#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*/ scanf(char *, char *);
void scanf_t() {
  char str1[20], str2[30];
  printf("Enter name: ");
  scanf("%s", str1);
  printf("Enter your website name: ");
  scanf("%s", str2);
  printf("Entered Name: %s\n", str1);
  printf("Entered Website:%s", str2);
}


x86 assembly (clang, -O0):
<scanf_t>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
lea    0xed1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x20(%rbp),%rsi
lea    0xf08(%rip),%rdi
call   1040 <scanf@plt>
lea    0xec0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x40(%rbp),%rsi
lea    0xeea(%rip),%rdi
call   1040 <scanf@plt>
lea    -0x20(%rbp),%rsi
lea    0xeb8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x40(%rbp),%rsi
lea    0xeb8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<scanf_t>:
push   %r15
push   %r14
push   %rbx
sub    $0x40,%rsp
lea    0xed0(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xf0b(%rip),%rbx
mov    %rsp,%r14
mov    %rbx,%rdi
mov    %r14,%rsi
call   1040 <scanf@plt>
lea    0xeba(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0x20(%rsp),%r15
mov    %rbx,%rdi
mov    %r15,%rsi
call   1040 <scanf@plt>
lea    0xeb6(%rip),%rdi
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeb7(%rip),%rdi
mov    %r15,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
add    $0x40,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [13 x i8] c"Enter name: \00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [26 x i8] c"Enter your website name: \00"
@.str.3 = [18 x i8] c"Entered Name: %s\0A\00"
@.str.4 = [19 x i8] c"Entered Website:%s\00"
define void @scanf_t() {
%1 = alloca [20 x i8]
%2 = alloca [30 x i8]
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%4 = getelementptr inbounds [20 x i8], [20 x i8]* %1, i64 0, i64 0
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %4)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.2, i64 0, i64 0))
%7 = getelementptr inbounds [30 x i8], [30 x i8]* %2, i64 0, i64 0
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %7)
%9 = getelementptr inbounds [20 x i8], [20 x i8]* %1, i64 0, i64 0
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0), i8* %9)
%11 = getelementptr inbounds [30 x i8], [30 x i8]* %2, i64 0, i64 0
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0), i8* %11)
ret void
}

LLVM IR (-O2):
@.str = [13 x i8] c"Enter name: \00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [26 x i8] c"Enter your website name: \00"
@.str.3 = [18 x i8] c"Entered Name: %s\0A\00"
@.str.4 = [19 x i8] c"Entered Website:%s\00"
define void @scanf_t() {
%1 = alloca [20 x i8]
%2 = alloca [30 x i8]
%3 = getelementptr inbounds [20 x i8], [20 x i8]* %1, i64 0, i64 0
%4 = getelementptr inbounds [30 x i8], [30 x i8]* %2, i64 0, i64 0
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 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), i8* %3)
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %4)
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0), i8* %3)
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0), i8* %4)
ret void
}