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* Some cosmetic changes.Mikhail Glushenkov2008-11-121-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59096 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow $CALL and $ENV in command names. Fixes #3025.Mikhail Glushenkov2008-11-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58922 91177308-0d34-0410-b5e6-96231b3b80d8
* Properly escape dashes in TableGen's LLVMC2 emitter.Anton Korobeynikov2008-11-081-2/+2
| | | | | | Patch by Patrick Walton! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58901 91177308-0d34-0410-b5e6-96231b3b80d8
* Make tablegen print out a nice error message for a const char*Dan Gohman2008-11-071-0/+7
| | | | | | | exception, like it does for a std::string exception. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58865 91177308-0d34-0410-b5e6-96231b3b80d8
* Use an assert to check that SelectCode isn't called onDan Gohman2008-11-051-5/+4
| | | | | | | nodes that are already selected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58763 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate the ISel priority queue, which used the topological order for aDan Gohman2008-11-051-30/+5
| | | | | | | | | | | | | | | | | | | | | | | | | priority function. Instead, just iterate over the AllNodes list, which is already in topological order. This eliminates a fair amount of bookkeeping, and speeds up the isel phase by about 15% on many testcases. The impact on most targets is that AddToISelQueue calls can be simply removed. In the x86 target, there are two additional notable changes. The rule-bending AND+SHIFT optimization in MatchAddress that creates new pre-isel nodes during isel is now a little more verbose, but more robust. Instead of either creating an invalid DAG or creating an invalid topological sort, as it has historically done, it can now just insert the new nodes into the node list at a position where they will be consistent with the topological ordering. Also, the address-matching code has logic that checked to see if a node was "already selected". However, when a node is selected, it has all its uses taken away via ReplaceAllUsesWith or equivalent, so it won't recieve any further visits from MatchAddress. This code is now removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58748 91177308-0d34-0410-b5e6-96231b3b80d8
* Give tablegen's Type a destructor, to suppress spuriousDan Gohman2008-11-041-0/+1
| | | | | | | | "Type has virtual functions but non-virtual destructor" warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58710 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some asserts to verify MVT invariant assumptions.Dan Gohman2008-11-041-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58701 91177308-0d34-0410-b5e6-96231b3b80d8
* Change how extended types are represented in MVTs. Instead of fiddlingDan Gohman2008-11-032-0/+124
| | | | | | | | | | | | | | | | | | | | | | | | | bits, use a union of a SimpleValueType enum and a regular Type*. This increases the size of MVT on 64-bit hosts from 32 bits to 64 bits. In most cases, this doesn't add significant overhead. There are places in codegen that use arrays of MVTs, so these are now larger, but they're small in common cases. This eliminates restrictions on the size of integer types and vector types that can be represented in codegen. As the included testcase demonstrates, it's now possible to codegen very large add operations. There are still some complications with using very large types. PR2880 is still open so they can't be used as return values on normal targets, there are no libcalls defined for very large integers so operations like multiply and divide aren't supported. This also introduces a minimal tablgen Type library, capable of handling IntegerType and VectorType. This will allow parts of TableGen that don't depend on using SimpleValueType values to handle arbitrary integer and vector types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58623 91177308-0d34-0410-b5e6-96231b3b80d8
* Have TableGen emit setSubgraphColor calls under control of a -gen-debugDavid Greene2008-10-271-5/+45
| | | | | | | | | flag. Then in a debugger developers can set breakpoints at these calls to see waht is about to be selected and what the resulting subgraph looks like. This really helps when debugging instruction selection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58278 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove tabs from my previous commit.Cedric Venet2008-10-271-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58263 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove redundant word in tblgen error message.Matthijs Kooijman2008-10-271-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58250 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a default constructor to AsmWriterOperand to make VS2008sp1 happy. ↵Cedric Venet2008-10-261-0/+3
| | | | | | (AsmWriterOperand is used in a std::pair, and VS need to generate the default constructor of this pair). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58185 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak LLVM on the MSVC compiler:Argyrios Kyrtzidis2008-10-222-0/+2
| | | | | | | -Bring in int64_t for TableGen/Record.h and TableGen/TGLexer.h -Define strtoull git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57970 91177308-0d34-0410-b5e6-96231b3b80d8
* Add RCBarriers to TargetInstrDesc. It's a list of register classes the given ↵Evan Cheng2008-10-172-1/+60
| | | | | | | | | instruction can "clobber". For example, on x86 the call instruction can modify all of the XMM and fp stack registers. TableGen has been taught to generate the lists from instruction definitions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57722 91177308-0d34-0410-b5e6-96231b3b80d8
* Use INT64_C to emit constant values, to avoid problems withDan Gohman2008-10-171-2/+3
| | | | | | | | | constants that don't fit in an int. This fixes "this decimal constant is unsigned only in ISO C90" warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57668 91177308-0d34-0410-b5e6-96231b3b80d8
* Fun x86 encoding tricks: when adding an immediate value of 128,Dan Gohman2008-10-177-27/+40
| | | | | | | | | | | | | | use a SUB instruction instead of an ADD, because -128 can be encoded in an 8-bit signed immediate field, while +128 can't be. This avoids the need for a 32-bit immediate field in this case. A similar optimization applies to 64-bit adds with 0x80000000, with the 32-bit signed immediate field. To support this, teach tablegen how to handle 64-bit constants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57663 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for having multiple predicates on a TreePatternNode.Dan Gohman2008-10-154-70/+109
