#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*/ printf(char *, ...);
int removeDuplicates(int *, int /*<<< orphan*/);
int main(void) {
  int arr[10] = {1, 1, 1, 2, 2, 2, 3, 3, 4, 5};
  int len = removeDuplicates(arr, 0);
  printf("len = %d\n", len);
  for (int i = 0; i < len; i++) {
    printf("%d ", arr[i]);
  }
  printf("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x30(%rbp),%rdi
lea    0xeb6(%rip),%rsi
mov    $0x28,%edx
call   1050 <memcpy@plt>
lea    -0x30(%rbp),%rdi
xor    %esi,%esi
call   1040 <removeDuplicates@plt>
mov    %eax,-0x34(%rbp)
mov    -0x34(%rbp),%esi
lea    0xebc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x38(%rbp)
mov    -0x38(%rbp),%eax
cmp    -0x34(%rbp),%eax
jge    11aa <main+0x7a>
movslq -0x38(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%esi
lea    0xe9d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x38(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x38(%rbp)
jmp    117a <main+0x4a>
lea    0xe7f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x30,%rsp
mov    0xee0(%rip),%rax
mov    %rax,0x20(%rsp)
movaps 0xec4(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xea8(%rip),%xmm0
movaps %xmm0,(%rsp)
mov    %rsp,%rdi
xor    %esi,%esi
call   1050 <removeDuplicates@plt>
mov    %eax,%ebx
lea    0xeb9(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1040 <printf@plt>
test   %ebx,%ebx
jle    11a6 <main+0x76>
mov    %ebx,%r15d
lea    0xeac(%rip),%r14
xor    %ebx,%ebx
nopl   0x0(%rax,%rax,1)
mov    (%rsp,%rbx,4),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r15
jne    1190 <main+0x60>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@__const.main.arr = [10 x i32] [i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 3, i32 3, i32 4, i32 5]
@.str = [10 x i8] c"len = %d\0A\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [10 x i32]
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = bitcast [10 x i32]* %2 to i8*
%6 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 0
%7 = call i32 @removeDuplicates(i32* %6, i32 0)
store i32 %7, i32* %3
%8 = load i32, i32* %3
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %8)
store i32 0, i32* %4
br label %10
10: ; preds = %20, %0
%11 = load i32, i32* %4
%12 = load i32, i32* %3
%13 = icmp slt i32 %11, %12
br i1 %13, label %14, label %23
14: ; preds = %10
%15 = load i32, i32* %4
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %16
%18 = load i32, i32* %17
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %14
%21 = load i32, i32* %4
%22 = add nsw i32 %21, 1
store i32 %22, i32* %4
br label %10
23: ; preds = %10
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@__const.main.arr = [10 x i32] [i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 3, i32 3, i32 4, i32 5]
@.str = [10 x i8] c"len = %d\0A\00"
@.str.1 = [4 x i8] c"%d \00"
define i32 @main() {
%1 = alloca [10 x i32]
%2 = bitcast [10 x i32]* %1 to i8*
%3 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 0
%4 = call i32 @removeDuplicates(i32* %3, i32 0)
%5 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %4)
%6 = icmp sgt i32 %4, 0
br i1 %6, label %7, label %9
7: ; preds = %0
%8 = zext i32 %4 to i64
br label %11
9: ; preds = %11, %0
%10 = call i32 @putchar(i32 10)
ret i32 0
11: ; preds = %7, %11
%12 = phi i64 [ 0, %7 ], [ %16, %11 ]
%13 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 %12
%14 = load i32, i32* %13
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %14)
%16 = add nuw nsw i64 %12, 1
%17 = icmp eq i64 %16, %8
br i1 %17, label %9, label %11
}