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2016-05-24[codeview, pdb] Dump symbol records in publics streamHEADmasterZachary Turner4-8/+67
Differential Revision: http://reviews.llvm.org/D20580 Reviewed By: ruiu git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270597 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-24Dump symbol record details in llvm-pdbdumpZachary Turner1-2/+5
This makes use of the newly introduced `CVSymbolVisitor` to dump details of each type of symbol record in the symbol streams. Future patches will bring this visitor based dumping to the publics stream, as well as creating a `SymbolDumpDelegate` to print more information about relocations etc. Differential Revision: http://reviews.llvm.org/D20545 Reviewed By: ruiu git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270585 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-24[ThinLTO] Change ODR resolution and internalization to be index-basedTeresa Johnson2-2/+17
Summary: This patch changes the ODR resolution and internalization to be based on updates to the Index, which are consumed by the backend portion of the transformations. It will be followed by an NFC change to move these out of libLTO's ThinLTOCodeGenerator so that it can be used by other linkers (gold and lld) and by ThinLTO distributed backends. The global summary-based portions use callbacks so that the client can determine the prevailing copy and other information in a client-specific way. Eventually, with the API being developed in D20268, these may be modified to use information such as symbol resolutions, supplied by the clients to the API. Reviewers: joker-eph Subscribers: joker.eph, pcc, llvm-commits Differential Revision: http://reviews.llvm.org/D20290 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270584 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-24Recommit r270070 ([llvm-mc] - Teach llvm-mc to generate compressed debug ↵George Rimar2-4/+1
sections in zlib style.) Now, after landing r270560, r270557, r270320 it is a proper time. Original commit message: [llvm-mc] - Teach llvm-mc to generate compressed debug sections in zlib style. Before this patch llvm-mc generated zlib-gnu styled sections. That means no SHF_COMPRESSED flag was set, magic 'zlib' signature was used in combination with full size field. Sections were renamed to "*.z*". This patch reimplements the compression style to zlib one as zlib-gnu looks to be depricated everywhere. Differential revision: http://reviews.llvm.org/D20331 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270569 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-24Recommit r270547 ([llvm-dwarfdump] - Teach dwarfdump to decompress debug ↵George Rimar4-0/+14
sections in zlib style.) Fix was: 1) Had to regenerate dwarfdump-test-zlib.elf-x86-64, dwarfdump-test-zlib-gnu.elf-x86-64 (because llvm-symbolizer-zlib.test uses that inputs for its purposes and failed). 2) Updated llvm-symbolizer-zlib.test (updated used call function address to match new files + added one more check for newly created dwarfdump-test-zlib-gnu.elf-x86-64 binary input). 3) Updated comment in dwarfdump-test-zlib.cc. Original commit message: [llvm-dwarfdump] - Teach dwarfdump to decompress debug sections in zlib style. Before this llvm-dwarfdump only recognized zlib-gnu compression style of headers, this patch adds support for zlib style. It looks reasonable to support both styles for dumping, even if we are not going to suport generating of deprecated gnu one. Differential revision: http://reviews.llvm.org/D20470 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270557 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-24Revert r270543 ("Recommit r270540")George Rimar4-14/+0
Failed build bot in another test. I am sorry for noise. http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_check/23679/testReport/junit/LLVM/DebugInfo/llvm_symbolizer_zlib_test/ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270547 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-24Recommit r270540George Rimar4-0/+14
fix: forgot to commit the updated dwarfdump-test-zlib.elf-x86-64 Original commit message: [llvm-dwarfdump] - Teach dwarfdump to decompress debug sections in zlib style. Before this llvm-dwarfdump only recognized zlib-gnu compression style of headers, this patch adds support for zlib style. It looks reasonable to support both styles for dumping, even if we are not going to suport generating of deprecated gnu one. Differential revision: http://reviews.llvm.org/D20470 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270543 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-24Revert r270540 "[llvm-dwarfdump] - Teach dwarfdump to decompress debug ↵George Rimar4-14/+0
sections in zlib style." it broked bot: http://lab.llvm.org:8011/builders/clang-s390x-linux/builds/5036 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270541 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-24[llvm-dwarfdump] - Teach dwarfdump to decompress debug sections in zlib style.George Rimar4-0/+14
Before this llvm-dwarfdump only recognized zlib-gnu compression style of headers, this patch adds support for zlib style. It looks reasonable to support both styles for dumping, even if we are not going to suport generating of deprecated gnu one. Differential revision: http://reviews.llvm.org/D20470 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270540 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23Fix build errorZachary Turner1-1/+1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270513 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23Make a symbol visitor and use it to dump CV symbols.Zachary Turner6-18/+290
