#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*/ printf(char *, ...);
int /*<<< orphan*/ reverse(int *, int *, int);
int main(void) {
  int x[5] = {1, 2, 3, 4, 5};
  int y[5];
  int n = 5, i;
  for (i = 0; i < n; i++)
    printf("%d ", x[i]);
  printf("\n");
  reverse(x, y, n);
  for (i = 0; i < n; i++)
    printf("%d ", y[i]);
  printf("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x50,%rsp
movl   $0x0,-0x4(%rbp)
mov    0xeca(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    0xec7(%rip),%rax
mov    %rax,-0x18(%rbp)
mov    0xec5(%rip),%eax
mov    %eax,-0x10(%rbp)
movl   $0x5,-0x44(%rbp)
movl   $0x0,-0x48(%rbp)
mov    -0x48(%rbp),%eax
cmp    -0x44(%rbp),%eax
jge    118c <main+0x6c>
movslq -0x48(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%esi
lea    0xe9d(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x48(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x48(%rbp)
jmp    115c <main+0x3c>
lea    0xe85(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    -0x20(%rbp),%rdi
lea    -0x40(%rbp),%rsi
mov    -0x44(%rbp),%edx
call   1030 <reverse@plt>
movl   $0x0,-0x48(%rbp)
mov    -0x48(%rbp),%eax
cmp    -0x44(%rbp),%eax
jge    11e1 <main+0xc1>
movslq -0x48(%rbp),%rax
mov    -0x40(%rbp,%rax,4),%esi
lea    0xe48(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x48(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x48(%rbp)
jmp    11b1 <main+0x91>
lea    0xe30(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x50,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x40,%rsp
mov    0xed5(%rip),%eax
mov    %eax,0x30(%rsp)
movaps 0xeba(%rip),%xmm0
movaps %xmm0,0x20(%rsp)
lea    0xec2(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1040 <putchar@plt>
lea    0x20(%rsp),%rdi
mov    %rsp,%rsi
mov    $0x5,%edx
call   1030 <reverse@plt>
mov    (%rsp),%esi
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    $0xa,%edi
call   1040 <putchar@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbx
ret

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