#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*/ print(int *, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ radixsort(int *, int);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int arr[20];
  int i, n;
  printf("Enter total elements (n <= %d) : ", 20);
  scanf("%d", &n);
  n = n < 20 ? n : 20;
  printf("Enter %d Elements : ", n);
  for (i = 0; i < n; i++) {
    scanf("%d", &arr[i]);
  }
  printf("\nARRAY  : ");
  print(&arr[0], n);
  radixsort(&arr[0], n);
  printf("\nSORTED : ");
  print(&arr[0], n);
  printf("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x70,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
mov    $0x14,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb9(%rip),%rdi
lea    -0x68(%rbp),%rsi
call   1060 <scanf@plt>
cmpl   $0x14,-0x68(%rbp)
jge    1187 <main+0x47>
mov    -0x68(%rbp),%eax
mov    %eax,-0x6c(%rbp)
jmp    1194 <main+0x54>
mov    $0x14,%eax
mov    %eax,-0x6c(%rbp)
jmp    1194 <main+0x54>
mov    -0x6c(%rbp),%eax
mov    %eax,-0x68(%rbp)
mov    -0x68(%rbp),%esi
lea    0xe81(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x64(%rbp)
mov    -0x64(%rbp),%eax
cmp    -0x68(%rbp),%eax
jge    11e7 <main+0xa7>
movslq -0x64(%rbp),%rax
lea    -0x60(%rbp),%rsi
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe4e(%rip),%rdi
call   1060 <scanf@plt>
mov    -0x64(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x64(%rbp)
jmp    11b2 <main+0x72>
lea    0xe4c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x60(%rbp),%rdi
mov    -0x68(%rbp),%esi
call   1040 <print@plt>
lea    -0x60(%rbp),%rdi
mov    -0x68(%rbp),%esi
call   1050 <radixsort@plt>
lea    0xe31(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x60(%rbp),%rdi
mov    -0x68(%rbp),%esi
call   1040 <print@plt>
lea    0xe22(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x70,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x60,%rsp
lea    0xea0(%rip),%rdi
mov    $0x14,%ebx
mov    $0x14,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeaa(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1070 <scanf@plt>
mov    0xc(%rsp),%eax
cmp    $0x14,%eax
cmovl  %eax,%ebx
mov    %ebx,0xc(%rsp)
lea    0xe8e(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
cmpl   $0x0,0xc(%rsp)
jle    11dd <main+0x8d>
lea    0x10(%rsp),%r15
xor    %ebx,%ebx
lea    0xe6d(%rip),%r14
cs nopw 0x0(%rax,%rax,1)
nop
mov    %r14,%rdi
mov    %r15,%rsi
call   1070 <scanf@plt>
add    $0x1,%rbx
movslq 0xc(%rsp),%rax
add    $0x4,%r15
cmp    %rax,%rbx
jl     11c0 <main+0x70>
lea    0xe56(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rsp),%esi
lea    0x10(%rsp),%rbx
mov    %rbx,%rdi
call   1050 <print@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
call   1060 <radixsort@plt>
lea    0xe36(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
call   1050 <print@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x60,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

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

LLVM IR (-O2):
@.str = [34 x i8] c"Enter total elements (n <= %d) : \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [21 x i8] c"Enter %d Elements : \00"
@.str.3 = [11 x i8] c"\0AARRAY : \00"
@.str.4 = [11 x i8] c"\0ASORTED : \00"
define i32 @main() {
%1 = alloca [20 x i32]
%2 = alloca i32
%3 = bitcast [20 x i32]* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 20)
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%7 = load i32, i32* %2
%8 = icmp slt i32 %7, 20
%9 = select i1 %8, i32 %7, i32 20
store i32 %9, i32* %2
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0), i32 %9)
%11 = load i32, i32* %2
%12 = icmp sgt i32 %11, 0
br i1 %12, label %13, label %21
13: ; preds = %0, %13
%14 = phi i64 [ %17, %13 ], [ 0, %0 ]
%15 = getelementptr inbounds [20 x i32], [20 x i32]* %1, i64 0, i64 %14
%16 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %15)
%17 = add nuw nsw i64 %14, 1
%18 = load i32, i32* %2
%19 = sext i32 %18 to i64
%20 = icmp slt i64 %17, %19
br i1 %20, label %13, label %21
21: ; preds = %13, %0
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%23 = getelementptr inbounds [20 x i32], [20 x i32]* %1, i64 0, i64 0
%24 = load i32, i32* %2
%25 = call i32 @print(i32* %23, i32 %24)
%26 = load i32, i32* %2
%27 = call i32 @radixsort(i32* %23, i32 %26)
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.4, i64 0, i64 0))
%29 = load i32, i32* %2
%30 = call i32 @print(i32* %23, i32 %29)
%31 = call i32 @putchar(i32 10)
ret i32 0
}