Differential Revision: http://reviews.llvm.org/D20534 Reviewed By: rnk git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270511 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23[ThinLTO] Refactor module loader handling into new LTO file (NFC)Teresa Johnson1-0/+52
Moved the ModuleLoader and supporting helper loadModuleFromBuffer out of ThinLTOCodeGenerator and into new LTO.h/LTO.cpp files. This is in preparation for a patch that will utilize these in the gold-plugin. Note that there are some other pending patches (D20268 and D20290) that also plan to refactor common interfaces and functionality into this same pair of new files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270509 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23[X86][SSE] The int_x86_sse41_pmovsx* intrinsics are no longer in use (not ↵Simon Pilgrim1-18/+0
since D13002!) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270497 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23Avoid including AlwaysInliner pass in opt-bisect search.Andrew Kaylor1-0/+6
Differential Revision: http://reviews.llvm.org/D19640 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270495 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23Add the printing the Mach-O (__LLVM,__bundle) xar archive file section ↵Kevin Enderby1-0/+3
"verbosely" to llvm-objdump. This section is created with -fembed-bitcode option. This requires the use of libxar and the Cmake and lit support were crafted by Chris Bieneman! rdar://26202242 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270491 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23Modify emitTypeInformation to use MemoryTypeTableBuilder, take 2Reid Kleckner1-0/+2
This effectively revers commit r270389 and re-lands r270106, but it's almost a rewrite. The behavior change in r270106 was that we could no longer assume that each LF_FUNC_ID record got its own type index. This patch adds a map from DINode* to TypeIndex, so we can stop making that assumption. This change also emits padding bytes between type records similar to the way MSVC does. The size of the type record includes the padding bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270485 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23[codeview] Refactor symbol records to use same pattern as types.Zachary Turner2-141/+979
This will pave the way to introduce a full fledged symbol visitor similar to how we have a type visitor, thus allowing the same dumping code to be used in llvm-readobj and llvm-pdbdump. Differential Revision: http://reviews.llvm.org/D20384 Reviewed By: rnk git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270475 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23SDAG: Remove the transitional default Select() implementationJustin Bogner1-33/+1
In r268693, we started requiring that SelectionDAGISel::Select return void, but provided a default implementation that did just that by calling into the old interface. Now that all targets have been updated, we'll just remove the default implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270454 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23Extract renaming from D19181Amaury Sechet1-1/+1
Summary: This needs to get in before anything is released concerning attribute. If the old name gets in the wild, then we are stuck with it forever. Putting it in its own diff should getting that part at least in fast. Reviewers: Wallbraker, whitequark, joker.eph, echristo, rafael, jyknight Subscribers: llvm-commits, joker.eph Differential Revision: http://reviews.llvm.org/D20417 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270452 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23[X86][RTM] _xabort() should not have "noreturn" attributeAsaf Badouh1-1/+1
Differential Revision: http://reviews.llvm.org/D20518 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270437 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-23[SCCP] Update comment to reflect reality.Davide Italiano1-1/+1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270413 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-22bug fix: trim section specifier name lengthXinliang David Li1-2/+2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270349 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-21[profile] Static counter allocation for value profiling (part-1)Xinliang David Li3-1/+34
Differential Revision: http://reviews.llvm.org/D20459 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270336 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-21[RegBankSelect] Compute the repairing cost for copies.Quentin Colombet1-0/+9
Prior to this patch, we were using 1 for all the repairing costs. Now, we use the information from the target to get this information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270304 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-21[RegisterBankInfo] Fix the initialization of the map VT to RegBank.Quentin Colombet1-1/+4
Prior to this patch we could have read uninitialized memory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270303 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20LiveIntervalAnalysis: Rework constructMainRangeFromSubranges()Matthias Braun2-4/+5
