#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*/ list;

/* Variables and functions */
int /*<<< orphan*/ merge_sort(int *, int);
int /*<<< orphan*/ printf(char *, ...);
int main(void) {
  int list[] = {31, 12, 33, 54, 25, 76, 17, 28, 39, 10};
  int idx = 0x00, size = sizeof(list) / sizeof(int);
  merge_sort(list, size);
  printf("-------- Output -----------\n");
  for (idx = 0x00; idx < size; idx++) {
    printf("%d ", list[idx]);
  }
  printf("\n");
  return 0x00;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x30(%rbp),%rdi
lea    0xeb6(%rip),%rsi
mov    $0x28,%edx
call   1040 <memcpy@plt>
movl   $0x0,-0x34(%rbp)
movl   $0xa,-0x38(%rbp)
lea    -0x30(%rbp),%rdi
mov    -0x38(%rbp),%esi
call   1050 <merge_sort@plt>
lea    0xeb3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x34(%rbp)
mov    -0x34(%rbp),%eax
cmp    -0x38(%rbp),%eax
jge    11b3 <main+0x83>
movslq -0x34(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%esi
lea    0xea7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x34(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x34(%rbp)
jmp    1183 <main+0x53>
lea    0xe89(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x30,%rsp
mov    0xed4(%rip),%rax
mov    %rax,0x20(%rsp)
movaps 0xeb8(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xe9c(%rip),%xmm0
movaps %xmm0,(%rsp)
mov    %rsp,%rdi
mov    $0xa,%esi
call   1060 <merge_sort@plt>
lea    0xeb0(%rip),%rdi
call   1040 <puts@plt>
mov    (%rsp),%esi
lea    0xe9d(%rip),%rbx
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):
@__const.main.list = [10 x i32] [i32 31, i32 12, i32 33, i32 54, i32 25, i32 76, i32 17, i32 28, i32 39, i32 10]
@.str = [29 x i8] c"-------- Output -----------\0A\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [10 x i32]
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = bitcast [10 x i32]* %2 to i8*
store i32 0, i32* %3
store i32 10, i32* %4
%6 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 0
%7 = load i32, i32* %4
%8 = call i32 @merge_sort(i32* %6, i32 %7)
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %3
br label %10
10: ; preds = %20, %0
%11 = load i32, i32* %3
%12 = load i32, i32* %4
%13 = icmp slt i32 %11, %12
br i1 %13, label %14, label %23
14: ; preds = %10
%15 = load i32, i32* %3
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %16
%18 = load i32, i32* %17
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %14
%21 = load i32, i32* %3
%22 = add nsw i32 %21, 1
store i32 %22, i32* %3
br label %10
23: ; preds = %10
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@__const.main.list = [10 x i32] [i32 31, i32 12, i32 33, i32 54, i32 25, i32 76, i32 17, i32 28, i32 39, i32 10]
@.str.1 = [4 x i8] c"%d \00"
@str = [28 x i8] c"-------- Output -----------\00"
define i32 @main() {
%1 = alloca [10 x i32]
%2 = bitcast [10 x i32]* %1 to i8*
%3 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 0
%4 = call i32 @merge_sort(i32* %3, i32 10)
%5 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str, i64 0, i64 0))
%6 = load i32, i32* %3
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %6)
%8 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 1
%9 = load i32, i32* %8
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %9)
%11 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 2
%12 = load i32, i32* %11
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %12)
%14 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 3
%15 = load i32, i32* %14
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %15)
%17 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 4
%18 = load i32, i32* %17
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %18)
%20 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 5
%21 = load i32, i32* %20
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %21)
%23 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 6
%24 = load i32, i32* %23
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %24)
%26 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 7
%27 = load i32, i32* %26
%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 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 8
%30 = load i32, i32* %29
%31 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %30)
%32 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 9
%33 = load i32, i32* %32
%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 = call i32 @putchar(i32 10)
ret i32 0
}