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* 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
* Fix an old-style doxygen comment.Chandler Carruth2013-01-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173027 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup the formatting of this header. This removes the namespace indentChandler Carruth2013-01-211-105/+104
| | | | | | | and reformats a few constructors using clang-format. Only whitespace changes here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173018 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "[Object] .bss sections have no content. PR15005."Michael J. Spencer2013-01-211-7/+5
| | | | | | This reverts commit r173007. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173012 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object] .bss sections have no content. PR15005.Michael J. Spencer2013-01-211-5/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173007 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the comma from the last enumerator to fix -pedantic warnings.Chandler Carruth2013-01-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172999 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a generic interface for querying an operation's expectedChandler Carruth2013-01-211-0/+68
| | | | | | | | | | | | | | | lowered cost. Currently, this is a direct port of the logic implementing isInstructionFree in CodeMetrics. The hope is that the interface can be improved (f.ex. supporting un-formed instruction queries) and the implementation abstracted so that as we have test cases and target knowledge we can expose increasingly accurate heuristics to clients. I'll start switching existing consumers over and kill off the routine in CodeMetrics in subsequent commits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172998 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/Compiler.h: MSC1600, aka VS2010, is not C++11-ready.NAKAMURA Takumi2013-01-211-2/+2
| | | | | | | LLVM_HAS_CXX11_TYPETRAITS -- std::is_constructible LLVM_HAS_CXX11_STDLIB -- std::unique_ptr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172997 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert CostTable algorithm, will re-writeRenato Golin2013-01-201-52/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172992 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Port ErrorOr<T> from lld to C++03.Michael J. Spencer2013-01-203-0/+373
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172991 91177308-0d34-0410-b5e6-96231b3b80d8
* Changed IRBuilder::CreateZExtOrTrunc and IRBuilder::CreateSExtOrTrunc so ↵Michael Gottesman2013-01-201-13/+15
| | | | | | | | | they also work with vectors. I also changed the name of a variable in IRBuilder::CreateFPExtOrFPTrunc to match the names used in its two matching brethern as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172967 91177308-0d34-0410-b5e6-96231b3b80d8
* More copy editing.Michael Gottesman2013-01-201-10/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172962 91177308-0d34-0410-b5e6-96231b3b80d8
* Doxygenified and copy edited BasicBlock.h.Michael Gottesman2013-01-201-81/+88
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172961 91177308-0d34-0410-b5e6-96231b3b80d8
* Doxygenified Argument.h and performed some copy editing of the documentation.Michael Gottesman2013-01-201-31/+36
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172960 91177308-0d34-0410-b5e6-96231b3b80d8
* Converted all method comments in IRBuilder.h to use doxygen style comments.Michael Gottesman2013-01-201-107/+114
| | | | | | | | | | | | | | This implies changing method documentation from the following style: /// MethodName - Method description... to /// \brief Method description... ala the LLVM Style Guide. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172959 91177308-0d34-0410-b5e6-96231b3b80d8
* Corrected assert messages for CreateZExtOrTrunc/CreateSExtOrTrunc.Michael Gottesman2013-01-201-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172958 91177308-0d34-0410-b5e6-96231b3b80d8
* Added IRBuilder::CreateFPExtOrFPTrunc.Michael Gottesman2013-01-201-0/+14
| | | | | | | | | | | This method serves an analogous purpose to CreateZExtOrTrunc/CreateSExtOrTrunc but for floating point types. In detail, it provides a manner when one is handling conversions of floating point types of automatically selecting fpext, fptrunc, or identity depending on the relative bitsize of the source and destination types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172957 91177308-0d34-0410-b5e6-96231b3b80d8
* trivial micro-optimization: lazily call the virtual method instead of ↵Chris Lattner2013-01-201-2/+1
