[swift-users] libswift frontend ios

Mon Mar 14 23:32:21 CDT 2016

Thanks for quick help on this, I am not looking for JIT-compiled, just want
to have an AST / LLVM IR from source that will be Translated to JS.

On Mon, Mar 14, 2016 at 10:14 PM, Jordan Rose <jordan_rose at apple.com> wrote:

> The Clang importer is used both for SwiftShims and for code generation;
> you can't just chop it out. You may be able to get away with explicitly
> passing an empty SDKPath, though; that keeps it from trying to look up
> things in /.
>
> Just to be sure, you know you won't be able to *execute* the LLVM IR you
> emit, right? iOS doesn't support JIT-compiled code (other than the
> JavaScript JIT).
>
> Jordan
>
>
> On Mar 14, 2016, at 4:45 , Ramakrishna Mallireddy via swift-users <
> swift-users at swift.org> wrote:
>
> Initially I got missing module "Swift" then I provided the missing module
> and now I am getting error: missing module "SwiftShims".
>
> I have searched the entire swift build generated lib folder and have not
> found this module except the shims folder.
>
> How do I locate this module, In OSX also I got the same error flow  [by
> deleting the entire lib/swift folder to generate this error/issue] and when
> I provided the respective swift module & shims directory under
> lib/swift/shims I was able to past this error message but the same doesn't
> helping for iOS.
>
> Thanks
> Ramakrishna
>
> On Sat, Mar 12, 2016 at 6:43 PM, Ramakrishna Mallireddy <
> ramakrishna.malli at gmail.com> wrote:
>
>> If I remove ClangImporter related code in swift front-end, I am able to
>> start the app. so just want to know what features I miss without
>> ClangImporter. I want to emit LLVM IR assembly for pure swift code. ObjC/C
>> is not something I want to deal with right now.
>>
>> Inputs on any unexpected things I might face going forward without
>> ClangImporter in this regard will greatly helpful.
>>
>>
>> Thanks
>> Ramakrishna
>>
>>
>> On Sat, Mar 12, 2016 at 12:53 AM, Joe Groff <jgroff at apple.com> wrote:
>>
>>>
>>> On Mar 11, 2016, at 11:21 AM, Ramakrishna Mallireddy <
>>> ramakrishna.malli at gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> I have build clang, llvm , swift for iOS and added these libraries to a
>>> sample single-view project and the app crash's before it reach appdelegate.
>>>
>>> Not able to see what going wrong. could anyone help me to move forward.
>>> I don't know where this *libLLVMContainer *came from*.*
>>>
>>> No idea, sorry. You might have better luck asking the LLVM mailing
>>> lists, since the crash here is inside LLVM's pass manager.
>>>
>>> -Joe
>>>
>>> * thread #1: tid = 0x253e8, 0x07a3bddb
>>> libsystem_pthread.dylib`_pthread_rwlock_check_init + 11, queue =
>>> 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1,
>>> address=0x40000000)
>>>
>>>   * frame #0: 0x07a3bddb
>>> libsystem_pthread.dylib`_pthread_rwlock_check_init + 11
>>>
>>>     frame #1: 0x07a3baf0 libsystem_pthread.dylib`_pthread_rwlock_lock +
>>> 25
>>>
>>>     frame #2: 0x07a40fcc
>>> libsystem_pthread.dylib`pthread_rwlock_wrlock$UNIX2003 + 23
>>>
>>>     frame #3: 0x0d57ff13
>>> libLLVMContainer.dylib`llvm::sys::RWMutexImpl::writer_acquire() + 19
>>>
>>>     frame #4: 0x0d4dab12
>>> libLLVMContainer.dylib`llvm::PassRegistry::addRegistrationListener(llvm::PassRegistrationListener*)
>>> + 34
>>>
>>>     frame #5: 0x0d4d667e
>>> libLLVMContainer.dylib`llvm::PassNameParser::PassNameParser() + 78
>>>
>>>     frame #6: 0x0d4cdad3
>>> libLLVMContainer.dylib`_GLOBAL__sub_I_LegacyPassManager.cpp + 1299
>>>
>>>     frame #7: 0x0187e20f
>>>
>>>     frame #8: 0x0187e368
>>>
>>>     frame #9: 0x01879a01
>>>
>>>     frame #10: 0x01879994
>>>
>>>     frame #11: 0x01879994
>>>
>>>     frame #12: 0x01879994
>>>
>>>     frame #13: 0x01879994
>>>
>>>     frame #14: 0x01879994
>>>
>>>     frame #15: 0x01879994
>>>
>>>     frame #16: 0x01879994
>>>
>>>     frame #17: 0x01879994
>>>
>>>     frame #18: 0x01878d54
>>>
>>>     frame #19: 0x01878de3
>>>
>>>     frame #20: 0x0186ec50
>>>
>>>     frame #21: 0x018722c7
>>>
>>>     frame #22: 0x0186e1f9
>>>
>>>     frame #23: 0x8fe97118 dyld`dyld::useSimulatorDyld(int, macho_header
>>> const*, char const*, int, char const**, char const**, char const**,
>>> unsigned long*) + 1053
>>>
>>>     frame #24: 0x8fe961f2 dyld`dyld::_main(macho_header const*, unsigned
>>> long, int, char const**, char const**, char const**, unsigned long*) + 202
>>>
>>>     frame #25: 0x8fe92232 dyld`dyldbootstrap::start(macho_header const*,
>>> int, char const**, long, macho_header const*, unsigned long*) + 428
>>>
>>>     frame #26: 0x8fe92047 dyld`_dyld_start + 71
>>>
>>>
>>> Thanks
>>>
>>> Ramakrishna
>>>
>>> On Wed, Feb 24, 2016 at 3:16 AM, Ramakrishna Mallireddy <
>>> ramakrishna.malli at gmail.com> wrote:
>>>
>>>> Thanks Joe, The build is complete.
>>>>
>>>> On Wed, Feb 24, 2016 at 2:33 AM, Joe Groff <jgroff at apple.com> wrote:
>>>>
>>>>> Sorry, it looks like the magic combination is
>>>>>
>>>>> #if defined(__APPLE__)
>>>>> #include <TargetConditionals.h>
>>>>> #endif
>>>>>
>>>>> #if (TARGET_OS_MAC && !TARGET_OS_IPHONE) || defined(__FreeBSD__)
>>>>> ...do REPL stuff...
>>>>> #endif
>>>>>
>>>>> -Joe
>>>>>
>>>>> On Feb 23, 2016, at 12:42 PM, Ramakrishna Mallireddy <
>>>>> ramakrishna.malli at gmail.com> wrote:
>>>>>
>>>>> __MACOSX__ is not defined, where can I defined this, so that it only
>>>>> effects mac build.
>>>>>
>>>>> On Wed, Feb 24, 2016 at 1:57 AM, Joe Groff <jgroff at apple.com> wrote:
>>>>>
>>>>>>
>>>>>> > On Feb 23, 2016, at 12:22 PM, Ramakrishna Mallireddy <
>>>>>> ramakrishna.malli at gmail.com> wrote:
>>>>>> >
>>>>>> > I am using the build-script that comes with swift repository. If i
>>>>>> remove Immediate dir completely from the build, mac_os build complains[as
>>>>>> this will always invoke]. If I redefine the #if then I am getting a dozen
>>>>>> errors that are part of histedit.h
>>>>>>
>>>>>> You will need to update the other #if __APPLE__ conditions in the
>>>>>> file to match too.
>>>>>>
>>>>>> -Joe
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>
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