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* IR: Make metadata typeless in assembly, clang sideDuncan P. N. Exon Smith2014-12-151-4/+4
| | | | | | Match LLVM changes from r224257. llvm-svn: 224259
* Remove the -cxx-abi command-line flag.Hans Wennborg2014-01-141-1/+1
| | | | | | | | | | | | | | | This makes the C++ ABI depend entirely on the target: MS ABI for -win32 triples, Itanium otherwise. It's no longer possible to do weird combinations. To be able to run a test with a specific ABI without constraining it to a specific triple, new substitutions are added to lit: %itanium_abi_triple and %ms_abi_triple can be used to get the current target triple adjusted to the desired ABI. For example, if the test suite is running with the i686-pc-win32 target, %itanium_abi_triple will expand to i686-pc-mingw32. Differential Revision: http://llvm-reviews.chandlerc.com/D2545 llvm-svn: 199250
* [ms-cxxabi] Construct and destroy call arguments in the correct orderReid Kleckner2013-12-041-2/+2
| | | | | | | | | | | | | | | | | | | Summary: MSVC destroys arguments in the callee from left to right. Because C++ objects have to be destroyed in the reverse order of construction, Clang has to construct arguments from right to left and destroy arguments from left to right. This patch fixes the ordering by reversing the order of evaluation of all call arguments under the MS C++ ABI. Fixes PR18035. Reviewers: rsmith Differential Revision: http://llvm-reviews.chandlerc.com/D2275 llvm-svn: 196402
* Add a mangler entry point for TBAA rather than using RTTI directlyReid Kleckner2013-11-191-0/+22
Summary: RTTI is not yet implemented for the Microsoft C++ ABI and isn't expected soon. We could easily add the mangling, but the error is what prevents us from silently miscompiling code that expects RTTI. Instead, add a new mangleTypeName entry point that simply forwards to mangleName or mangleType to produce a string that isn't part of the ABI. Itanium can continue to use RTTI names to avoid unecessary test breakage. This also seems like the right design. The fact that TBAA names happen to be RTTI names is now an implementation detail of the mangler, rather than part of TBAA. Differential Revision: http://llvm-reviews.chandlerc.com/D2153 llvm-svn: 195168
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