#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 */
int /*<<< orphan*/ strcmp(char const *, char *);
int kv_break_before_key(char const *key) {
  if (!key || !*key)
    return 0;
  if (!strcmp(key, "model") || !strcmp(key, "mod") || !strcmp(key, "rssi") ||
      !strcmp(key, "codes"))
    return 1;
  return 0;
}


x86 assembly (clang, -O0):
<kv_break_before_key>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
cmpq   $0x0,-0x10(%rbp)
je     1134 <kv_break_before_key+0x24>
mov    -0x10(%rbp),%rax
cmpb   $0x0,(%rax)
jne    1140 <kv_break_before_key+0x30>
movl   $0x0,-0x4(%rbp)
jmp    11b7 <kv_break_before_key+0xa7>
mov    -0x10(%rbp),%rdi
lea    0xeb5(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11a4 <kv_break_before_key+0x94>
mov    -0x10(%rbp),%rdi
lea    0xea2(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11a4 <kv_break_before_key+0x94>
mov    -0x10(%rbp),%rdi
lea    0xe8d(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     11a4 <kv_break_before_key+0x94>
mov    -0x10(%rbp),%rdi
lea    0xe79(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
jne    11b0 <kv_break_before_key+0xa0>
movl   $0x1,-0x4(%rbp)
jmp    11b7 <kv_break_before_key+0xa7>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<kv_break_before_key>:
push   %rbp
push   %rbx
push   %rax
xor    %ebp,%ebp
test   %rdi,%rdi
je     1177 <kv_break_before_key+0x67>
mov    %rdi,%rbx
cmpb   $0x0,(%rdi)
je     1177 <kv_break_before_key+0x67>
lea    0xed7(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
mov    $0x1,%ebp
test   %eax,%eax
je     1177 <kv_break_before_key+0x67>
lea    0xec5(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     1177 <kv_break_before_key+0x67>
lea    0xeb6(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     1177 <kv_break_before_key+0x67>
lea    0xea8(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
xor    %ebp,%ebp
test   %eax,%eax
sete   %bpl
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [6 x i8] c"model\00"
@.str.1 = [4 x i8] c"mod\00"
@.str.2 = [5 x i8] c"rssi\00"
@.str.3 = [6 x i8] c"codes\00"
define i32 @kv_break_before_key(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = icmp ne i8* %4, null
br i1 %5, label %6, label %10
6: ; preds = %1
%7 = load i8*, i8** %3
%8 = load i8, i8* %7
%9 = icmp ne i8 %8, 0
br i1 %9, label %11, label %10
10: ; preds = %6, %1
store i32 0, i32* %2
br label %29
11: ; preds = %6
%12 = load i8*, i8** %3
%13 = call i32 @strcmp(i8* %12, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
%14 = icmp ne i32 %13, 0
br i1 %14, label %15, label %27
15: ; preds = %11
%16 = load i8*, i8** %3
%17 = call i32 @strcmp(i8* %16, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%18 = icmp ne i32 %17, 0
br i1 %18, label %19, label %27
19: ; preds = %15
%20 = load i8*, i8** %3
%21 = call i32 @strcmp(i8* %20, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%22 = icmp ne i32 %21, 0
br i1 %22, label %23, label %27
23: ; preds = %19
%24 = load i8*, i8** %3
%25 = call i32 @strcmp(i8* %24, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
%26 = icmp ne i32 %25, 0
br i1 %26, label %28, label %27
27: ; preds = %23, %19, %15, %11
store i32 1, i32* %2
br label %29
28: ; preds = %23
store i32 0, i32* %2
br label %29
29: ; preds = %28, %27, %10
%30 = load i32, i32* %2
ret i32 %30
}

LLVM IR (-O2):
@.str = [6 x i8] c"model\00"
@.str.1 = [4 x i8] c"mod\00"
@.str.2 = [5 x i8] c"rssi\00"
@.str.3 = [6 x i8] c"codes\00"
define i32 @kv_break_before_key(i8* %0) {
%2 = icmp eq i8* %0, null
br i1 %2, label %19, label %3
3: ; preds = %1
%4 = load i8, i8* %0
%5 = icmp eq i8 %4, 0
br i1 %5, label %19, label %6
6: ; preds = %3
%7 = tail call i32 @strcmp(i8* %0, i8* dereferenceable(6) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
%8 = icmp eq i32 %7, 0
br i1 %8, label %19, label %9
9: ; preds = %6
%10 = tail call i32 @strcmp(i8* %0, i8* dereferenceable(4) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%11 = icmp eq i32 %10, 0
br i1 %11, label %19, label %12
12: ; preds = %9
%13 = tail call i32 @strcmp(i8* %0, i8* dereferenceable(5) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%14 = icmp eq i32 %13, 0
br i1 %14, label %19, label %15
15: ; preds = %12
%16 = tail call i32 @strcmp(i8* %0, i8* dereferenceable(6) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
%17 = icmp eq i32 %16, 0
%18 = zext i1 %17 to i32
br label %19
19: ; preds = %15, %6, %9, %12, %1, %3
%20 = phi i32 [ 0, %3 ], [ 0, %1 ], [ 1, %12 ], [ 1, %9 ], [ 1, %6 ], [ %18, %15 ]
ret i32 %20
}