#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 *);
void main() {
  int var;
  printf("Enter a number \n");
  scanf("%d", &var);
  if (var > 9)
    printf("%d is larger than 9 \n", var);
  else if (var = 9)
    printf("Your input was 9 \n");
  else
    printf("%d is smaller than 9 \n", var);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed4(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1040 <scanf@plt>
cmpl   $0x9,-0x4(%rbp)
jle    1166 <main+0x46>
mov    -0x4(%rbp),%esi
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11a5 <main+0x85>
movl   $0x9,-0x4(%rbp)
mov    $0x1,%al
test   $0x1,%al
jne    117c <main+0x5c>
jmp    118f <main+0x6f>
lea    0xea7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11a0 <main+0x80>
mov    -0x4(%rbp),%esi
lea    0xea4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11a5 <main+0x85>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee1(%rip),%rdi
call   1030 <puts@plt>
lea    0xebc(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%esi
cmp    $0xa,%esi
jl     1167 <main+0x37>
lea    0xea5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
pop    %rax
ret
movl   $0x9,0x4(%rsp)
lea    0xeb3(%rip),%rdi
call   1030 <puts@plt>
pop    %rax
ret

LLVM IR (-O0):
@.str = [17 x i8] c"Enter a number \0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [22 x i8] c"%d is larger than 9 \0A\00"
@.str.3 = [19 x i8] c"Your input was 9 \0A\00"
@.str.4 = [23 x i8] c"%d is smaller than 9 \0A\00"
define void @main() {
%1 = alloca i32
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
%5 = icmp sgt i32 %4, 9
br i1 %5, label %6, label %9
6: ; preds = %0
%7 = load i32, i32* %1
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 %7)
br label %16
9: ; preds = %0
store i32 9, i32* %1
br i1 true, label %10, label %12
10: ; preds = %9
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0))
br label %15
12: ; preds = %9
%13 = load i32, i32* %1
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %13)
br label %15
15: ; preds = %12, %10
br label %16
16: ; preds = %15, %6
ret void
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [22 x i8] c"%d is larger than 9 \0A\00"
@str = [16 x i8] c"Enter a number \00"
@str.5 = [18 x i8] c"Your input was 9 \00"
define void @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 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 = icmp sgt i32 %5, 9
br i1 %6, label %7, label %9
7: ; preds = %0
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 %5)
br label %11
9: ; preds = %0
store i32 9, i32* %1
%10 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str.5, i64 0, i64 0))
br label %11
11: ; preds = %9, %7
ret void
}