#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 */
char *ms_errorstr(int errorcode) {
  switch (errorcode) {
  case 1:
    return "End of file reached";
  case 0:
    return "No error";
  case -1:
    return "Generic error";
  case -2:
    return "No SEED data detected";
  case -3:
    return "Length of data read does not match record length";
  case -4:
    return "SEED record length out of range";
  case -5:
    return "Unknown data encoding format";
  case -6:
    return "Bad Steim compression flag(s) detected";
  }
  return NULL;
}


x86 assembly (clang, -O0):
<ms_errorstr>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0x6,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x7,%eax
ja     11b0 <ms_errorstr+0xb0>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xee9(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11b8 <ms_errorstr+0xb8>
lea    0xeed(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11b8 <ms_errorstr+0xb8>
lea    0xee6(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11b8 <ms_errorstr+0xb8>
lea    0xee4(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11b8 <ms_errorstr+0xb8>
lea    0xeea(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11b8 <ms_errorstr+0xb8>
lea    0xf0b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11b8 <ms_errorstr+0xb8>
lea    0xf1b(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11b8 <ms_errorstr+0xb8>
lea    0xf28(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11b8 <ms_errorstr+0xb8>
movq   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<ms_errorstr>:
add    $0x6,%edi
cmp    $0x7,%edi
ja     111a <ms_errorstr+0x1a>
movslq %edi,%rax
lea    0xfc6(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
xor    %eax,%eax
ret

LLVM IR (-O0):
@.str = [20 x i8] c"End of file reached\00"
@.str.1 = [9 x i8] c"No error\00"
@.str.2 = [14 x i8] c"Generic error\00"
@.str.3 = [22 x i8] c"No SEED data detected\00"
@.str.4 = [49 x i8] c"Length of data read does not match record length\00"
@.str.5 = [32 x i8] c"SEED record length out of range\00"
@.str.6 = [29 x i8] c"Unknown data encoding format\00"
@.str.7 = [39 x i8] c"Bad Steim compression flag(s) detected\00"
define i8* @ms_errorstr(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %13 [
i32 1, label %5
i32 0, label %6
i32 -1, label %7
i32 -2, label %8
i32 -3, label %9
i32 -4, label %10
i32 -5, label %11
i32 -6, label %12
]
5: ; preds = %1
store i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i8** %2
br label %14
6: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %14
7: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %14
8: ; preds = %1
store i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0), i8** %2
br label %14
9: ; preds = %1
store i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.4, i64 0, i64 0), i8** %2
br label %14
10: ; preds = %1
store i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %14
11: ; preds = %1
store i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %14
12: ; preds = %1
store i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %14
13: ; preds = %1
store i8* null, i8** %2
br label %14
14: ; preds = %13, %12, %11, %10, %9, %8, %7, %6, %5
%15 = load i8*, i8** %2
ret i8* %15
}

LLVM IR (-O2):
@.str = [20 x i8] c"End of file reached\00"
@.str.1 = [9 x i8] c"No error\00"
@.str.2 = [14 x i8] c"Generic error\00"
@.str.3 = [22 x i8] c"No SEED data detected\00"
@.str.4 = [49 x i8] c"Length of data read does not match record length\00"
@.str.5 = [32 x i8] c"SEED record length out of range\00"
@.str.6 = [29 x i8] c"Unknown data encoding format\00"
@.str.7 = [39 x i8] c"Bad Steim compression flag(s) detected\00"
@reltable.ms_errorstr = [8 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([39 x i8]* @.str.7 to i64), i64 ptrtoint ([8 x i32]* @reltable.ms_errorstr to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([29 x i8]* @.str.6 to i64), i64 ptrtoint ([8 x i32]* @reltable.ms_errorstr to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([32 x i8]* @.str.5 to i64), i64 ptrtoint ([8 x i32]* @reltable.ms_errorstr to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([49 x i8]* @.str.4 to i64), i64 ptrtoint ([8 x i32]* @reltable.ms_errorstr to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([22 x i8]* @.str.3 to i64), i64 ptrtoint ([8 x i32]* @reltable.ms_errorstr to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([14 x i8]* @.str.2 to i64), i64 ptrtoint ([8 x i32]* @reltable.ms_errorstr to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @.str.1 to i64), i64 ptrtoint ([8 x i32]* @reltable.ms_errorstr to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([20 x i8]* @.str to i64), i64 ptrtoint ([8 x i32]* @reltable.ms_errorstr to i64)) to i32)]
define i8* @ms_errorstr(i32 %0) {
%2 = add i32 %0, 6
%3 = icmp ult i32 %2, 8
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 ([8 x i32]* @reltable.ms_errorstr to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ null, %1 ]
ret i8* %9
}