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* In this patch, we teach X86_64TargetMachine that it has a ILP32Eli Bendersky2013-01-256-22/+82
| | | | | | | | | | | | | | | | | | | | | | | (defined by the x32 ABI) mode, in which case its pointers are 32-bits in size. This knowledge is also added to X86RegisterInfo that now returns the appropriate registers in getPointerRegClass. There are many outcomes to this change. In order to keep the patches separate and manageable, we start by focusing on some simple testable cases. The patch adds a test with passing a pointer to a function - focusing on the difference between the two data models for x86-64. Another test is added for handling of 'sret' arguments (and functionality is added in X86ISelLowering to make it work). A note on naming: the "x32 ABI" document refers to the AMD64 architecture (in LLVM it's distinguished by being is64Bits() in the x86 subtarget) with two variations: the LP64 (default) data model, and the ILP32 data model. This patch adds predicates to the subtarget which are consistent with this naming scheme. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173503 91177308-0d34-0410-b5e6-96231b3b80d8
* Add back a RUN line removed by mistake by a previous commitEli Bendersky2013-01-251-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173502 91177308-0d34-0410-b5e6-96231b3b80d8
* Add instruction encodings / disassembly support for l4r instructions.Richard Osborne2013-01-254-18/+94
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173501 91177308-0d34-0410-b5e6-96231b3b80d8
* LoopVectorize: Refactor the code that vectorizes loads/stores to remove ↵Nadav Rotem2013-01-251-145/+113
| | | | | | duplication. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173500 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the new 'getSlotIndex' method to retrieve the attribute's slot index.Bill Wendling2013-01-256-8/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173499 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that llvm-dwarfdump supports flags to specify which DWARF section to dump,Eli Bendersky2013-01-2541-45/+44
| | | | | | | | | use them in tests that run llvm-dwarfdump. This is in order to make tests as specific as possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173498 91177308-0d34-0410-b5e6-96231b3b80d8
* Use const reference instead of vector copying.Jakub Staszak2013-01-251-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173497 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an accessor method to get the slot's index. This will limit the use of ↵Bill Wendling2013-01-254-12/+25
| | | | | | AttributeWithIndex. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173495 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the correct format in the STW / SETPSC instruction names.Richard Osborne2013-01-253-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173494 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix order of operands for crc8_l4rRichard Osborne2013-01-254-27/+48
| | | | | | | | The order in which operands appear in the encoded instruction is different to order in which they appear in assembly. This changes the XCore backend to use the instruction encoding order. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173493 91177308-0d34-0410-b5e6-96231b3b80d8
* When encountering an unknown file format, ObjectFile::createObjectFile shouldEli Bendersky2013-01-252-1/+8
| | | | | | | | | | | politely report it instead of running into llvm_unreachable. Also patch llvm-dwarfdump to actually check whether the file it's attempting to dump is a valid object file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173489 91177308-0d34-0410-b5e6-96231b3b80d8
* This is no trule.David Blaikie2013-01-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173487 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve the !add TableGen test case.Hal Finkel2013-01-251-0/+3
| | | | | | Suggested by Sean Silva. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173481 91177308-0d34-0410-b5e6-96231b3b80d8
* Add command-line flags for DWARF dumping.Eli Bendersky2013-01-255-65/+131
| | | | | | | | | Flags for dumping specific DWARF sections added in lib/DebugInfo and llvm-dwarfdump. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173480 91177308-0d34-0410-b5e6-96231b3b80d8
* Add instruction encodings / disassembly support for l5r instructions.Richard Osborne2013-01-254-12/+66
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173479 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed typo.Michael Gottesman2013-01-251-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173478 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix order of operands for l5r instructions.Richard Osborne2013-01-252-18/+22
| | | | | | | With this change the operands order matches the order in which the operands are encoded in the instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173477 91177308-0d34-0410-b5e6-96231b3b80d8
