#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*/ ReverseSort(int *, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int n;
  printf("Please write here the array size: \n");
  scanf("%d", &n);
  printf("The dimension of the array is %d\n", n);
  int a[n];
  printf("Please type the %d elements one by one and push ENTER\n", n);
  int i;
  for (i = 0; i < n; i++)
    scanf("%d", &a[i]);
  printf("Loading... \n\n");
  ReverseSort(a, n);
  printf("Loading... \n\n");
  printf("The array is reversed \n");
  for (i = 0; i < n; i++)
    printf("%d ", a[i]);
  printf("\n");
  return 0;
}


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    0xecd(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x29(%rbp),%al
mov    -0x8(%rbp),%esi
lea    0xeba(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
mov    %rsp,%rcx
mov    %rcx,-0x10(%rbp)
lea    0xf(,%rax,4),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rcx
sub    %rdx,%rcx
mov    %rcx,-0x28(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x18(%rbp)
mov    -0x8(%rbp),%esi
lea    0xea6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11e6 <main+0xb6>
mov    -0x28(%rbp),%rsi
movslq -0x1c(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe51(%rip),%rdi
call   1040 <scanf@plt>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    11b1 <main+0x81>
lea    0xe93(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x28(%rbp),%rdi
mov    -0x8(%rbp),%esi
call   1050 <ReverseSort@plt>
lea    0xe79(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe79(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1256 <main+0x126>
mov    -0x28(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe65(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    1223 <main+0xf3>
lea    0xe2f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x10(%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    0xefb(%rip),%rdi
call   1040 <puts@plt>
lea    0xe8f(%rip),%rdi
lea    -0x2c(%rbp),%rsi
call   1060 <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),%esi
lea    0xe75(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
cmpl   $0x0,-0x2c(%rbp)
jle    11ec <main+0x9c>
xor    %r13d,%r13d
lea    0xe39(%rip),%r14
mov    %r15,%rbx
nopw   0x0(%rax,%rax,1)
mov    %r14,%rdi
mov    %rbx,%rsi
call   1060 <scanf@plt>
add    $0x1,%r13
movslq -0x2c(%rbp),%rax
add    $0x4,%rbx
cmp    %rax,%r13
jl     11d0 <main+0x80>
lea    0xe90(%rip),%rbx
mov    %rbx,%rdi
call   1040 <puts@plt>
mov    -0x2c(%rbp),%esi
mov    %r15,%rdi
call   1070 <ReverseSort@plt>
mov    %rbx,%rdi
call   1040 <puts@plt>
lea    0xe7b(%rip),%rdi
call   1040 <puts@plt>
cmpl   $0x0,-0x2c(%rbp)
jle    124b <main+0xfb>
lea    0xe35(%rip),%r14
xor    %ebx,%ebx
nopl   0x0(%rax)
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     1230 <main+0xe0>
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 = [36 x i8] c"Please write here the array size: \0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [34 x i8] c"The dimension of the array is %d\0A\00"
@.str.3 = [55 x i8] c"Please type the %d elements one by one and push ENTER\0A\00"
@.str.4 = [14 x i8] c"Loading... \0A\0A\00"
@.str.5 = [24 x i8] c"The array is reversed \0A\00"
@.str.6 = [4 x i8] c"%d \00"
@.str.7 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i8*
%4 = alloca i64
%5 = alloca i32
store i32 0, i32* %1
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([36 x i8], [36 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 ([34 x i8], [34 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** %3
%13 = alloca i32, i64 %11
store i64 %11, i64* %4
%14 = load i32, i32* %2
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.3, i64 0, i64 0), i32 %14)
store i32 0, i32* %5
br label %16
16: ; preds = %25, %0
%17 = load i32, i32* %5
%18 = load i32, i32* %2
%19 = icmp slt i32 %17, %18
br i1 %19, label %20, label %28
20: ; preds = %16
%21 = load i32, i32* %5
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds i32, i32* %13, i64 %22
%24 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %23)
br label %25
25: ; preds = %20
%26 = load i32, i32* %5
%27 = add nsw i32 %26, 1
store i32 %27, i32* %5
br label %16
28: ; preds = %16
%29 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0))
%30 = load i32, i32* %2
%31 = call i32 @ReverseSort(i32* %13, i32 %30)
%32 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0))
%33 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0))
store i32 0, i32* %5
br label %34
34: ; preds = %44, %28
%35 = load i32, i32* %5
%36 = load i32, i32* %2
%37 = icmp slt i32 %35, %36
br i1 %37, label %38, label %47
38: ; preds = %34
%39 = load i32, i32* %5
%40 = sext i32 %39 to i64
%41 = getelementptr inbounds i32, i32* %13, i64 %40
%42 = load i32, i32* %41
%43 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0), i32 %42)
br label %44
44: ; preds = %38
%45 = load i32, i32* %5
%46 = add nsw i32 %45, 1
store i32 %46, i32* %5
br label %34
47: ; preds = %34
%48 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i64 0, i64 0))
store i32 0, i32* %1
%49 = load i8*, i8** %3
%50 = load i32, i32* %1
ret i32 %50
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [34 x i8] c"The dimension of the array is %d\0A\00"
@.str.3 = [55 x i8] c"Please type the %d elements one by one and push ENTER\0A\00"
@.str.6 = [4 x i8] c"%d \00"
@str = [35 x i8] c"Please write here the array size: \00"
@str.9 = [13 x i8] c"Loading... \0A\00"
@str.10 = [23 x i8] c"The array is reversed \00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 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 ([34 x i8], [34 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 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @.str.3, i64 0, i64 0), i32 %11)
%13 = load i32, i32* %1
%14 = icmp sgt i32 %13, 0
br i1 %14, label %15, label %23
15: ; preds = %0, %15
%16 = phi i64 [ %19, %15 ], [ 0, %0 ]
%17 = getelementptr inbounds i32, i32* %10, i64 %16
%18 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %17)
%19 = add nuw nsw i64 %16, 1
%20 = load i32, i32* %1
%21 = sext i32 %20 to i64
%22 = icmp slt i64 %19, %21
br i1 %22, label %15, label %23
23: ; preds = %15, %0
%24 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str.9, i64 0, i64 0))
%25 = load i32, i32* %1
%26 = call i32 @ReverseSort(i32* %10, i32 %25)
%27 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str.9, i64 0, i64 0))
%28 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.10, i64 0, i64 0))
%29 = load i32, i32* %1
%30 = icmp sgt i32 %29, 0
br i1 %30, label %31, label %40
31: ; preds = %23, %31
%32 = phi i64 [ %36, %31 ], [ 0, %23 ]
%33 = getelementptr inbounds i32, i32* %10, i64 %32
%34 = load i32, i32* %33
%35 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0), i32 %34)
%36 = add nuw nsw i64 %32, 1
%37 = load i32, i32* %1
%38 = sext i32 %37 to i64
%39 = icmp slt i64 %36, %38
br i1 %39, label %31, label %40
40: ; preds = %31, %23
%41 = call i32 @putchar(i32 10)
ret i32 0
}