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* static link polly into toolsSebastian Pop2014-03-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203886 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix issue with r203865. The old behaviour would get a MachineOperand then ↵Pete Cooper2014-03-14
| | | | | | find the MI for the bundle the MI was in. The new behaviour was failing to get the parent bundle and instead just used the MI from the MachineOperand git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203883 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverted r203879.Galina Kistanova2014-03-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203880 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed misuse of isascii. Also fixes mingw32 build, see ↵Galina Kistanova2014-03-14
| | | | | | http://msdn.microsoft.com/en-us/library/ms235417.aspx git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203879 91177308-0d34-0410-b5e6-96231b3b80d8
* Use DW_AT_linkage_name when we're emitting DWARF4 or above.Eric Christopher2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203867 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the linker_private and linker_private_weak linkages.Rafael Espindola2014-03-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These linkages were introduced some time ago, but it was never very clear what exactly their semantics were or what they should be used for. Some investigation found these uses: * utf-16 strings in clang. * non-unnamed_addr strings produced by the sanitizers. It turns out they were just working around a more fundamental problem. For some sections a MachO linker needs a symbol in order to split the section into atoms, and llvm had no idea that was the case. I fixed that in r201700 and it is now safe to use the private linkage. When the object ends up in a section that requires symbols, llvm will use a 'l' prefix instead of a 'L' prefix and things just work. With that, these linkages were already dead, but there was a potential future user in the objc metadata information. I am still looking at CGObjcMac.cpp, but at this point I am convinced that linker_private and linker_private_weak are not what they need. The objc uses are currently split in * Regular symbols (no '\01' prefix). LLVM already directly provides whatever semantics they need. * Uses of a private name (start with "\01L" or "\01l") and private linkage. We can drop the "\01L" and "\01l" prefixes as soon as llvm agrees with clang on L being ok or not for a given section. I have two patches in code review for this. * Uses of private name and weak linkage. The last case is the one that one could think would fit one of these linkages. That is not the case. The semantics are * the linker will merge these symbol by *name*. * the linker will hide them in the final DSO. Given that the merging is done by name, any of the private (or internal) linkages would be a bad match. They allow llvm to rename the symbols, and that is really not what we want. From the llvm point of view, these objects should really be (linkonce|weak)(_odr)?. For now, just keeping the "\01l" prefix is probably the best for these symbols. If we one day want to have a more direct support in llvm, IMHO what we should add is not a linkage, it is just a hidden_symbol attribute. It would be applicable to multiple linkages. For example, on weak it would produce the current behavior we have for objc metadata. On internal, it would be equivalent to private (and we should then remove private). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203866 91177308-0d34-0410-b5e6-96231b3b80d8
* Phase 2 of the great MachineRegisterInfo cleanup. This time, we're changingOwen Anderson2014-03-13
| | | | | | | | | | | operator* on the by-operand iterators to return a MachineOperand& rather than a MachineInstr&. At this point they almost behave like normal iterators! Again, this requires making some existing loops more verbose, but should pave the way for the big range-based for-loop cleanups in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203865 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in InstCombine where we would incorrectly attempt to construct aOwen Anderson2014-03-13
| | | | | | | | bitcast between pointers of two different address spaces if they happened to have the same pointer size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203862 91177308-0d34-0410-b5e6-96231b3b80d8
* MCDwarf: Rename MCDwarfFileTable to MCDwarfLineTableDavid Blaikie2014-03-13
| | | | | | | This type now represents all the data for the DWARF line table: directory names, file names, and the line table proper. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203858 91177308-0d34-0410-b5e6-96231b3b80d8
* MCDwarf: Extract the DWARF line table header handling into its own typeDavid Blaikie2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203856 91177308-0d34-0410-b5e6-96231b3b80d8
* Make GDBJITRegistrar thread safe. Patch by Jim Kearyn, with cleanup byLang Hames2014-03-13