We now use LiveRangeCalc::extendToUses() instead of a specially designed algorithm in constructMainRangeFromSubranges(): - The original motivation for constructMainRangeFromSubranges() were differences between the main liverange and subranges because of hidden dead definitions. This case however cannot happen anymore with the DetectDeadLaneMasks pass in place. - It simplifies the code. - This fixes a longstanding bug where we did not properly create new SSA values on merging control flow (the MachineVerifier missed most of these cases). - Move constructMainRangeFromSubranges() to LiveIntervalAnalysis and LiveRangeCalc to better match the implementation/available helper functions. This re-applies r269016. The fixes from r270290 and r270259 should avoid the machine verifier problems this time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270291 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20Add a configure-time check for the existence of sigaltstack. It seems that someRichard Smith1-0/+3
systems provide a <signal.h> that doesn't declare it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270278 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[esan] Use ModulePass for EfficiencySanitizerPass.Derek Bruening1-1/+1
Summary: Uses ModulePass instead of FunctionPass for EfficiencySanitizerPass to better support global variable creation for a forthcoming struct field counter tool. Patch by Qin Zhao. Reviewers: aizatsky Subscribers: llvm-commits, eugenis, vitalybuka, bruening, kcc Differential Revision: http://reviews.llvm.org/D20458 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270263 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20pdbdump: print out symbol names referred by publics stream.Rui Ueyama3-2/+51
DBI stream contains a stream number of the symbol record stream. Symbol record streams is an array of length-type-value members. Each member represents one symbol. Publics stream contains offsets to the symbol record stream. This patch is to print out all symbols that are referenced by the publics stream. Note that even with this patch, llvm-pdbdump cannot dump all the information in a publics stream since it contains more information than symbol names. I'll improve it in followup patches. Differential Revision: http://reviews.llvm.org/D20480 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270262 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20LiveIntervalAnalysis: Fix missing defs in renameDisconnectedComponents().Matthias Braun1-2/+4
Fix renameDisconnectedComponents() creating vreg uses that can be reached from function begin withouthaving a definition (or explicit live-in). Fix this by inserting IMPLICIT_DEF instruction before control-flow joins as necessary. Removes an assert from MachineScheduler because we may now get additional IMPLICIT_DEF when preparing the scheduling policy. This fixes the underlying problem of http://llvm.org/PR27705 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270259 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Look for the best mapping in greedy mode.Quentin Colombet1-0/+7
The Fast mode takes the first mapping, the greedy mode loops over all the possible mapping for an instruction and choose the cheaper one. Test case will come with target specific code, since we currently do not have instructions that have several mappings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270249 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Get rid of a now dead method: setSafeInsertPoint.Quentin Colombet1-5/+0
This is now encapsulated in the RepairingPlacement class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270247 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Take advantage of a potential best cost information inQuentin Colombet1-1/+6
computeMapping. Computing the cost of a mapping takes some time. Since in Fast mode, the cost is irrelevant, just spare some cycles by not computing it. In Greedy mode, we need to choose the best cost, that means that when the local cost gets more expensive than the best cost, we can stop computing the repairing and cost for the current mapping. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270245 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Use frequency and probability information to computeQuentin Colombet1-0/+12
more precise cost in Greedy mode. In Fast mode the cost is irrelevant so do not bother requiring that those passes get scheduled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270244 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[obj2yaml][yaml2obj] Adding enumFallback for MachO load commandsChris Bieneman2-3/+5
This adds support for handling unknown load commands, and a bogus_load_command tests. Unknown or unsupported load commands can be specified in YAML by their hex value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270239 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Specify different optimization mode for the pass.Quentin Colombet1-2/+15
The mode should be choose by the target when instantiating the pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270235 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Add a method to avoid splitting while repairing.Quentin Colombet1-0/+12
The previous choice of the insertion points for repairing was straightfoward but may introduce some basic block or edge splitting. In some situation this is something we can avoid. For instance, when repairing a phi argument, instead of placing the repairing on the related incoming edge, we may move it to the previous block, before the terminators. This is only possible when the argument is not defined by one of the terminator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270232 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20Simplify handling of hidden stubs on PowerPC.Rafael Espindola1-12/+0
