#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 isPrime(int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main(void) {
  int numToCheck, result;
  printf("Please enter a number you would like to check if it is prime: ");
  scanf("%d", &numToCheck);
  result = isPrime(numToCheck);
  if (result == 0)
    printf("The number you entered, %d, is prime!\n", numToCheck);
  else if (result == 1)
    printf("The number you entered, %d, is not prime!\n", numToCheck);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeeb(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%edi
call   1040 <isPrime@plt>
mov    %eax,-0xc(%rbp)
cmpl   $0x0,-0xc(%rbp)
jne    1188 <main+0x58>
mov    -0x8(%rbp),%esi
lea    0xec6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11a8 <main+0x78>
cmpl   $0x1,-0xc(%rbp)
jne    11a3 <main+0x73>
mov    -0x8(%rbp),%esi
lea    0xecd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11a8 <main+0x78>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xec8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xef9(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%edi
call   1040 <isPrime@plt>
cmp    $0x1,%eax
je     116f <main+0x3f>
test   %eax,%eax
jne    1181 <main+0x51>
mov    0x4(%rsp),%esi
lea    0xed5(%rip),%rdi
jmp    117a <main+0x4a>
mov    0x4(%rsp),%esi
lea    0xeef(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [63 x i8] c"Please enter a number you would like to check if it is prime: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [39 x i8] c"The number you entered, %d, is prime!\0A\00"
@.str.3 = [43 x i8] c"The number you entered, %d, is not prime!\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([63 x i8], [63 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%6 = load i32, i32* %2
%7 = call i32 @isPrime(i32 %6)
store i32 %7, i32* %3
%8 = load i32, i32* %3
%9 = icmp eq i32 %8, 0
br i1 %9, label %10, label %13
10: ; preds = %0
%11 = load i32, i32* %2
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0), i32 %11)
br label %20
13: ; preds = %0
%14 = load i32, i32* %3
%15 = icmp eq i32 %14, 1
br i1 %15, label %16, label %19
16: ; preds = %13
%17 = load i32, i32* %2
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.3, i64 0, i64 0), i32 %17)
br label %19
19: ; preds = %16, %13
br label %20
20: ; preds = %19, %10
ret i32 0
}

LLVM IR (-O2):
@.str = [63 x i8] c"Please enter a number you would like to check if it is prime: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [39 x i8] c"The number you entered, %d, is prime!\0A\00"
@.str.3 = [43 x i8] c"The number you entered, %d, is not prime!\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([63 x i8], [63 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = call i32 @isPrime(i32 %5)
switch i32 %6, label %13 [
i32 0, label %7
i32 1, label %10
]
7: ; preds = %0
%8 = load i32, i32* %1
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0), i32 %8)
br label %13
10: ; preds = %0
%11 = load i32, i32* %1
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @.str.3, i64 0, i64 0), i32 %11)
br label %13
13: ; preds = %0, %10, %7
ret i32 0
}