| | | | | | | | | | Ivan Puzyrevskiy. Fixes PR15750. Thanks Jim and Ivan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203853 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a subtle issue introduced my my recent changes to MachineRegisterInfo ↵Owen Anderson2014-03-13
| | | | | | | | | | | | | | | | iterators. When initializing an iterator, we may have to step forward to find the first operand that passes the current filter set. When doing that stepping, we should always step one operand at a time, even if this is by-instr or by-bundle iterator, as we're stepping between invalid values, so the stride doesn't make sense there. Fixes a miscompilation of YASM on Win32 reported by Hans Wennborg. I have not yet figured out how to reduce it to something testcase-able, because it's sensitive to the details of how the registers get spilled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203852 91177308-0d34-0410-b5e6-96231b3b80d8
* Add -mtriple=x86_64-linux to this test case to fix the build bots.5Kevin Enderby2014-03-13
| | | | | | | The original commit was r203829. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203844 91177308-0d34-0410-b5e6-96231b3b80d8
* MCDwarf: Sink file/directory creation down into MCDwarfFileTable form MCContextDavid Blaikie2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203836 91177308-0d34-0410-b5e6-96231b3b80d8
* Test commit - remove trailing whitespaceStephan Tolksdorf2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203834 91177308-0d34-0410-b5e6-96231b3b80d8
* MCDwarf: Oh, and move the directory string over to std::string as wellDavid Blaikie2014-03-13
| | | | | | (see r203831 for similar stuff) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203833 91177308-0d34-0410-b5e6-96231b3b80d8
* MCDwarf: Simplify MCDwarfFile to just use std::string instead of cunning use ↵David Blaikie2014-03-13
| | | | | | | | | | | | | of MCContext's allocator. There aren't /that/ many files, and we are already using various maps and other standard containers that don't use MCContext's allocator to store these values, so this doesn't seem to be critical and simplifies the design (I'll be moving construction out of MCContext shortly so it'd be annoying to have to pass the allocator around to allocate these things... and we'll have non-MCContext users (debug_line.dwo) shortly) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203831 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for http://llvm.org/bugs/show_bug.cgi?id=18590Ekaterina Romanova2014-03-13
| | | | | | | | | This patch fixes the bug in peephole optimization that folds a load which defines one vreg into the one and only use of that vreg. With debug info, a DBG_VALUE that referenced the vreg considered to be a use, preventing the optimization. The fix is to ignore DBG_VALUE's during the optimization, and undef a DBG_VALUE that references a vreg that gets removed. Patch by Trevor Smigiel! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203829 91177308-0d34-0410-b5e6-96231b3b80d8
* MCDwarf: Simply MCDwarfFile since it really is just a StringRef and unsigned.David Blaikie2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203827 91177308-0d34-0410-b5e6-96231b3b80d8
* Use printable names to implement directional labels.Rafael Espindola2014-03-13
| | | | | | | | | | | | | | This changes the implementation of local directional labels to use a dedicated map. With that it can then just use CreateTempSymbol, which is what the rest of MC uses. CreateTempSymbol doesn't do a great job at making sure the names are unique (or being efficient when the names are not needed), but that should probably be fixed in a followup patch. This fixes pr18928. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203826 91177308-0d34-0410-b5e6-96231b3b80d8
* Update my e-mail address in CODE_OWNERS.TXTTim Northover2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203824 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove stale commentDavid Blaikie2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203823 91177308-0d34-0410-b5e6-96231b3b80d8
* MCDwarf: Refactor line table handling into a single data structureDavid Blaikie2014-03-13
| | | | | | | | | | | | | | | | | This replaces several "compile unit ID -> thing" mappings in favor of one mapping from CUID to the whole line table structure (files, directories, and lines). This is another step along the way to refactoring out reusable components of line table handling for use when generating debug_line.dwo for fission type units. Also, might be a good basis to fold some of this handling down into MCStreamers to avoid the special case of "One line table when doing asm printing, line table per CU otherwise" by building it into the different MCStreamer implementations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203821 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: LDS instructions shouldn't implicitly define OQAPTom Stellard2014-03-13
