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* [X86] Change getZeroVector to take an MVT instead of EVT. One minor change ↵Craig Topper2015-12-021-5/+5
| | | | | | needed to only try to perform 256-it shuffle combines on legal vector types. llvm-svn: 254490
* [llvm-dwp] Emit a rather fictional debug_cu_indexDavid Blaikie2015-12-027-43/+128
| | | | | | | | | | | | | | This is very rudimentary support for debug_cu_index, but it is enough to allow llvm-dwarfdump to find the offsets for contributions and correctly dump debug_info. It will need to actually find the real signature of the unit and build the real hash table with the right number of buckets, as per the DWP specification. It will also need to be expanded to cover the tu_index as well. llvm-svn: 254489
* DebugInfo\DWARF: Privatize some accidentally public membersDavid Blaikie2015-12-021-0/+1
| | | | llvm-svn: 254488
* [X86] Fix weird identation. NFCCraig Topper2015-12-021-10/+10
| | | | llvm-svn: 254487
* Change ModuleLinker to take a set of GlobalValues to import instead of a ↵Mehdi Amini2015-12-024-8/+15
| | | | | | | | | | | | single one For efficiency reason, when importing multiple functions for the same Module, we can avoid reparsing it every time. Differential Revision: http://reviews.llvm.org/D15102 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 254486
* [libFuzzer] add a test that is built with -fsanitize-coverage=trace-bbKostya Serebryany2015-12-022-0/+22
| | | | llvm-svn: 254484
* [sanitizer coverage] when adding a bb trace instrumentation, do it instead, ↵Kostya Serebryany2015-12-021-15/+10
| | | | | | not in addition to, regular coverage. Do the regular coverage in the run-time instead llvm-svn: 254482
* [X86] Fix a think-o when checking if the eflags needs to be preserved.Quentin Colombet2015-12-021-1/+7
| | | | llvm-svn: 254480
* Modify FunctionImport to take a callback to load modulesMehdi Amini2015-12-022-13/+29
| | | | | | | | | | | | When linking static archive, there is no individual module files to load. Instead they can be mmap'ed and could be initialized from a buffer directly. The callback provide flexibility to override the scheme for loading module from the summary. Differential Revision: http://reviews.llvm.org/D15101 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 254479
* [X86] Make sure the prologue does not clobber EFLAGS when it lives accross it.Quentin Colombet2015-12-022-43/+139
| | | | | | | | This is a superset of the fix done in r254448. This fixes PR25607. llvm-svn: 254478
* AArch64: fix 128-bit shiftsTim Northover2015-12-022-70/+97
| | | | | | | | | | | | | | We mustn't introduce a shift of exactly 64-bits for any inputs, since that's an UNDEF value (and worse, it's not what you want with the natural Arch64 implementation). The generated code is pretty horrific, but I couldn't come up with an obviously better alternative (if the amount is constant EXTR could help). Turns out 128-bit shifts are just nasty. rdar://22491037 llvm-svn: 254475
* Use default member initializers.Rafael Espindola2015-12-011-4/+3
| | | | llvm-svn: 254473
* Define member operator deleteXinliang David Li2015-12-011-0/+1
| | | | | | | | | | For the struct with trailing objects, define a member operator delete. Without this, the program will fail when -fsized-deallocation option is used where the wrong size will be passed to the global delete operator. llvm-svn: 254471
* AMDGPU: Error on addrspacecasts that aren't actually implementedMatt Arsenault2015-12-013-56/+73
| | | | llvm-svn: 254469
* AMDGPU: Implement isNoopAddrSpaceCastMatt Arsenault2015-12-013-0/+79
| | | | llvm-svn: 254468
* Remove unnecessary getter.Rafael Espindola2015-12-011-4/+1
| | | | llvm-svn: 254466
* Pass down the dst GV to linkGlobalValueBody. NFC.Rafael Espindola2015-12-011-9/+7
| | | | llvm-svn: 254465
* Fix a bug in IfConversion.cpp.Cong Hou2015-12-011-3/+2
| | | | | | | | The bug is introduced in r254377 which failed some tests on ARM, where a new probability is assigned to a successor but the provided BB may not be a successor. llvm-svn: 254463
* ARM: Change ArchCheck field to uint64_tMatthias Braun2015-12-011-1/+1
| | | | | | | | The values in this field are compared against getAvailableFeatures() which returns an uint64_t. This was causing problems in an internal branch. llvm-svn: 254462
