#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*/ tmp;

/* Variables and functions */
int /*<<< orphan*/ merge_sort(int *, int /*<<< orphan*/, int);
int /*<<< orphan*/ printf(char *, int);
int main() {
  int tmp[] = {2, 4, 1, 3, 7, 5};
  merge_sort(tmp, 0, sizeof(tmp) / sizeof(int) - 1);
  for (int i = 0; i < sizeof(tmp) / sizeof(int); i++) {
    printf("%d ", tmp[i]);
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    0xeca(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    0xec7(%rip),%rax
mov    %rax,-0x18(%rbp)
mov    0xec4(%rip),%rax
mov    %rax,-0x10(%rbp)
lea    -0x20(%rbp),%rdi
xor    %esi,%esi
mov    $0x5,%edx
call   1040 <merge_sort@plt>
movl   $0x0,-0x24(%rbp)
movslq -0x24(%rbp),%rax
cmp    $0x6,%rax
jae    1197 <main+0x77>
movslq -0x24(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%esi
lea    0xe94(%rip),%rdi
call   1030 <printf@plt>
mov    -0x24(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x24(%rbp)
jmp    1167 <main+0x47>
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x20,%rsp
mov    0xee4(%rip),%rax
mov    %rax,0x10(%rsp)
movaps 0xec8(%rip),%xmm0
movaps %xmm0,(%rsp)
mov    %rsp,%rdi
xor    %esi,%esi
mov    $0x5,%edx
call   1040 <merge_sort@plt>
mov    (%rsp),%esi
lea    0xec3(%rip),%rbx
mov    %rbx,%rdi
call   1030 <printf@plt>
mov    0x4(%rsp),%esi
mov    %rbx,%rdi
call   1030 <printf@plt>
mov    0x8(%rsp),%esi
mov    %rbx,%rdi
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
call   1030 <printf@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
call   1030 <printf@plt>
mov    0x14(%rsp),%esi
mov    %rbx,%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbx
ret

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

LLVM IR (-O2):
@__const.main.tmp = [6 x i32] [i32 2, i32 4, i32 1, i32 3, i32 7, i32 5]
@.str = [4 x i8] c"%d \00"
define i32 @main() {
%1 = alloca [6 x i32]
%2 = bitcast [6 x i32]* %1 to i8*
%3 = getelementptr inbounds [6 x i32], [6 x i32]* %1, i64 0, i64 0
%4 = call i32 @merge_sort(i32* %3, i32 0, i32 5)
%5 = load i32, i32* %3
%6 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = getelementptr inbounds [6 x i32], [6 x i32]* %1, i64 0, i64 1
%8 = load i32, i32* %7
%9 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %8)
%10 = getelementptr inbounds [6 x i32], [6 x i32]* %1, i64 0, i64 2
%11 = load i32, i32* %10
%12 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %11)
%13 = getelementptr inbounds [6 x i32], [6 x i32]* %1, i64 0, i64 3
%14 = load i32, i32* %13
%15 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %14)
%16 = getelementptr inbounds [6 x i32], [6 x i32]* %1, i64 0, i64 4
%17 = load i32, i32* %16
%18 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %17)
%19 = getelementptr inbounds [6 x i32], [6 x i32]* %1, i64 0, i64 5
%20 = load i32, i32* %19
%21 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %20)
ret i32 0
}