[PATCH] Branch folding causes different code generation at "-O2 -g" and "-O2"
echristo at gmail.com
Thu Mar 6 14:27:00 PST 2014
Agreed. It's been on the list for a while but hasn't bubbled to the top.
On Mar 6, 2014 1:57 PM, "Xinliang David Li" <xinliangli at gmail.com> wrote:
> To proactively find problems like this -- consider doing this in 3-stage
> compiler bootstrap -- the stage-2 and stage-3 compilations have -g settings
> toggled -- .text from these two stages should be bit-identical.
> On Thu, Mar 6, 2014 at 12:50 PM, Eric Christopher <echristo at gmail.com>wrote:
>> I wouldn't worry about it, just that code generation is often wildly
>> different on atom and so tests can fail pretty quickly on the atom bots. It
>> was mostly a heads up to watch the bots after committing something that
>> looks at particular code generation choices.
>> llvm-commits mailing list
>> llvm-commits at cs.uiuc.edu
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
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