#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*/ printArr(int *, int);
int /*<<< orphan*/ printf(char *);
int main() {
  int array[] = {1, 3, 5, 7, 2, 4, 6, 8};
  printf("Before sorting:\n");
  printArr(array, 8);
  printf("After sorting:\n");
  heapsort(array, 8);
  printArr(array, 8);
  return 1;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    0xeba(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    0xeb7(%rip),%rax
mov    %rax,-0x28(%rbp)
mov    0xeb4(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    0xeb1(%rip),%rax
mov    %rax,-0x18(%rbp)
lea    0xeae(%rip),%rdi
call   1030 <printf@plt>
lea    -0x30(%rbp),%rdi
mov    $0x8,%esi
call   1050 <printArr@plt>
lea    0xea5(%rip),%rdi
call   1030 <printf@plt>
lea    -0x30(%rbp),%rdi
mov    $0x8,%esi
call   1040 <heapsort@plt>
lea    -0x30(%rbp),%rdi
mov    $0x8,%esi
call   1050 <printArr@plt>
mov    $0x1,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x20,%rsp
movaps 0xed4(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xeb8(%rip),%xmm0
movaps %xmm0,(%rsp)
lea    0xecd(%rip),%rdi
call   1030 <puts@plt>
mov    %rsp,%rbx
mov    %rbx,%rdi
mov    $0x8,%esi
call   1050 <printArr@plt>
lea    0xec1(%rip),%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
mov    $0x8,%esi
call   1040 <heapsort@plt>
mov    %rbx,%rdi
mov    $0x8,%esi
call   1050 <printArr@plt>
mov    $0x1,%eax
add    $0x20,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.array = [8 x i32] [i32 1, i32 3, i32 5, i32 7, i32 2, i32 4, i32 6, i32 8]
@.str = [17 x i8] c"Before sorting:\0A\00"
@.str.1 = [16 x i8] c"After sorting:\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [8 x i32]
store i32 0, i32* %1
%3 = bitcast [8 x i32]* %2 to i8*
%4 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%5 = getelementptr inbounds [8 x i32], [8 x i32]* %2, i64 0, i64 0
%6 = call i32 @printArr(i32* %5, i32 8)
%7 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
%8 = getelementptr inbounds [8 x i32], [8 x i32]* %2, i64 0, i64 0
%9 = call i32 @heapsort(i32* %8, i32 8)
%10 = getelementptr inbounds [8 x i32], [8 x i32]* %2, i64 0, i64 0
%11 = call i32 @printArr(i32* %10, i32 8)
ret i32 1
}

LLVM IR (-O2):
@__const.main.array = [8 x i32] [i32 1, i32 3, i32 5, i32 7, i32 2, i32 4, i32 6, i32 8]
@str = [16 x i8] c"Before sorting:\00"
@str.2 = [15 x i8] c"After sorting:\00"
define i32 @main() {
%1 = alloca [8 x i32]
%2 = bitcast [8 x i32]* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str, i64 0, i64 0))
%4 = getelementptr inbounds [8 x i32], [8 x i32]* %1, i64 0, i64 0
%5 = call i32 @printArr(i32* %4, i32 8)
%6 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @str.2, i64 0, i64 0))
%7 = call i32 @heapsort(i32* %4, i32 8)
%8 = call i32 @printArr(i32* %4, i32 8)
ret i32 1
}