| | | | | | | | | LDS instructions are pseudo instructions which model the OQAP defs and uses within a single instruction. This fixes a hang in the opencv MedianFilter tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203818 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup: Remove use of old "-enable-correct-eh-support" option from a testMark Seaborn2014-03-13
| | | | | | | | | | | | | This option enables LowerInvoke's obsolete SJLJ EH support, but the target used in this test (ARM Darwin) no longer uses the LowerInvoke pass, so the option has no effect here. This target currently uses the newer SjLjEHPrepare pass instead. This cleanup will help with removing "-enable-correct-eh-support". Differential Revision: http://llvm-reviews.chandlerc.com/D3064 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203810 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM] Use symbolic register names in .cfi directives only with IAS (PR19110)Hans Wennborg2014-03-13
| | | | | | | | | | This is a follow-up to r203635. Saleem pointed out that since symbolic register names are much easier to read, it would be good if we could turn them off only when we really need to because we're using an external assembler. Differential Revision: http://llvm-reviews.chandlerc.com/D3056 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203806 91177308-0d34-0410-b5e6-96231b3b80d8
* [C++11] Use ObjectFile::sections() in commandline llvm toolsAlexey Samsonov2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203802 91177308-0d34-0410-b5e6-96231b3b80d8
* [C++11] Introduce ObjectFile::sections().Alexey Samsonov2014-03-13
| | | | | | | | | | | | | | | | | | Summary: This adds ObjectFile::section_iterator_range, that allows to write range-based for-loops running over all sections of a given file. Several files from lib/ are converted to the new interface. Similar fixes should be applied to a variety of llvm-* tools. Reviewers: rafael Reviewed By: rafael CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D3069 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203799 91177308-0d34-0410-b5e6-96231b3b80d8
* CodeGenPrep: sink extends of illegal types into use block.Manuel Jacob2014-03-13
| | | | | | | | | | | | | | | | | | | Summary: This helps the instruction selector to lower an i64 * i64 -> i128 multiplication into a single instruction on targets which support it. This is an update of D2973 which was reverted because of a bug reported as PR19084. Reviewers: t.p.northover, chapuni Reviewed By: t.p.northover CC: llvm-commits, alex, chapuni Differential Revision: http://llvm-reviews.chandlerc.com/D3021 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203797 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Fix handling of byval arguments in VarArg calls.Evgeniy Stepanov2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203794 91177308-0d34-0410-b5e6-96231b3b80d8
* [CMake] Put -Werror to CMAKE_CXX_FLAGS instead of using add_llvm_definitions()Alexey Samsonov2014-03-13
| | | | | | | | | add_definitions shouldn't really be used for compiler flags, and the variable LLVM_DEFINITIONS is not appropriately used at the moment, e.g. it's not exported to LLVMConfig.cmake git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203792 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove utils/llvm-native-gcc.Rafael Espindola2014-03-13
| | | | | | llvm-gcc had the ability to produce native .o files long before it died. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203791 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: masked load/store + intrinsics for them.Elena Demikhovsky2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203790 91177308-0d34-0410-b5e6-96231b3b80d8
* First patch of patch series that improves MergeFunctions performance time ↵Stepan Dyatkovskiy2014-03-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | from O(N*N) to O(N*log(N)). The idea is to introduce total ordering among functions set. That allows to build binary tree and perform function look-up procedure in O(log(N)) time. This patch description: Introduced total ordering among Type instances. Actually it is improvement for existing isEquivalentType. 0. Coerce pointer of 0 address space to integer. 1. If left and right types are equal (the same Type* value), return 0 (means equal). 2. If types are of different kind (different type IDs). Return result of type IDs comparison, treating them as numbers. 3. If types are vectors or integers, return result of its pointers comparison (casted to numbers). 4. Check whether type ID belongs to the next group: * Void * Float * Double * X86_FP80 * FP128 * PPC_FP128 * Label * Metadata If so, return 0. 5. If left and right are pointers, return result of address space comparison (numbers comparison). 6. If types are complex. Then both LEFT and RIGHT will be expanded and their element types will be checked with the same way. If we get Res != 0 on some stage, return it. Otherwise return 0. 7. For all other cases put llvm_unreachable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203788 91177308-0d34-0410-b5e6-96231b3b80d8
* [PM] As was pointed out in review, I need to define a custom swap inChandler Carruth2014-03-13
