#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*/ merge_sort(int *, int);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char *argv[]) {
  int nums[7] = {6, 3, 7, 2, 1, 5, 4};
  merge_sort(nums, 7);
  for (int i = 0; i < 7; printf(" %d", nums[i]), i++) {
  }
  printf("\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)
mov    0xec3(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    0xec0(%rip),%rax
mov    %rax,-0x28(%rbp)
mov    0xebd(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    0xebb(%rip),%eax
mov    %eax,-0x18(%rbp)
lea    -0x30(%rbp),%rdi
mov    $0x7,%esi
call   1040 <merge_sort@plt>
movl   $0x0,-0x34(%rbp)
cmpl   $0x7,-0x34(%rbp)
jge    11a8 <main+0x88>
jmp    1184 <main+0x64>
movslq -0x34(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%esi
lea    0xe89(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x34(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x34(%rbp)
jmp    1175 <main+0x55>
lea    0xe71(%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    $0x20,%rsp
movups 0xed0(%rip),%xmm0
movups %xmm0,0xc(%rsp)
movaps 0xeb8(%rip),%xmm0
movaps %xmm0,(%rsp)
mov    %rsp,%rdi
mov    $0x7,%esi
call   1050 <merge_sort@plt>
mov    (%rsp),%esi
lea    0xeb9(%rip),%rbx
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    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbx
ret

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

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