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8 Commits

Author SHA1 Message Date
David Blaikie a953f2825b Update Clang tests to handle explicitly typed load changes in LLVM. 
llvm-svn: 230795
 2015-02-27 21:19:58 +00:00
David Blaikie 218b783192 Update Clang tests to handle explicitly typed gep changes in LLVM. 
llvm-svn: 230783
 2015-02-27 19:18:17 +00:00
Hal Finkel a2347baaec Mark C++ reference parameters as dereferenceable 
Because references must be initialized using some evaluated expression, they
must point to something, and a callee can assume the reference parameter is
dereferenceable. Taking advantage of a new attribute just added to LLVM, mark
them as such.

Because dereferenceability in addrspace(0) implies nonnull in the backend, we
don't need both attributes. However, we need to know the size of the object to
use the dereferenceable attribute, so for incomplete types we still emit only
nonnull.

llvm-svn: 213386
 2014-07-18 15:52:10 +00:00
Nick Lewycky 9b46eb8112 Add 'nonnull' parameter or return attribute when producing an llvm pointer type in a function type where the C++ type is a reference. Update the tests. 
llvm-svn: 209723
 2014-05-28 09:56:42 +00:00
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
Richard Smith 2bcde3a74c PR12848: When emitting a local variable declared 'constexpr', always initialize it with a store or a memcpy, not by emitting the initializer expression. This is not required for correctness, but more closely aligns with people's expectations, and is cheap (since we've already evaluated the initializer). 
llvm-svn: 183082
 2013-06-02 00:09:52 +00:00
John McCall a37c2fa409 Fix the emission of the copy-initialization of a block capture 
from a lambda capture when the capture is not trivially-copyable.

rdar://13295759

llvm-svn: 176431
 2013-03-04 06:32:36 +00:00
John McCall 7133505936 Unify the BlockDeclRefExpr and DeclRefExpr paths so that 
we correctly emit loads of BlockDeclRefExprs even when they
don't qualify as ODR-uses.  I think I'm adequately convinced
that BlockDeclRefExpr can die.

llvm-svn: 152479
 2012-03-10 03:05:10 +00:00