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Author SHA1 Message Date
Stephen Lin 4362261b00 CHECK-LABEL-ify some code gen tests to improve diagnostic experience when tests fail. 
llvm-svn: 188447
 2013-08-15 06:47:53 +00:00
John McCall 4e8ca4fa14 Significantly simplify CGExprAgg's logic about ignored results: 
if we want to ignore a result, the Dest will be null.  Otherwise,
we must copy into it.  This means we need to ensure a slot when
loading from a volatile l-value.

With all that in place, fix a bug with chained assignments into
__block variables of aggregate type where we were losing insight into
the actual source of the value during the second assignment.

llvm-svn: 159630
 2012-07-02 23:58:38 +00:00
Fariborz Jahanian 99514b9168 block variables on lhs need be ir-gen'ed after the 
rhs when its 'forwarding' pointer may be modified 
in rhs evaluation as result of call to Block_copy.
// rdar://9309454

llvm-svn: 130545
 2011-04-29 21:53:21 +00:00