#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 *, int *);
int main(int argc, char const *argv[]) {
  char twitter[140];
  int tweets;
  printf("Twitter username: @");
  scanf("%s %d", twitter, &tweets);
  printf("https://twitter.com/%s (%d tweets)\n", twitter, tweets);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0xb0,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xec0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0xa0(%rbp),%rsi
lea    0xebf(%rip),%rdi
lea    -0xa4(%rbp),%rdx
call   1040 <scanf@plt>
lea    -0xa0(%rbp),%rsi
mov    -0xa4(%rbp),%edx
lea    0xea5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0xb0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0xa0,%rsp
lea    0xed1(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
lea    0x10(%rsp),%rbx
lea    0xc(%rsp),%rdx
mov    %rbx,%rsi
call   1040 <scanf@plt>
mov    0xc(%rsp),%edx
lea    0xec0(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0xa0,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"Twitter username: @\00"
@.str.1 = [6 x i8] c"%s %d\00"
@.str.2 = [36 x i8] c"https://twitter.com/%s (%d tweets)\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca [140 x i8]
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%9 = getelementptr inbounds [140 x i8], [140 x i8]* %6, i64 0, i64 0
%10 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i8* %9, i32* %7)
%11 = getelementptr inbounds [140 x i8], [140 x i8]* %6, i64 0, i64 0
%12 = load i32, i32* %7
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.2, i64 0, i64 0), i8* %11, i32 %12)
ret i32 0
}

LLVM IR (-O2):
@.str = [20 x i8] c"Twitter username: @\00"
@.str.1 = [6 x i8] c"%s %d\00"
@.str.2 = [36 x i8] c"https://twitter.com/%s (%d tweets)\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca [140 x i8]
%4 = alloca i32
%5 = getelementptr inbounds [140 x i8], [140 x i8]* %3, i64 0, i64 0
%6 = bitcast i32* %4 to i8*
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i8* %5, i32* %4)
%9 = load i32, i32* %4
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @.str.2, i64 0, i64 0), i8* %5, i32 %9)
ret i32 0
}