#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 *, char *);
int main() {
  char mot1[8];
  char mot2[5];
  scanf("%s %s", mot1, mot2);
  printf("%s %s\n", mot1, mot2);
  mot1[3] = '\0';
  printf("%s\n", mot1);
  int nb = 1234;
  int *ptr_nb = &nb;
  printf("%p %d\n", ptr_nb, *ptr_nb);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0xc(%rbp),%rsi
lea    -0x11(%rbp),%rdx
lea    0xec2(%rip),%rdi
call   1040 <scanf@plt>
lea    -0xc(%rbp),%rsi
lea    -0x11(%rbp),%rdx
lea    0xeb4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movb   $0x0,-0x9(%rbp)
lea    -0xc(%rbp),%rsi
lea    0xea1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x4d2,-0x18(%rbp)
lea    -0x18(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rsi
mov    -0x20(%rbp),%rax
mov    (%rax),%edx
lea    0xe7e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x18,%rsp
lea    0xec2(%rip),%rdi
lea    0xb(%rsp),%rbx
lea    0x13(%rsp),%r14
mov    %rbx,%rsi
mov    %r14,%rdx
call   1050 <scanf@plt>
lea    0xeac(%rip),%rdi
mov    %rbx,%rsi
mov    %r14,%rdx
xor    %eax,%eax
call   1040 <printf@plt>
movb   $0x0,0xe(%rsp)
mov    %rbx,%rdi
call   1030 <puts@plt>
movl   $0x4d2,0x4(%rsp)
lea    0xe8a(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    $0x4d2,%edx
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [6 x i8] c"%s %s\00"
@.str.1 = [7 x i8] c"%s %s\0A\00"
@.str.2 = [4 x i8] c"%s\0A\00"
@.str.3 = [7 x i8] c"%p %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [8 x i8]
%3 = alloca [5 x i8]
%4 = alloca i32
%5 = alloca i32*
store i32 0, i32* %1
%6 = getelementptr inbounds [8 x i8], [8 x i8]* %2, i64 0, i64 0
%7 = getelementptr inbounds [5 x i8], [5 x i8]* %3, i64 0, i64 0
%8 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i8* %6, i8* %7)
%9 = getelementptr inbounds [8 x i8], [8 x i8]* %2, i64 0, i64 0
%10 = getelementptr inbounds [5 x i8], [5 x i8]* %3, i64 0, i64 0
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i8* %9, i8* %10)
%12 = getelementptr inbounds [8 x i8], [8 x i8]* %2, i64 0, i64 3
store i8 0, i8* %12
%13 = getelementptr inbounds [8 x i8], [8 x i8]* %2, i64 0, i64 0
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* %13)
store i32 1234, i32* %4
store i32* %4, i32** %5
%15 = load i32*, i32** %5
%16 = load i32*, i32** %5
%17 = load i32, i32* %16
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32* %15, i32 %17)
ret i32 0
}

LLVM IR (-O2):
@.str = [6 x i8] c"%s %s\00"
@.str.1 = [7 x i8] c"%s %s\0A\00"
@.str.3 = [7 x i8] c"%p %d\0A\00"
define i32 @main() {
%1 = alloca [8 x i8]
%2 = alloca [5 x i8]
%3 = alloca i32
%4 = getelementptr inbounds [8 x i8], [8 x i8]* %1, i64 0, i64 0
%5 = getelementptr inbounds [5 x i8], [5 x i8]* %2, i64 0, i64 0
%6 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i8* %4, i8* %5)
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i8* %4, i8* %5)
%8 = getelementptr inbounds [8 x i8], [8 x i8]* %1, i64 0, i64 3
store i8 0, i8* %8
%9 = call i32 @puts(i8* %4)
%10 = bitcast i32* %3 to i8*
store i32 1234, i32* %3
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32* %3, i32 1234)
ret i32 0
}