char *audio_error_name_1(int err) {
  switch (err) {
  case 0:
    return ("");
    break;
  case 1:
    return ("channel(s) not available");
    break;
  case 2:
    return ("srate not available");
    break;
  case 3:
    return ("format not available");
    break;
  case 4:
    return ("no input available");
    break;
  case 5:
    return ("no output available");
    break;
  case 6:
    return ("input busy");
    break;
  case 7:
    return ("output busy");
    break;
  case 8:
    return ("configuration not available");
    break;
  case 9:
    return ("input closed");
    break;
  case 10:
    return ("output closed");
    break;
  case 11:
    return ("io interrupted");
    break;
  case 12:
    return ("no lines available");
    break;
  case 13:
    return ("write error");
    break;
  case 14:
    return ("size not available");
    break;
  case 15:
    return ("device not available");
    break;
  case 16:
    return ("close failed");
    break;
  case 17:
    return ("open failed");
    break;
  case 18:
    return ("read error");
    break;
  case 19:
    return ("amp control not available");
    break;
  case 20:
    return ("unimplemented operation");
    break;
  case 21:
    return ("write failed");
    break;
  case 22:
    return ("read failed");
    break;
  case 23:
    return ("need read permission on /dev/dsp");
    break;
  default:
    return ("unknown error");
    break;
  }
}


x86 assembly (clang, -O0):
<audio_error_name_1>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    %rax,-0x18(%rbp)
sub    $0x17,%rax
ja     12ac <audio_error_name_1+0x1ac>
mov    -0x18(%rbp),%rax
lea    0xedd(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0x10a8(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf1d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf26(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf2a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf2f(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf32(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf36(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf31(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf2d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf39(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf36(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf34(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf33(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf36(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf32(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf35(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf3a(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf37(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf33(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf2e(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf38(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf40(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf3d(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf39(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    12b7 <audio_error_name_1+0x1b7>
lea    0xf4a(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<audio_error_name_1>:
cmp    $0x17,%edi
ja     1117 <audio_error_name_1+0x17>
movslq %edi,%rax
lea    0x109d(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
lea    0x107f(%rip),%rax
ret

LLVM IR (-O0):
@.str = [1 x i8] zeroinitializer
@.str.1 = [25 x i8] c"channel(s) not available\00"
@.str.2 = [20 x i8] c"srate not available\00"
@.str.3 = [21 x i8] c"format not available\00"
@.str.4 = [19 x i8] c"no input available\00"
@.str.5 = [20 x i8] c"no output available\00"
@.str.6 = [11 x i8] c"input busy\00"
@.str.7 = [12 x i8] c"output busy\00"
@.str.8 = [28 x i8] c"configuration not available\00"
@.str.9 = [13 x i8] c"input closed\00"
@.str.10 = [14 x i8] c"output closed\00"
@.str.11 = [15 x i8] c"io interrupted\00"
@.str.12 = [19 x i8] c"no lines available\00"
@.str.13 = [12 x i8] c"write error\00"
@.str.14 = [19 x i8] c"size not available\00"
@.str.15 = [21 x i8] c"device not available\00"
@.str.16 = [13 x i8] c"close failed\00"
@.str.17 = [12 x i8] c"open failed\00"
@.str.18 = [11 x i8] c"read error\00"
@.str.19 = [26 x i8] c"amp control not available\00"
@.str.20 = [24 x i8] c"unimplemented operation\00"
@.str.21 = [13 x i8] c"write failed\00"
@.str.22 = [12 x i8] c"read failed\00"
@.str.23 = [33 x i8] c"need read permission on /dev/dsp\00"
@.str.24 = [14 x i8] c"unknown error\00"
define i8* @audio_error_name_1(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %29 [
i32 0, label %5
i32 1, label %6
i32 2, label %7
i32 3, label %8
i32 4, label %9
i32 5, label %10
i32 6, label %11
i32 7, label %12
i32 8, label %13
i32 9, label %14
i32 10, label %15
i32 11, label %16
i32 12, label %17
i32 13, label %18
i32 14, label %19
i32 15, label %20
i32 16, label %21
i32 17, label %22
i32 18, label %23
i32 19, label %24
i32 20, label %25
i32 21, label %26
i32 22, label %27
i32 23, label %28
]
5: ; preds = %1
store i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), i8** %2
br label %30
6: ; preds = %1
store i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %30
7: ; preds = %1
store i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %30
8: ; preds = %1
store i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %30
9: ; preds = %1
store i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %30
10: ; preds = %1
store i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %30
11: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %30
12: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %30
13: ; preds = %1
store i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %30
14: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %30
15: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.10, i64 0, i64 0), i8** %2
br label %30
16: ; preds = %1
store i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.11, i64 0, i64 0), i8** %2
br label %30
17: ; preds = %1
store i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.12, i64 0, i64 0), i8** %2
br label %30
18: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.13, i64 0, i64 0), i8** %2
br label %30
19: ; preds = %1
store i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.14, i64 0, i64 0), i8** %2
br label %30
20: ; preds = %1
store i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.15, i64 0, i64 0), i8** %2
br label %30
21: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.16, i64 0, i64 0), i8** %2
br label %30
22: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.17, i64 0, i64 0), i8** %2
br label %30
23: ; preds = %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.18, i64 0, i64 0), i8** %2
br label %30
24: ; preds = %1
store i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.19, i64 0, i64 0), i8** %2
br label %30
25: ; preds = %1
store i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.20, i64 0, i64 0), i8** %2
br label %30
26: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.21, i64 0, i64 0), i8** %2
br label %30
27: ; preds = %1
store i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.22, i64 0, i64 0), i8** %2
br label %30
28: ; preds = %1
store i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.23, i64 0, i64 0), i8** %2
br label %30
29: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.24, i64 0, i64 0), i8** %2
br label %30
30: ; preds = %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
%31 = load i8*, i8** %2
ret i8* %31
}

