#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*/ print(int);
int /*<<< orphan*/ puts(char *);
int main() {
  int i;
  for (i = 1; i < 20; ++i) {
    if (i % 15 == 0)
      puts("fizzbuzz");
    else if (i % 5 == 0)
      puts("buzz");
    else if (i % 3 == 0)
      puts("fizz");
    else
      print(i);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0x8(%rbp)
cmpl   $0x14,-0x8(%rbp)
jge    11d4 <main+0xb4>
mov    -0x8(%rbp),%eax
mov    $0xf,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    1165 <main+0x45>
lea    0xea5(%rip),%rdi
call   1030 <puts@plt>
jmp    11c1 <main+0xa1>
mov    -0x8(%rbp),%eax
mov    $0x5,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    118a <main+0x6a>
lea    0xe84(%rip),%rdi
call   1030 <puts@plt>
jmp    11bc <main+0x9c>
mov    -0x8(%rbp),%eax
mov    $0x3,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    11af <main+0x8f>
lea    0xe64(%rip),%rdi
call   1030 <puts@plt>
jmp    11b7 <main+0x97>
mov    -0x8(%rbp),%edi
call   1040 <print@plt>
jmp    11bc <main+0x9c>
jmp    11c1 <main+0xa1>
jmp    11c6 <main+0xa6>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1136 <main+0x16>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    $0x1,%ebx
lea    0xecc(%rip),%r14
lea    0xec9(%rip),%r15
lea    0xec7(%rip),%r12
jmp    1160 <main+0x40>
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
mov    %r14,%rdi
call   1030 <puts@plt>
add    $0x1,%ebx
cmp    $0x14,%ebx
je     11ba <main+0x9a>
movzbl %bl,%eax
imul   $0x89,%eax,%ecx
shr    $0xb,%ecx
mov    %ecx,%edx
shl    $0x4,%edx
sub    %edx,%ecx
add    %al,%cl
je     1150 <main+0x30>
imul   $0xcd,%eax,%ecx
shr    $0xa,%ecx
lea    (%rcx,%rcx,4),%ecx
neg    %ecx
add    %bl,%cl
je     11b0 <main+0x90>
imul   $0xab,%eax,%eax
shr    $0x9,%eax
lea    (%rax,%rax,2),%eax
neg    %eax
add    %bl,%al
je     11b5 <main+0x95>
mov    %ebx,%edi
call   1040 <print@plt>
jmp    1158 <main+0x38>
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
mov    %r15,%rdi
jmp    1153 <main+0x33>
mov    %r12,%rdi
jmp    1153 <main+0x33>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [9 x i8] c"fizzbuzz\00"
@.str.1 = [5 x i8] c"buzz\00"
@.str.2 = [5 x i8] c"fizz\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 1, i32* %2
br label %3
3: ; preds = %30, %0
%4 = load i32, i32* %2
%5 = icmp slt i32 %4, 20
br i1 %5, label %6, label %33
6: ; preds = %3
%7 = load i32, i32* %2
%8 = srem i32 %7, 15
%9 = icmp eq i32 %8, 0
br i1 %9, label %10, label %12
10: ; preds = %6
%11 = call i32 @puts(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
br label %29
12: ; preds = %6
%13 = load i32, i32* %2
%14 = srem i32 %13, 5
%15 = icmp eq i32 %14, 0
br i1 %15, label %16, label %18
16: ; preds = %12
%17 = call i32 @puts(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
br label %28
18: ; preds = %12
%19 = load i32, i32* %2
%20 = srem i32 %19, 3
%21 = icmp eq i32 %20, 0
br i1 %21, label %22, label %24
22: ; preds = %18
%23 = call i32 @puts(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
br label %27
24: ; preds = %18
%25 = load i32, i32* %2
%26 = call i32 @print(i32 %25)
br label %27
27: ; preds = %24, %22
br label %28
28: ; preds = %27, %16
br label %29
29: ; preds = %28, %10
br label %30
30: ; preds = %29
%31 = load i32, i32* %2
%32 = add nsw i32 %31, 1
store i32 %32, i32* %2
br label %3
33: ; preds = %3
ret i32 0
}

LLVM IR (-O2):
@.str = [9 x i8] c"fizzbuzz\00"
@.str.1 = [5 x i8] c"buzz\00"
@.str.2 = [5 x i8] c"fizz\00"
define i32 @main() {
br label %1
1: ; preds = %0, %20
%2 = phi i32 [ 1, %0 ], [ %21, %20 ]
%3 = trunc i32 %2 to i8
%4 = urem i8 %3, 15
%5 = icmp eq i8 %4, 0
br i1 %5, label %6, label %8
6: ; preds = %1
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
br label %20
8: ; preds = %1
%9 = urem i8 %3, 5
%10 = icmp eq i8 %9, 0
br i1 %10, label %11, label %13
11: ; preds = %8
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
br label %20
13: ; preds = %8
%14 = urem i8 %3, 3
%15 = icmp eq i8 %14, 0
br i1 %15, label %16, label %18
16: ; preds = %13
%17 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
br label %20
18: ; preds = %13
%19 = tail call i32 @print(i32 %2)
br label %20
20: ; preds = %6, %16, %18, %11
%21 = add nuw nsw i32 %2, 1
%22 = icmp eq i32 %21, 20
br i1 %22, label %23, label %1
23: ; preds = %20
ret i32 0
}