Displaying 2 results from an estimated 2 matches for "23a634af".
2013 Feb 09
0
[LLVMdev] [Polly] Aliasing problems escalation (WAS: Re: [DragonEgg] [Polly] Should we expect DragonEgg to produce identical LLVM IR for identical GIMPLE?)
Hi Duncan,
Got it. So, it looks like in [case] it is really sufficient to have -O1 for
GCC to remove loads (not really remove, but rather pull outside of loops,
which is sufficient).
And in this case - GCC -O1 does not help.
Still, is the [case] sufficient for you to track the missing GCC's info and
make it accessible to LLVM? Meanwhile, I think we will use GCC -O1,
however, I guess, it
2013 Jan 16
2
[LLVMdev] [Polly] Aliasing problems escalation (WAS: Re: [DragonEgg] [Polly] Should we expect DragonEgg to produce identical LLVM IR for identical GIMPLE?)
Hi Dmitry,
On 15/01/13 22:22, Dmitry Mikushin wrote:
> Hi Duncan,
>
> You mean - what happens if DragonEgg is invoked with GCC optimization? I tried
> -O3 and -fplugin-arg-dragonegg-llvm-ir-optimize=1, but nothing changed.
no, I meant if you run gcc with optimization and don't use dragonegg at all.
If I understand right, your problem is that the LLVM optimizers don't remove