#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*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
scalar_t__ malloc(int);
int /*<<< orphan*/ stderr;
char *allocate_char_1D(int n_X) {
  int i;
  char *array = (char *)malloc((n_X + 1) * sizeof(char));
  if (array == NULL) {
    fprintf(stderr, "PE: Memory allocation fails!\n");
    exit(1);
  }
  for (i = 0; i < n_X; i++) {
    array[i] = '0';
  }
  array[n_X] = '\0';
  return (array);
}


x86 assembly (clang, -O0):
<allocate_char_1D>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x1,%eax
cltq
shl    $0x0,%rax
mov    %eax,%edi
call   1040 <malloc@plt>
mov    %rax,-0x10(%rbp)
cmpq   $0x0,-0x10(%rbp)
jne    117c <allocate_char_1D+0x4c>
mov    0x2e7c(%rip),%rax
mov    (%rax),%edi
lea    0xe93(%rip),%rsi
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    11a9 <allocate_char_1D+0x79>
mov    -0x10(%rbp),%rax
movslq -0x8(%rbp),%rcx
movb   $0x30,(%rax,%rcx,1)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1183 <allocate_char_1D+0x53>
mov    -0x10(%rbp),%rax
movslq -0x4(%rbp),%rcx
movb   $0x0,(%rax,%rcx,1)
mov    -0x10(%rbp),%rax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<allocate_char_1D>:
push   %r14
push   %rbx
push   %rax
mov    %edi,%r14d
lea    0x1(%r14),%edi
call   1050 <malloc@plt>
test   %rax,%rax
je     117f <allocate_char_1D+0x3f>
mov    %rax,%rbx
test   %r14d,%r14d
jle    116d <allocate_char_1D+0x2d>
mov    %r14d,%edx
mov    %rbx,%rdi
mov    $0x30,%esi
call   1030 <memset@plt>
movslq %r14d,%rax
movb   $0x0,(%rbx,%rax,1)
mov    %rbx,%rax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret
mov    0x2e5a(%rip),%rax
mov    (%rax),%edi
lea    0xe71(%rip),%rsi
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [30 x i8] c"PE: Memory allocation fails!\0A\00"
define i8* @allocate_char_1D(i32 %0) {
%2 = alloca i32
%3 = alloca i32
%4 = alloca i8*
store i32 %0, i32* %2
%5 = load i32, i32* %2
%6 = add nsw i32 %5, 1
%7 = sext i32 %6 to i64
%8 = mul i64 %7, 1
%9 = trunc i64 %8 to i32
%10 = call i64 @malloc(i32 %9)
%11 = inttoptr i64 %10 to i8*
store i8* %11, i8** %4
%12 = load i8*, i8** %4
%13 = icmp eq i8* %12, null
br i1 %13, label %14, label %18
14: ; preds = %1
%15 = load i32, i32* @stderr
%16 = call i32 @fprintf(i32 %15, i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str, i64 0, i64 0))
%17 = call i32 @exit(i32 1)
unreachable
18: ; preds = %1
store i32 0, i32* %3
br label %19
19: ; preds = %28, %18
%20 = load i32, i32* %3
%21 = load i32, i32* %2
%22 = icmp slt i32 %20, %21
br i1 %22, label %23, label %31
23: ; preds = %19
%24 = load i8*, i8** %4
%25 = load i32, i32* %3
%26 = sext i32 %25 to i64
%27 = getelementptr inbounds i8, i8* %24, i64 %26
store i8 48, i8* %27
br label %28
28: ; preds = %23
%29 = load i32, i32* %3
%30 = add nsw i32 %29, 1
store i32 %30, i32* %3
br label %19
31: ; preds = %19
%32 = load i8*, i8** %4
%33 = load i32, i32* %2
%34 = sext i32 %33 to i64
%35 = getelementptr inbounds i8, i8* %32, i64 %34
store i8 0, i8* %35
%36 = load i8*, i8** %4
ret i8* %36
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [30 x i8] c"PE: Memory allocation fails!\0A\00"
define i8* @allocate_char_1D(i32 %0) {
%2 = add nsw i32 %0, 1
%3 = tail call i64 @malloc(i32 %2)
%4 = inttoptr i64 %3 to i8*
%5 = icmp eq i64 %3, 0
br i1 %5, label %10, label %6
6: ; preds = %1
%7 = icmp sgt i32 %0, 0
br i1 %7, label %8, label %14
8: ; preds = %6
%9 = zext i32 %0 to i64
br label %14
10: ; preds = %1
%11 = load i32, i32* @stderr
%12 = tail call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str, i64 0, i64 0))
%13 = tail call i32 @exit(i32 1)
unreachable
14: ; preds = %8, %6
%15 = sext i32 %0 to i64
%16 = getelementptr inbounds i8, i8* %4, i64 %15
store i8 0, i8* %16
ret i8* %4
}