#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 atoi(char *);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
int /*<<< orphan*/ stdout;
int tarai(int, int, int);
int main(int argc, char **argv) {
  int x, y, z;
  if (argc != 4) {
    fprintf(stderr, "syntax: tarai x y z\n");
    exit(1);
  }
  x = atoi(argv[1]);
  y = atoi(argv[2]);
  z = atoi(argv[3]);
  fprintf(stdout, "%d\n", tarai(x, y, z));
  exit(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)
cmpl   $0x4,-0x8(%rbp)
je     1181 <main+0x41>
mov    0x2e79(%rip),%rax
mov    (%rax),%edi
lea    0xe90(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <atoi@plt>
mov    %eax,-0x14(%rbp)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdi
call   1050 <atoi@plt>
mov    %eax,-0x18(%rbp)
mov    -0x10(%rbp),%rax
mov    0x18(%rax),%rdi
call   1050 <atoi@plt>
mov    %eax,-0x1c(%rbp)
mov    0x2e20(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x20(%rbp)
mov    -0x14(%rbp),%edi
mov    -0x18(%rbp),%esi
mov    -0x1c(%rbp),%edx
call   1030 <tarai@plt>
mov    -0x20(%rbp),%edi
mov    %eax,%edx
lea    0xe3e(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
xor    %edi,%edi
call   1060 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
cmp    $0x4,%edi
jne    119a <main+0x5a>
mov    %rsi,%rbx
mov    0x8(%rsi),%rdi
call   1050 <atoi@plt>
mov    %eax,%r14d
mov    0x10(%rbx),%rdi
call   1050 <atoi@plt>
mov    %eax,%ebp
mov    0x18(%rbx),%rdi
call   1050 <atoi@plt>
mov    0x2e65(%rip),%rcx
mov    (%rcx),%ebx
mov    %r14d,%edi
mov    %ebp,%esi
mov    %eax,%edx
call   1030 <tarai@plt>
lea    0xe8d(%rip),%rsi
mov    %ebx,%edi
mov    %eax,%edx
xor    %eax,%eax
call   1040 <fprintf@plt>
xor    %edi,%edi
call   1060 <exit@plt>
mov    0x2e3f(%rip),%rax
mov    (%rax),%edi
lea    0xe56(%rip),%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [21 x i8] c"syntax: tarai x y z\0A\00"
@stdout = global i32 0
@.str.1 = [4 x i8] c"%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
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%9 = load i32, i32* %4
%10 = icmp ne i32 %9, 4
br i1 %10, label %11, label %15
11: ; preds = %2
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
%14 = call i32 @exit(i32 1)
unreachable
15: ; preds = %2
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 1
%18 = load i8*, i8** %17
%19 = call i32 @atoi(i8* %18)
store i32 %19, i32* %6
%20 = load i8**, i8*** %5
%21 = getelementptr inbounds i8*, i8** %20, i64 2
%22 = load i8*, i8** %21
%23 = call i32 @atoi(i8* %22)
store i32 %23, i32* %7
%24 = load i8**, i8*** %5
%25 = getelementptr inbounds i8*, i8** %24, i64 3
%26 = load i8*, i8** %25
%27 = call i32 @atoi(i8* %26)
store i32 %27, i32* %8
%28 = load i32, i32* @stdout
%29 = load i32, i32* %6
%30 = load i32, i32* %7
%31 = load i32, i32* %8
%32 = call i32 @tarai(i32 %29, i32 %30, i32 %31)
%33 = call i32 (i32, i8*, ...) @fprintf(i32 %28, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %32)
%34 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [21 x i8] c"syntax: tarai x y z\0A\00"
@stdout = global i32 0
@.str.1 = [4 x i8] c"%d\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 4
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
%7 = tail call i32 @exit(i32 1)
unreachable
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = tail call i32 @atoi(i8* %10)
%12 = getelementptr inbounds i8*, i8** %1, i64 2
%13 = load i8*, i8** %12
%14 = tail call i32 @atoi(i8* %13)
%15 = getelementptr inbounds i8*, i8** %1, i64 3
%16 = load i8*, i8** %15
%17 = tail call i32 @atoi(i8* %16)
%18 = load i32, i32* @stdout
%19 = tail call i32 @tarai(i32 %11, i32 %14, i32 %17)
%20 = tail call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %19)
%21 = tail call i32 @exit(i32 0)
unreachable
}