#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 /*<<< orphan*/ quickSortDualPivot(int *, int /*<<< orphan*/, int);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int n, i;
  printf("Enter the size -\n");
  scanf("%d", &n);
  printf("Enter %d elements -\n", n);
  int arr[n];
  for (i = 0; i < n; ++i) {
    scanf("%d", &arr[i]);
  }
  quickSortDualPivot(arr, 0, n - 1);
  printf("The Sorted Array -\n");
  for (i = 0; i < n; ++i) {
    printf("%d ", arr[i]);
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
xor    %eax,%eax
mov    %al,-0x29(%rbp)
call   1030 <printf@plt>
lea    0xebb(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x29(%rbp),%al
mov    -0x8(%rbp),%esi
lea    0xea8(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
mov    %rsp,%rcx
mov    %rcx,-0x18(%rbp)
lea    0xf(,%rax,4),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rcx
sub    %rdx,%rcx
mov    %rcx,-0x28(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x20(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11d5 <main+0xa5>
mov    -0x28(%rbp),%rsi
movslq -0xc(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe50(%rip),%rdi
call   1050 <scanf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    11a0 <main+0x70>
mov    -0x28(%rbp),%rdi
mov    -0x8(%rbp),%edx
sub    $0x1,%edx
xor    %esi,%esi
call   1040 <quickSortDualPivot@plt>
lea    0xe3d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    122e <main+0xfe>
mov    -0x28(%rbp),%rax
movslq -0xc(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe25(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    11fb <main+0xcb>
lea    0xddb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rax
mov    %rax,%rsp
mov    -0x4(%rbp),%eax
mov    %rbp,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
mov    %rsp,%rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
lea    0xeb7(%rip),%rdi
call   1040 <puts@plt>
lea    0xe8f(%rip),%rdi
lea    -0x2c(%rbp),%rsi
call   1070 <scanf@plt>
mov    -0x2c(%rbp),%esi
lea    0xe7f(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rsp,%r12
mov    -0x2c(%rbp),%eax
mov    %rsp,%r15
lea    0xf(,%rax,4),%rax
and    $0xfffffffffffffff0,%rax
sub    %rax,%r15
mov    %r15,%rsp
mov    -0x2c(%rbp),%edx
test   %edx,%edx
jle    11dc <main+0x8c>
xor    %r13d,%r13d
lea    0xe49(%rip),%r14
mov    %r15,%rbx
nopw   0x0(%rax,%rax,1)
mov    %r14,%rdi
mov    %rbx,%rsi
call   1070 <scanf@plt>
add    $0x1,%r13
movslq -0x2c(%rbp),%rdx
add    $0x4,%rbx
cmp    %rdx,%r13
jl     11c0 <main+0x70>
add    $0xffffffff,%edx
mov    %r15,%rdi
xor    %esi,%esi
call   1060 <quickSortDualPivot@plt>
lea    0xe3d(%rip),%rdi
call   1040 <puts@plt>
cmpl   $0x0,-0x2c(%rbp)
jle    122b <main+0xdb>
lea    0xe16(%rip),%r14
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
mov    (%r15,%rbx,4),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
add    $0x1,%rbx
movslq -0x2c(%rbp),%rax
cmp    %rax,%rbx
jl     1210 <main+0xc0>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %r12,%rsp
xor    %eax,%eax
lea    -0x28(%rbp),%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [18 x i8] c"Enter the size -\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [21 x i8] c"Enter %d elements -\0A\00"
@.str.3 = [20 x i8] c"The Sorted Array -\0A\00"
@.str.4 = [4 x i8] c"%d \00"
@.str.5 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i8*
%5 = alloca i64
store i32 0, i32* %1
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%8 = load i32, i32* %2
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0), i32 %8)
%10 = load i32, i32* %2
%11 = zext i32 %10 to i64
%12 = call i8* @llvm.stacksave()
store i8* %12, i8** %4
%13 = alloca i32, i64 %11
store i64 %11, i64* %5
store i32 0, i32* %3
br label %14
14: ; preds = %23, %0
%15 = load i32, i32* %3
%16 = load i32, i32* %2
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %26
18: ; preds = %14
%19 = load i32, i32* %3
%20 = sext i32 %19 to i64
%21 = getelementptr inbounds i32, i32* %13, i64 %20
%22 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %21)
br label %23
23: ; preds = %18
%24 = load i32, i32* %3
%25 = add nsw i32 %24, 1
store i32 %25, i32* %3
br label %14
26: ; preds = %14
%27 = load i32, i32* %2
%28 = sub nsw i32 %27, 1
%29 = call i32 @quickSortDualPivot(i32* %13, i32 0, i32 %28)
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
store i32 0, i32* %3
br label %31
31: ; preds = %41, %26
%32 = load i32, i32* %3
%33 = load i32, i32* %2
%34 = icmp slt i32 %32, %33
br i1 %34, label %35, label %44
35: ; preds = %31
%36 = load i32, i32* %3
%37 = sext i32 %36 to i64
%38 = getelementptr inbounds i32, i32* %13, i64 %37
%39 = load i32, i32* %38
%40 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i32 %39)
br label %41
41: ; preds = %35
%42 = load i32, i32* %3
%43 = add nsw i32 %42, 1
store i32 %43, i32* %3
br label %31
44: ; preds = %31
%45 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%46 = load i8*, i8** %4
%47 = load i32, i32* %1
ret i32 %47
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [21 x i8] c"Enter %d elements -\0A\00"
@.str.4 = [4 x i8] c"%d \00"
@str = [17 x i8] c"Enter the size -\00"
@str.6 = [19 x i8] c"The Sorted Array -\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0), i32 %5)
%7 = load i32, i32* %1
%8 = zext i32 %7 to i64
%9 = call i8* @llvm.stacksave()
%10 = alloca i32, i64 %8
%11 = load i32, i32* %1
%12 = icmp sgt i32 %11, 0
br i1 %12, label %13, label %21
13: ; preds = %0, %13
%14 = phi i64 [ %17, %13 ], [ 0, %0 ]
%15 = getelementptr inbounds i32, i32* %10, i64 %14
%16 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %15)
%17 = add nuw nsw i64 %14, 1
%18 = load i32, i32* %1
%19 = sext i32 %18 to i64
%20 = icmp slt i64 %17, %19
br i1 %20, label %13, label %21
21: ; preds = %13, %0
%22 = phi i32 [ %11, %0 ], [ %18, %13 ]
%23 = add nsw i32 %22, -1
%24 = call i32 @quickSortDualPivot(i32* %10, i32 0, i32 %23)
%25 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.6, i64 0, i64 0))
%26 = load i32, i32* %1
%27 = icmp sgt i32 %26, 0
br i1 %27, label %28, label %37
28: ; preds = %21, %28
%29 = phi i64 [ %33, %28 ], [ 0, %21 ]
%30 = getelementptr inbounds i32, i32* %10, i64 %29
%31 = load i32, i32* %30
%32 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i32 %31)
%33 = add nuw nsw i64 %29, 1
%34 = load i32, i32* %1
%35 = sext i32 %34 to i64
%36 = icmp slt i64 %33, %35
br i1 %36, label %28, label %37
37: ; preds = %28, %21
%38 = call i32 @putchar(i32 10)
ret i32 0
}