#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 const *);
int key_in_array(char **arr, int len, const char *key) {
  for (int i = 0; i < len; ++i) {
    if (strcmp(arr[i], key) == 0)
      return 0;
  }
  return 1;
}


x86 assembly (clang, -O0):
<key_in_array>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x10(%rbp)
mov    %esi,-0x14(%rbp)
mov    %rdx,-0x20(%rbp)
movl   $0x0,-0x24(%rbp)
mov    -0x24(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    1174 <key_in_array+0x64>
mov    -0x10(%rbp),%rax
movslq -0x24(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
mov    -0x20(%rbp),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1161 <key_in_array+0x51>
movl   $0x0,-0x4(%rbp)
jmp    117b <key_in_array+0x6b>
jmp    1166 <key_in_array+0x56>
mov    -0x24(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x24(%rbp)
jmp    112a <key_in_array+0x1a>
movl   $0x1,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<key_in_array>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
test   %esi,%esi
jle    1167 <key_in_array+0x57>
mov    %rdx,%r14
mov    %esi,%ebp
mov    %rdi,%r15
mov    (%rdi),%rdi
mov    %rdx,%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     116e <key_in_array+0x5e>
mov    %ebp,%ebp
mov    $0x1,%ecx
nopw   0x0(%rax,%rax,1)
mov    %rcx,%rbx
cmp    %rcx,%rbp
je     115d <key_in_array+0x4d>
mov    (%r15,%rbx,8),%rdi
mov    %r14,%rsi
call   1030 <strcmp@plt>
lea    0x1(%rbx),%rcx
test   %rax,%rax
jne    1140 <key_in_array+0x30>
xor    %eax,%eax
cmp    %rbp,%rbx
setae  %al
jmp    1170 <key_in_array+0x60>
mov    $0x1,%eax
jmp    1170 <key_in_array+0x60>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define i32 @key_in_array(i8** %0, i32 %1, i8* %2) {
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i8*
%8 = alloca i32
store i8** %0, i8*** %5
store i32 %1, i32* %6
store i8* %2, i8** %7
store i32 0, i32* %8
br label %9
9: ; preds = %24, %3
%10 = load i32, i32* %8
%11 = load i32, i32* %6
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %27
13: ; preds = %9
%14 = load i8**, i8*** %5
%15 = load i32, i32* %8
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds i8*, i8** %14, i64 %16
%18 = load i8*, i8** %17
%19 = load i8*, i8** %7
%20 = call i64 @strcmp(i8* %18, i8* %19)
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %23
22: ; preds = %13
store i32 0, i32* %4
br label %28
23: ; preds = %13
br label %24
24: ; preds = %23
%25 = load i32, i32* %8
%26 = add nsw i32 %25, 1
store i32 %26, i32* %8
br label %9
27: ; preds = %9
store i32 1, i32* %4
br label %28
28: ; preds = %27, %22
%29 = load i32, i32* %4
ret i32 %29
}

LLVM IR (-O2):
define i32 @key_in_array(i8** nocapture %0, i32 %1, i8* %2) {
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %23
5: ; preds = %3
%6 = zext i32 %1 to i64
%7 = zext i32 %1 to i64
%8 = load i8*, i8** %0
%9 = tail call i64 @strcmp(i8* %8, i8* %2)
%10 = icmp eq i64 %9, 0
br i1 %10, label %23, label %11
11: ; preds = %5, %14
%12 = phi i64 [ %19, %14 ], [ 1, %5 ]
%13 = icmp eq i64 %12, %7
br i1 %13, label %20, label %14
14: ; preds = %11
%15 = getelementptr inbounds i8*, i8** %0, i64 %12
%16 = load i8*, i8** %15
%17 = tail call i64 @strcmp(i8* %16, i8* %2)
%18 = icmp eq i64 %17, 0
%19 = add nuw nsw i64 %12, 1
br i1 %18, label %20, label %11
20: ; preds = %11, %14
%21 = icmp uge i64 %12, %6
%22 = zext i1 %21 to i32
br label %23
23: ; preds = %20, %5, %3
%24 = phi i32 [ 1, %3 ], [ 0, %5 ], [ %22, %20 ]
ret i32 %24
}