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* CodeGen: Use 32-bit gep offsets to address vtable address points.Peter Collingbourne2016-03-141-1/+1
| | | | | | | | | | | | | | | | | The relative vtable ABI will use a struct rather than an array as the type of a vtable. LLVM only allows 32-bit integers as struct indices, so we need to use 32-bit integers to get addresses of address points. In order to keep the code simple, we might as well do that unconditionally. It's probably a reasonable implementation limit to support no more than 2 billion virtual functions per class. This change causes quite a bit of churn in the test suite, so I'm making it separately. Differential Revision: http://reviews.llvm.org/D18113 llvm-svn: 263469
* Revert "Change memcpy/memset/memmove to have dest and source alignments."Pete Cooper2015-11-191-3/+3
| | | | | | | | | | This reverts commit r253512. This likely broke the bots in: http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/20202 http://bb.pgr.jp/builders/clang-3stage-i686-linux/builds/3787 llvm-svn: 253542
* Change memcpy/memset/memmove to have dest and source alignments.Pete Cooper2015-11-181-3/+3
| | | | | | | | | | | | | | | | | | | | | | This is a follow on from a similar LLVM commit: r253511. Note, this was reviewed (and more details are in) http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20151109/312083.html These intrinsics currently have an explicit alignment argument which is required to be a constant integer. It represents the alignment of the source and dest, and so must be the minimum of those. This change allows source and dest to each have their own alignments by using the alignment attribute on their arguments. The alignment argument itself is removed. The only code change to clang is hidden in CGBuilder.h which now passes both dest and source alignment to IRBuilder, instead of taking the minimum of dest and source alignments. Reviewed by Hal Finkel. llvm-svn: 253512
* Remove XFAIL now that this test passes (fixed by r236184).Richard Smith2015-04-301-1/+0
| | | | llvm-svn: 236194
* Update clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp to pass for ↵NAKAMURA Takumi2015-04-291-3/+3
| | | | | | | | targeting i686. r236155 missed the suffix in "@llvm.memcpy.p0i8.p0i8.i32". llvm-svn: 236184
* XFAIL Hexagon until more codegen in place.Rick Foos2015-04-291-0/+1
| | | | | | | | | | | | | | | | | | Summary: Hexagon is being updated, but there is not enough to pass these tests. These sections are now on top of Colin's list. Test Plan: Ran changes on hexagon-build-03. Reviewers: colinl, rfoos Reviewed By: rfoos Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D9356 llvm-svn: 236173
* Stop assuming a 64-bit target here.Richard Smith2015-04-291-3/+3
| | | | llvm-svn: 236155
* PR23373: A defaulted union copy constructor that is not trivial must still beRichard Smith2015-04-291-1/+21
| | | | | | emitted as a memcpy. llvm-svn: 236142
* Test case updates for explicit type parameter to the gep operatorDavid Blaikie2015-03-131-1/+1
| | | | llvm-svn: 232187
* Cast vtable address points to i32 (...)** to enable more globaloptReid Kleckner2014-12-031-1/+1
| | | | | | | | | | | | We currently use i32 (...)** as the type of the vptr field in the LLVM struct type. LLVM's GlobalOpt prefers any bitcasts to be on the side of the data being stored rather than on the pointer being stored to. Reviewers: majnemer Differential Revision: http://reviews.llvm.org/D5916 llvm-svn: 223267
* Mark C++ reference parameters as dereferenceableHal Finkel2014-07-181-1/+1
| | | | | | | | | | | | | | 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
* Add 'nonnull' parameter or return attribute when producing an llvm pointer ↵Nick Lewycky2014-05-281-1/+1
| | | | | | type in a function type where the C++ type is a reference. Update the tests. llvm-svn: 209723
* 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
* Prepare for using MS ABI by default for Win32: update CodeGenCXX testsHans Wennborg2013-12-131-1/+1
| | | | llvm-svn: 197281
* Restore r184205 and associated commits (after commit of r185290)Stephen Lin2013-06-301-1/+1
| | | | | | This allows clang to use the backend parameter attribute 'returned' when generating 'this'-returning constructors and destructors in ARM and MSVC C++ ABIs. llvm-svn: 185291
* Revert r184205 and associated patches while investigating issue with broken ↵Stephen Lin2013-06-191-1/+1
| | | | | | | | buildbot (possible interaction with LTO) <rdar://problem/14209661> llvm-svn: 184384
* Partially revert r184225 test changes and make a smaller and more generic fix.Stephen Lin2013-06-181-7/+3
| | | | llvm-svn: 184232
* Fix C++ constructor/destructor tests when run on ARMStephen Lin2013-06-181-3/+7
| | | | llvm-svn: 184225
* Whack a bunch of tests in CodeGenCXX to work on ARM (using ARM ABI). Batch ↵Eli Friedman2011-06-131-1/+1
| | | | | | 1 of 3 or so. llvm-svn: 132945
* Move unnamed_addr after the function arguments on Sabre's request.Rafael Espindola2011-01-251-1/+1
| | | | llvm-svn: 124210
* Add unnamed_addr to constructors and destructors.Rafael Espindola2011-01-111-1/+1
| | | | llvm-svn: 123197
* More vtable improvements. We now compute and keep track of all vtable ↵Anders Carlsson2010-03-241-1/+1
| | | | | | related information which avoids computing the same vtable layout over and over. llvm-svn: 99403
* More vtable work; preparations for moving over to the new vtable layout code ↵Anders Carlsson2010-03-241-1/+1
| | | | | | (finally). llvm-svn: 99381
* Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.Daniel Dunbar2009-12-151-1/+1
| | | | | | | | | - This is designed to make it obvious that %clang_cc1 is a "test variable" which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it can be useful to redefine what gets run as 'clang -cc1' (for example, to set a default target). llvm-svn: 91446
* Fix for PR5707: make sure implicit copy constructors initialize the vtableEli Friedman2009-12-081-0/+7
pointer. llvm-svn: 90840
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