#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 /*<<< orphan*/ assert(int);
int greater_than_zero(int);
int main(void) {
  int ret = 0;
  ret = greater_than_zero(2);
  assert(ret == 1);
  ret = greater_than_zero(42);
  assert(ret == 1);
  ret = greater_than_zero(-17);
  assert(ret == 0);
  ret = greater_than_zero(0);
  assert(ret == 0);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
mov    $0x2,%edi
call   1040 <greater_than_zero@plt>
mov    %eax,-0x8(%rbp)
cmpl   $0x1,-0x8(%rbp)
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    $0x2a,%edi
call   1040 <greater_than_zero@plt>
mov    %eax,-0x8(%rbp)
cmpl   $0x1,-0x8(%rbp)
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    $0xffffffef,%edi
call   1040 <greater_than_zero@plt>
mov    %eax,-0x8(%rbp)
cmpl   $0x0,-0x8(%rbp)
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
xor    %edi,%edi
call   1040 <greater_than_zero@plt>
mov    %eax,-0x8(%rbp)
cmpl   $0x0,-0x8(%rbp)
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
mov    $0x2,%edi
call   1040 <greater_than_zero@plt>
xor    %edi,%edi
cmp    $0x1,%eax
sete   %dil
call   1030 <assert@plt>
mov    $0x2a,%edi
call   1040 <greater_than_zero@plt>
xor    %edi,%edi
cmp    $0x1,%eax
sete   %dil
call   1030 <assert@plt>
mov    $0xffffffef,%edi
call   1040 <greater_than_zero@plt>
xor    %edi,%edi
test   %eax,%eax
sete   %dil
call   1030 <assert@plt>
xor    %edi,%edi
call   1040 <greater_than_zero@plt>
xor    %edi,%edi
test   %eax,%eax
sete   %dil
call   1030 <assert@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
%3 = call i32 @greater_than_zero(i32 2)
store i32 %3, i32* %2
%4 = load i32, i32* %2
%5 = icmp eq i32 %4, 1
%6 = zext i1 %5 to i32
%7 = call i32 @assert(i32 %6)
%8 = call i32 @greater_than_zero(i32 42)
store i32 %8, i32* %2
%9 = load i32, i32* %2
%10 = icmp eq i32 %9, 1
%11 = zext i1 %10 to i32
%12 = call i32 @assert(i32 %11)
%13 = call i32 @greater_than_zero(i32 -17)
store i32 %13, i32* %2
%14 = load i32, i32* %2
%15 = icmp eq i32 %14, 0
%16 = zext i1 %15 to i32
%17 = call i32 @assert(i32 %16)
%18 = call i32 @greater_than_zero(i32 0)
store i32 %18, i32* %2
%19 = load i32, i32* %2
%20 = icmp eq i32 %19, 0
%21 = zext i1 %20 to i32
%22 = call i32 @assert(i32 %21)
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i32 @greater_than_zero(i32 2)
%2 = icmp eq i32 %1, 1
%3 = zext i1 %2 to i32
%4 = tail call i32 @assert(i32 %3)
%5 = tail call i32 @greater_than_zero(i32 42)
%6 = icmp eq i32 %5, 1
%7 = zext i1 %6 to i32
%8 = tail call i32 @assert(i32 %7)
%9 = tail call i32 @greater_than_zero(i32 -17)
%10 = icmp eq i32 %9, 0
%11 = zext i1 %10 to i32
%12 = tail call i32 @assert(i32 %11)
%13 = tail call i32 @greater_than_zero(i32 0)
%14 = icmp eq i32 %13, 0
%15 = zext i1 %14 to i32
%16 = tail call i32 @assert(i32 %15)
ret i32 0
}