#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*/ build_max_heap(int *, int);
int /*<<< orphan*/ max_heapify(int *, int /*<<< orphan*/, int);
void heap_sort(int *array, int size) {
  int i, temp, heap_size = size;
  build_max_heap(array, size);
  for (i = size - 1; i > 0; i--) {
    temp = array[i];
    array[i] = array[0];
    array[0] = temp;
    max_heapify(array, 0, --heap_size);
  }
}


x86 assembly (clang, -O0):
<heap_sort>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x8(%rbp),%rdi
mov    -0xc(%rbp),%esi
call   1040 <build_max_heap@plt>
mov    -0xc(%rbp),%eax
sub    $0x1,%eax
mov    %eax,-0x10(%rbp)
cmpl   $0x0,-0x10(%rbp)
jle    119e <heap_sort+0x7e>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,4),%eax
mov    %eax,-0x14(%rbp)
mov    -0x8(%rbp),%rax
mov    (%rax),%edx
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    %edx,(%rax,%rcx,4)
mov    -0x14(%rbp),%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,(%rax)
mov    -0x8(%rbp),%rdi
mov    -0x18(%rbp),%edx
add    $0xffffffff,%edx
mov    %edx,-0x18(%rbp)
xor    %esi,%esi
call   1030 <max_heapify@plt>
mov    -0x10(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x10(%rbp)
jmp    114a <heap_sort+0x2a>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<heap_sort>:
push   %rbp
push   %r14
push   %rbx
mov    %esi,%ebp
mov    %rdi,%r14
call   1040 <build_max_heap@plt>
cmp    $0x2,%ebp
jl     1169 <heap_sort+0x49>
mov    %ebp,%ebp
cs nopw 0x0(%rax,%rax,1)
nop
lea    -0x1(%rbp),%rbx
mov    %ebx,%eax
mov    (%r14,%rax,4),%ecx
mov    (%r14),%edx
mov    %edx,(%r14,%rax,4)
mov    %ecx,(%r14)
mov    %r14,%rdi
xor    %esi,%esi
mov    %ebx,%edx
call   1030 <max_heapify@plt>
cmp    $0x2,%rbp
mov    %rbx,%rbp
ja     1140 <heap_sort+0x20>
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
define void @heap_sort(i32* %0, i32 %1) {
%3 = alloca i32*
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
store i32* %0, i32** %3
store i32 %1, i32* %4
%8 = load i32, i32* %4
store i32 %8, i32* %7
%9 = load i32*, i32** %3
%10 = load i32, i32* %4
%11 = call i32 @build_max_heap(i32* %9, i32 %10)
%12 = load i32, i32* %4
%13 = sub nsw i32 %12, 1
store i32 %13, i32* %5
br label %14
14: ; preds = %37, %2
%15 = load i32, i32* %5
%16 = icmp sgt i32 %15, 0
br i1 %16, label %17, label %40
17: ; preds = %14
%18 = load i32*, i32** %3
%19 = load i32, i32* %5
%20 = sext i32 %19 to i64
%21 = getelementptr inbounds i32, i32* %18, i64 %20
%22 = load i32, i32* %21
store i32 %22, i32* %6
%23 = load i32*, i32** %3
%24 = getelementptr inbounds i32, i32* %23, i64 0
%25 = load i32, i32* %24
%26 = load i32*, i32** %3
%27 = load i32, i32* %5
%28 = sext i32 %27 to i64
%29 = getelementptr inbounds i32, i32* %26, i64 %28
store i32 %25, i32* %29
%30 = load i32, i32* %6
%31 = load i32*, i32** %3
%32 = getelementptr inbounds i32, i32* %31, i64 0
store i32 %30, i32* %32
%33 = load i32*, i32** %3
%34 = load i32, i32* %7
%35 = add nsw i32 %34, -1
store i32 %35, i32* %7
%36 = call i32 @max_heapify(i32* %33, i32 0, i32 %35)
br label %37
37: ; preds = %17
%38 = load i32, i32* %5
%39 = add nsw i32 %38, -1
store i32 %39, i32* %5
br label %14
40: ; preds = %14
ret void
}

LLVM IR (-O2):
define void @heap_sort(i32* %0, i32 %1) {
%3 = tail call i32 @build_max_heap(i32* %0, i32 %1)
%4 = icmp sgt i32 %1, 1
br i1 %4, label %5, label %17
5: ; preds = %2
%6 = zext i32 %1 to i64
br label %7
7: ; preds = %5, %7
%8 = phi i64 [ %6, %5 ], [ %9, %7 ]
%9 = add nsw i64 %8, -1
%10 = trunc i64 %9 to i32
%11 = and i64 %9, 4294967295
%12 = getelementptr inbounds i32, i32* %0, i64 %11
%13 = load i32, i32* %12
%14 = load i32, i32* %0
store i32 %14, i32* %12
store i32 %13, i32* %0
%15 = tail call i32 @max_heapify(i32* %0, i32 0, i32 %10)
%16 = icmp ugt i64 %8, 2
br i1 %16, label %7, label %17
17: ; preds = %7, %2
ret void
}