Displaying 4 results from an estimated 4 matches for "r174746".
2013 Apr 04
2
[LLVMdev] Is r174746 broken on ARM?
Hello Hal,
I have a strong suspicion that your constant folding optimization
introduced at r174746 is broken on ARM. There is a bug about it:
http://llvm.org/bugs/show_bug.cgi?id=15581
There is no such issue with 3.2, and reverting r174746 on top of
r178740 also fixes the problem. I'm trying to fix it myself, but
still have no good ideas; so it would be great to have an advice
from you.
T...
2013 Apr 04
0
[LLVMdev] Is r174746 broken on ARM?
...Message -----
> From: "Dmitry Antipov" <antipov at dev.rtsoft.ru>
> To: "Hal Finkel" <hfinkel at anl.gov>
> Cc: "Renato Golin" <renato.golin at linaro.org>, llvmdev at cs.uiuc.edu
> Sent: Thursday, April 4, 2013 3:22:05 AM
> Subject: Is r174746 broken on ARM?
>
> Hello Hal,
>
> I have a strong suspicion that your constant folding optimization
> introduced at r174746 is broken on ARM. There is a bug about it:
>
> http://llvm.org/bugs/show_bug.cgi?id=15581
>
> There is no such issue with 3.2, and reverting r17...
2013 Apr 08
1
[LLVMdev] Is r174746 broken on ARM?
On 04/04/2013 05:09 PM, Hal Finkel wrote:
> Looking briefly at the code in comment 5 of PR15581, is that the pre-decrement case?
> I can't test that case on PPC, so I can certainly believe that there is a problem somewhere.
> The relevant code is a little farther down:
>
> APInt OV =
> cast<ConstantSDNode>(Offset)->getAPIntValue();
> if (AM ==
2013 Apr 11
1
[LLVMdev] Is r174746 broken on ARM?
On 04/10/2013 10:22 PM, Hal Finkel wrote:
>> Okay, great! Can you please generate a test case? In case you don't
>> know, an easy way is this: place an assert that will crash the code
>> generation in the pre-dec case you've highlighted, then use bugpoint
>> to produce a reduced test case for the crash.
>
> [list not cc'd]
>
> Were you able to make