We now handle them just like non hidden ones. This was already the case on x86 (r207518) and arm (r207517). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270205 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[ProfileData] Thread unique_ptr through the summary builder to avoid leaks.Benjamin Kramer1-2/+2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270195 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[Coverage] Fix an issue where improper coverage mapping data could be loaded ↵Igor Kudrin1-0/+10
for an inline function. If an inline function is observed but unused in a translation unit, dummy coverage mapping data with zero hash is stored for this function. If such a coverage mapping section came earlier than real one, the latter was ignored. As a result, llvm-cov was unable to show coverage information for those functions. Differential Revision: http://reviews.llvm.org/D20286 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270194 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20Target: move enum back into MCSaleem Abdulrasool2-9/+9
Move the enumeration back to avoid the layering violation. Should repair the modules build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270184 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20Target: move the EH enumeration and add optionSaleem Abdulrasool2-14/+20
Move the ExceptionHandling enumeration into TargetOptions and introduce a field to track the desired exception model. This will allow us to set the exception model from the frontend (needed to optionally use SjLj EH on other targets where zero-cost is available and preferred). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270178 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Refactor the code to split the repairing and mapping ofQuentin Colombet1-9/+38
an instruction. Use the previously introduced RepairingPlacement class to split the code computing the repairing placement from the code doing the actual placement. That way, we will be able to consider different placement and then, only apply the best one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270168 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Add helper class for repairing code placement.Quentin Colombet1-0/+296
When assigning the register banks we may have to insert repairing code to move already assigned values accross register banks. Introduce a few helper classes to keep track of what is involved in the repairing of an operand: - InsertPoint and its derived classes record the positions, in the CFG, where repairing has to be inserted. - RepairingPlacement holds all the insert points for the repairing of an operand plus the kind of action that is required to do the repairing. This is going to be used to keep track of how the repairing should be done, while comparing different solutions for an instruction. Indeed, we will need the repairing placement to capture the cost of a solution and we do not want to compute it a second time when we do the actual repairing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270167 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Refactor assignmentMatch to avoid testing the currentQuentin Colombet1-1/+5
register bank twice. Prior to this change, we were checking if the assignment for the current machine operand was matching, then we would check if the mismatch requires to insert repair code. We actually already have this information from the first check, so just pass it along. NFCI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270166 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20[RegBankSelect] Introduce MappingCost helper class.Quentin Colombet1-0/+63
This helper class will be used to represent the cost of mapping an instruction to a specific register bank. The particularity of these costs is that they are mostly local, thus the frequency of the basic block is irrelevant. However, for few instructions (e.g., phis and terminators), the cost may be non-local and then, we need to account for the frequency of the involved basic blocks. This will be used by the greedy mode I am working on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270163 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-20Restore ASCIIbetical order.Richard Smith1-3/+3
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270161 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-19Forgotten file from r269992.Richard Smith1-0/+3
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270152 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-19Remove specializations of ProfileSummaryEaswaran Raman5-64/+19
This removes the subclasses of ProfileSummary, moves the members of the derived classes to the base class. Differential Revision: http://reviews.llvm.org/D20390 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270143 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-19Move ProfileSummary to IR.Easwaran Raman2-104/+148
This splits ProfileSummary into two classes: a ProfileSummary class that has methods to convert from/to metadata and a ProfileSummaryBuilder class that computes the profiles summary which is in ProfileData. Differential Revision: http://reviews.llvm.org/D20314 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270136 91177308-0d34-0410-b5e6-96231b3b80d8
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