#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*/ repChar(char, int);
int /*<<< orphan*/ scanf(char *, ...);
int main() {
  int n;
  char c;
  printf("Please input character to repeat: ");
  scanf("%c", &c);
  printf("Please input number of repititions: ");
  scanf("%d", &n);
  printf("\n");
  repChar(c, n);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
call   1040 <printf@plt>
lea    0xed1(%rip),%rdi
lea    -0x9(%rbp),%rsi
mov    $0x0,%al
call   1050 <scanf@plt>
lea    0xec2(%rip),%rdi
call   1040 <printf@plt>
lea    0xedb(%rip),%rdi
lea    -0x8(%rbp),%rsi
mov    $0x0,%al
call   1050 <scanf@plt>
lea    0xecc(%rip),%rdi
call   1040 <printf@plt>
mov    -0x9(%rbp),%al
mov    -0x8(%rbp),%esi
movsbl %al,%edi
call   1030 <repChar@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeb8(%rip),%rdi
call   1050 <printf@plt>
lea    0xecf(%rip),%rdi
lea    0x3(%rsp),%rsi
xor    %eax,%eax
call   1060 <scanf@plt>
lea    0xebf(%rip),%rdi
call   1050 <printf@plt>
lea    0xed8(%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   1040 <repChar@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [35 x i8] c"Please input character to repeat: \00"
@.str.1 = [3 x i8] c"%c\00"
@.str.2 = [37 x i8] c"Please input number of repititions: \00"
@.str.3 = [3 x i8] c"%d\00"
@.str.4 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i8
store i32 0, i32* %1
%4 = call i32 @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%5 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %3)
%6 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %2)
%8 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%9 = load i8, i8* %3
%10 = load i32, i32* %2
%11 = call i32 @repChar(i8 signext %9, i32 %10)
ret i32 0
}

LLVM IR (-O2):
@.str = [35 x i8] c"Please input character to repeat: \00"
@.str.1 = [3 x i8] c"%c\00"
@.str.2 = [37 x i8] c"Please input number of repititions: \00"
@.str.3 = [3 x i8] c"%d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8
%3 = bitcast i32* %1 to i8*
%4 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%5 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %2)
%6 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %1)
%8 = call i32 @putchar(i32 10)
%9 = load i8, i8* %2
%10 = load i32, i32* %1
%11 = call i32 @repChar(i8 signext %9, i32 %10)
ret i32 0
}