#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 */
scalar_t__ calloc(int, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int i, n;
  int *a;
  printf("Number of elements to be entered:\n");
  scanf("%d", &n);
  a = (int *)calloc(n, sizeof(int));
  printf("Enter %d numbers:\n", n);
  for (i = 0; i < n; i++)
    scanf("%d", &a[i]);
  printf("The numbers entered are: \n");
  for (i = 0; i < n; i++)
    printf("%d ", a[i]);
  return (0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xecf(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0xc(%rbp),%edi
mov    $0x4,%esi
call   1040 <calloc@plt>
mov    %rax,-0x18(%rbp)
mov    -0xc(%rbp),%esi
lea    0xeae(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11bb <main+0x8b>
mov    -0x18(%rbp),%rsi
movslq -0x8(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe7b(%rip),%rdi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1186 <main+0x56>
lea    0xe77(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1203 <main+0xd3>
mov    -0x18(%rbp),%rax
movslq -0x8(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe66(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    11d0 <main+0xa0>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
lea    0xecb(%rip),%rdi
call   1030 <puts@plt>
lea    0xea5(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1060 <scanf@plt>
mov    0x4(%rsp),%edi
mov    $0x4,%esi
call   1050 <calloc@plt>
mov    %rax,%r15
mov    0x4(%rsp),%esi
lea    0xe82(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
cmpl   $0x0,0x4(%rsp)
jle    11bd <main+0x7d>
xor    %r12d,%r12d
lea    0xe67(%rip),%r14
mov    %r15,%rbx
nopl   0x0(%rax)
mov    %r14,%rdi
mov    %rbx,%rsi
call   1060 <scanf@plt>
add    $0x1,%r12
movslq 0x4(%rsp),%rax
add    $0x4,%rbx
cmp    %rax,%r12
jl     11a0 <main+0x60>
lea    0xe78(%rip),%rdi
call   1030 <puts@plt>
cmpl   $0x0,0x4(%rsp)
jle    11fc <main+0xbc>
lea    0xe3f(%rip),%r14
xor    %ebx,%ebx
nopl   0x0(%rax)
mov    (%r15,%rbx,4),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
movslq 0x4(%rsp),%rax
cmp    %rax,%rbx
jl     11e0 <main+0xa0>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [35 x i8] c"Number of elements to be entered:\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [19 x i8] c"Enter %d numbers:\0A\00"
@.str.3 = [27 x i8] c"The numbers entered are: \0A\00"
@.str.4 = [4 x i8] c"%d \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32*
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%7 = load i32, i32* %3
%8 = call i64 @calloc(i32 %7, i32 4)
%9 = inttoptr i64 %8 to i32*
store i32* %9, i32** %4
%10 = load i32, i32* %3
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.2, i64 0, i64 0), i32 %10)
store i32 0, i32* %2
br label %12
12: ; preds = %22, %0
%13 = load i32, i32* %2
%14 = load i32, i32* %3
%15 = icmp slt i32 %13, %14
br i1 %15, label %16, label %25
16: ; preds = %12
%17 = load i32*, i32** %4
%18 = load i32, i32* %2
%19 = sext i32 %18 to i64
%20 = getelementptr inbounds i32, i32* %17, i64 %19
%21 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %20)
br label %22
22: ; preds = %16
%23 = load i32, i32* %2
%24 = add nsw i32 %23, 1
store i32 %24, i32* %2
br label %12
25: ; preds = %12
%26 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0))
store i32 0, i32* %2
br label %27
27: ; preds = %38, %25
%28 = load i32, i32* %2
%29 = load i32, i32* %3
%30 = icmp slt i32 %28, %29
br i1 %30, label %31, label %41
31: ; preds = %27
%32 = load i32*, i32** %4
%33 = load i32, i32* %2
%34 = sext i32 %33 to i64
%35 = getelementptr inbounds i32, i32* %32, i64 %34
%36 = load i32, i32* %35
%37 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i32 %36)
br label %38
38: ; preds = %31
%39 = load i32, i32* %2
%40 = add nsw i32 %39, 1
store i32 %40, i32* %2
br label %27
41: ; preds = %27
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [19 x i8] c"Enter %d numbers:\0A\00"
@.str.4 = [4 x i8] c"%d \00"
@str = [34 x i8] c"Number of elements to be entered:\00"
@str.5 = [26 x i8] c"The numbers entered are: \00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = call i64 @calloc(i32 %5, i32 4)
%7 = inttoptr i64 %6 to i32*
%8 = load i32, i32* %1
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.2, i64 0, i64 0), i32 %8)
%10 = load i32, i32* %1
%11 = icmp sgt i32 %10, 0
br i1 %11, label %12, label %20
12: ; preds = %0, %12
%13 = phi i64 [ %16, %12 ], [ 0, %0 ]
%14 = getelementptr inbounds i32, i32* %7, i64 %13
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %14)
%16 = add nuw nsw i64 %13, 1
%17 = load i32, i32* %1
%18 = sext i32 %17 to i64
%19 = icmp slt i64 %16, %18
br i1 %19, label %12, label %20
20: ; preds = %12, %0
%21 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.5, i64 0, i64 0))
%22 = load i32, i32* %1
%23 = icmp sgt i32 %22, 0
br i1 %23, label %24, label %33
24: ; preds = %20, %24
%25 = phi i64 [ %29, %24 ], [ 0, %20 ]
%26 = getelementptr inbounds i32, i32* %7, i64 %25
%27 = load i32, i32* %26
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i32 %27)
%29 = add nuw nsw i64 %25, 1
%30 = load i32, i32* %1
%31 = sext i32 %30 to i64
%32 = icmp slt i64 %29, %31
br i1 %32, label %24, label %33
33: ; preds = %24, %20
ret i32 0
}