#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 153
#define SIGALRM 152
#define SIGBUS 151
#define SIGCHLD 150
#define SIGCONT 149
#define SIGFPE 148
#define SIGHUP 147
#define SIGILL 146
#define SIGINT 145
#define SIGKILL 144
#define SIGPIPE 143
#define SIGPROF 142
#define SIGQUIT 141
#define SIGSEGV 140
#define SIGSTOP 139
#define SIGSYS 138
#define SIGTERM 137
#define SIGTRAP 136
#define SIGTSTP 135
#define SIGTTIN 134
#define SIGTTOU 133
#define SIGUSR1 132
#define SIGUSR2 131
#define SIGVTALRM 130
#define SIGXCPU 129
#define SIGXFSZ 128
const char *signalName(unsigned int const signalClass) {
  switch (signalClass) {
  case SIGHUP:
    return "SIGHUP";
  case SIGINT:
    return "SIGINT";
  case SIGQUIT:
    return "SIGQUIT";
  case SIGILL:
    return "SIGILL";
  case SIGTRAP:
    return "SIGTRAP";
  case SIGABRT:
    return "SIGABRT";
  case SIGBUS:
    return "SIGBUS";
  case SIGFPE:
    return "SIGFPE";
  case SIGKILL:
    return "SIGKILL";
  case SIGUSR1:
    return "SIGUSR1";
  case SIGSEGV:
    return "SIGSEGV";
  case SIGUSR2:
    return "SIGUSR2";
  case SIGPIPE:
    return "SIGPIPE";
  case SIGALRM:
    return "SIGALRM";
  case SIGTERM:
    return "SIGTERM";
  case SIGCHLD:
    return "SIGCHLD";
  case SIGCONT:
    return "SIGCONT";
  case SIGSTOP:
    return "SIGSTOP";
  case SIGTSTP:
    return "SIGTSTP";
  case SIGTTIN:
    return "SIGTTIN";
  case SIGTTOU:
    return "SIGTTOU";
  case SIGXCPU:
    return "SIGXCPU";
  case SIGXFSZ:
    return "SIGXFSZ";
  case SIGVTALRM:
    return "SIGVTALRM";
  case SIGPROF:
    return "SIGPROF";
  case SIGSYS:
    return "SIGSYS";
  default:
    return "???";
  }
}


x86 assembly (clang, -O0):
<signalName>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffff80,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x19,%eax
ja     12d0 <signalName+0x1d0>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xf31(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xf28(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xf1f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xf17(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xf0e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xf06(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xefe(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xef5(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xeec(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xee4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xedc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xed4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xecc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xec4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xebc(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xeb4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xeac(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xea4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xe9c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xe94(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xe8c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xe84(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xe7c(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xe74(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xe6e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xe66(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12db <signalName+0x1db>
lea    0xe5d(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<signalName>:
add    $0xffffff80,%edi
cmp    $0x19,%edi
ja     111a <signalName+0x1a>
movslq %edi,%rax
lea    0xfbe(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
lea    0xfab(%rip),%rax
ret