* AMDGPU: Disallow flat_scr in SI assemblerMatt Arsenault2015-12-012-3/+52
| | | | llvm-svn: 254459
* [PGO] Add support for reading multiple versions of indexed profile format ↵Xinliang David Li2015-12-013-50/+70
| | | | | | | | | | | profile data Profile readers using incompatible on-disk hash table format can now share the same implementation and interfaces. Differential Revision: http://reviews.llvm.org/D15100 llvm-svn: 254458
* Delete unused includes.Rafael Espindola2015-12-011-9/+0
| | | | llvm-svn: 254457
* IR: Clean up some duplicated code in ConstantDataSequential creation. NFCJustin Bogner2015-12-011-136/+57
| | | | | | | | ConstantDataArray::getImpl and ConstantDataVector::getImpl had a lot of copy pasta in how they handled sequences of constants. Break that out into a couple of simple functions. llvm-svn: 254456
* clang-format LinkModules.cpp.Rafael Espindola2015-12-011-19/+19
| | | | | | | Most of the file has been changed recently and was already clang-format clean. llvm-svn: 254454
* use range-based for loops; NFCISanjay Patel2015-12-011-12/+6
| | | | llvm-svn: 254453
* AMDGPU: Optimize VOP2 operand legalizationMatt Arsenault2015-12-013-45/+149
| | | | | | | | | | | | | | | | | | Don't use commuteInstruction, and don't commute if doing so will not improve legality. Skip the more complex checks for literal operands and constant bus restrictions, which are not a concern for VOP2 instructions because src1 does not accept SGPRs or constants and few implicitly read vcc. This gets called quite a few times and the attempts at commuting are a significant fraction of the time spent in SIFixSGPRCopies, so it's somewhat worthwhile to optimize. With this patch and others leading up to it, this reduces the compile time of SIFixSGPRCopies on some of the LuxMark 2 kernels from ~8ms to ~5ms on my system. llvm-svn: 254452
* Use references now that it is natural to do so.Rafael Espindola2015-12-019-107/+101
| | | | | | | The linker never takes ownership of a module or changes which module it is refering to, making it natural to use references. llvm-svn: 254449
* [X86] Make sure the prologue does not clobber EFLAGS when it lives accross it.Quentin Colombet2015-12-012-1/+123
| | | | | | This fixes PR25629. llvm-svn: 254448
* Use nullptr (NFC)Xinliang David Li2015-12-012-2/+2
| | | | llvm-svn: 254447
* don't repeat function/variable names in comments; NFCSanjay Patel2015-12-011-64/+57
| | | | llvm-svn: 254445
* Fix Thumb1 epilogue generationArtyom Skrobov2015-12-012-12/+115
| | | | | | | | | | | | | | Summary: This had been broken for a very long time, but nobody noticed until D14357 enabled shrink-wrapping by default. Reviewers: jroelofs, qcolombet Subscribers: tyomitch, llvm-commits, rengolin Differential Revision: http://reviews.llvm.org/D14986 llvm-svn: 254444
* fix typo; NFCSanjay Patel2015-12-011-1/+1
| | | | llvm-svn: 254442
* [llvm-dwp] Deduplicate strings in the debug_str.dwo sectionDavid Blaikie2015-12-012-18/+22
| | | | | | | Also, ensure that references to those strings in debug_str_offsets.dwo correctly refer to the deduplicated strings. llvm-svn: 254441
* [AArch64] Fix a corner case in BitFeild selectWeiming Zhao2015-12-012-5/+33
| | | | | | | | | | | | | | | | | Summary: When not useful bits, BitWidth becomes 0 and APInt will not be happy. See https://llvm.org/bugs/show_bug.cgi?id=25571 We can just mark the operand as IMPLICIT_DEF is none bits of it is used. Reviewers: t.p.northover, jmolloy Subscribers: gberry, jmolloy, mgrang, aemerson, llvm-commits, rengolin Differential Revision: http://reviews.llvm.org/D14803 llvm-svn: 254440
* AMDGPU: Report extractelement as free in cost modelMatt Arsenault2015-12-014-0/+125
| | | | | | | | | | | | The cost for scalarized operations is computed as N * (scalar operation cost + 1 extractelement + 1 insertelement). This partially fixes inflating the cost of scalarized operations since every operation is scalarized and free. I don't think we want any cost asociated with scalarization, but for now insertelement is still counted. I'm not sure if we should pretend that insertelement is also free, or add a way to compute a custom scalarization cost. llvm-svn: 254438
* [Verifier] Improve error for cross-module refsKeno Fischer2015-12-012-3/+57
