#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 numArr[] = {8, 9, 6, 7, 5, 4, 3, 2, 1, 0, -1, -3, -2, -9, -7};
  printf("Before sorting:\n");
  printArr(numArr, 15);
  heapsort(numArr, 15);
  printf("After sorting:\n");
  printArr(numArr, 15);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x40(%rbp),%rdi
lea    0xea6(%rip),%rsi
mov    $0x3c,%edx
call   1050 <memcpy@plt>
lea    0xed1(%rip),%rdi
call   1030 <printf@plt>
lea    -0x40(%rbp),%rdi
mov    $0xf,%esi
call   1060 <printArr@plt>
lea    -0x40(%rbp),%rdi
mov    $0xf,%esi
call   1040 <heapsort@plt>
lea    0xeba(%rip),%rdi
call   1030 <printf@plt>
lea    -0x40(%rbp),%rdi
mov    $0xf,%esi
call   1060 <printArr@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x40,%rsp
movups 0xef0(%rip),%xmm0
movups %xmm0,0x2c(%rsp)
movaps 0xed8(%rip),%xmm0
movaps %xmm0,0x20(%rsp)
movaps 0xebc(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xea0(%rip),%xmm0
movaps %xmm0,(%rsp)
lea    0xed1(%rip),%rdi
call   1030 <puts@plt>
mov    %rsp,%rbx
mov    %rbx,%rdi
mov    $0xf,%esi
call   1050 <printArr@plt>
mov    %rbx,%rdi
mov    $0xf,%esi
call   1040 <heapsort@plt>
lea    0xeb8(%rip),%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
mov    $0xf,%esi
call   1050 <printArr@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.numArr = [15 x i32] [i32 8, i32 9, i32 6, i32 7, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0, i32 -1, i32 -3, i32 -2, i32 -9, i32 -7]
@.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 [15 x i32]
store i32 0, i32* %1
%3 = bitcast [15 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 [15 x i32], [15 x i32]* %2, i64 0, i64 0
%6 = call i32 @printArr(i32* %5, i32 15)
%7 = getelementptr inbounds [15 x i32], [15 x i32]* %2, i64 0, i64 0
%8 = call i32 @heapsort(i32* %7, i32 15)
%9 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
%10 = getelementptr inbounds [15 x i32], [15 x i32]* %2, i64 0, i64 0
%11 = call i32 @printArr(i32* %10, i32 15)
ret i32 0
}

LLVM IR (-O2):
@__const.main.numArr = [15 x i32] [i32 8, i32 9, i32 6, i32 7, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0, i32 -1, i32 -3, i32 -2, i32 -9, i32 -7]
@str = [16 x i8] c"Before sorting:\00"
@str.2 = [15 x i8] c"After sorting:\00"
define i32 @main() {
%1 = alloca [15 x i32]
%2 = bitcast [15 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 [15 x i32], [15 x i32]* %1, i64 0, i64 0
%5 = call i32 @printArr(i32* %4, i32 15)
%6 = call i32 @heapsort(i32* %4, i32 15)
%7 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @str.2, i64 0, i64 0))
%8 = call i32 @printArr(i32* %4, i32 15)
ret i32 0
}