| | | | | | | | | | | | | order to use the single assignment. That's probably worth doing for a lot of these types anyways as they may have non-trivial moves and so getting copy elision in more places seems worthwhile. I've tried to add some tests that actually catch this mistake, and one of the types is now well tested but the others' tests still fail to catch this. I'll keep working on tests, but this gets the core pattern right. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203780 91177308-0d34-0410-b5e6-96231b3b80d8
* [PM] Stop playing fast and loose with rebinding of references. HoweverChandler Carruth2014-03-13
| | | | | | | | convenient it is to imagine a world where this works, that is not C++ as was pointed out in review. The standard even goes to some lengths to preclude any attempt at this, for better or worse. Maybe better. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203775 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64: error when both positional & named operands are used.Tim Northover2014-03-13
| | | | | | | | | | Only one instruction pair needed changing: SMULH & UMULH. The previous code worked, but MC was doing extra work treating Ra as a valid operand (which then got completely overwritten in MCCodeEmitter). No behaviour change, so no tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203772 91177308-0d34-0410-b5e6-96231b3b80d8
* [C++11] DWARF parser: use SmallVector<std::unique_ptr> for parsed units in ↵Alexey Samsonov2014-03-13
| | | | | | DWARFContext, and delete custom destructors git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203770 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Initial support for the VSX instruction setHal Finkel2014-03-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | VSX is an ISA extension supported on the POWER7 and later cores that enhances floating-point vector and scalar capabilities. Among other things, this adds <2 x double> support and generally helps to reduce register pressure. The interesting part of this ISA feature is the register configuration: there are 64 new 128-bit vector registers, the 32 of which are super-registers of the existing 32 scalar floating-point registers, and the second 32 of which overlap with the 32 Altivec vector registers. This makes things like vector insertion and extraction tricky: this can be free but only if we force a restriction to the right register subclass when needed. A new "minipass" PPCVSXCopy takes care of this (although it could do a more-optimal job of it; see the comment about unnecessary copies below). Please note that, currently, VSX is not enabled by default when targeting anything because it is not yet ready for that. The assembler and disassembler are fully implemented and tested. However: - CodeGen support causes miscompiles; test-suite runtime failures: MultiSource/Benchmarks/FreeBench/distray/distray MultiSource/Benchmarks/McCat/08-main/main MultiSource/Benchmarks/Olden/voronoi/voronoi MultiSource/Benchmarks/mafft/pairlocalalign MultiSource/Benchmarks/tramp3d-v4/tramp3d-v4 SingleSource/Benchmarks/CoyoteBench/almabench SingleSource/Benchmarks/Misc/matmul_f64_4x4 - The lowering currently falls back to using Altivec instructions far more than it should. Worse, there are some things that are scalarized through the stack that shouldn't be. - A lot of unnecessary copies make it past the optimizers, and this needs to be fixed. - Many more regression tests are needed. Normally, I'd fix these things prior to committing, but there are some students and other contributors who would like to work this, and so it makes sense to move this development process upstream where it can be subject to the regular code-review procedures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203768 91177308-0d34-0410-b5e6-96231b3b80d8
* [TableGen] Optionally forbid overlap between named and positional operandsHal Finkel2014-03-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are currently two schemes for mapping instruction operands to instruction-format variables for generating the instruction encoders and decoders for the assembler and disassembler respectively: a) to map by name and b) to map by position. In the long run, we'd like to remove the position-based scheme and use only name-based mapping. Unfortunately, the name-based scheme currently cannot deal with complex operands (those with suboperands), and so we currently must use the position-based scheme for those. On the other hand, the position-based scheme cannot deal with (register) variables that are split into multiple ranges. An upcoming commit to the PowerPC backend (adding VSX support) will require this capability. While we could teach the position-based scheme to handle that, since we'd like to move away from the position-based mapping generally, it seems silly to teach it new tricks now. What makes more sense is to allow for partial transitioning: use the name-based mapping when possible, and only use the position-based scheme when necessary. Now the problem is that mixing the two sensibly was not possible: the position-based mapping would map based on position, but would not skip those variables that were mapped by name. Instead, the two sets of assignments would overlap. However, I cannot currently change the current behavior, because there are some backends that rely on it [I think mistakenly, but I'll send a message to llvmdev about that]. So I've added a new TableGen bit variable: noNamedPositionallyEncodedOperands, that can be used to cause the position-based mapping to skip variables mapped by name. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203767 91177308-0d34-0410-b5e6-96231b3b80d8
