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* Add two newlines in ParseSubtargetFeatures's debug output after the CPU is ↵Hal Finkel2012-06-12
| | | | | | | | | printed. There is otherwise not a newline between the CPU name and the start of the next pass's output which makes both difficult to read. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158350 91177308-0d34-0410-b5e6-96231b3b80d8
* Write llvm-tblgen backends as functions instead of sub-classes.Jakob Stoklund Olesen2012-06-11
| | | | | | | | | The TableGenBackend base class doesn't do much, and will be removed completely soon. Patch by Sean Silva! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158311 91177308-0d34-0410-b5e6-96231b3b80d8
* Sched itinerary fix: Avoid static initializers.Andrew Trick2012-06-08
| | | | | | | | This fixes an accidental dependence on static initialization order that I introduced yesterday. Thank you Lang!!! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158215 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the AsmMatcherEmitter to allow InstAlias' where the suboperands of a ↵Owen Anderson2012-06-08
| | | | | | complex operand are called out explicitly in the asm string. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158183 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead private member variables from gtest.Benjamin Kramer2012-06-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158101 91177308-0d34-0410-b5e6-96231b3b80d8
* Round 2 of dead private variable removal.Benjamin Kramer2012-06-06
| | | | | | | | LLVM is now -Wunused-private-field clean except for - lib/MC/MCDisassembler/Disassembler.h. Not sure why it keeps all those unaccessible fields. - gtest. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158096 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused private fields found by clang's new -Wunused-private-field.Benjamin Kramer2012-06-06
| | | | | | | | There are some that I didn't remove this round because they looked like obvious stubs. There are dead variables in gtest too, they should be fixed upstream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158090 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix gtest build issue on Visual Studio 2012 RCJustin Holewinski2012-06-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158046 91177308-0d34-0410-b5e6-96231b3b80d8
* misched: Added MultiIssueItineraries.Andrew Trick2012-06-05
| | | | | | | | This allows a subtarget to explicitly specify the issue width and other properties without providing pipeline stage details for every instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157979 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typos found by http://github.com/lyda/misspell-checkBenjamin Kramer2012-06-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157885 91177308-0d34-0410-b5e6-96231b3b80d8
* Didn't mean to export this function.Jakob Stoklund Olesen2012-05-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157756 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit register unit root tables.Jakob Stoklund Olesen2012-05-31
| | | | | | | | | | Each register unit has one or two root registers. The full set of registers containing a given register unit can be computed as the union of the root registers and their super-registers. Provide an MCRegUnitRootIterator class to enumerate the roots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157753 91177308-0d34-0410-b5e6-96231b3b80d8
* Print uint16_t numbers without a sign.Jakob Stoklund Olesen2012-05-30
| | | | | | It seems I broke C++11. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157711 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove little semicolon that caused a lot of warnings.Benjamin Kramer2012-05-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157684 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit register unit lists for each register.Jakob Stoklund Olesen2012-05-29
| | | | | | | | | | | | | | | | Register units are already used internally in TableGen to compute register pressure sets and overlapping registers. This patch makes them available to the code generators. The register unit lists are differentially encoded so they can be reused for many related registers. This keeps the total size of the lists below 200 bytes for most targets. ARM has the largest table at 560 bytes. Add an MCRegUnitIterator for traversing the register unit lists. It provides an abstract interface so the representation can be changed in the future without changing all clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157650 91177308-0d34-0410-b5e6-96231b3b80d8
* Add intrinsics, code gen, assembler and disassembler support for the SSE4a ↵Benjamin Kramer2012-05-29
| | | | | | | | | | | extrq and insertq instructions. This required light surgery on the assembler and disassembler because the instructions use an uncommon encoding. They are the only two instructions in x86 that use register operands and two immediates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157634 91177308-0d34-0410-b5e6-96231b3b80d8
* switch AttrListPtr::get to take an ArrayRef, simplifying a lot of clients.Chris Lattner2012-05-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157556 91177308-0d34-0410-b5e6-96231b3b80d8
* rdar://11542750 - llvm.trap should be marked no return.Chris Lattner2012-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157551 91177308-0d34-0410-b5e6-96231b3b80d8
* Reimplement the intrinsic verifier to use the same table as ↵Chris Lattner2012-05-27
