#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 */
scalar_t__ strcmp(char *, char *);
int filter_lua_api(char *func_name) {
  static char *lua_api[] = {
      "assert",       "unpack", "__index", "__newindex", "setmetatable",
      "getmetatable", "rawget", "type",    "remove",     NULL};
  char **p = lua_api;
  while (*p != NULL) {
    if (strcmp(*p, func_name) == 0) {
      return 1;
    }
    p++;
  }
  return 0;
}


x86 assembly (clang, -O0):
<filter_lua_api>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
lea    0x2f0d(%rip),%rax
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rax
cmpq   $0x0,(%rax)
je     116c <filter_lua_api+0x5c>
mov    -0x18(%rbp),%rax
mov    (%rax),%rdi
mov    -0x10(%rbp),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    115b <filter_lua_api+0x4b>
movl   $0x1,-0x4(%rbp)
jmp    1173 <filter_lua_api+0x63>
mov    -0x18(%rbp),%rax
add    $0x8,%rax
mov    %rax,-0x18(%rbp)
jmp    1127 <filter_lua_api+0x17>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<filter_lua_api>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee3(%rip),%rdi
mov    %rbx,%rsi
call   1030 <strcmp@plt>
mov    $0x1,%ebp
test   %rax,%rax
je     11db <filter_lua_api+0xcb>
lea    0xecd(%rip),%rdi
mov    %rbx,%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11db <filter_lua_api+0xcb>
lea    0xebc(%rip),%rdi
mov    %rbx,%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11db <filter_lua_api+0xcb>
lea    0xeb0(%rip),%rdi
mov    %rbx,%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11db <filter_lua_api+0xcb>
lea    0xea7(%rip),%rdi
mov    %rbx,%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11db <filter_lua_api+0xcb>
lea    0xea0(%rip),%rdi
mov    %rbx,%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11db <filter_lua_api+0xcb>
lea    0xe99(%rip),%rdi
mov    %rbx,%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11db <filter_lua_api+0xcb>
lea    0xe8c(%rip),%rdi
mov    %rbx,%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11db <filter_lua_api+0xcb>
lea    0xe7d(%rip),%rdi
mov    %rbx,%rsi
call   1030 <strcmp@plt>
xor    %ebp,%ebp
test   %rax,%rax
sete   %bpl
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@filter_lua_api.lua_api = internal global [10 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i32 0, i32 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i32 0, i32 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.7, i32 0, i32 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.8, i32 0, i32 0), i8* null]
@.str = [7 x i8] c"assert\00"
@.str.1 = [7 x i8] c"unpack\00"
@.str.2 = [8 x i8] c"__index\00"
@.str.3 = [11 x i8] c"__newindex\00"
@.str.4 = [13 x i8] c"setmetatable\00"
@.str.5 = [13 x i8] c"getmetatable\00"
@.str.6 = [7 x i8] c"rawget\00"
@.str.7 = [5 x i8] c"type\00"
@.str.8 = [7 x i8] c"remove\00"
define i32 @filter_lua_api(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
%4 = alloca i8**
store i8* %0, i8** %3
store i8** getelementptr inbounds ([10 x i8*], [10 x i8*]* @filter_lua_api.lua_api, i64 0, i64 0), i8*** %4
br label %5
5: ; preds = %16, %1
%6 = load i8**, i8*** %4
%7 = load i8*, i8** %6
%8 = icmp ne i8* %7, null
br i1 %8, label %9, label %19
9: ; preds = %5
%10 = load i8**, i8*** %4
%11 = load i8*, i8** %10
%12 = load i8*, i8** %3
%13 = call i64 @strcmp(i8* %11, i8* %12)
%14 = icmp eq i64 %13, 0
br i1 %14, label %15, label %16
15: ; preds = %9
store i32 1, i32* %2
br label %20
16: ; preds = %9
%17 = load i8**, i8*** %4
%18 = getelementptr inbounds i8*, i8** %17, i32 1
store i8** %18, i8*** %4
br label %5
19: ; preds = %5
store i32 0, i32* %2
br label %20
20: ; preds = %19, %15
%21 = load i32, i32* %2
ret i32 %21
}

LLVM IR (-O2):
@.str = [7 x i8] c"assert\00"
@.str.1 = [7 x i8] c"unpack\00"
@.str.2 = [8 x i8] c"__index\00"
@.str.3 = [11 x i8] c"__newindex\00"
@.str.4 = [13 x i8] c"setmetatable\00"
@.str.5 = [13 x i8] c"getmetatable\00"
@.str.6 = [7 x i8] c"rawget\00"
@.str.7 = [5 x i8] c"type\00"
@.str.8 = [7 x i8] c"remove\00"
define i32 @filter_lua_api(i8* %0) {
%2 = tail call i64 @strcmp(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = icmp eq i64 %2, 0
br i1 %3, label %29, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%6 = icmp eq i64 %5, 0
br i1 %6, label %29, label %7
7: ; preds = %4
%8 = tail call i64 @strcmp(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0), i8* %0)
%9 = icmp eq i64 %8, 0
br i1 %9, label %29, label %10
10: ; preds = %7
%11 = tail call i64 @strcmp(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0), i8* %0)
%12 = icmp eq i64 %11, 0
br i1 %12, label %29, label %13
13: ; preds = %10
%14 = tail call i64 @strcmp(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i64 0, i64 0), i8* %0)
%15 = icmp eq i64 %14, 0
br i1 %15, label %29, label %16
16: ; preds = %13
%17 = tail call i64 @strcmp(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i64 0, i64 0), i8* %0)
%18 = icmp eq i64 %17, 0
br i1 %18, label %29, label %19
19: ; preds = %16
%20 = tail call i64 @strcmp(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0), i8* %0)
%21 = icmp eq i64 %20, 0
br i1 %21, label %29, label %22
22: ; preds = %19
%23 = tail call i64 @strcmp(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.7, i64 0, i64 0), i8* %0)
%24 = icmp eq i64 %23, 0
br i1 %24, label %29, label %25
25: ; preds = %22
%26 = tail call i64 @strcmp(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.8, i64 0, i64 0), i8* %0)
%27 = icmp eq i64 %26, 0
%28 = zext i1 %27 to i32
br label %29
29: ; preds = %25, %22, %19, %16, %13, %10, %7, %4, %1
%30 = phi i32 [ 1, %1 ], [ 1, %4 ], [ 1, %7 ], [ 1, %10 ], [ 1, %13 ], [ 1, %16 ], [ 1, %19 ], [ 1, %22 ], [ %28, %25 ]
ret i32 %30
}