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6 Commits

Author SHA1 Message Date
John McCall 5fb5df9c83 Restructure how the driver communicates information about the 
target Objective-C runtime down to the frontend:  break this
down into a single target runtime kind and version, and compute
all the relevant information from that.  This makes it
relatively painless to add support for new runtimes to the
compiler.  Make the new -cc1 flag, -fobjc-runtime=blah-x.y.z,
available at the driver level as a better and more general
alternative to -fgnu-runtime and -fnext-runtime.  This new
concept of an Objective-C runtime also encompasses what we
were previously separating out as the "Objective-C ABI", so
fragile vs. non-fragile runtimes are now really modelled as
different kinds of runtime, paving the way for better overall
differentiation.

As a sort of special case, continue to accept the -cc1 flag
-fobjc-runtime-has-weak, as a sop to PLCompatibilityWeak.

I won't go so far as to say "no functionality change", even
ignoring the new driver flag, but subtle changes in driver
semantics are almost certainly not intended.

llvm-svn: 158793
 2012-06-20 06:18:46 +00:00
Fariborz Jahanian 42d05f2faf Also, these objc++ rewriter tests are meant to run in NeXt's 
fragile-abi mode.

llvm-svn: 149788
 2012-02-04 19:06:06 +00:00
Fariborz Jahanian 87b4ae6cab objective-c: Use class definition AST in several situations when 
building related objc ASTs which require a class definition AST.
These were uncovered when testing objc rewriter.

llvm-svn: 147210
 2011-12-23 00:31:02 +00:00
Fariborz Jahanian a4b2a86353 objc, objc rewriter. Fixes couple of bugs one 
because of recent refactoring and one in the
rewriter.

llvm-svn: 147070
 2011-12-21 19:48:07 +00:00
Chris Lattner 8d269dc329 make the rewriter add a #ifndef around the #define of __attribute__. 
Without it, there is no reason for a compiler that supports it to
emit the dead static globals that the rewriter labels attribute(used).

llvm-svn: 101149
 2010-04-13 17:33:56 +00:00
Fariborz Jahanian a4a925febb Change the 'super' messaging API in the rewriter. 
Fixes radar 7738452.

llvm-svn: 98190
 2010-03-10 21:17:41 +00:00