* Use correct mnemonic / instruction name for ldivu.Richard Osborne2013-01-251-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173476 91177308-0d34-0410-b5e6-96231b3b80d8
* LoopVectorize: Simplify code. No functionality change.Benjamin Kramer2013-01-251-26/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173475 91177308-0d34-0410-b5e6-96231b3b80d8
* added ability to dynamically change the ExportList of an alreadyPedro Artigas2013-01-251-0/+10
| | | | | | | created InternalizePass (useful for pass reuse) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173474 91177308-0d34-0410-b5e6-96231b3b80d8
* Added new section to the git-svn getting started section that provides aMichael Gottesman2013-01-251-0/+28
| | | | | | | custom git script called git-svnup which handles all of the work of using the git-mirrors/keeping the git-svn numbers in sync. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173472 91177308-0d34-0410-b5e6-96231b3b80d8
* LoopVectorizer: Refactor more code to use the IRBuilder. Nadav Rotem2013-01-251-24/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173471 91177308-0d34-0410-b5e6-96231b3b80d8
* Use xcrun to find the right compiler when building llvmCore. <rdar://12801151>Bob Wilson2013-01-251-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173468 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor some code to use the IRBuilder.Nadav Rotem2013-01-251-20/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173467 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename variable to be more comprehensible and follow naming conventionEli Bendersky2013-01-251-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173460 91177308-0d34-0410-b5e6-96231b3b80d8
* APFloat: Make sure that we get a well-formed x87 NaN when converting from a ↵Benjamin Kramer2013-01-252-0/+32
| | | | | | | | smaller type. Fixes PR15054. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173459 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable MSVC's warning about noreturn destructorsReid Kleckner2013-01-251-0/+1
| | | | | | | | | | | | This warning fires on: Operator::~Operator() { llvm_unreachable("should never destroy an Operator"); } That seems like a false positive. I don't see any good way to silence the warning here, so I'm disabling it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173455 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix MSVC 2012 warning about a 32-bit shift that should be 64-bitReid Kleckner2013-01-251-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173454 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] A comment on ICmp handling logic.Evgeniy Stepanov2013-01-251-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173453 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Implement exact shadow propagation for relational ICmp.Evgeniy Stepanov2013-01-252-3/+101
| | | | | | | | | Only for integers, pointers, and vectors of those. No floats. Instrumentation seems very heavy, and may need to be replaced with some approximation in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173452 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch aims to reduce compile time in LegalizeTypes by using SmallDenseMap,Preston Gurd2013-01-252-9/+9
| | | | | | | | | | | | | | | | with an initial number of elements, instead of DenseMap, which has zero initial elements, in order to avoid the copying of elements when the size changes and to avoid allocating space every time LegalizeTypes is run. This patch will not affect the memory footprint, because DenseMap will increase the element size to 64 when the first element is added. Patch by Wan Xiaofei. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173448 91177308-0d34-0410-b5e6-96231b3b80d8
* More cleanup of PPC register definitions.Hal Finkel2013-01-251-64/+8
| | | | | | | Uses the new !add TableGen operator to do more cleanup of the PPC register definitions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173446 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an addition operator to TableGenHal Finkel2013-01-257-3/+26
| | | | | | | This adds an !add(a, b) operator to tablegen; this will be used to cleanup the PPC register definitions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173445 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed the condition codes for the atomic64 min/umin code generation on ARM. ↵Silviu Baranga2013-01-252-4/+4
| | | | | | If the sutraction of the higher 32 bit parts gives a 0 result, we need to do the store operation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173437 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the AttributeSet query instead of the Attribute query.Bill Wendling2013-01-251-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173434 91177308-0d34-0410-b5e6-96231b3b80d8
