#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 */
struct dirent {
  int /*<<< orphan*/ d_name;
};

/* Variables and functions */
int /*<<< orphan*/ strcmp(int /*<<< orphan*/, char *);
int scan_filter(const struct dirent *entry) {
  if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, ".."))
    return 0;
  return 1;
}


x86 assembly (clang, -O0):
<scan_filter>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%edi
lea    0xed8(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
je     1152 <scan_filter+0x42>
mov    -0x10(%rbp),%rax
mov    (%rax),%edi
lea    0xebc(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
jne    115e <scan_filter+0x4e>
movl   $0x0,-0x4(%rbp)
jmp    1165 <scan_filter+0x55>
movl   $0x1,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<scan_filter>:
push   %rbx
mov    %rdi,%rbx
mov    (%rdi),%edi
lea    0xee4(%rip),%rsi
call   1030 <strcmp@plt>
test   %eax,%eax
je     113f <scan_filter+0x2f>
mov    (%rbx),%edi
lea    0xed1(%rip),%rsi
call   1030 <strcmp@plt>
mov    %eax,%ecx
xor    %eax,%eax
test   %ecx,%ecx
setne  %al
pop    %rbx
ret
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
%struct.dirent = type { i32 }
@.str = [2 x i8] c".\00"
@.str.1 = [3 x i8] c"..\00"
define i32 @scan_filter(%struct.dirent* %0) {
%2 = alloca i32
%3 = alloca %struct.dirent*
store %struct.dirent* %0, %struct.dirent** %3
%4 = load %struct.dirent*, %struct.dirent** %3
%5 = getelementptr inbounds %struct.dirent, %struct.dirent* %4, i32 0, i32 0
%6 = load i32, i32* %5
%7 = call i32 @strcmp(i32 %6, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%8 = icmp ne i32 %7, 0
br i1 %8, label %9, label %15
9: ; preds = %1
%10 = load %struct.dirent*, %struct.dirent** %3
%11 = getelementptr inbounds %struct.dirent, %struct.dirent* %10, i32 0, i32 0
%12 = load i32, i32* %11
%13 = call i32 @strcmp(i32 %12, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%14 = icmp ne i32 %13, 0
br i1 %14, label %16, label %15
15: ; preds = %9, %1
store i32 0, i32* %2
br label %17
16: ; preds = %9
store i32 1, i32* %2
br label %17
17: ; preds = %16, %15
%18 = load i32, i32* %2
ret i32 %18
}

LLVM IR (-O2):
%struct.dirent = type { i32 }
@.str = [2 x i8] c".\00"
@.str.1 = [3 x i8] c"..\00"
define i32 @scan_filter(%struct.dirent* nocapture %0) {
%2 = getelementptr inbounds %struct.dirent, %struct.dirent* %0, i64 0, i32 0
%3 = load i32, i32* %2
%4 = tail call i32 @strcmp(i32 %3, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%5 = icmp eq i32 %4, 0
br i1 %5, label %11, label %6
6: ; preds = %1
%7 = load i32, i32* %2
%8 = tail call i32 @strcmp(i32 %7, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%9 = icmp ne i32 %8, 0
%10 = zext i1 %9 to i32
br label %11
11: ; preds = %6, %1
%12 = phi i32 [ 0, %1 ], [ %10, %6 ]
ret i32 %12
}