#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);
int /*<<< orphan*/ putchar(char);
int /*<<< orphan*/ quick_sort(int *, int /*<<< orphan*/, int);
int main(int argc, char *argv[]) {
  int i, a[10] = {1, 5, 3, 8, 6, 2, 8, 6, 4, 1};
  quick_sort(a, 0, 9);
  for (i = 0; i < 10; i++) {
    printf(" %4d", a[i]);
  }
  putchar('\n');
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    -0x40(%rbp),%rdi
lea    0xe9f(%rip),%rsi
mov    $0x28,%edx
call   1050 <memcpy@plt>
lea    -0x40(%rbp),%rdi
xor    %esi,%esi
mov    $0x9,%edx
call   1060 <quick_sort@plt>
movl   $0x0,-0x14(%rbp)
cmpl   $0xa,-0x14(%rbp)
jge    11ae <main+0x6e>
movslq -0x14(%rbp),%rax
mov    -0x40(%rbp,%rax,4),%esi
lea    0xe8d(%rip),%rdi
call   1040 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1182 <main+0x42>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x30,%rsp
mov    0xee4(%rip),%rax
mov    %rax,0x20(%rsp)
movaps 0xec8(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xeac(%rip),%xmm0
movaps %xmm0,(%rsp)
mov    %rsp,%rdi
xor    %esi,%esi
mov    $0x9,%edx
call   1050 <quick_sort@plt>
mov    (%rsp),%esi
lea    0xeb7(%rip),%rbx
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    0x4(%rsp),%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    0x8(%rsp),%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    0x14(%rsp),%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    0x18(%rsp),%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    0x1c(%rsp),%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    0x20(%rsp),%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    0x24(%rsp),%esi
mov    %rbx,%rdi
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.a = [10 x i32] [i32 1, i32 5, i32 3, i32 8, i32 6, i32 2, i32 8, i32 6, i32 4, i32 1]
@.str = [5 x i8] c" %4d\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca [10 x i32]
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = bitcast [10 x i32]* %7 to i8*
%9 = getelementptr inbounds [10 x i32], [10 x i32]* %7, i64 0, i64 0
%10 = call i32 @quick_sort(i32* %9, i32 0, i32 9)
store i32 0, i32* %6
br label %11
11: ; preds = %20, %2
%12 = load i32, i32* %6
%13 = icmp slt i32 %12, 10
br i1 %13, label %14, label %23
14: ; preds = %11
%15 = load i32, i32* %6
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds [10 x i32], [10 x i32]* %7, i64 0, i64 %16
%18 = load i32, i32* %17
%19 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %14
%21 = load i32, i32* %6
%22 = add nsw i32 %21, 1
store i32 %22, i32* %6
br label %11
23: ; preds = %11
%24 = call i32 @putchar(i8 signext 10)
ret i32 0
}

LLVM IR (-O2):
@__const.main.a = [10 x i32] [i32 1, i32 5, i32 3, i32 8, i32 6, i32 2, i32 8, i32 6, i32 4, i32 1]
@.str = [5 x i8] c" %4d\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca [10 x i32]
%4 = bitcast [10 x i32]* %3 to i8*
%5 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 0
%6 = call i32 @quick_sort(i32* %5, i32 0, i32 9)
%7 = load i32, i32* %5
%8 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 1
%10 = load i32, i32* %9
%11 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %10)
%12 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 2
%13 = load i32, i32* %12
%14 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %13)
%15 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 3
%16 = load i32, i32* %15
%17 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %16)
%18 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 4
%19 = load i32, i32* %18
%20 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %19)
%21 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 5
%22 = load i32, i32* %21
%23 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %22)
%24 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 6
%25 = load i32, i32* %24
%26 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %25)
%27 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 7
%28 = load i32, i32* %27
%29 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %28)
%30 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 8
%31 = load i32, i32* %30
%32 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %31)
%33 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 9
%34 = load i32, i32* %33
%35 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %34)
%36 = call i32 @putchar(i8 signext 10)
ret i32 0
}