#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 ackermann(int, int);
int /*<<< orphan*/ mips_print_int(int);
int /*<<< orphan*/ mips_print_string(char *);
int main() {
  int m = 3, n = 3;
  mips_print_string("A(");
  mips_print_int(m);
  mips_print_string(", ");
  mips_print_int(n);
  mips_print_string(") = ");
  mips_print_int(ackermann(m, n));
  mips_print_string("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x3,-0x8(%rbp)
movl   $0x3,-0xc(%rbp)
lea    0xeac(%rip),%rdi
call   1040 <mips_print_string@plt>
mov    -0x8(%rbp),%edi
call   1050 <mips_print_int@plt>
lea    0xe9b(%rip),%rdi
call   1040 <mips_print_string@plt>
mov    -0xc(%rbp),%edi
call   1050 <mips_print_int@plt>
lea    0xe8a(%rip),%rdi
call   1040 <mips_print_string@plt>
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1030 <ackermann@plt>
mov    %eax,%edi
call   1050 <mips_print_int@plt>
lea    0xe71(%rip),%rdi
call   1040 <mips_print_string@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xec8(%rip),%rdi
call   1040 <mips_print_string@plt>
mov    $0x3,%edi
call   1050 <mips_print_int@plt>
lea    0xeb5(%rip),%rdi
call   1040 <mips_print_string@plt>
mov    $0x3,%edi
call   1050 <mips_print_int@plt>
lea    0xea2(%rip),%rdi
call   1040 <mips_print_string@plt>
mov    $0x3,%edi
mov    $0x3,%esi
call   1030 <ackermann@plt>
mov    %eax,%edi
call   1050 <mips_print_int@plt>
lea    0xe85(%rip),%rdi
call   1040 <mips_print_string@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"A(\00"
@.str.1 = [3 x i8] c", \00"
@.str.2 = [5 x i8] c") = \00"
@.str.3 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 3, i32* %2
store i32 3, i32* %3
%4 = call i32 @mips_print_string(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%5 = load i32, i32* %2
%6 = call i32 @mips_print_int(i32 %5)
%7 = call i32 @mips_print_string(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* %3
%9 = call i32 @mips_print_int(i32 %8)
%10 = call i32 @mips_print_string(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%11 = load i32, i32* %2
%12 = load i32, i32* %3
%13 = call i32 @ackermann(i32 %11, i32 %12)
%14 = call i32 @mips_print_int(i32 %13)
%15 = call i32 @mips_print_string(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"A(\00"
@.str.1 = [3 x i8] c", \00"
@.str.2 = [5 x i8] c") = \00"
@.str.3 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = tail call i32 @mips_print_string(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 @mips_print_int(i32 3)
%3 = tail call i32 @mips_print_string(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%4 = tail call i32 @mips_print_int(i32 3)
%5 = tail call i32 @mips_print_string(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%6 = tail call i32 @ackermann(i32 3, i32 3)
%7 = tail call i32 @mips_print_int(i32 %6)
%8 = tail call i32 @mips_print_string(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}