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5 Commits

Author SHA1 Message Date
Manman Ren 01b705e9c0 ObjC Class Property: don't emit class properties on old deployment targets. 
For old deployment targets, emit nil for all class property lists.

rdar://25616128

llvm-svn: 266800
 2016-04-19 19:05:03 +00:00
Manman Ren 42ff39051d Objective-C: Add a size field to non-fragile category metadata. 
This is mainly for extensibility. Note that fragile category metadata,
metadata for classes and protocols all have a size field.

Initial patch was provided by Greg Parker.

rdar://problem/24804226

llvm-svn: 261756
 2016-02-24 17:49:50 +00:00
Manman Ren 92e0a71589 Class Property: Fix a crash with old ABI when generating metadata in classes. 
rdar://23891898

llvm-svn: 261466
 2016-02-21 05:31:05 +00:00
Manman Ren ce7bff5e7f Class Property: generate metadata for class properties in protocols. 
The list of class properties is saved in
Old ABI: protocol->ext->class_properties (protocol->ext->size will be updated)
New ABI: protocol->class_properties (protocol->size will be updated)

rdar://23891898

llvm-svn: 259268
 2016-01-29 23:46:55 +00:00
Manman Ren 96df0b33f6 Class Property: generate metadata for class properties in categories. 
The list of class properties is saved in
Old ABI: category->class_properties (category->size will be updated as well)
New ABI: category->class_properties (a flag in objc_image_info to indicate
         whether or not the list of class properties is present)

rdar://23891898

llvm-svn: 259267
 2016-01-29 23:45:01 +00:00