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* Add an accessor method to get the slot's index. This will limit the use of ↵Bill Wendling2013-01-251-0/+3
| | | | | | AttributeWithIndex. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173495 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
* Add command-line flags for DWARF dumping.Eli Bendersky2013-01-251-1/+17
| | | | | | | | | 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 an addition operator to TableGenHal Finkel2013-01-251-1/+1
| | | | | | | 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
* MachineScheduler support for viewGraph.Andrew Trick2013-01-252-2/+5
| | | | 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 Trick2013-01-253-1/+19
| | | | 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 Trick2013-01-251-1/+12
| | | | | | 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 Trick2013-01-251-9/+35
| | | | | | | | | 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 Trick2013-01-252-9/+12
| | | | | | | 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
* SchedDFS: Initial support for nested subtrees.Andrew Trick2013-01-251-5/+17
| | | | | | | 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
* MISched: Add SchedDFSResult to ScheduleDAGMI to formalize theAndrew Trick2013-01-251-5/+25
| | | | | | 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
* SchedDFS: Constify interface.Andrew Trick2013-01-251-3/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173398 91177308-0d34-0410-b5e6-96231b3b80d8
* Moving Cost Tables up to share with other targetsRenato Golin2013-01-241-0/+64
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173382 91177308-0d34-0410-b5e6-96231b3b80d8
* Add asserts to SmallVector so that calls to front() and back() only succeedRichard Trieu2013-01-241-0/+4
| | | | | | | | if the vector is not empty. This will ensure that calls to these functions will reference elements in the vector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173321 91177308-0d34-0410-b5e6-96231b3b80d8
* MIsched: Added biasCriticalPath.Andrew Trick2013-01-241-0/+4
| | | | | | | Allow schedulers to order DAG edges by critical path. This makes DFS-based heuristics more stable and effective. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173317 91177308-0d34-0410-b5e6-96231b3b80d8
* [ELF] Add R_X86_64_IRELATIVE.Michael J. Spencer2013-01-241-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173316 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a profile for uniquifying the AttributeSet with the AttributeSetNodes.Bill Wendling2013-01-241-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173313 91177308-0d34-0410-b5e6-96231b3b80d8
* Create a new class: AttributeSetNode.Bill Wendling2013-01-241-0/+5
| | | | | | | | | | | This is a helper class for the AttributeSetImpl class. It holds a set of attributes that apply to a single element: function, return type, or parameter. These are uniqued. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173310 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead methods.Bill Wendling2013-01-231-6/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173302 91177308-0d34-0410-b5e6-96231b3b80d8
* Initialize SSPBufferSize. PR14999. Patch by Vinson Lee.Chad Rosier2013-01-231-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173285 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused methods and ivars.Bill Wendling2013-01-231-11/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173284 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up assignment of CalleeSaveStackSlotSize: get rid of the default and ↵Eli Bendersky2013-01-231-6/+1
| | | | | | explicitly set this in every target that needs to change it from the default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173270 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the IR attribute 'sspstrong'.Bill Wendling2013-01-232-2/+5
| | | | | | | | | | | | | | | | | | | | | | SSPStrong applies a heuristic to insert stack protectors in these situations: * A Protector is required for functions which contain an array, regardless of type or length. * A Protector is required for functions which contain a structure/union which contains an array, regardless of type or length. Note, there is no limit to the depth of nesting. * A protector is required when the address of a local variable (i.e., stack based variable) is exposed. (E.g., such as through a local whose address is taken as part of the RHS of an assignment or a local whose address is taken as part of a function argument.) This patch implements the SSPString attribute to be equivalent to SSPRequired. This will change in a subsequent patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173230 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the last of uses that use the Attribute object as a collection of ↵Bill Wendling2013-01-232-5/+5
| | | | | | | | | | attributes. Collections of attributes are handled via the AttributeSet class now. This finally frees us up to make significant changes to how attributes are structured. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173228 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the AttributeSet when removing multiple attributes. Use Attribute::AttrKindBill Wendling2013-01-232-3/+15
| | | | | | | when removing one attribute. This further encapsulates the use of the attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173214 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support][ErrorOr] Don't use nullptr :(Michael J. Spencer2013-01-231-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173212 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the AttributeSet when adding multiple attributes and an Attribute::AttrKindBill Wendling2013-01-231-6/+10
| | | | | | | when adding a single attribute to the function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173210 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support][ErrorOr] Add optimized specialization of ErrorOr<void>.Michael J. Spencer2013-01-231-1/+98
| | | | | | | | ErrorOr<void> represents an operation that returns nothing, but can still fail. It should be used in cases where you need the aditional user data that ErrorOr provides over error_code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173209 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support][ErrorOr] Make old gcc happy.Michael J. Spencer2013-01-221-1/+1
| | | | | | Apparently this is how C++98 worked pre-DR. (Thanks Richard). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173203 91177308-0d34-0410-b5e6-96231b3b80d8
* More encapsulation work.Bill Wendling2013-01-221-4/+9
| | | | | | | | Use the AttributeSet when we're talking about more than one attribute. Add a function that adds a single attribute. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173196 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial patch for x32 ABI support.Eli Bendersky2013-01-222-1/+18
| | | | | | | | | | Add the x32 environment kind to the triple, and separate the concept of pointer size and callee save stack slot size, since they're not equal on x32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173175 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix truncation of relocation types in Support/ELF.hTim Northover2013-01-221-14/+14
| | | | | | | This is a follow-up to r171845, which fixes the same issue in the Support code. Only targets with >256 relocations (principally AArch64) should be affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173151 91177308-0d34-0410-b5e6-96231b3b80d8
