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* Remove the -cxx-abi command-line flag.Hans Wennborg2014-01-141-3/+2
| | | | | | | | | | | | | | | 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
* Update tests in preparation for using the MS ABI for Win32 targetsHans Wennborg2014-01-131-1/+4
| | | | | | | | | | In preparation for making the Win32 triple imply MS ABI mode, make all tests pass in this mode, or make them use the Itanium mode explicitly. Differential Revision: http://llvm-reviews.chandlerc.com/D2401 llvm-svn: 199130
* PR5683: Issue a warning when subtracting pointers to types of zero size, andRichard Smith2013-09-101-0/+47
| | | | | | | treat such subtractions as being non-constant. Patch by Serge Pavlov! With a few tweaks by me. llvm-svn: 190439
* Clean up empty struct/union recognition.Serge Pavlov2013-06-171-4/+17
| | | | | | | | | Make use of getTypeSizeInChars to detect structs/unions of zero size. It allows more accurate detection of types of zero size. It however has a side effect - sequence of used types may change, that is why the test 'override-layout' was modified. llvm-svn: 184088
* Recognition of empty structures and unions is moved to semantic stageSerge Pavlov2013-06-081-0/+25
Differential Revision: http://llvm-reviews.chandlerc.com/D586 llvm-svn: 183609
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