Ah, but not in the autoconf build. *sigh* We only check and added
-Wno-missing-field-initializers.
I've attempted to fix this in r244330.
-eric
On Thu, Aug 6, 2015 at 10:44 PM Craig Topper <craig.top...@gmail.com> wrote:
> I think it is on by default for clang builds
>
> # Turn off missing field initializer warnings for gcc to avoid noise
> from
> # false positives with empty {}. Turn them on otherwise (they're off by
> # default for clang).
> check_cxx_compiler_flag("-Wmissing-field-initializers"
> CXX_SUPPORTS_MISSING_FIELD_INITIALIZERS_FLAG)
> if (CXX_SUPPORTS_MISSING_FIELD_INITIALIZERS_FLAG)
> if (CMAKE_COMPILER_IS_GNUCXX)
> append("-Wno-missing-field-initializers" CMAKE_C_FLAGS
> CMAKE_CXX_FLAGS)
> else()
> append("-Wmissing-field-initializers" CMAKE_C_FLAGS
> CMAKE_CXX_FLAGS)
> endif()
> endif()
>
> On Thu, Aug 6, 2015 at 10:35 PM, Eric Christopher <echri...@gmail.com>
> wrote:
>
>> Ah thanks Craig. Perhaps we should turn that one on by default?
>>
>> On Thu, Aug 6, 2015, 10:17 PM Craig Topper <craig.top...@gmail.com>
>> wrote:
>>
>>> This was causing -Wmissing-field-initializers to fire due to Features
>>> not being assigned in BUILTIN or LIBBUILTIN macro expansions. Fixed it in
>>> r244307.
>>>
>>> On Thu, Aug 6, 2015 at 3:11 PM, Eric Christopher via cfe-commits <
>>> cfe-commits@lists.llvm.org> wrote:
>>>
>>>> Author: echristo
>>>> Date: Thu Aug 6 17:11:54 2015
>>>> New Revision: 244286
>>>>
>>>> URL: http://llvm.org/viewvc/llvm-project?rev=244286&view=rev
>>>> Log:
>>>> Continue the work from r243908 by adding a Features field to
>>>> Builtin::Info
>>>> so that we can populate it on a per-target basis with required features.
>>>>
>>>> Future commits will start using this information for warnings.
>>>>
>>>> Modified:
>>>> cfe/trunk/include/clang/Basic/Builtins.h
>>>> cfe/trunk/lib/Basic/Targets.cpp
>>>>
>>>> Modified: cfe/trunk/include/clang/Basic/Builtins.h
>>>> URL:
>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Builtins.h?rev=244286&r1=244285&r2=244286&view=diff
>>>>
>>>> ==============================================================================
>>>> --- cfe/trunk/include/clang/Basic/Builtins.h (original)
>>>> +++ cfe/trunk/include/clang/Basic/Builtins.h Thu Aug 6 17:11:54 2015
>>>> @@ -51,6 +51,7 @@ enum ID {
>>>> struct Info {
>>>> const char *Name, *Type, *Attributes, *HeaderName;
>>>> LanguageID Langs;
>>>> + const char *Features;
>>>> };
>>>>
>>>> /// \brief Holds information about both target-independent and
>>>> @@ -166,6 +167,10 @@ public:
>>>> return strchr(getRecord(ID).Attributes, 'e') != nullptr;
>>>> }
>>>>
>>>> + const char *getRequiredFeatures(unsigned ID) const {
>>>> + return getRecord(ID).Features;
>>>> + }
>>>> +
>>>> private:
>>>> const Info &getRecord(unsigned ID) const;
>>>>
>>>>
>>>> Modified: cfe/trunk/lib/Basic/Targets.cpp
>>>> URL:
>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=244286&r1=244285&r2=244286&view=diff
>>>>
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Basic/Targets.cpp (original)
>>>> +++ cfe/trunk/lib/Basic/Targets.cpp Thu Aug 6 17:11:54 2015
>>>> @@ -2001,8 +2001,10 @@ void AMDGPUTargetInfo::getGCCRegNames(co
>>>> // Namespace for x86 abstract base class
>>>> const Builtin::Info BuiltinInfo[] = {
>>>> #define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES
>>>> },
>>>> -#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS,
>>>> HEADER,\
>>>> - ALL_LANGUAGES },
>>>> +#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER)
>>>> \
>>>> + { #ID, TYPE, ATTRS, HEADER, ALL_LANGUAGES },
>>>> +#define TARGET_BUILTIN(ID, TYPE, ATTRS, FEATURE)
>>>> \
>>>> + { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES, FEATURE },
>>>> #include "clang/Basic/BuiltinsX86.def"
>>>> };
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> cfe-commits mailing list
>>>> cfe-commits@lists.llvm.org
>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>>>>
>>>
>>>
>>>
>>> --
>>> ~Craig
>>>
>>
>
>
> --
> ~Craig
>
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