* [C++11] Convert DWARF parser to range-based for loopsAlexey Samsonov2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203766 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: ignore unused variable to fix -Wunused-variable buildsSaleem Abdulrasool2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203765 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: fix silly typoSaleem Abdulrasool2014-03-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203763 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: support emission of complex SO expressionsSaleem Abdulrasool2014-03-13
| | | | | | | | | | | | | | Support to the IAS was added to actually parse and handle the complex SO expressions. However, the object file lowering was not updated to compensate for the fact that the shift operand may be an absolute expression. When trying to assemble to an object file, the lowering would fail while succeeding when emitting purely assembly. Add an appropriate test. The test case is inspired by the test case provided by Jiangning Liu who also brought the issue to light. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203762 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: add support to identify WinCOFF/ARM objectsSaleem Abdulrasool2014-03-13
| | | | | | | Add the Windows COFF ARM object file magic. This enables the LLVM tools to interact with COFF object files for Windows on ARM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203761 91177308-0d34-0410-b5e6-96231b3b80d8
* [CMake] Enable a bunch of Xcode build settings that correspond to warnings ↵Ted Kremenek2014-03-13
| | | | | | | | | | | | | | | | that are for the most part enabled by default either by Clang or -Wall. I personally build with these settings enabled all the time, and it is clearer to see the actual warning flags (e.g., -Wuninitialized) get passed by Xcode rather than seeing -Wno-uninitialized followed by -Wall (the latter canceling out the former) and figuring out what is going on. Xcode will ignore build settings it doesn't understand, so this will work on possibly older versions of Xcode that don't support all of these settings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203760 91177308-0d34-0410-b5e6-96231b3b80d8
* Phase 1 of refactoring the MachineRegisterInfo iterators to make them suitableOwen Anderson2014-03-13
| | | | | | | | | | | | | | | | | | | | for use with C++11 range-based for-loops. The gist of phase 1 is to remove the skipInstruction() and skipBundle() methods from these iterators, instead splitting each iterator into a version that walks operands, a version that walks instructions, and a version that walks bundles. This has the result of making some "clever" loops in lib/CodeGen more verbose, but also makes their iterator invalidation characteristics much more obvious to the casual reader. (Making them concise again in the future is a good motivating case for a pre-incrementing range adapter!) Phase 2 of this undertaking with consist of removing the getOperand() method, and changing operator*() of the operand-walker to return a MachineOperand&. At that point, it should be possible to add range views for them that work as one might expect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203757 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR18800. llvm intrinsic memcpy takes 5 arguments void ↵Karthik Bhat2014-03-13
| | | | | | @llvm.memcpy.p0i8.p0i8.i32(i8* <dest>, i8* <src>, i32 <len>, i32 <align>, i1 <isvolatile>).The test case incorrectly uses the old format resulting in isVolatile function in MemIntrinsic to crash during SROA transformation.Modified the test case to use correct signature of memcpy and memset. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203750 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a false error reported by the tblgen backend for machine modelAndrew Trick2014-03-13
| | | | | | | | | "ProcResource def is not included in the ProcResources". Some of the machine model definitions were not added to the processor's list used for diagnostics and error checking. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203749 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: fix possible NULL pointer dereferenceSaleem Abdulrasool2014-03-13
| | | | | | Avoid NULL pointer scenario found via clang's static analyzer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203745 91177308-0d34-0410-b5e6-96231b3b80d8
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