#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 *, int *, int *);
int main(void) {
  int i1, i2;
  printf("Enter two numbers to be used for division: ");
  scanf("%i%i", &i1, &i2);
  if (i2 == 0)
    printf("Incorrect input, the second number is not allowed to be "
           "zero.");
  else
    printf("%i / %i = %.3f", i1, i2, (float)i1 / i2);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee8(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
call   1040 <scanf@plt>
cmpl   $0x0,-0xc(%rbp)
jne    116e <main+0x4e>
lea    0xecf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1194 <main+0x74>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
cvtsi2ssl -0x8(%rbp),%xmm0
cvtsi2ssl -0xc(%rbp),%xmm1
divss  %xmm1,%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xee2(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1040 <scanf@plt>
mov    (%rsp),%edx
test   %edx,%edx
je     116e <main+0x4e>
mov    0x4(%rsp),%esi
cvtsi2ss %esi,%xmm0
cvtsi2ss %edx,%xmm1
divss  %xmm1,%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xf0a(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
jmp    117c <main+0x5c>
lea    0xebc(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [44 x i8] c"Enter two numbers to be used for division: \00"
@.str.1 = [5 x i8] c"%i%i\00"
@.str.2 = [62 x i8] c"Incorrect input, the second number is not allowed to be zero.\00"
@.str.3 = [15 x i8] c"%i / %i = %.3f\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 ([44 x i8], [44 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32* %2, i32* %3)
%6 = load i32, i32* %3
%7 = icmp eq i32 %6, 0
br i1 %7, label %8, label %10
8: ; preds = %0
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.2, i64 0, i64 0))
br label %20
10: ; preds = %0
%11 = load i32, i32* %2
%12 = load i32, i32* %3
%13 = load i32, i32* %2
%14 = sitofp i32 %13 to float
%15 = load i32, i32* %3
%16 = sitofp i32 %15 to float
%17 = fdiv float %14, %16
%18 = fpext float %17 to double
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i32 %11, i32 %12, double %18)
br label %20
20: ; preds = %10, %8
ret i32 0
}

LLVM IR (-O2):
@.str = [44 x i8] c"Enter two numbers to be used for division: \00"
@.str.1 = [5 x i8] c"%i%i\00"
@.str.2 = [62 x i8] c"Incorrect input, the second number is not allowed to be zero.\00"
@.str.3 = [15 x i8] c"%i / %i = %.3f\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32* %1, i32* %2)
%7 = load i32, i32* %2
%8 = icmp eq i32 %7, 0
br i1 %8, label %9, label %11
9: ; preds = %0
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([62 x i8], [62 x i8]* @.str.2, i64 0, i64 0))
br label %18
11: ; preds = %0
%12 = load i32, i32* %1
%13 = sitofp i32 %12 to float
%14 = sitofp i32 %7 to float
%15 = fdiv float %13, %14
%16 = fpext float %15 to double
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i32 %12, i32 %7, double %16)
br label %18
18: ; preds = %11, %9
ret i32 0
}