#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 LCM(int, int);
int /*<<< orphan*/ printf(char *, int);
int main(int argc, char **argv) {
  int number = 1;
  int i;
  for (i = 2; i < 20; i++) {
    number = LCM(number, i);
  }
  printf("The number is: %d\n", number);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x1,-0x14(%rbp)
movl   $0x2,-0x18(%rbp)
cmpl   $0x14,-0x18(%rbp)
jge    116a <main+0x4a>
mov    -0x14(%rbp),%edi
mov    -0x18(%rbp),%esi
call   1030 <LCM@plt>
mov    %eax,-0x14(%rbp)
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    1144 <main+0x24>
mov    -0x14(%rbp),%esi
lea    0xe8c(%rip),%rdi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
mov    $0x1,%edi
mov    $0x2,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x3,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x4,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x5,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x6,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x7,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x8,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x9,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0xa,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0xb,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0xc,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0xd,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0xe,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0xf,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x10,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x11,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x12,%esi
call   1030 <LCM@plt>
mov    %eax,%edi
mov    $0x13,%esi
call   1030 <LCM@plt>
lea    0xdfd(%rip),%rdi
mov    %eax,%esi
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [19 x i8] c"The number is: %d\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 1, i32* %6
store i32 2, i32* %7
br label %8
8: ; preds = %15, %2
%9 = load i32, i32* %7
%10 = icmp slt i32 %9, 20
br i1 %10, label %11, label %18
11: ; preds = %8
%12 = load i32, i32* %6
%13 = load i32, i32* %7
%14 = call i32 @LCM(i32 %12, i32 %13)
store i32 %14, i32* %6
br label %15
15: ; preds = %11
%16 = load i32, i32* %7
%17 = add nsw i32 %16, 1
store i32 %17, i32* %7
br label %8
18: ; preds = %8
%19 = load i32, i32* %6
%20 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i32 %19)
ret i32 0
}

LLVM IR (-O2):
@.str = [19 x i8] c"The number is: %d\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @LCM(i32 1, i32 2)
%4 = tail call i32 @LCM(i32 %3, i32 3)
%5 = tail call i32 @LCM(i32 %4, i32 4)
%6 = tail call i32 @LCM(i32 %5, i32 5)
%7 = tail call i32 @LCM(i32 %6, i32 6)
%8 = tail call i32 @LCM(i32 %7, i32 7)
%9 = tail call i32 @LCM(i32 %8, i32 8)
%10 = tail call i32 @LCM(i32 %9, i32 9)
%11 = tail call i32 @LCM(i32 %10, i32 10)
%12 = tail call i32 @LCM(i32 %11, i32 11)
%13 = tail call i32 @LCM(i32 %12, i32 12)
%14 = tail call i32 @LCM(i32 %13, i32 13)
%15 = tail call i32 @LCM(i32 %14, i32 14)
%16 = tail call i32 @LCM(i32 %15, i32 15)
%17 = tail call i32 @LCM(i32 %16, i32 16)
%18 = tail call i32 @LCM(i32 %17, i32 17)
%19 = tail call i32 @LCM(i32 %18, i32 18)
%20 = tail call i32 @LCM(i32 %19, i32 19)
%21 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i32 %20)
ret i32 0
}