preds = %1
store i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.22, i64 0, i64 0), i8** %2
br label %35
28: ; preds = %1
store i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.23, i64 0, i64 0), i8** %2
br label %35
29: ; preds = %1
store i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.24, i64 0, i64 0), i8** %2
br label %35
30: ; preds = %1
store i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.25, i64 0, i64 0), i8** %2
br label %35
31: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.26, i64 0, i64 0), i8** %2
br label %35
32: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.27, i64 0, i64 0), i8** %2
br label %35
33: ; preds = %1
store i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.28, i64 0, i64 0), i8** %2
br label %35
34: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.29, i64 0, i64 0), i8** %2
br label %35
35: ; preds = %34, %33, %32, %31, %30, %29, %28, %27, %26, %25, %24, %23, %22, %21, %20, %19, %18, %17, %16, %15, %14, %13, %12, %11, %10, %9, %8, %7, %6, %5
%36 = load i8*, i8** %2
ret i8* %36
}

LLVM IR (-O2):
@.str = [8 x i8] c"hung up\00"
@.str.1 = [10 x i8] c"interrupt\00"
@.str.2 = [19 x i8] c"quit (core dumped)\00"
@.str.3 = [20 x i8] c"illegal instruction\00"
@.str.4 = [25 x i8] c"trace trap (core dumped)\00"
@.str.5 = [22 x i8] c"aborted (core dumped)\00"
@.str.6 = [24 x i8] c"bus error (core dumped)\00"
@.str.7 = [25 x i8] c"floating-point exception\00"
@.str.8 = [7 x i8] c"killed\00"
@.str.9 = [22 x i8] c"user-defined signal 1\00"
@.str.10 = [22 x i8] c"user-defined signal 2\00"
@.str.11 = [33 x i8] c"segmentation fault (core dumped)\00"
@.str.12 = [12 x i8] c"broken pipe\00"
@.str.13 = [6 x i8] c"alarm\00"
@.str.14 = [11 x i8] c"terminated\00"
@.str.15 = [11 x i8] c"child died\00"
@.str.16 = [9 x i8] c"continue\00"
@.str.17 = [10 x i8] c"suspended\00"
@.str.18 = [19 x i8] c"suspended (signal)\00"
@.str.19 = [22 x i8] c"suspended (tty input)\00"
@.str.20 = [23 x i8] c"suspended (tty output)\00"
@.str.21 = [14 x i8] c"urgent socket\00"
@.str.22 = [38 x i8] c"CPU time limit exceeded (core dumped)\00"
@.str.23 = [39 x i8] c"file size limit exceeded (core dumped)\00"
@.str.24 = [22 x i8] c"virtual timer expired\00"
@.str.25 = [22 x i8] c"profile timer expired\00"
@.str.26 = [14 x i8] c"window resize\00"
@.str.27 = [15 x i8] c"pollable event\00"
@.str.28 = [30 x i8] c"bad system call (core dumped)\00"
@.str.29 = [8 x i8] c"unknown\00"
@reltable.killer = [29 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([39 x i8]* @.str.23 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([38 x i8]* @.str.22 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([14 x i8]* @.str.26 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([22 x i8]* @.str.24 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([22 x i8]* @.str.10 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([22 x i8]* @.str.9 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([14 x i8]* @.str.21 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([23 x i8]* @.str.20 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([22 x i8]* @.str.19 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.17 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([25 x i8]* @.str.4 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([11 x i8]* @.str.14 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([30 x i8]* @.str.28 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([19 x i8]* @.str.18 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([33 x i8]* @.str.11 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([19 x i8]* @.str.2 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([22 x i8]* @.str.25 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([15 x i8]* @.str.27 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([12 x i8]* @.str.12 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.8 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.1 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([20 x i8]* @.str.3 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([25 x i8]* @.str.7 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @.str.16 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([11 x i8]* @.str.15 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([24 x i8]* @.str.6 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([6 x i8]* @.str.13 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([22 x i8]* @.str.5 to i64), i64 ptrtoint ([29 x i32]* @reltable.killer to i64)) to i32)]
define i8* @killer(i32 %0) {
%2 = add i32 %0, -128
%3 = icmp ult i32 %2, 29
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 ([29 x i32]* @reltable.killer to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ getelementptr inbounds ([8 x i8], [8 x i8]* @.str.29, i64 0, i64 0), %1 ]
ret i8* %9
}