* MIsched: Print block name. No functionality.Andrew Trick2013-01-251-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173433 91177308-0d34-0410-b5e6-96231b3b80d8
* MachineScheduler support for viewGraph.Andrew Trick2013-01-253-3/+93
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173432 91177308-0d34-0410-b5e6-96231b3b80d8
* ScheduleDAG: colorize the DOT graph and improve formatting.Andrew Trick2013-01-257-3/+40
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173431 91177308-0d34-0410-b5e6-96231b3b80d8
* ScheduleDAG: Added isBoundaryNode to conveniently detect a common corner case.Andrew Trick2013-01-252-8/+31
| | | | | | This fixes DAG subtree analysis at the boundary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173427 91177308-0d34-0410-b5e6-96231b3b80d8
* SchedDFS: Complete support for nested subtrees.Andrew Trick2013-01-252-42/+109
| | | | | | | | | Maintain separate per-node and per-tree book-keeping. Track all instructions above a DAG node including nested subtrees. Seperately track instructions within a subtree. Record subtree parents. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173426 91177308-0d34-0410-b5e6-96231b3b80d8
* MIsched: Improve the interface to SchedDFS analysis (subtrees).Andrew Trick2013-01-256-47/+61
| | | | | | | Allow the strategy to select SchedDFS. Allow the results of SchedDFS to affect initialization of the scheduler state. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173425 91177308-0d34-0410-b5e6-96231b3b80d8
* ArrayRef reverse iterators.Andrew Trick2013-01-251-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173424 91177308-0d34-0410-b5e6-96231b3b80d8
* whitespaceAndrew Trick2013-01-251-12/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173423 91177308-0d34-0410-b5e6-96231b3b80d8
* lit/ShUtil.py: Deprecate '!' in shell expression. It is not sh-compatible.NAKAMURA Takumi2013-01-251-8/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173421 91177308-0d34-0410-b5e6-96231b3b80d8
* SchedDFS: Initial support for nested subtrees.Andrew Trick2013-01-252-42/+90
| | | | | | | This is mostly refactoring, along with adding an instruction count within the subtrees and ensuring we only look at data edges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173420 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch this code away from Value::isUsedInBasicBlock. That code eitherChandler Carruth2013-01-252-7/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | loops over instructions in the basic block or the use-def list of the value, neither of which are really efficient when repeatedly querying about values in the same basic block. What's more, we already know that the CondBB is small, and so we can do a much more efficient test by counting the uses in CondBB, and seeing if those account for all of the uses. Finally, we shouldn't blanket fail on any such instruction, instead we should conservatively assume that those instructions are part of the cost. Note that this actually fixes a bug in the pass because isUsedInBasicBlock has a really terrible bug in it. I'll fix that in my next commit, but the fix for it would make this code suddenly take the compile time hit I thought it already was taking, so I wanted to go ahead and migrate this code to a faster & better pattern. The bug in isUsedInBasicBlock was also causing other tests to test the wrong thing entirely: for example we weren't actually disabling speculation for floating point operations as intended (and tested), but the test passed because we failed to speculate them due to the isUsedInBasicBlock failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173417 91177308-0d34-0410-b5e6-96231b3b80d8
* MISched: Add SchedDFSResult to ScheduleDAGMI to formalize theAndrew Trick2013-01-253-30/+83
| | | | | | interface and allow other strategies to select it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173413 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch implements parsing the .wordJack Carter2013-01-252-8/+46
| | | | | | | | | | directive for the Mips assembler. Contributer: Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173407 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Set flag neverHasSideEffects flag on some of the floating point ↵Akira Hatanaka2013-01-252-12/+21
| | | | | | instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173401 91177308-0d34-0410-b5e6-96231b3b80d8
* SchedDFS: Refactor and tweak the subtree selection criteria.Andrew Trick2013-01-251-24/+32
| | | | | | | | | | For sanity, create a root when NumDataSuccs >= 4. Splitting large subtrees will no longer be detrimental after my next checkin to handle nested tree. A magic number of 4 is fine because single subtrees seldom rejoin more than this. It makes subtrees easier to visualize and heuristics more sane. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173399 91177308-0d34-0410-b5e6-96231b3b80d8
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