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Author SHA1 Message Date
John McCall dec348f7db Correctly emit certain implicit references to 'self' even within 
a lambda.

Bug #1 is that CGF's CurFuncDecl was "stuck" at lambda invocation
functions.  Fix that by generally improving getNonClosureContext
to look through lambdas and captured statements but only report
code contexts, which is generally what's wanted.  Audit uses of
CurFuncDecl and getNonClosureAncestor for correctness.

Bug #2 is that lambdas weren't specially mapping 'self' when inside
an ObjC method.  Fix that by removing the requirement for that
and using the normal EmitDeclRefLValue path in LoadObjCSelf.

rdar://13800041

llvm-svn: 181000
 2013-05-03 07:33:41 +00:00
Adrian Prantl 0f6df00e4d Bugfix/Followup for r177086. 
* Store the .block_descriptor (instead of self) in the alloca so we
  can guarantee that all captured variables are available at -O0.
* Add the missing OpDeref for the alloca.
rdar://problem/12767564

llvm-svn: 178361
 2013-03-29 19:20:35 +00:00
Adrian Prantl 5cdc1937cc Add a testcase for r177118. 
llvm-svn: 177124
 2013-03-14 22:49:05 +00:00
Adrian Prantl 51936dd0bc Allocate stack storage for .block_descriptor and captured self at -O0. 
This way the register allocator will not optimize away the debug info
for captured variables.

Fixes rdar://problem/12767564

llvm-svn: 177086
 2013-03-14 17:53:33 +00:00