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Author SHA1 Message Date
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
Tim Northover a2ee433c8d ARM64: initial clang support commit. 
This adds Clang support for the ARM64 backend. There are definitely
still some rough edges, so please bring up any issues you see with
this patch.

As with the LLVM commit though, we think it'll be more useful for
merging with AArch64 from within the tree.

llvm-svn: 205100
 2014-03-29 15:09:45 +00:00
Tim Northover 1060eae78e Check for trivial constructibility before emptiness in ARM ABI. 
According to the Itanium ABI (3.1.1), types with non-trivial copy constructors
passed by value should be passed indirectly, with the caller creating a
temporary.

We got this mostly correct, but forgot that empty structs can have non-trivial
constructors too and passed them incorrectly. This simply reverses the order of
the check.

llvm-svn: 184603
 2013-06-21 22:49:34 +00:00