[fpc-devel] XML node dump feature

[Jonas Maebe]

On 25/06/2019 10:19, denisgolovan wrote:
>> Can I have an example of "hoisting pure functions out of loops" that you
>> speak of?
> 
> Sure.
> I mean something like following (completely artificial example):
> 
> function PureFunc1: ...
> function F(arg: Integer): Integer;
> var s:Integer;
> begin
>   s:=0;
>   for i:=0 to 100 do
>      s:=s+PureFunc(arg);
>   Result:=s;
> end;

You don't need any kind of new source code constructs for optimizing
that. The LLVM backend can already do that; in the worst case, only when
LTO is enabled (in case the function is declared in another unit)


Jonas