#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*/ print_n(char, int);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ scanf(char *, ...);
int main(int argc, char **argv) {
  char c;
  int n;
  printf("What character do you want to print?\n> ");
  scanf(" %c", &c);
  printf("\nAnd how many times do you want to print it?\n> ");
  scanf("%d", &n);
  printf("\n");
  print_n(c, n);
  print_n('\n', 1);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeb3(%rip),%rdi
call   1030 <printf@plt>
lea    0xecf(%rip),%rdi
lea    -0x11(%rbp),%rsi
mov    $0x0,%al
call   1050 <scanf@plt>
lea    0xec1(%rip),%rdi
call   1030 <printf@plt>
lea    0xee5(%rip),%rdi
lea    -0x18(%rbp),%rsi
mov    $0x0,%al
call   1050 <scanf@plt>
lea    0xed6(%rip),%rdi
call   1030 <printf@plt>
mov    -0x11(%rbp),%al
mov    -0x18(%rbp),%esi
movsbl %al,%edi
call   1040 <print_n@plt>
mov    $0xa,%edi
mov    $0x1,%esi
call   1040 <print_n@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeb8(%rip),%rdi
call   1040 <printf@plt>
lea    0xed4(%rip),%rdi
lea    0x3(%rsp),%rsi
xor    %eax,%eax
call   1060 <scanf@plt>
lea    0xec5(%rip),%rdi
call   1040 <printf@plt>
lea    0xee9(%rip),%rdi
lea    0x4(%rsp),%rsi
xor    %eax,%eax
call   1060 <scanf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
movsbl 0x3(%rsp),%edi
mov    0x4(%rsp),%esi
call   1050 <print_n@plt>
mov    $0xa,%edi
mov    $0x1,%esi
call   1050 <print_n@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [40 x i8] c"What character do you want to print?\0A> \00"
@.str.1 = [4 x i8] c" %c\00"
@.str.2 = [48 x i8] c"\0AAnd how many times do you want to print it?\0A> \00"
@.str.3 = [3 x i8] c"%d\00"
@.str.4 = [2 x i8] c"\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i8
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = call i32 @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str, i64 0, i64 0))
%9 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i8* %6)
%10 = call i32 @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.2, i64 0, i64 0))
%11 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %7)
%12 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%13 = load i8, i8* %6
%14 = load i32, i32* %7
%15 = call i32 @print_n(i8 signext %13, i32 %14)
%16 = call i32 @print_n(i8 signext 10, i32 1)
ret i32 0
}

LLVM IR (-O2):
@.str = [40 x i8] c"What character do you want to print?\0A> \00"
@.str.1 = [4 x i8] c" %c\00"
@.str.2 = [48 x i8] c"\0AAnd how many times do you want to print it?\0A> \00"
@.str.3 = [3 x i8] c"%d\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i8
%4 = alloca i32
%5 = bitcast i32* %4 to i8*
%6 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @.str, i64 0, i64 0))
%7 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i8* %3)
%8 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @.str.2, i64 0, i64 0))
%9 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %4)
%10 = call i32 @putchar(i32 10)
%11 = load i8, i8* %3
%12 = load i32, i32* %4
%13 = call i32 @print_n(i8 signext %11, i32 %12)
%14 = call i32 @print_n(i8 signext 10, i32 1)
ret i32 0
}