#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 EXIT_FAILURE;
int atoi(char *);
int gcd(int, int);
int /*<<< orphan*/ printf(char *, int, int, int);
int main(int argc, char *argv[]) {
  if (argc != 3)
    return EXIT_FAILURE;
  int n, m;
  m = atoi(argv[1]);
  n = atoi(argv[2]);
  printf("The GCD(%d, %d) = %d", m, n, gcd(m, n));
}


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)
cmpl   $0x3,-0x8(%rbp)
je     1161 <main+0x31>
mov    0x2e89(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    11ac <main+0x7c>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <atoi@plt>
mov    %eax,-0x18(%rbp)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdi
call   1050 <atoi@plt>
mov    %eax,-0x14(%rbp)
mov    -0x18(%rbp),%eax
mov    %eax,-0x20(%rbp)
mov    -0x14(%rbp),%eax
mov    %eax,-0x1c(%rbp)
mov    -0x18(%rbp),%edi
mov    -0x14(%rbp),%esi
call   1040 <gcd@plt>
mov    -0x20(%rbp),%esi
mov    -0x1c(%rbp),%edx
mov    %eax,%ecx
lea    0xe59(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
cmp    $0x3,%edi
jne    1170 <main+0x40>
mov    %rsi,%rbx
mov    0x8(%rsi),%rdi
call   1050 <atoi@plt>
mov    %eax,%ebp
mov    0x10(%rbx),%rdi
call   1050 <atoi@plt>
mov    %eax,%ebx
mov    %ebp,%edi
mov    %eax,%esi
call   1040 <gcd@plt>
lea    0xe9f(%rip),%rdi
mov    %ebp,%esi
mov    %ebx,%edx
mov    %eax,%ecx
call   1030 <printf@plt>
xor    %eax,%eax
jmp    1179 <main+0x49>
mov    0x2e69(%rip),%rax
mov    (%rax),%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@EXIT_FAILURE = global i32 0
@.str = [21 x i8] c"The GCD(%d, %d) = %d\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
%8 = load i32, i32* %4
%9 = icmp ne i32 %8, 3
br i1 %9, label %10, label %12
10: ; preds = %2
%11 = load i32, i32* @EXIT_FAILURE
store i32 %11, i32* %3
br label %27
12: ; preds = %2
%13 = load i8**, i8*** %5
%14 = getelementptr inbounds i8*, i8** %13, i64 1
%15 = load i8*, i8** %14
%16 = call i32 @atoi(i8* %15)
store i32 %16, i32* %7
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 2
%19 = load i8*, i8** %18
%20 = call i32 @atoi(i8* %19)
store i32 %20, i32* %6
%21 = load i32, i32* %7
%22 = load i32, i32* %6
%23 = load i32, i32* %7
%24 = load i32, i32* %6
%25 = call i32 @gcd(i32 %23, i32 %24)
%26 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i32 %21, i32 %22, i32 %25)
br label %27
27: ; preds = %12, %10
%28 = load i32, i32* %3
ret i32 %28
}

LLVM IR (-O2):
@EXIT_FAILURE = global i32 0
@.str = [21 x i8] c"The GCD(%d, %d) = %d\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 3
br i1 %3, label %6, label %4
4: ; preds = %2
%5 = load i32, i32* @EXIT_FAILURE
br label %15
6: ; preds = %2
%7 = getelementptr inbounds i8*, i8** %1, i64 1
%8 = load i8*, i8** %7
%9 = tail call i32 @atoi(i8* %8)
%10 = getelementptr inbounds i8*, i8** %1, i64 2
%11 = load i8*, i8** %10
%12 = tail call i32 @atoi(i8* %11)
%13 = tail call i32 @gcd(i32 %9, i32 %12)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i32 %9, i32 %12, i32 %13)
br label %15
15: ; preds = %6, %4
%16 = phi i32 [ %5, %4 ], [ 0, %6 ]
ret i32 %16
}