[PATCH] Bug 15109: Implement -Wdouble-promotion for clang

Carl Norum via cfe-commits cfe-commits at lists.llvm.org
Wed Oct 28 17:33:57 PDT 2015


Oh, that's fine. Sorry about that!

-- Carl Thanks for committing.

> On Oct 28, 2015, at 5:32 PM, George Burgess IV <george.burgess.iv at gmail.com> wrote:
> 
> Committed as r251588 -- thanks again!
> 
> FYI: I'm assuming that you meant to change the test to warn-double-promotion.c instead of leaving it as warn-double-promotion.cpp, so I made that fix for you prior to committing. If this is isn't something you wanted, please let me know. :)
> 
> 2015-10-28 17:02 GMT-07:00 Carl Norum <carl.norum at apple.com>:
> OK, here you go!
> 
> -- Carl
> 
> 
> 
> 
> > On Oct 28, 2015, at 4:53 PM, Carl Norum <carl.norum at apple.com> wrote:
> >
> >
> >> On Oct 28, 2015, at 4:37 PM, George Burgess IV <george.burgess.iv at gmail.com> wrote:
> >>
> >> Thanks for this patch! :) Just a few small nits:
> >> - Is there a reason that test/SemaCXX/warn-double-promotion.cpp can't be at test/Sema/warn-double-promotion.c instead?
> >
> > No reason; I just found warn-float-conversion.c in there and this code is similar. Can move easily.
> >
> >> - Can we make the warning message a bit more specific? Maybe something like "implicit conversion increases floating-point precision: %0 to %1"?
> >
> > Sure thing.
> >
> >> - Please get rid of the empty line after `else if (TargetBT->getKind() > SourceBT->getKind()) {`
> >
> > NP. Will send a patch shortly.
> >
> >> After those are fixed, LGTM -- will you need me to commit this for you?
> >
> > I think so yes.
> >
> > -- Carl
> >
> >
> >> On Tue, Oct 27, 2015 at 9:45 PM, Carl Norum via cfe-commits <cfe-commits at lists.llvm.org> wrote:
> >> Hi folks,
> >>
> >> I had need of this warning, so I cobbled something together. Can someone please check it out and let me know if it's reasonable? I'm certainly no expert at this stuff. Patch attached for review, thanks!
> >>
> >> -- Carl
> >>
> >>
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> >>
> >>
> >
> 
> 
> 



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