#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 */
typedef int /*<<< orphan*/ a;

/* Variables and functions */
int /*<<< orphan*/ bucket_sort(int *, int, int);
int /*<<< orphan*/ printf(char *, ...);
void main() {
  int i;
  int a[] = {8, 2, 3, 4, 3, 6, 6, 3, 9};
  int ilen = ((sizeof(a)) / (sizeof(a[0])));
  printf("before sort:");
  for (i = 0; i < ilen; i++)
    printf("%d ", a[i]);
  printf("\n");
  bucket_sort(a, ilen, 10);
  printf("after  sort:");
  for (i = 0; i < ilen; i++)
    printf("%d ", a[i]);
  printf("\n");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
lea    -0x30(%rbp),%rdi
lea    0xebd(%rip),%rsi
mov    $0x24,%edx
call   1050 <memcpy@plt>
movl   $0x9,-0x34(%rbp)
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
cmp    -0x34(%rbp),%eax
jge    1199 <main+0x69>
movslq -0x4(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%esi
lea    0xead(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x4(%rbp)
jmp    1169 <main+0x39>
lea    0xe95(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x30(%rbp),%rdi
mov    -0x34(%rbp),%esi
mov    $0xa,%edx
call   1040 <bucket_sort@plt>
lea    0xe78(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
cmp    -0x34(%rbp),%eax
jge    11fd <main+0xcd>
movslq -0x4(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%esi
lea    0xe49(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x4(%rbp)
jmp    11cd <main+0x9d>
lea    0xe31(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x30,%rsp
mov    0xee5(%rip),%eax
mov    %eax,0x20(%rsp)
movaps 0xeca(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xeae(%rip),%xmm0
movaps %xmm0,(%rsp)
lea    0xec7(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec6(%rip),%rbx
mov    %rbx,%rdi
mov    $0x8,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rsp,%rdi
mov    $0x9,%esi
mov    $0xa,%edx
call   1050 <bucket_sort@plt>
lea    0xe20(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    (%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x4(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x14(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x18(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x1c(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x20(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x30,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.a = [9 x i32] [i32 8, i32 2, i32 3, i32 4, i32 3, i32 6, i32 6, i32 3, i32 9]
@.str = [13 x i8] c"before sort:\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [2 x i8] c"\0A\00"
@.str.3 = [13 x i8] c"after sort:\00"
define void @main() {
%1 = alloca i32
%2 = alloca [9 x i32]
%3 = alloca i32
%4 = bitcast [9 x i32]* %2 to i8*
store i32 9, i32* %3
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %1
br label %6
6: ; preds = %16, %0
%7 = load i32, i32* %1
%8 = load i32, i32* %3
%9 = icmp slt i32 %7, %8
br i1 %9, label %10, label %19
10: ; preds = %6
%11 = load i32, i32* %1
%12 = sext i32 %11 to i64
%13 = getelementptr inbounds [9 x i32], [9 x i32]* %2, i64 0, i64 %12
%14 = load i32, i32* %13
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %14)
br label %16
16: ; preds = %10
%17 = load i32, i32* %1
%18 = add nsw i32 %17, 1
store i32 %18, i32* %1
br label %6
19: ; preds = %6
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%21 = getelementptr inbounds [9 x i32], [9 x i32]* %2, i64 0, i64 0
%22 = load i32, i32* %3
%23 = call i32 @bucket_sort(i32* %21, i32 %22, i32 10)
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0))
store i32 0, i32* %1
br label %25
25: ; preds = %35, %19
%26 = load i32, i32* %1
%27 = load i32, i32* %3
%28 = icmp slt i32 %26, %27
br i1 %28, label %29, label %38
29: ; preds = %25
%30 = load i32, i32* %1
%31 = sext i32 %30 to i64
%32 = getelementptr inbounds [9 x i32], [9 x i32]* %2, i64 0, i64 %31
%33 = load i32, i32* %32
%34 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %33)
br label %35
35: ; preds = %29
%36 = load i32, i32* %1
%37 = add nsw i32 %36, 1
store i32 %37, i32* %1
br label %25
38: ; preds = %25
%39 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
ret void
}

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