* Begin fleshing out an interface in TTI for modelling the costs ofChandler Carruth2013-01-221-0/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | | generic function calls and intrinsics. This is somewhat overlapping with an existing intrinsic cost method, but that one seems targetted at vector intrinsics. I'll merge them or separate their names and use cases in a separate commit. This sinks the test of 'callIsSmall' down into TTI where targets can control it. The whole thing feels very hack-ish to me though. I've left a FIXME comment about the fundamental design problem this presents. It isn't yet clear to me what the users of this function *really* care about. I'll have to do more analysis to figure that out. Putting this here at least provides it access to proper analysis pass tools and other such. It also allows us to more cleanly implement the baseline cost interfaces in TTI. With this commit, it is now theoretically possible to simplify much of the inline cost analysis's handling of calls by calling through to this interface. That conversion will have to happen in subsequent commits as it requires more extensive restructuring of the inline cost analysis. The CodeMetrics class is now really only in the business of running over a block of code and aggregating the metrics on that block of code, with the actual cost evaluation done entirely in terms of TTI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173148 91177308-0d34-0410-b5e6-96231b3b80d8
* Make APFloat constructor require explicit semantics.Tim Northover2013-01-223-2/+30
| | | | | | | | | Previously we tried to infer it from the bit width size, with an added IsIEEE argument for the PPC/IEEE 128-bit case, which had a default value. This default value allowed bugs to creep in, where it was inappropriate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173138 91177308-0d34-0410-b5e6-96231b3b80d8
* SparseMultiSet.h: Add suggested parentheses.NAKAMURA Takumi2013-01-221-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173128 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new method that adds the AttributeSet at the given index. No ↵Bill Wendling2013-01-221-2/+11
| | | | | | functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173109 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused method.Bill Wendling2013-01-211-8/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173106 91177308-0d34-0410-b5e6-96231b3b80d8
* Have AttributeSet::getRetAttributes() return an AttributeSet instead of ↵Bill Wendling2013-01-211-3/+1
| | | | | | | | | | Attribute. This further restricts the use of the Attribute class to the Attribute family of classes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173098 91177308-0d34-0410-b5e6-96231b3b80d8
* Make AttributeSet::getFnAttributes() return an AttributeSet instead of an ↵Bill Wendling2013-01-211-34/+35
| | | | | | | | | | Attribute. This is more code to isolate the use of the Attribute class to that of just holding one attribute instead of a collection of attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173094 91177308-0d34-0410-b5e6-96231b3b80d8
* r173072 is causing some regressions on big endian hosts, I don't have time ↵Chris Lattner2013-01-211-49/+21
| | | | | | | | | to debug it so revert it for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173074 91177308-0d34-0410-b5e6-96231b3b80d8
* rework the Bitstream reader to actually work a machine word at a time, ↵Chris Lattner2013-01-211-21/+49
| | | | | | | | | | instead of 32-bits at a time. This cuts in half the number of virtual methods called to refill that word when compiling on a 64-bit host, and will make 64-bit read operations faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173072 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a heinous inefficiency introduced in r149918, wherein reading each byte of aChris Lattner2013-01-211-6/+0
| | | | | | | | | BLOB (i.e., large, performance intensive data) in a bitcode file was switched to invoking one virtual method call per byte read. Now we do one virtual call per BLOB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173065 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a new data structure, the SparseMultiSet, and changes to the MI ↵Michael Ilseman2013-01-212-46/+535
| | | | | | | | | | scheduler to use it. A SparseMultiSet adds multiset behavior to SparseSet, while retaining SparseSet's desirable properties. Essentially, SparseMultiSet provides multiset behavior by storing its dense data in doubly linked lists that are inlined into the dense vector. This allows it to provide good data locality as well as vector-like constant-time clear() and fast constant time find(), insert(), and erase(). It also allows SparseMultiSet to have a builtin recycler rather than keeping SparseSet's behavior of always swapping upon removal, which allows it to preserve more iterators. It's often a better alternative to a SparseSet of a growable container or vector-of-vector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173064 91177308-0d34-0410-b5e6-96231b3b80d8
* rename "SkipToWord" to "SkipToFourByteBoundary" since a word is not always 4 ↵Chris Lattner2013-01-211-3/+3
| | | | | | bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173062 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch CodeMetrics itself over to use TTI to determine if an instructionChandler Carruth2013-01-211-7/+2
| | | | | | | | | | | | is free. The whole CodeMetrics API should probably be reworked more, but this is enough to allow deleting the duplicate code there for computing whether an instruction is free. All of the passes using this have been updated to pull in TTI and hand it to the CodeMetrics stuff. Further, a dead CodeMetrics API (analyzeFunction) is nuked for lack of users. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173036 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indentation and formatting.Chandler Carruth2013-01-211-71/+71
| | | | | | This change brought to by clang-format. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173034 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that the inline cost analysis is a pass, we can easily have itChandler Carruth2013-01-211-0/+2
| | | | | | | | | | | depend on and use other analyses (as long as they're either immutable passes or CGSCC passes of course -- nothing in the pass manager has been fixed here). Leverage this to thread TargetTransformInfo down through the inline cost analysis. No functionality changed here, this just threads things through. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173031 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the inline cost a proper analysis pass. This remains essentiallyChandler Carruth2013-01-212-4/+13
| | | | | | | | | | | | | | | | a dynamic analysis done on each call to the routine. However, now it can use the standard pass infrastructure to reference other analyses, instead of a silly setter method. This will become more interesting as I teach it about more analysis passes. This updates the two inliner passes to use the inline cost analysis. Doing so highlights how utterly redundant these two passes are. Either we should find a cheaper way to do always inlining, or we should merge the two and just fiddle with the thresholds to get the desired behavior. I'm leaning increasingly toward the latter as it would also remove the Inliner sub-class split. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173030 91177308-0d34-0410-b5e6-96231b3b80d8
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