LLVM IR (-O0):
@.str = [7 x i8] c"SIGHUP\00"
@.str.1 = [7 x i8] c"SIGINT\00"
@.str.2 = [8 x i8] c"SIGQUIT\00"
@.str.3 = [7 x i8] c"SIGILL\00"
@.str.4 = [8 x i8] c"SIGTRAP\00"
@.str.5 = [8 x i8] c"SIGABRT\00"
@.str.6 = [7 x i8] c"SIGBUS\00"
@.str.7 = [7 x i8] c"SIGFPE\00"
@.str.8 = [8 x i8] c"SIGKILL\00"
@.str.9 = [8 x i8] c"SIGUSR1\00"
@.str.10 = [8 x i8] c"SIGSEGV\00"
@.str.11 = [8 x i8] c"SIGUSR2\00"
@.str.12 = [8 x i8] c"SIGPIPE\00"
@.str.13 = [8 x i8] c"SIGALRM\00"
@.str.14 = [8 x i8] c"SIGTERM\00"
@.str.15 = [8 x i8] c"SIGCHLD\00"
@.str.16 = [8 x i8] c"SIGCONT\00"
@.str.17 = [8 x i8] c"SIGSTOP\00"
@.str.18 = [8 x i8] c"SIGTSTP\00"
@.str.19 = [8 x i8] c"SIGTTIN\00"
@.str.20 = [8 x i8] c"SIGTTOU\00"
@.str.21 = [8 x i8] c"SIGXCPU\00"
@.str.22 = [8 x i8] c"SIGXFSZ\00"
@.str.23 = [10 x i8] c"SIGVTALRM\00"
@.str.24 = [8 x i8] c"SIGPROF\00"
@.str.25 = [7 x i8] c"SIGSYS\00"
@.str.26 = [4 x i8] c"???\00"
define i8* @signalName(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %31 [
i32 147, label %5
i32 145, label %6
i32 141, label %7
i32 146, label %8
i32 136, label %9
i32 153, label %10
i32 151, label %11
i32 148, label %12
i32 144, label %13
i32 132, label %14
i32 140, label %15
i32 131, label %16
i32 143, label %17
i32 152, label %18
i32 137, label %19
i32 150, label %20
i32 149, label %21
i32 139, label %22
i32 135, label %23
i32 134, label %24
i32 133, label %25
i32 129, label %26
i32 128, label %27
i32 130, label %28
i32 142, label %29
i32 138, label %30
]
5: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i8** %2
br label %32
6: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %32
7: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %32
8: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %32
9: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %32
10: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %32
11: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %32
12: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %32
13: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %32
14: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %32
15: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %32
16: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %32
17: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %32
18: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %32
19: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %32
20: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.15, i64 0, i64 0), i8** %2
br label %32
21: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.16, i64 0, i64 0), i8** %2
br label %32
22: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.17, i64 0, i64 0), i8** %2
br label %32
23: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.18, i64 0, i64 0), i8** %2
br label %32
24: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.19, i64 0, i64 0), i8** %2
br label %32
25: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.20, i64 0, i64 0), i8** %2
br label %32
26: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.21, i64 0, i64 0), i8** %2
br label %32
27: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.22, i64 0, i64 0), i8** %2
br label %32
28: ; preds = %1
store i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.23, i64 0, i64 0), i8** %2
br label %32
29: ; preds = %1
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.24, i64 0, i64 0), i8** %2
br label %32
30: ; preds = %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.25, i64 0, i64 0), i8** %2
br label %32
31: ; preds = %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.26, i64 0, i64 0), i8** %2
br label %32
32: ; preds = %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
%33 = load i8*, i8** %2
ret i8* %33
}

LLVM IR (-O2):
@.str = [7 x i8] c"SIGHUP\00"
@.str.1 = [7 x i8] c"SIGINT\00"
@.str.2 = [8 x i8] c"SIGQUIT\00"
@.str.3 = [7 x i8] c"SIGILL\00"
@.str.4 = [8 x i8] c"SIGTRAP\00"
@.str.5 = [8 x i8] c"SIGABRT\00"
@.str.6 = [7 x i8] c"SIGBUS\00"
@.str.7 = [7 x i8] c"SIGFPE\00"
@.str.8 = [8 x i8] c"SIGKILL\00"
@.str.9 = [8 x i8] c"SIGUSR1\00"
@.str.10 = [8 x i8] c"SIGSEGV\00"
@.str.11 = [8 x i8] c"SIGUSR2\00"
@.str.12 = [8 x i8] c"SIGPIPE\00"
@.str.13 = [8 x i8] c"SIGALRM\00"
@.str.14 = [8 x i8] c"SIGTERM\00"
@.str.15 = [8 x i8] c"SIGCHLD\00"
@.str.16 = [8 x i8] c"SIGCONT\00"
@.str.17 = [8 x i8] c"SIGSTOP\00"
@.str.18 = [8 x i8] c"SIGTSTP\00"
@.str.19 = [8 x i8] c"SIGTTIN\00"
@.str.20 = [8 x i8] c"SIGTTOU\00"
@.str.21 = [8 x i8] c"SIGXCPU\00"
@.str.22 = [8 x i8] c"SIGXFSZ\00"
@.str.23 = [10 x i8] c"SIGVTALRM\00"
@.str.24 = [8 x i8] c"SIGPROF\00"
@.str.25 = [7 x i8] c"SIGSYS\00"
@.str.26 = [4 x i8] c"???\00"
@reltable.signalName = [26 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.22 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.21 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.23 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.11 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.9 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.20 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.19 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.18 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.4 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.14 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.25 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.17 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.10 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.2 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.24 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.12 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.8 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.1 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.3 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.7 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.16 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.15 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([7 x i8]* @.str.6 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.13 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.5 to i64), i64 ptrtoint ([26 x i32]* @reltable.signalName to i64)) to i32)]
define i8* @signalName(i32 %0) {
%2 = add i32 %0, -128
%3 = icmp ult i32 %2, 26
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 ([26 x i32]* @reltable.signalName 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.26, i64 0, i64 0), %1 ]
ret i8* %9
}