Re: Bad linearized output in RC5

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Hi Chris,

On 14 August 2017 at 15:05, Christopher Li <sparse@xxxxxxxxxxx> wrote:
> On Mon, Aug 14, 2017 at 3:28 AM, Dibyendu Majumdar
> <mobile@xxxxxxxxxxxxxxx> wrote:
>> lua_settop:
>> .L0:
>>         <entry-point>
>>         setge.32    %r2 <- %arg2, $0
>>         cbr         %r2, .L6, .L2
>>
>> .L6:
>>         load.64     %r5 <- 0[VOID]
>>         load.64     %r7 <- 8[VOID] <===========
>
> Thanks for the report.
>
> So you mean here the arg1 has been optimized to void.
>
> I am able to duplicate this problem with rc5.

That is strange as the output is from test-linearize from rc5.


> Haven't have time to dig deeper. But it seems before
> the optimization,  the first round of linearization
> has the output that arg1 was still there.
>
> Regard to this release.  I don't think we have time to
> make all the IR correct for RC5.
>
> I suggest we make the 0.5.1 release this week.
>
> Then immediate start to work on 0.5.2, make the
> necessary fix there, then we can have RC1 for 0.5.2.
>

Yes I agree that there is no need to hold the release up as most
likely this is an existing issue.

Regards
Dibyendu
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