On 05 Apr 2009, at 00:40, JoshyFun wrote:
If a virtual method of a class is not used at all in the programm will
the compiler remove it from the executable ?
If you use FPC 2.3.1 with whole-program optimization and the compiler
can prove that it is never callable: yes. See
Hello Jonas,
Sunday, April 5, 2009, 11:20:59 AM, you wrote:
JM If you use FPC 2.3.1 with whole-program optimization and the compiler
JM can prove that it is never callable: yes. See
JM http://wiki.freepascal.org/Whole_Program_Optimization
JM for more information. In case this is in relation
On 05 Apr 2009, at 13:28, JoshyFun wrote:
JM If you use FPC 2.3.1 with whole-program optimization and the
compiler
JM can prove that it is never callable: yes. See
JM http://wiki.freepascal.org/Whole_Program_Optimization
JM for more information. In case this is in relation to the
Hello Jonas,
Sunday, April 5, 2009, 2:09:33 PM, you wrote:
JM If you have a class hierarchy tbase-tderived1-tderived2 with a
JM virtual method called vmethod, and nowhere in the program there is a
JM call to vmethod, then it is unused. Or if it is only called using
JM tderived2 instances, then
On 05 Apr 2009, at 17:12, JoshyFun wrote:
TCustomFoo=class(TObject);
TDerivedFoo=class(TCustomFoo)
procedure Myprocedure(); virtual;
end;
TDeDerivedFoo=class(TDerivedFoo)
procedure MyProcedure(); override;
end;
And in the code:
var
MyObj: TCustomFoo;
begin
MyObj:=TDeDerivedFoo.Create();
Hello Jonas,
Sunday, April 5, 2009, 5:27:02 PM, you wrote:
Something like this could kill the dead code detection ? A simple
yes/no is enoght :)
JM Not in case of whole-program optimization:
JM --- dead.sorg 2009-04-05 17:24:25.0 +0200
JM +++ dead.s 2009-04-05
Hello FPC-Pascal,
If a virtual method of a class is not used at all in the programm will
the compiler remove it from the executable ?
I think that unused constants and functions will be removed by the
compiler or the linker but the methdos of a class... :-?
--
Best regards,
JoshyFun
