#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*/ fgets(char *, int, int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ sscanf(char *, char *, int *);
int /*<<< orphan*/ stdin;
int main(int argc, char *argv[]) {
  int n, i;
  char str[128];
  printf("Emaidazu ilararen luzera: ");
  fgets(str, 128, stdin);
  sscanf(str, "%d", &n);
  for (i = 0; i < n; i++) {
    printf("*");
  }
  printf("\n");
  printf("Sakatu \"return\" amaitzeko .....");
  fgets(str, 128, stdin);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0xa0,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeb0(%rip),%rdi
call   1030 <printf@plt>
lea    -0xa0(%rbp),%rdi
mov    0x2e85(%rip),%rax
mov    (%rax),%edx
mov    $0x80,%esi
call   1040 <fgets@plt>
lea    -0xa0(%rbp),%rdi
lea    0xe9e(%rip),%rsi
lea    -0x14(%rbp),%rdx
call   1050 <sscanf@plt>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    11b3 <main+0x83>
lea    0xe7e(%rip),%rdi
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    118d <main+0x5d>
lea    0xe66(%rip),%rdi
call   1030 <printf@plt>
lea    0xe5c(%rip),%rdi
call   1030 <printf@plt>
lea    -0xa0(%rbp),%rdi
mov    0x2e0f(%rip),%rax
mov    (%rax),%edx
mov    $0x80,%esi
call   1040 <fgets@plt>
xor    %eax,%eax
add    $0xa0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x98,%rsp
lea    0xeaf(%rip),%rdi
call   1040 <printf@plt>
mov    0x2e8b(%rip),%r14
mov    (%r14),%edx
lea    0x10(%rsp),%rbx
mov    %rbx,%rdi
mov    $0x80,%esi
call   1050 <fgets@plt>
lea    0xea2(%rip),%rsi
lea    0xc(%rsp),%rdx
mov    %rbx,%rdi
call   1060 <sscanf@plt>
cmpl   $0x0,0xc(%rsp)
jle    11a3 <main+0x63>
xor    %ebx,%ebx
nop
mov    $0x2a,%edi
call   1030 <putchar@plt>
add    $0x1,%ebx
cmp    0xc(%rsp),%ebx
jl     1190 <main+0x50>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xe6a(%rip),%rdi
call   1040 <printf@plt>
mov    (%r14),%edx
lea    0x10(%rsp),%rdi
mov    $0x80,%esi
call   1050 <fgets@plt>
xor    %eax,%eax
add    $0x98,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [27 x i8] c"Emaidazu ilararen luzera: \00"
@stdin = global i32 0
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [2 x i8] c"*\00"
@.str.3 = [2 x i8] c"\0A\00"
@.str.4 = [32 x i8] c"Sakatu \22return\22 amaitzeko .....\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca [128 x i8]
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%9 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%10 = getelementptr inbounds [128 x i8], [128 x i8]* %8, i64 0, i64 0
%11 = load i32, i32* @stdin
%12 = call i32 @fgets(i8* %10, i32 128, i32 %11)
%13 = getelementptr inbounds [128 x i8], [128 x i8]* %8, i64 0, i64 0
%14 = call i32 @sscanf(i8* %13, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %6)
store i32 0, i32* %7
br label %15
15: ; preds = %21, %2
%16 = load i32, i32* %7
%17 = load i32, i32* %6
%18 = icmp slt i32 %16, %17
br i1 %18, label %19, label %24
19: ; preds = %15
%20 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
br label %21
21: ; preds = %19
%22 = load i32, i32* %7
%23 = add nsw i32 %22, 1
store i32 %23, i32* %7
br label %15
24: ; preds = %15
%25 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%26 = call i32 @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.4, i64 0, i64 0))
%27 = getelementptr inbounds [128 x i8], [128 x i8]* %8, i64 0, i64 0
%28 = load i32, i32* @stdin
%29 = call i32 @fgets(i8* %27, i32 128, i32 %28)
ret i32 0
}

LLVM IR (-O2):
@.str = [27 x i8] c"Emaidazu ilararen luzera: \00"
@stdin = global i32 0
@.str.1 = [3 x i8] c"%d\00"
@.str.4 = [32 x i8] c"Sakatu \22return\22 amaitzeko .....\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = alloca [128 x i8]
%5 = bitcast i32* %3 to i8*
%6 = getelementptr inbounds [128 x i8], [128 x i8]* %4, i64 0, i64 0
%7 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%8 = load i32, i32* @stdin
%9 = call i32 @fgets(i8* %6, i32 128, i32 %8)
%10 = call i32 @sscanf(i8* %6, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%11 = load i32, i32* %3
%12 = icmp sgt i32 %11, 0
br i1 %12, label %13, label %19
13: ; preds = %2, %13
%14 = phi i32 [ %16, %13 ], [ 0, %2 ]
%15 = call i32 @putchar(i32 42)
%16 = add nuw nsw i32 %14, 1
%17 = load i32, i32* %3
%18 = icmp slt i32 %16, %17
br i1 %18, label %13, label %19
19: ; preds = %13, %2
%20 = call i32 @putchar(i32 10)
%21 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.4, i64 0, i64 0))
%22 = load i32, i32* @stdin
%23 = call i32 @fgets(i8* %6, i32 128, i32 %22)
ret i32 0
}