#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*/ array;

/* Variables and functions */
int /*<<< orphan*/ printf(char *, int);
int /*<<< orphan*/ reset(int *, int);
int main() {
  int array[] = {1, 2, 3, 4, 5};
  int len = sizeof(array);
  reset(array, len);
  int i;
  for (i = 0; i < 5; ++i)
    printf("%d\n", array[i]);
  for (i = 0; i < 5; ++i)
    array[i] = i + 1;
  while (len > 0)
    ((char *)array)[--len] = 0;
  for (i = 0; i < 5; ++i)
    printf("%d\n", array[i]);
  return 0;
}


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    0xec5(%rip),%eax
mov    %eax,-0x10(%rbp)
movl   $0x14,-0x24(%rbp)
lea    -0x20(%rbp),%rdi
mov    -0x24(%rbp),%esi
call   1040 <reset@plt>
movl   $0x0,-0x28(%rbp)
cmpl   $0x5,-0x28(%rbp)
jge    1194 <main+0x74>
movslq -0x28(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%esi
lea    0xe93(%rip),%rdi
call   1030 <printf@plt>
mov    -0x28(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x28(%rbp)
jmp    1168 <main+0x48>
movl   $0x0,-0x28(%rbp)
cmpl   $0x5,-0x28(%rbp)
jge    11c1 <main+0xa1>
mov    -0x28(%rbp),%ecx
add    $0x1,%ecx
movslq -0x28(%rbp),%rax
mov    %ecx,-0x20(%rbp,%rax,4)
mov    -0x28(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x28(%rbp)
jmp    119b <main+0x7b>
jmp    11c6 <main+0xa6>
cmpl   $0x0,-0x24(%rbp)
jle    11e5 <main+0xc5>
mov    -0x24(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x24(%rbp)
cltq
movb   $0x0,-0x20(%rbp,%rax,1)
jmp    11c6 <main+0xa6>
movl   $0x0,-0x28(%rbp)
cmpl   $0x5,-0x28(%rbp)
jge    1218 <main+0xf8>
movslq -0x28(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%esi
lea    0xe0f(%rip),%rdi
call   1030 <printf@plt>
mov    -0x28(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x28(%rbp)
jmp    11ec <main+0xcc>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x20,%rsp
mov    0xee5(%rip),%eax
mov    %eax,0x10(%rsp)
movaps 0xeca(%rip),%xmm0
movaps %xmm0,(%rsp)
mov    %rsp,%rdi
mov    $0x14,%esi
call   1040 <reset@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>
xorps  %xmm0,%xmm0
movaps %xmm0,(%rsp)
movl   $0x0,0x10(%rsp)
mov    %rbx,%rdi
xor    %esi,%esi
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>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.array = [5 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5]
@.str = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [5 x i32]
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = bitcast [5 x i32]* %2 to i8*
store i32 20, i32* %3
%6 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 0
%7 = load i32, i32* %3
%8 = call i32 @reset(i32* %6, i32 %7)
store i32 0, i32* %4
br label %9
9: ; preds = %18, %0
%10 = load i32, i32* %4
%11 = icmp slt i32 %10, 5
br i1 %11, label %12, label %21
12: ; preds = %9
%13 = load i32, i32* %4
%14 = sext i32 %13 to i64
%15 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 %14
%16 = load i32, i32* %15
%17 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %16)
br label %18
18: ; preds = %12
%19 = load i32, i32* %4
%20 = add nsw i32 %19, 1
store i32 %20, i32* %4
br label %9
21: ; preds = %9
store i32 0, i32* %4
br label %22
22: ; preds = %31, %21
%23 = load i32, i32* %4
%24 = icmp slt i32 %23, 5
br i1 %24, label %25, label %34
25: ; preds = %22
%26 = load i32, i32* %4
%27 = add nsw i32 %26, 1
%28 = load i32, i32* %4
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 %29
store i32 %27, i32* %30
br label %31
31: ; preds = %25
%32 = load i32, i32* %4
%33 = add nsw i32 %32, 1
store i32 %33, i32* %4
br label %22
34: ; preds = %22
br label %35
35: ; preds = %38, %34
%36 = load i32, i32* %3
%37 = icmp sgt i32 %36, 0
br i1 %37, label %38, label %45
38: ; preds = %35
%39 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 0
%40 = bitcast i32* %39 to i8*
%41 = load i32, i32* %3
%42 = add nsw i32 %41, -1
store i32 %42, i32* %3
%43 = sext i32 %42 to i64
%44 = getelementptr inbounds i8, i8* %40, i64 %43
store i8 0, i8* %44
br label %35
45: ; preds = %35
store i32 0, i32* %4
br label %46
46: ; preds = %55, %45
%47 = load i32, i32* %4
%48 = icmp slt i32 %47, 5
br i1 %48, label %49, label %58
49: ; preds = %46
%50 = load i32, i32* %4
%51 = sext i32 %50 to i64
%52 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 %51
%53 = load i32, i32* %52
%54 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %53)
br label %55
55: ; preds = %49
%56 = load i32, i32* %4
%57 = add nsw i32 %56, 1
store i32 %57, i32* %4
br label %46
58: ; preds = %46
ret i32 0
}

LLVM IR (-O2):
@__const.main.array = [5 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5]
@.str = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca [5 x i32]
%2 = bitcast [5 x i32]* %1 to i8*
%3 = getelementptr inbounds [5 x i32], [5 x i32]* %1, i64 0, i64 0
%4 = call i32 @reset(i32* %3, i32 20)
%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 [5 x i32], [5 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 [5 x i32], [5 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 [5 x i32], [5 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 [5 x i32], [5 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 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%20 = load i32, i32* %7
%21 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %20)
%22 = load i32, i32* %10
%23 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %22)
%24 = load i32, i32* %13
%25 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %24)
%26 = load i32, i32* %16
%27 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %26)
ret i32 0
}