LLVM IR (-O2):
@.str = [1 x i8] zeroinitializer
@.str.1 = [25 x i8] c"channel(s) not available\00"
@.str.2 = [20 x i8] c"srate not available\00"
@.str.3 = [21 x i8] c"format not available\00"
@.str.4 = [19 x i8] c"no input available\00"
@.str.5 = [20 x i8] c"no output available\00"
@.str.6 = [11 x i8] c"input busy\00"
@.str.7 = [12 x i8] c"output busy\00"
@.str.8 = [28 x i8] c"configuration not available\00"
@.str.9 = [13 x i8] c"input closed\00"
@.str.10 = [14 x i8] c"output closed\00"
@.str.11 = [15 x i8] c"io interrupted\00"
@.str.12 = [19 x i8] c"no lines available\00"
@.str.13 = [12 x i8] c"write error\00"
@.str.14 = [19 x i8] c"size not available\00"
@.str.15 = [21 x i8] c"device not available\00"
@.str.16 = [13 x i8] c"close failed\00"
@.str.17 = [12 x i8] c"open failed\00"
@.str.18 = [11 x i8] c"read error\00"
@.str.19 = [26 x i8] c"amp control not available\00"
@.str.20 = [24 x i8] c"unimplemented operation\00"
@.str.21 = [13 x i8] c"write failed\00"
@.str.22 = [12 x i8] c"read failed\00"
@.str.23 = [33 x i8] c"need read permission on /dev/dsp\00"
@.str.24 = [14 x i8] c"unknown error\00"
@reltable.audio_error_name_1 = [24 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([1 x i8]* @.str to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([25 x i8]* @.str.1 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([20 x i8]* @.str.2 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([21 x i8]* @.str.3 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([19 x i8]* @.str.4 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([20 x i8]* @.str.5 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([11 x i8]* @.str.6 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([12 x i8]* @.str.7 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([28 x i8]* @.str.8 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([13 x i8]* @.str.9 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([14 x i8]* @.str.10 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([15 x i8]* @.str.11 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([19 x i8]* @.str.12 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([12 x i8]* @.str.13 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([19 x i8]* @.str.14 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([21 x i8]* @.str.15 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([13 x i8]* @.str.16 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([12 x i8]* @.str.17 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([11 x i8]* @.str.18 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([26 x i8]* @.str.19 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([24 x i8]* @.str.20 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([13 x i8]* @.str.21 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([12 x i8]* @.str.22 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([33 x i8]* @.str.23 to i64), i64 ptrtoint ([24 x i32]* @reltable.audio_error_name_1 to i64)) to i32)]
define i8* @audio_error_name_1(i32 %0) {
%2 = icmp ult i32 %0, 24
br i1 %2, label %3, label %7
3: ; preds = %1
%4 = sext i32 %0 to i64
%5 = shl i64 %4, 2
%6 = call i8* @llvm.load.relative.i64(i8* bitcast ([24 x i32]* @reltable.audio_error_name_1 to i8*), i64 %5)
br label %7
7: ; preds = %1, %3
%8 = phi i8* [ %6, %3 ], [ getelementptr inbounds ([14 x i8], [14 x i8]* @.str.24, i64 0, i64 0), %1 ]
ret i8* %8
}