| | | | | | | | | | | | | | Intrinsic::getDefinition, making it stronger and more sane. Delete the code from tblgen that produced the old code. Besides being a path forward in intrinsic sanity, this also eliminates a bunch of machine generated code that was compiled into Function.o git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157545 91177308-0d34-0410-b5e6-96231b3b80d8
* move some code around so that Verifier.cpp can get access to the intrinsic ↵Chris Lattner2012-05-27
| | | | | | info table. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157540 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance the intrinsic info table to encode what *kind* of Any argumentChris Lattner2012-05-27
| | | | | | | | it is (at the cost of 45 bytes of extra table space) so that the verifier can start using it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157536 91177308-0d34-0410-b5e6-96231b3b80d8
* rearrange some code, no functionality change.Chris Lattner2012-05-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157523 91177308-0d34-0410-b5e6-96231b3b80d8
* Compress MCRegisterInfo register name tables.Jakob Stoklund Olesen2012-05-25
| | | | | | | Store (debugging) register names as offsets into a string table instead of as char pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157449 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach tblgen's set theory "sequence" operator to support an optional stride ↵Owen Anderson2012-05-24
| | | | | | operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157416 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed typo in r156905.Patrik Hägglund2012-05-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157320 91177308-0d34-0410-b5e6-96231b3b80d8
* small refinement to r157218 to save a tiny amount of table size in the commonChris Lattner2012-05-23
| | | | | | | case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157312 91177308-0d34-0410-b5e6-96231b3b80d8
* Also compute TopoSigs in synthetic register classes.Jakob Stoklund Olesen2012-05-22
| | | | | | | CodeGenRegisterClass has two constructors. Both need to compute the TopoSigs BitVector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157271 91177308-0d34-0410-b5e6-96231b3b80d8
* Added address space qualifier to intrinsic PointerType arguments.Pete Cooper2012-05-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157218 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance the intrinsic info stuff to emit encodings that don't fit in 32-bits ↵Chris Lattner2012-05-17
| | | | | | | | | | into a separate side table, using the handy SequenceToOffsetTable class. This encodes all these weird things into another 256 bytes, allowing all intrinsics to be encoded this way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156995 91177308-0d34-0410-b5e6-96231b3b80d8
* finish encoding all of the interesting details of intrinsics. Now intrinsicsChris Lattner2012-05-17
| | | | | | | | are only rejected because they can't be encoded into a 32-bit unit, not because they contain an unencodable feature. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156978 91177308-0d34-0410-b5e6-96231b3b80d8
* strengthen the intrinsic descriptor stuff to be able to handle sin, cos and ↵Chris Lattner2012-05-17
| | | | | | | | | other intrinsics that use passed-in arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156977 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify code generated by tblgen that is not necessary since we droppedChris Lattner2012-05-17
| | | | | | | compatibility with LLVM 2.x bitcode files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156976 91177308-0d34-0410-b5e6-96231b3b80d8
* I forgot the #ifdef _MSC_VER guard in my last commit.Francois Pichet2012-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156975 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the MSVC 2010 build: disable the optimizer for a problematic function.Francois Pichet2012-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156973 91177308-0d34-0410-b5e6-96231b3b80d8
* Use RegUnits to compute overlapping registers.Jakob Stoklund Olesen2012-05-16
| | | | | | | | | | | TableGen already computes register units as the basic unit of interference. We can use that to compute the set of overlapping registers. This means that we can easily compute overlap sets for one register at a time. There is no benefit to computing all registers at once. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156960 91177308-0d34-0410-b5e6-96231b3b80d8
* Significantly reduce the compiled size of Functions.cpp by turning a big ↵Chris Lattner2012-05-16
| | | | | | | | | | | blob of tblgen generated code (for Intrinsic::getType) into a table. This handles common cases right now, but I plan to extend it to handle all cases and merge in type verification logic as well in follow-on patches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156905 91177308-0d34-0410-b5e6-96231b3b80d8
* have tblgen emit cast<> instead of dyn_cast<> when we know it must succeed.Chris Lattner2012-05-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156902 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-build: Add support for non-installed libraries (e.g., gtest).Daniel Dunbar2012-05-15
| | | | | | | - These libraries are only reported by llvm-config when run from a development tree. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156838 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-build: Don't emit library information for disabled targets.Daniel Dunbar2012-05-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156837 91177308-0d34-0410-b5e6-96231b3b80d8
* [utils] Fix Get{RepositoryPath,SourceVersion} to have a more robust is-git-svnDaniel Dunbar2012-05-15
