#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*/ heapSort(int *, int);
int /*<<< orphan*/ printArray(int *, int);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int arr[20];
  int size;
  int i;
  printf("Enter the no of elements to sort\n");
  scanf("%d", &size);
  printf("Enter the elements\n");
  for (i = 0; i < size; i++)
    scanf("%d", &arr[i]);
  printf("Given array is \n");
  printArray(arr, size);
  heapSort(arr, size);
  printf("\nSorted array is \n");
  printArray(arr, size);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x70,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
call   1040 <printf@plt>
lea    0xec0(%rip),%rdi
lea    -0x64(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xeb3(%rip),%rdi
call   1040 <printf@plt>
movl   $0x0,-0x68(%rbp)
mov    -0x68(%rbp),%eax
cmp    -0x64(%rbp),%eax
jge    11b3 <main+0x73>
movslq -0x68(%rbp),%rax
lea    -0x60(%rbp),%rsi
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe82(%rip),%rdi
call   1050 <scanf@plt>
mov    -0x68(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x68(%rbp)
jmp    117e <main+0x3e>
lea    0xe7f(%rip),%rdi
call   1040 <printf@plt>
lea    -0x60(%rbp),%rdi
mov    -0x64(%rbp),%esi
call   1060 <printArray@plt>
lea    -0x60(%rbp),%rdi
mov    -0x64(%rbp),%esi
call   1030 <heapSort@plt>
lea    0xe6c(%rip),%rdi
call   1040 <printf@plt>
lea    -0x60(%rbp),%rdi
mov    -0x64(%rbp),%esi
call   1060 <printArray@plt>
xor    %eax,%eax
add    $0x70,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x60,%rsp
lea    0xeb3(%rip),%rdi
call   1030 <puts@plt>
lea    0xea4(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
lea    0xeb7(%rip),%rdi
call   1030 <puts@plt>
cmpl   $0x0,0xc(%rsp)
jle    11ad <main+0x6d>
lea    0x10(%rsp),%r15
xor    %ebx,%ebx
lea    0xe79(%rip),%r14
nopw   0x0(%rax,%rax,1)
mov    %r14,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
add    $0x1,%rbx
movslq 0xc(%rsp),%rax
add    $0x4,%r15
cmp    %rax,%rbx
jl     1190 <main+0x50>
lea    0xe83(%rip),%rdi
call   1030 <puts@plt>
mov    0xc(%rsp),%esi
lea    0x10(%rsp),%rbx
mov    %rbx,%rdi
call   1060 <printArray@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
call   1040 <heapSort@plt>
lea    0xe6a(%rip),%rdi
call   1030 <puts@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
call   1060 <printArray@plt>
xor    %eax,%eax
add    $0x60,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [34 x i8] c"Enter the no of elements to sort\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [20 x i8] c"Enter the elements\0A\00"
@.str.3 = [17 x i8] c"Given array is \0A\00"
@.str.4 = [19 x i8] c"\0ASorted array is \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [20 x i32]
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%7 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0))
store i32 0, i32* %4
br label %8
8: ; preds = %17, %0
%9 = load i32, i32* %4
%10 = load i32, i32* %3
%11 = icmp slt i32 %9, %10
br i1 %11, label %12, label %20
12: ; preds = %8
%13 = load i32, i32* %4
%14 = sext i32 %13 to i64
%15 = getelementptr inbounds [20 x i32], [20 x i32]* %2, i64 0, i64 %14
%16 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %15)
br label %17
17: ; preds = %12
%18 = load i32, i32* %4
%19 = add nsw i32 %18, 1
store i32 %19, i32* %4
br label %8
20: ; preds = %8
%21 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.3, i64 0, i64 0))
%22 = getelementptr inbounds [20 x i32], [20 x i32]* %2, i64 0, i64 0
%23 = load i32, i32* %3
%24 = call i32 @printArray(i32* %22, i32 %23)
%25 = getelementptr inbounds [20 x i32], [20 x i32]* %2, i64 0, i64 0
%26 = load i32, i32* %3
%27 = call i32 @heapSort(i32* %25, i32 %26)
%28 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0))
%29 = getelementptr inbounds [20 x i32], [20 x i32]* %2, i64 0, i64 0
%30 = load i32, i32* %3
%31 = call i32 @printArray(i32* %29, i32 %30)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@str = [33 x i8] c"Enter the no of elements to sort\00"
@str.5 = [19 x i8] c"Enter the elements\00"
@str.6 = [16 x i8] c"Given array is \00"
@str.7 = [18 x i8] c"\0ASorted array is \00"
define i32 @main() {
%1 = alloca [20 x i32]
%2 = alloca i32
%3 = bitcast [20 x i32]* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%7 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.5, i64 0, i64 0))
%8 = load i32, i32* %2
%9 = icmp sgt i32 %8, 0
br i1 %9, label %10, label %18
10: ; preds = %0, %10
%11 = phi i64 [ %14, %10 ], [ 0, %0 ]
%12 = getelementptr inbounds [20 x i32], [20 x i32]* %1, i64 0, i64 %11
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %12)
%14 = add nuw nsw i64 %11, 1
%15 = load i32, i32* %2
%16 = sext i32 %15 to i64
%17 = icmp slt i64 %14, %16
br i1 %17, label %10, label %18
18: ; preds = %10, %0
%19 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.6, i64 0, i64 0))
%20 = getelementptr inbounds [20 x i32], [20 x i32]* %1, i64 0, i64 0
%21 = load i32, i32* %2
%22 = call i32 @printArray(i32* %20, i32 %21)
%23 = load i32, i32* %2
%24 = call i32 @heapSort(i32* %20, i32 %23)
%25 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str.7, i64 0, i64 0))
%26 = load i32, i32* %2
%27 = call i32 @printArray(i32* %20, i32 %26)
ret i32 0
}