#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*/ compute(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
int main(int argc, char **argv) {
  int inArg;
  if (argc == 1) {
    fprintf(stderr, "Please rerun with a positive number argument\n");
    return 1;
  }
  inArg = atoi(argv[1]);
  if (inArg < 0) {
    fprintf(stderr, "Argument was not a positive integer\n");
    return 1;
  }
  compute(inArg);
  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)
cmpl   $0x1,-0x8(%rbp)
jne    1171 <main+0x41>
mov    0x2e89(%rip),%rax
mov    (%rax),%edi
lea    0xea0(%rip),%rsi
call   1030 <fprintf@plt>
movl   $0x1,-0x4(%rbp)
jmp    11bb <main+0x8b>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1040 <atoi@plt>
mov    %eax,-0x14(%rbp)
cmpl   $0x0,-0x14(%rbp)
jge    11ac <main+0x7c>
mov    0x2e4e(%rip),%rax
mov    (%rax),%edi
lea    0xe93(%rip),%rsi
call   1030 <fprintf@plt>
movl   $0x1,-0x4(%rbp)
jmp    11bb <main+0x8b>
mov    -0x14(%rbp),%edi
call   1050 <compute@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x1,%edi
jne    1148 <main+0x18>
mov    0x2ea3(%rip),%rax
mov    (%rax),%edi
lea    0xeba(%rip),%rsi
jmp    1170 <main+0x40>
mov    0x8(%rsi),%rdi
call   1040 <atoi@plt>
test   %eax,%eax
js     1160 <main+0x30>
mov    %eax,%edi
call   1050 <compute@plt>
xor    %eax,%eax
pop    %rcx
ret
mov    0x2e79(%rip),%rax
mov    (%rax),%edi
lea    0xebe(%rip),%rsi
call   1030 <fprintf@plt>
mov    $0x1,%eax
pop    %rcx
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [46 x i8] c"Please rerun with a positive number argument\0A\00"
@.str.1 = [37 x i8] c"Argument was not a positive integer\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = load i32, i32* %4
%8 = icmp eq i32 %7, 1
br i1 %8, label %9, label %12
9: ; preds = %2
%10 = load i32, i32* @stderr
%11 = call i32 @fprintf(i32 %10, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str, i64 0, i64 0))
store i32 1, i32* %3
br label %25
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* %6
%17 = load i32, i32* %6
%18 = icmp slt i32 %17, 0
br i1 %18, label %19, label %22
19: ; preds = %12
%20 = load i32, i32* @stderr
%21 = call i32 @fprintf(i32 %20, i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.1, i64 0, i64 0))
store i32 1, i32* %3
br label %25
22: ; preds = %12
%23 = load i32, i32* %6
%24 = call i32 @compute(i32 %23)
store i32 0, i32* %3
br label %25
25: ; preds = %22, %19, %9
%26 = load i32, i32* %3
ret i32 %26
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [46 x i8] c"Please rerun with a positive number argument\0A\00"
@.str.1 = [37 x i8] c"Argument was not a positive integer\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 1
br i1 %3, label %4, label %7
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str, i64 0, i64 0))
br label %17
7: ; preds = %2
%8 = getelementptr inbounds i8*, i8** %1, i64 1
%9 = load i8*, i8** %8
%10 = tail call i32 @atoi(i8* %9)
%11 = icmp slt i32 %10, 0
br i1 %11, label %12, label %15
12: ; preds = %7
%13 = load i32, i32* @stderr
%14 = tail call i32 @fprintf(i32 %13, i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.1, i64 0, i64 0))
br label %17
15: ; preds = %7
%16 = tail call i32 @compute(i32 %10)
br label %17
17: ; preds = %15, %12, %4
%18 = phi i32 [ 1, %4 ], [ 1, %12 ], [ 0, %15 ]
ret i32 %18
}