| | | | | | eagerly calling it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172953 91177308-0d34-0410-b5e6-96231b3b80d8
* switch llvm-bcanalyzer onto the new cursor APIs, allowing deletion ofChris Lattner2013-01-201-16/+1
| | | | | | | the old ReadRecord methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172952 91177308-0d34-0410-b5e6-96231b3b80d8
* add an option to not auto-process abbreviations in advance()Chris Lattner2013-01-201-4/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172946 91177308-0d34-0410-b5e6-96231b3b80d8
* stringref'ize readRecord and properly capitalize it. Add a compatibility ↵Chris Lattner2013-01-201-2/+13
| | | | | | | | | method to easy the transition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172940 91177308-0d34-0410-b5e6-96231b3b80d8
* move some private methods out of line, add a skipRecord() method.Chris Lattner2013-01-201-26/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172931 91177308-0d34-0410-b5e6-96231b3b80d8
* add some optional flags to affect the way advance works.Chris Lattner2013-01-191-4/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172928 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new BitstreamEntry concept, and add two helper methods for walkingChris Lattner2013-01-191-6/+91
| | | | | | | | | through a BitstreamCursor that produce it: advance() and advanceSkippingSubblocks(), representing the two most common ways clients want to walk through bitcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172919 91177308-0d34-0410-b5e6-96231b3b80d8
* Include Support/ELF.h instead of Object/ELF.h. It is much lighter and completelyJakub Staszak2013-01-191-1/+1
| | | | | | | sufficient. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172916 91177308-0d34-0410-b5e6-96231b3b80d8
* BitstreamReader hasn't aged well. It's been hacked on by various people andChris Lattner2013-01-191-226/+12
| | | | | | | | has past the point of making sense. Lets tidy things up: first step, moving a ton of big functions out of line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172904 91177308-0d34-0410-b5e6-96231b3b80d8
* Sort all of the includes. Several files got checked in with mis-sortedChandler Carruth2013-01-191-1/+1
| | | | | | includes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172891 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixing behavior of ELFObjectFile::getSymbolFileOffset().Andrew Kaylor2013-01-181-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172872 91177308-0d34-0410-b5e6-96231b3b80d8
* Use AttributeSet accessor methods instead of Attribute accessor methods.Bill Wendling2013-01-181-0/+4
| | | | | | | | Further encapsulation of the Attribute object. Don't allow direct access to the Attribute object as an aggregate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172853 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused parameter. Also use the AttributeSet query methods instead of ↵Bill Wendling2013-01-181-2/+1
| | | | | | the Attribute query methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172852 91177308-0d34-0410-b5e6-96231b3b80d8
* Add llvm::hexDigitValue to convert single characters to hex.Jordan Rose2013-01-181-0/+11
| | | | | | This is duplicated in a couple places in the codebase. Adopt this in APFloat. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172851 91177308-0d34-0410-b5e6-96231b3b80d8
* This is a resubmittal. For some reason it broke the bots yesterdayJack Carter2013-01-181-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | but I cannot reproduce the problem and have scrubed my sources and even tested with llvm-lit -v --vg. Support for Mips register information sections. Mips ELF object files have a section that is dedicated to register use info. Some of this information such as the assumed Global Pointer value is used by the linker in relocation resolution. The register info file is .reginfo in o32 and .MIPS.options in 64 and n32 abi files. This patch contains the changes needed to create the sections, but leaves the actual register accounting for a future patch. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172847 91177308-0d34-0410-b5e6-96231b3b80d8
* Push some more methods down to hide the use of the Attribute class.Bill Wendling2013-01-181-3/+5
| | | | | | | | | Because the Attribute class is going to stop representing a collection of attributes, limit the use of it as an aggregate in favor of using AttributeSet. This replaces some of the uses for querying the function attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172844 91177308-0d34-0410-b5e6-96231b3b80d8
* [Linker] Zap a dead typedef.Daniel Dunbar2013-01-181-8/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172841 91177308-0d34-0410-b5e6-96231b3b80d8
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