#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*/ printf(char *, ...);
int /*<<< orphan*/ qsort(int *, int /*<<< orphan*/, int);
int main(void) {
  int n = 10;
  int test[n];
  test[0] = 9;
  test[1] = 4;
  test[2] = 1;
  test[3] = -18;
  test[4] = 3;
  test[5] = 6;
  test[6] = 7;
  test[7] = 2;
  test[8] = 0;
  test[9] = -2;
  for (int i = 0; i < n; i++) {
    printf("%d ", test[i]);
  }
  printf("\n");
  qsort(test, 0, n - 1);
  for (int i = 0; i < n; i++) {
    printf("%d ", test[i]);
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xa,-0x8(%rbp)
mov    -0x8(%rbp),%eax
mov    %eax,%ecx
mov    %rsp,%rax
mov    %rax,-0x10(%rbp)
lea    0xf(,%rcx,4),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rax
sub    %rdx,%rax
mov    %rax,-0x28(%rbp)
mov    %rax,%rsp
mov    %rcx,-0x18(%rbp)
movl   $0x9,(%rax)
movl   $0x4,0x4(%rax)
movl   $0x1,0x8(%rax)
movl   $0xffffffee,0xc(%rax)
movl   $0x3,0x10(%rax)
movl   $0x6,0x14(%rax)
movl   $0x7,0x18(%rax)
movl   $0x2,0x1c(%rax)
movl   $0x0,0x20(%rax)
movl   $0xfffffffe,0x24(%rax)
movl   $0x0,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11de <main+0xbe>
mov    -0x28(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe37(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    11ab <main+0x8b>
lea    0xe1f(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x28(%rbp),%rdi
mov    -0x8(%rbp),%edx
sub    $0x1,%edx
xor    %esi,%esi
call   1030 <qsort@plt>
movl   $0x0,-0x20(%rbp)
mov    -0x20(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1237 <main+0x117>
mov    -0x28(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xdde(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x20(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x20(%rbp)
jmp    1204 <main+0xe4>
lea    0xdc6(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x10(%rbp),%rax
mov    %rax,%rsp
mov    -0x4(%rbp),%eax
mov    %rbp,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x30,%rsp
movaps 0xec4(%rip),%xmm0
movaps %xmm0,(%rsp)
movaps 0xec9(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movabs $0xfffffffe00000000,%rax
ff ff ff
mov    %rax,0x20(%rsp)
lea    0xebe(%rip),%rbx
mov    %rbx,%rdi
mov    $0x9,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0xffffffee,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0xfffffffe,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rsp,%rdi
xor    %esi,%esi
mov    $0x9,%edx
call   1040 <qsort@plt>
mov    (%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x4(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x8(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x14(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x18(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x1c(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x20(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x24(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%d \00"
@.str.1 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i8*
%4 = alloca i64
%5 = alloca i32
%6 = alloca i32
store i32 0, i32* %1
store i32 10, i32* %2
%7 = load i32, i32* %2
%8 = zext i32 %7 to i64
%9 = call i8* @llvm.stacksave()
store i8* %9, i8** %3
%10 = alloca i32, i64 %8
store i64 %8, i64* %4
%11 = getelementptr inbounds i32, i32* %10, i64 0
store i32 9, i32* %11
%12 = getelementptr inbounds i32, i32* %10, i64 1
store i32 4, i32* %12
%13 = getelementptr inbounds i32, i32* %10, i64 2
store i32 1, i32* %13
%14 = getelementptr inbounds i32, i32* %10, i64 3
store i32 -18, i32* %14
%15 = getelementptr inbounds i32, i32* %10, i64 4
store i32 3, i32* %15
%16 = getelementptr inbounds i32, i32* %10, i64 5
store i32 6, i32* %16
%17 = getelementptr inbounds i32, i32* %10, i64 6
store i32 7, i32* %17
%18 = getelementptr inbounds i32, i32* %10, i64 7
store i32 2, i32* %18
%19 = getelementptr inbounds i32, i32* %10, i64 8
store i32 0, i32* %19
%20 = getelementptr inbounds i32, i32* %10, i64 9
store i32 -2, i32* %20
store i32 0, i32* %5
br label %21
21: ; preds = %31, %0
%22 = load i32, i32* %5
%23 = load i32, i32* %2
%24 = icmp slt i32 %22, %23
br i1 %24, label %25, label %34
25: ; preds = %21
%26 = load i32, i32* %5
%27 = sext i32 %26 to i64
%28 = getelementptr inbounds i32, i32* %10, i64 %27
%29 = load i32, i32* %28
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %29)
br label %31
31: ; preds = %25
%32 = load i32, i32* %5
%33 = add nsw i32 %32, 1
store i32 %33, i32* %5
br label %21
34: ; preds = %21
%35 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%36 = load i32, i32* %2
%37 = sub nsw i32 %36, 1
%38 = call i32 @qsort(i32* %10, i32 0, i32 %37)
store i32 0, i32* %6
br label %39
39: ; preds = %49, %34
%40 = load i32, i32* %6
%41 = load i32, i32* %2
%42 = icmp slt i32 %40, %41
br i1 %42, label %43, label %52
43: ; preds = %39
%44 = load i32, i32* %6
%45 = sext i32 %44 to i64
%46 = getelementptr inbounds i32, i32* %10, i64 %45
%47 = load i32, i32* %46
%48 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %47)
br label %49
49: ; preds = %43
%50 = load i32, i32* %6
%51 = add nsw i32 %50, 1
store i32 %51, i32* %6
br label %39
52: ; preds = %39
%53 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%54 = load i8*, i8** %3
%55 = load i32, i32* %1
ret i32 %55
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d \00"
define i32 @main() {
%1 = alloca [10 x i32]
%2 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 0
%3 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 1
%4 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 2
%5 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 3
%6 = bitcast [10 x i32]* %1 to <4 x i32>*
store <4 x i32> <i32 9, i32 4, i32 1, i32 -18>, <4 x i32>* %6
%7 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 4
%8 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 5
%9 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 6
%10 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 7
%11 = bitcast i32* %7 to <4 x i32>*
store <4 x i32> <i32 3, i32 6, i32 7, i32 2>, <4 x i32>* %11
%12 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 8
store i32 0, i32* %12
%13 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 9
store i32 -2, i32* %13
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 9)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 4)
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 1)
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -18)
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 3)
%19 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 6)
%20 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 7)
%21 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 2)
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%23 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 -2)
%24 = tail call i32 @putchar(i32 10)
%25 = call i32 @qsort(i32* %2, i32 0, i32 9)
%26 = load i32, i32* %2
%27 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %26)
%28 = load i32, i32* %3
%29 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %28)
%30 = load i32, i32* %4
%31 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %30)
%32 = load i32, i32* %5
%33 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %32)
%34 = load i32, i32* %7
%35 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %34)
%36 = load i32, i32* %8
%37 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %36)
%38 = load i32, i32* %9
%39 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %38)
%40 = load i32, i32* %10
%41 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %40)
%42 = load i32, i32* %12
%43 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %42)
%44 = load i32, i32* %13
%45 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %44)
%46 = call i32 @putchar(i32 10)
ret i32 0
}