#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 /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *, int *);
void gcd_test() {
  int i, a, b;
  int result;
  printf("GCD TEST will print the gcd from your input:\n");
  printf("Please input two integer:\n");
  scanf("%d %d", &a, &b);
  result = gcd(a, b);
  printf("The result of GCD(%d,%d) is %d\n", a, b, result);
}


x86 assembly (clang, -O0):
<gcd_test>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xec1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeee(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
call   1040 <scanf@plt>
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1050 <gcd@plt>
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x10(%rbp),%ecx
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<gcd_test>:
push   %rax
lea    0xede(%rip),%rdi
call   1030 <puts@plt>
lea    0xeff(%rip),%rdi
call   1030 <puts@plt>
lea    0xea0(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1050 <scanf@plt>
mov    0x4(%rsp),%edi
mov    (%rsp),%esi
call   1060 <gcd@plt>
mov    0x4(%rsp),%esi
mov    (%rsp),%edx
lea    0xe7f(%rip),%rdi
mov    %eax,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
pop    %rax
ret

LLVM IR (-O0):
@.str = [46 x i8] c"GCD TEST will print the gcd from your input:\0A\00"
@.str.1 = [27 x i8] c"Please input two integer:\0A\00"
@.str.2 = [6 x i8] c"%d %d\00"
@.str.3 = [32 x i8] c"The result of GCD(%d,%d) is %d\0A\00"
define void @gcd_test() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32* %2, i32* %3)
%8 = load i32, i32* %2
%9 = load i32, i32* %3
%10 = call i32 @gcd(i32 %8, i32 %9)
store i32 %10, i32* %4
%11 = load i32, i32* %2
%12 = load i32, i32* %3
%13 = load i32, i32* %4
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0), i32 %11, i32 %12, i32 %13)
ret void
}

LLVM IR (-O2):
@.str.2 = [6 x i8] c"%d %d\00"
@.str.3 = [32 x i8] c"The result of GCD(%d,%d) is %d\0A\00"
@str = [45 x i8] c"GCD TEST will print the gcd from your input:\00"
@str.4 = [26 x i8] c"Please input two integer:\00"
define void @gcd_test() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([45 x i8], [45 x i8]* @str, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.4, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32* %1, i32* %2)
%8 = load i32, i32* %1
%9 = load i32, i32* %2
%10 = call i32 @gcd(i32 %8, i32 %9)
%11 = load i32, i32* %1
%12 = load i32, i32* %2
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0), i32 %11, i32 %12, i32 %10)
ret void
}