| | | | | | | | | | | | | | By including the module name in the error message. This makes the error message much more useful and saves a trip to the debugger. Reviewers: dexonsmith Subscribers: dexonsmith, llvm-commits Differential Revision: http://reviews.llvm.org/D14473 llvm-svn: 254437
* Delete dead code.Rafael Espindola2015-12-012-6/+0
| | | | llvm-svn: 254436
* Use a forwarding constructor instead of an init method.Rafael Espindola2015-12-012-11/+5
| | | | llvm-svn: 254435
* Delete the setModule method from the Linker.Rafael Espindola2015-12-014-13/+6
| | | | | | | | | | | It was only used from LTO for a debug feature, and LTO can just create another linker. It is pretty odd to have a method to reset the module in the middle of a link. It would make IdentifiedStructTypes inconsistent with the Module for example. llvm-svn: 254434
* [llvm-dwp] Correctly update debug_str_offsets.dwo when linking dwo filesDavid Blaikie2015-12-012-20/+71
| | | | | | | | | | This doesn't deduplicate strings in the debug_str section, nor does it properly wire up the index so that debug_info can /find/ these strings, but it does correct the str_offsets specifically. Follow up patches to address those related/next issues. llvm-svn: 254431
* AMDGPU/SI: Remove REGISTER_STORE/REGISTER_LOAD code which is now deadTom Stellard2015-12-013-81/+0
| | | | | | | | | | Reviewers: arsenm Subscribers: arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D15050 llvm-svn: 254427
* AMDGPU: Use the default strings for data emission directivesTom Stellard2015-12-011-7/+0
| | | | | | | | | | | | | | Summary: This makes the assembly output look nicer and there is no reason to have custom strings for these. Reviewers: arsenm Subscribers: arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D14671 llvm-svn: 254426
* [x86] add a convenience method to check for FMA capability; NFCISanjay Patel2015-12-012-5/+4
| | | | llvm-svn: 254425
* Make appending var linking less of a special case.Rafael Espindola2015-12-011-75/+36
| | | | | | | | | | | | | | | | | | It has to be a bit special because: * materializeInitFor is not really supposed to call replaceAllUsesWith. The caller has a plain variable with Dst and expects just the initializer to be set, not for it to be removed. * Calling mutateType as we used to do before gets some type inconsistency which breaks the bitcode writer. * If linkAppendingVarProto create a dest decl with the correct type to avoid the above problems, it needs to put the original dst init in some side table for materializeInitFor to use. In the end the simplest solution seems to be to just have linkAppendingVarProto do all the work and set ValueMap[SrcGV to avoid recursion. llvm-svn: 254424
* [ThinLTO] Wrap dbgs() output in DEBUG macroTeresa Johnson2015-12-011-5/+5
| | | | | | Missed in a couple places. llvm-svn: 254422
* [ThinLTO] Remove stale comment (NFC)Teresa Johnson2015-12-011-4/+0
| | | | | | Stale as of r254036 which added basic profitability check. llvm-svn: 254421
* Simplify test. NFC.Rafael Espindola2015-12-011-3/+2
| | | | llvm-svn: 254419
* Bring r254336 back:Rafael Espindola2015-12-018-80/+153
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The difference is that now we don't error on out-of-comdat access to internal global values. We copy them instead. This seems to match the expectation of COFF linkers (see pr25686). Original message: Start deciding earlier what to link. A traditional linker is roughly split in symbol resolution and "copying stuff". The two tasks are badly mixed in lib/Linker. This starts splitting them apart. With this patch there are no direct call to linkGlobalValueBody or linkGlobalValueProto. Everything is linked via WapValue. This also includes a few fixes: * A GV goes undefined if the comdat is dropped (comdat11.ll). * We error if an internal GV goes undefined (comdat13.ll). * We don't link an unused comdat. The first two match the behavior of an ELF linker. The second one is equivalent to running globaldce on the input. llvm-svn: 254418
* [LIR] Push check into helper function. NFC.Chad Rosier2015-12-011-4/+4
| | | | llvm-svn: 254416
* Fix "WARNING: Title underline too short." introduced by r254404.Yury Gribov2015-12-011-1/+1
| | | | | | Patch by Max Ostapenko. llvm-svn: 254413
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