#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*/ create();
int /*<<< orphan*/ display();
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int m, i, j, k, n;
  printf("enter no. of nodes:");
  scanf("%d", &m);
  for (i = 0; i < m; i++)
    create();
  printf("\nlink list is:\n");
  display();
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
call   1040 <printf@plt>
lea    0xeb2(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1060 <scanf@plt>
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1193 <main+0x53>
mov    $0x0,%al
call   1050 <create@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1172 <main+0x32>
lea    0xe7d(%rip),%rdi
call   1040 <printf@plt>
mov    $0x0,%al
call   1030 <display@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xea4(%rip),%rdi
call   1050 <printf@plt>
lea    0xeac(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1070 <scanf@plt>
cmpl   $0x0,0xc(%rsp)
jle    1190 <main+0x40>
xor    %ebx,%ebx
nopl   0x0(%rax,%rax,1)
xor    %eax,%eax
call   1060 <create@plt>
add    $0x1,%ebx
cmp    0xc(%rsp),%ebx
jl     1180 <main+0x30>
lea    0xe80(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1040 <display@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"enter no. of nodes:\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [16 x i8] c"\0Alink list is:\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
store i32 0, i32* %1
%7 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
store i32 0, i32* %3
br label %9
9: ; preds = %15, %0
%10 = load i32, i32* %3
%11 = load i32, i32* %2
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %18
13: ; preds = %9
%14 = call i32 (...) @create()
br label %15
15: ; preds = %13
%16 = load i32, i32* %3
%17 = add nsw i32 %16, 1
store i32 %17, i32* %3
br label %9
18: ; preds = %9
%19 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0))
%20 = call i32 (...) @display()
ret i32 0
}

LLVM IR (-O2):
@.str = [20 x i8] c"enter no. of nodes:\00"
@.str.1 = [3 x i8] c"%d\00"
@str = [15 x i8] c"\0Alink list is:\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 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 = icmp sgt i32 %5, 0
br i1 %6, label %7, label %13
7: ; preds = %0, %7
%8 = phi i32 [ %10, %7 ], [ 0, %0 ]
%9 = call i32 (...) @create()
%10 = add nuw nsw i32 %8, 1
%11 = load i32, i32* %1
%12 = icmp slt i32 %10, %11
br i1 %12, label %7, label %13
13: ; preds = %7, %0
%14 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @str, i64 0, i64 0))
%15 = call i32 (...) @display()
ret i32 0
}