#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 Z_BUF_ERROR 136
#define Z_DATA_ERROR 135
#define Z_ERRNO 134
#define Z_MEM_ERROR 133
#define Z_NEED_DICT 132
#define Z_OK 131
#define Z_STREAM_END 130
#define Z_STREAM_ERROR 129
#define Z_VERSION_ERROR 128
const char *zmess(int zstatus) {
  switch (zstatus) {
  case Z_OK:
    return "ok";
  case Z_STREAM_END:
    return "end of stream";
  case Z_BUF_ERROR:
    return "buffer error";
  case Z_STREAM_ERROR:
    return "stream error";
  case Z_NEED_DICT:
    return "need dict";
  case Z_DATA_ERROR:
    return "data error";
  case Z_MEM_ERROR:
    return "memory error";
  case Z_VERSION_ERROR:
    return "version error";
  case Z_ERRNO:
    return "io error";
  default:
    break;
  }
  return "unknown error";
}


x86 assembly (clang, -O0):
<zmess>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffff80,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x8,%eax
ja     11c0 <zmess+0xc0>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xeed(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d0 <zmess+0xd0>
lea    0xee0(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d0 <zmess+0xd0>
lea    0xede(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d0 <zmess+0xd0>
lea    0xedb(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d0 <zmess+0xd0>
lea    0xed8(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d0 <zmess+0xd0>
lea    0xed2(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d0 <zmess+0xd0>
lea    0xecd(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d0 <zmess+0xd0>
lea    0xeca(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d0 <zmess+0xd0>
lea    0xec8(%rip),%rax
mov    %rax,-0x8(%rbp)
jmp    11d0 <zmess+0xd0>
jmp    11c5 <zmess+0xc5>
lea    0xebc(%rip),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<zmess>:
add    $0xffffff80,%edi
cmp    $0x8,%edi
ja     111a <zmess+0x1a>
movslq %edi,%rax
lea    0xf62(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
ret
lea    0xf43(%rip),%rax
ret

LLVM IR (-O0):
@.str = [3 x i8] c"ok\00"
@.str.1 = [14 x i8] c"end of stream\00"
@.str.2 = [13 x i8] c"buffer error\00"
@.str.3 = [13 x i8] c"stream error\00"
@.str.4 = [10 x i8] c"need dict\00"
@.str.5 = [11 x i8] c"data error\00"
@.str.6 = [13 x i8] c"memory error\00"
@.str.7 = [14 x i8] c"version error\00"
@.str.8 = [9 x i8] c"io error\00"
@.str.9 = [14 x i8] c"unknown error\00"
define i8* @zmess(i32 %0) {
%2 = alloca i8*
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %14 [
i32 131, label %5
i32 130, label %6
i32 136, label %7
i32 129, label %8
i32 132, label %9
i32 135, label %10
i32 133, label %11
i32 128, label %12
i32 134, label %13
]
5: ; preds = %1
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8** %2
br label %16
6: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i8** %2
br label %16
7: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i8** %2
br label %16
8: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 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 ([11 x i8], [11 x i8]* @.str.5, i64 0, i64 0), i8** %2
br label %16
11: ; preds = %1
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.6, i64 0, i64 0), i8** %2
br label %16
12: ; preds = %1
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.7, i64 0, i64 0), i8** %2
br label %16
13: ; preds = %1
store i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.8, i64 0, i64 0), i8** %2
br label %16
14: ; preds = %1
br label %15
15: ; preds = %14
store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.9, i64 0, i64 0), i8** %2
br label %16
16: ; preds = %15, %13, %12, %11, %10, %9, %8, %7, %6, %5
%17 = load i8*, i8** %2
ret i8* %17
}

LLVM IR (-O2):
@.str = [3 x i8] c"ok\00"
@.str.1 = [14 x i8] c"end of stream\00"
@.str.2 = [13 x i8] c"buffer error\00"
@.str.3 = [13 x i8] c"stream error\00"
@.str.4 = [10 x i8] c"need dict\00"
@.str.5 = [11 x i8] c"data error\00"
@.str.6 = [13 x i8] c"memory error\00"
@.str.7 = [14 x i8] c"version error\00"
@.str.8 = [9 x i8] c"io error\00"
@.str.9 = [14 x i8] c"unknown error\00"
@reltable.zmess = [9 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([14 x i8]* @.str.7 to i64), i64 ptrtoint ([9 x i32]* @reltable.zmess to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([13 x i8]* @.str.3 to i64), i64 ptrtoint ([9 x i32]* @reltable.zmess to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([14 x i8]* @.str.1 to i64), i64 ptrtoint ([9 x i32]* @reltable.zmess to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([3 x i8]* @.str to i64), i64 ptrtoint ([9 x i32]* @reltable.zmess to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([10 x i8]* @.str.4 to i64), i64 ptrtoint ([9 x i32]* @reltable.zmess to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([13 x i8]* @.str.6 to i64), i64 ptrtoint ([9 x i32]* @reltable.zmess to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([9 x i8]* @.str.8 to i64), i64 ptrtoint ([9 x i32]* @reltable.zmess to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([11 x i8]* @.str.5 to i64), i64 ptrtoint ([9 x i32]* @reltable.zmess to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([13 x i8]* @.str.2 to i64), i64 ptrtoint ([9 x i32]* @reltable.zmess to i64)) to i32)]
define i8* @zmess(i32 %0) {
%2 = add i32 %0, -128
%3 = icmp ult i32 %2, 9
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 ([9 x i32]* @reltable.zmess to i8*), i64 %6)
br label %8
8: ; preds = %1, %4
%9 = phi i8* [ %7, %4 ], [ getelementptr inbounds ([14 x i8], [14 x i8]* @.str.9, i64 0, i64 0), %1 ]
ret i8* %9
}