#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);
scalar_t__ if_equal(int, int);
int main() {
  assert(0 == if_equal(156, 156));
  assert(0 != if_equal(159, 156));
  assert(0 == if_equal(-15, -15));
  assert(0 != if_equal(-15, -19));
  return (0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x9c,%esi
mov    %esi,%edi
call   1040 <if_equal@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    $0x9f,%edi
mov    $0x9c,%esi
call   1040 <if_equal@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
setne  %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    $0xfffffff1,%esi
mov    %esi,%edi
call   1040 <if_equal@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    $0xfffffff1,%edi
mov    $0xffffffed,%esi
call   1040 <if_equal@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
setne  %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    $0x9c,%edi
mov    $0x9c,%esi
call   1040 <if_equal@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   1030 <assert@plt>
mov    $0x9f,%edi
mov    $0x9c,%esi
call   1040 <if_equal@plt>
xor    %edi,%edi
test   %rax,%rax
setne  %dil
call   1030 <assert@plt>
mov    $0xfffffff1,%edi
mov    $0xfffffff1,%esi
call   1040 <if_equal@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   1030 <assert@plt>
mov    $0xfffffff1,%edi
mov    $0xffffffed,%esi
call   1040 <if_equal@plt>
xor    %edi,%edi
test   %rax,%rax
setne  %dil
call   1030 <assert@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i64 @if_equal(i32 156, i32 156)
%3 = icmp eq i64 0, %2
%4 = zext i1 %3 to i32
%5 = call i32 @assert(i32 %4)
%6 = call i64 @if_equal(i32 159, i32 156)
%7 = icmp ne i64 0, %6
%8 = zext i1 %7 to i32
%9 = call i32 @assert(i32 %8)
%10 = call i64 @if_equal(i32 -15, i32 -15)
%11 = icmp eq i64 0, %10
%12 = zext i1 %11 to i32
%13 = call i32 @assert(i32 %12)
%14 = call i64 @if_equal(i32 -15, i32 -19)
%15 = icmp ne i64 0, %14
%16 = zext i1 %15 to i32
%17 = call i32 @assert(i32 %16)
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i64 @if_equal(i32 156, i32 156)
%2 = icmp eq i64 %1, 0
%3 = zext i1 %2 to i32
%4 = tail call i32 @assert(i32 %3)
%5 = tail call i64 @if_equal(i32 159, i32 156)
%6 = icmp ne i64 %5, 0
%7 = zext i1 %6 to i32
%8 = tail call i32 @assert(i32 %7)
%9 = tail call i64 @if_equal(i32 -15, i32 -15)
%10 = icmp eq i64 %9, 0
%11 = zext i1 %10 to i32
%12 = tail call i32 @assert(i32 %11)
%13 = tail call i64 @if_equal(i32 -15, i32 -19)
%14 = icmp ne i64 %13, 0
%15 = zext i1 %14 to i32
%16 = tail call i32 @assert(i32 %15)
ret i32 0
}