#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 gcd(int, int);
int lcm(int, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *, int *);
int main(int argc, char *argv[]) {
  int a, b;
  int l, h;
  printf("input two integer(a,b):");
  scanf("%d,%d", &a, &b);
  printf("gcd= %d\n", gcd(a, b));
  printf("lcm= %d\n", lcm(a, b));
  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)
lea    0xea3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xead(%rip),%rdi
lea    -0x14(%rbp),%rsi
lea    -0x18(%rbp),%rdx
call   1050 <scanf@plt>
mov    -0x14(%rbp),%edi
mov    -0x18(%rbp),%esi
call   1060 <gcd@plt>
mov    %eax,%esi
lea    0xe92(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%edi
mov    -0x18(%rbp),%esi
call   1040 <lcm@plt>
mov    %eax,%esi
lea    0xe80(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeb8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec2(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1050 <scanf@plt>
mov    0x4(%rsp),%edi
mov    (%rsp),%esi
call   1060 <gcd@plt>
lea    0xea8(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%edi
mov    (%rsp),%esi
call   1040 <lcm@plt>
lea    0xe95(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [24 x i8] c"input two integer(a,b):\00"
@.str.1 = [6 x i8] c"%d,%d\00"
@.str.2 = [9 x i8] c"gcd= %d\0A\00"
@.str.3 = [9 x i8] c"lcm= %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
%8 = alloca i32
%9 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%11 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %6, i32* %7)
%12 = load i32, i32* %6
%13 = load i32, i32* %7
%14 = call i32 @gcd(i32 %12, i32 %13)
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i32 %14)
%16 = load i32, i32* %6
%17 = load i32, i32* %7
%18 = call i32 @lcm(i32 %16, i32 %17)
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0), i32 %18)
ret i32 0
}

LLVM IR (-O2):
@.str = [24 x i8] c"input two integer(a,b):\00"
@.str.1 = [6 x i8] c"%d,%d\00"
@.str.2 = [9 x i8] c"gcd= %d\0A\00"
@.str.3 = [9 x i8] c"lcm= %d\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = alloca i32
%5 = bitcast i32* %3 to i8*
%6 = bitcast i32* %4 to i8*
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %3, i32* %4)
%9 = load i32, i32* %3
%10 = load i32, i32* %4
%11 = call i32 @gcd(i32 %9, i32 %10)
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i32 %11)
%13 = load i32, i32* %3
%14 = load i32, i32* %4
%15 = call i32 @lcm(i32 %13, i32 %14)
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0), i32 %15)
ret i32 0
}