#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 *, char *);
int contains(char **list, char *element) {
  int i = 0;
  while (list[i] != NULL) {
    if (!strcmp(list[i], element)) {
      return 1;
    }
    i++;
  }
  return 0;
}


x86 assembly (clang, -O0):
<contains>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
mov    -0x10(%rbp),%rax
movslq -0x1c(%rbp),%rcx
cmpq   $0x0,(%rax,%rcx,8)
je     1172 <contains+0x62>
mov    -0x10(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
mov    -0x18(%rbp),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
jne    1164 <contains+0x54>
movl   $0x1,-0x4(%rbp)
jmp    1179 <contains+0x69>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    1127 <contains+0x17>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<contains>:
push   %rbp
push   %r14
push   %rbx
mov    %rdi,%rbp
mov    (%rdi),%rdi
xor    %r14d,%r14d
test   %rdi,%rdi
je     1151 <contains+0x41>
mov    %rsi,%rbx
add    $0x8,%rbp
nopl   0x0(%rax)
mov    %rbx,%rsi
call   1030 <strcmp@plt>
test   %eax,%eax
je     114b <contains+0x3b>
mov    0x0(%rbp),%rdi
add    $0x8,%rbp
test   %rdi,%rdi
jne    1130 <contains+0x20>
jmp    1151 <contains+0x41>
mov    $0x1,%r14d
mov    %r14d,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

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

LLVM IR (-O2):
define i32 @contains(i8** nocapture %0, i8* nocapture %1) {
%3 = load i8*, i8** %0
%4 = icmp eq i8* %3, null
br i1 %4, label %15, label %9
5: ; preds = %9
%6 = getelementptr inbounds i8*, i8** %0, i64 %14
%7 = load i8*, i8** %6
%8 = icmp eq i8* %7, null
br i1 %8, label %15, label %9
9: ; preds = %2, %5
%10 = phi i64 [ %14, %5 ], [ 0, %2 ]
%11 = phi i8* [ %7, %5 ], [ %3, %2 ]
%12 = tail call i32 @strcmp(i8* %11, i8* dereferenceable(1) %1)
%13 = icmp eq i32 %12, 0
%14 = add nuw i64 %10, 1
br i1 %13, label %15, label %5
15: ; preds = %9, %5, %2
%16 = phi i32 [ 0, %2 ], [ 0, %5 ], [ 1, %9 ]
ret i32 %16
}