| | | | | | check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156836 91177308-0d34-0410-b5e6-96231b3b80d8
* TableGen'erate mapping physical registers to encoding values.Jim Grosbach2012-05-15
| | | | | | | | | | | Many targets always use the same bitwise encoding value for physical registers in all (or most) instructions. Add this mapping to the .td files and TableGen'erate the information and expose an accessor in MCRegisterInfo. patch by Tom Stellard. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156829 91177308-0d34-0410-b5e6-96231b3b80d8
* Create a struct representing register units in TableGen.Jakob Stoklund Olesen2012-05-15
| | | | | | | | | | | | Besides the weight, we also want to store up to two root registers per unit. Most units will have a single root, the leaf register they represent. Units created for ad hoc aliasing get two roots: The two aliasing registers. The root registers can be used to compute the set of overlapping registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156792 91177308-0d34-0410-b5e6-96231b3b80d8
* Consider ad hoc aliasing when building RegUnits.Jakob Stoklund Olesen2012-05-14
| | | | | | | | | | | | | | | | | | | | | | | Register units can be used to compute if two registers overlap: A overlaps B iff units(A) intersects units(B). With this change, the above holds true even on targets that use ad hoc aliasing (currently only ARM). This means that register units can be used to implement regsOverlap() more efficiently, and the register allocator can use the concept to model interference. When there is no ad hoc aliasing, the register units correspond to the maximal cliques in the register overlap graph. This is optimal, no other register unit assignment can have fewer units. With ad hoc aliasing, weird things are possible, and we don't try too hard to compute the maximal cliques. The current approach is always correct, and it works very well (probably optimally) as long as the ad hoc aliasing doesn't have cliques larger than pairs. It seems unlikely that any target would need more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156763 91177308-0d34-0410-b5e6-96231b3b80d8
* Record the ad hoc aliasing graph in CodeGenRegister.Jakob Stoklund Olesen2012-05-14
| | | | | | | | | | | | | The ad hoc aliasing specified in the 'Aliases' list in .td files is currently only used by computeOverlaps(). It will soon be needed to build accurate register units as well, so build the undirected graph in CodeGenRegister::buildObjectGraph() instead. Aliasing is a symmetric relationship with only one direction specified in the .td files. Make sure both directions are represented in getExplicitAliases(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156762 91177308-0d34-0410-b5e6-96231b3b80d8
* Compute topological signatures of registers.Jakob Stoklund Olesen2012-05-14
| | | | | | | | | | | | | | | TableGen creates new register classes and sub-register indices based on the sub-register structure present in the register bank. So far, it has been doing that on a per-register basis, but that is not very efficient. This patch teaches TableGen to compute topological signatures for registers, and use that to reduce the amount of redundant computation. Registers get the same TopoSig if they have identical sub-register structure. TopoSigs are not currently exposed outside TableGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156761 91177308-0d34-0410-b5e6-96231b3b80d8
* Speed up computeComposites() by using the new SubReg -> SubIdx map.Jakob Stoklund Olesen2012-05-12
| | | | | | | TableGen doesn't need to search through the SubRegs map to find an inverse entry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156690 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove extraneous ; and the resulting warning.Bill Wendling2012-05-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156649 91177308-0d34-0410-b5e6-96231b3b80d8
* Defer computation of SuperRegs.Jakob Stoklund Olesen2012-05-11
| | | | | | | | Don't compute the SuperRegs list until the sub-register graph is completely finished. This guarantees that the list of super-registers is properly topologically ordered, and has no duplicates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156629 91177308-0d34-0410-b5e6-96231b3b80d8
* Compute secondary sub-registers.Jakob Stoklund Olesen2012-05-10
| | | | | | | | | | | | | | | | | | | | | | The sub-registers explicitly listed in SubRegs in the .td files form a tree. In a complicated register bank, it is possible to have sub-register relationships across sub-trees. For example, the ARM NEON double vector Q0_Q1 is a tree: Q0_Q1 = [Q0, Q1], Q0 = [D0, D1], Q1 = [D2, D3] But we also define the DPair register D1_D2 = [D1, D2] which is fully contained in Q0_Q1. This patch teaches TableGen to find such sub-register relationships, and assign sub-register indices to them. In the example, TableGen will create a dsub_1_dsub_2 sub-register index, and add D1_D2 as a sub-register of Q0_Q1. This will eventually enable the coalescer to handle copies of skewed sub-registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156587 91177308-0d34-0410-b5e6-96231b3b80d8
* Precompute lists of explicit sub-registers and indices.Jakob Stoklund Olesen2012-05-10
| | | | | | | | The .td files specify a tree of sub-registers. Store that tree as ExplicitSubRegs lists in CodeGenRegister instead of extracting it from the Record when needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156555 91177308-0d34-0410-b5e6-96231b3b80d8
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