| | | | | | | | | This will allow predicates to be composed, which will allow the predicate definitions to become less redundant, and eventually will allow DAGISelEmitter.cpp to emit less redundant code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57562 91177308-0d34-0410-b5e6-96231b3b80d8
* Add <cstdio> include where needed by gcc-4.4.Duncan Sands2008-10-082-0/+2
| | | | | | | Patch by Samuel Tardieu. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57291 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix shift overflow bug that would occur when a field was a full 32-bits Chris Lattner2008-10-051-1/+1
| | | | | | | | in tblgen. This is PR2827, thanks to Waldemar Knorr for tracking this down. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57124 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle some 64-bit atomics on x86-32, some of the time.Dale Johannesen2008-10-021-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56963 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the primary fast-isel top-level comments to FastISel.cpp, whereDan Gohman2008-09-301-24/+6
| | | | | | | they'll be a little more visible. Also, update and reword them a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56877 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the code that handles DAGISel error conditions intoDan Gohman2008-09-271-25/+27
| | | | | | | | | helper functions instead of duplicating it inline each time it is needed. This eliminates a few hundred or so copies of this code in each target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56759 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename ConstantSDNode's getSignExtended to getSExtValue, forDan Gohman2008-09-261-2/+2
| | | | | | | | consistancy with ConstantInt, and re-implement it in terms of ConstantInt's getSExtValue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56700 91177308-0d34-0410-b5e6-96231b3b80d8
* Large mechanical patch.Devang Patel2008-09-251-2/+2
| | | | | | | | | | | | | | | | | s/ParamAttr/Attribute/g s/PAList/AttrList/g s/FnAttributeWithIndex/AttributeWithIndex/g s/FnAttr/Attribute/g This sets the stage - to implement function notes as function attributes and - to distinguish between function attributes and return value attributes. This requires corresponding changes in llvm-gcc and clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56622 91177308-0d34-0410-b5e6-96231b3b80d8
* Move llvmc2 header files under include/llvm/CompilerDriverMikhail Glushenkov2008-09-221-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56466 91177308-0d34-0410-b5e6-96231b3b80d8
* Plugin support for llvmc2 (a-la opt).Mikhail Glushenkov2008-09-221-4/+42
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56465 91177308-0d34-0410-b5e6-96231b3b80d8
* Make comments a little bit more clear.Mikhail Glushenkov2008-09-221-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56463 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of GlobalLanguageMap. Global state is evil.Mikhail Glushenkov2008-09-221-7/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56462 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a (forward_as) option propertyMikhail Glushenkov2008-09-221-11/+39
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56459 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete the file llvmc2/doc/LLVMC-Enhancements.rst + some minor ↵Mikhail Glushenkov2008-09-221-3/+2
| | | | | | language/spelling fixes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56458 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for the CMake build system.Oscar Fuentes2008-09-221-0/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56419 91177308-0d34-0410-b5e6-96231b3b80d8
* Add instruction names as comments to InstBits entries.Evan Cheng2008-09-171-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56275 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting r56249. On further investigation, this functionality isn't needed.Bill Wendling2008-09-161-3/+3
| | | | | | | Apologies for the thrashing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56251 91177308-0d34-0410-b5e6-96231b3b80d8
* - Change "ExternalSymbolSDNode" to "SymbolSDNode".Bill Wendling2008-09-161-3/+3
| | | | | | | | | | | - Add linkage to SymbolSDNode (default to external). - Change ISD::ExternalSymbol to ISD::Symbol. - Change ISD::TargetExternalSymbol to ISD::TargetSymbol These changes pave the way to allowing SymbolSDNodes with non-external linkage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56249 91177308-0d34-0410-b5e6-96231b3b80d8
* Change ConstantSDNode and ConstantFPSDNode to use ConstantInt* andDan Gohman2008-09-121-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | ConstantFP* instead of APInt and APFloat directly. This reduces the amount of time to create ConstantSDNode and ConstantFPSDNode nodes when ConstantInt* and ConstantFP* respectively are already available, as is the case in SelectionDAGBuild.cpp. Also, it reduces the amount of time to legalize constants into constant pools, and the amount of time to add ConstantFP operands to MachineInstrs, due to eliminating ConstantInt::get and ConstantFP::get calls. It increases the amount of work needed to create new constants in cases where the client doesn't already have a ConstantInt* or ConstantFP*, such as legalize expanding 64-bit integer constants to 32-bit constants. And it adds a layer of indirection for the accessor methods. But these appear to be outweight by the benefits in most cases. It will also make it easier to make ConstantSDNode and ConstantFPNode more consistent with ConstantInt and ConstantFP. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56162 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename ConstantSDNode::getValue to getZExtValue, for consistencyDan Gohman2008-09-121-5/+6
| | | | | | | | with ConstantInt. This led to fixing a bug in TargetLowering.cpp using getValue instead of getAPIntValue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56159 91177308-0d34-0410-b5e6-96231b3b80d8
* Indentation.Evan Cheng2008-09-111-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56107 91177308-0d34-0410-b5e6-96231b3b80d8
* lib/Target/SubtargetFeature.cpp asserts that the FeatureKV[] table be sorted Jim Grosbach2008-09-112-2/+3
| | | | | | | | | | | | by its first field, but TableGen doesn't actually enforce creating it that way. TableGen sorts the records that will be used to create it by the names of the records, not the Name field of those records. This patch corrects the sort to use the "Name" field of the record as the sort key. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56106 91177308-0d34-0410-b5e6-96231b3b80d8
* Change getSubReg semantics. It now returns zero if the specified register ↵Evan Cheng2008-09-111-2/+2
| | | | | | doesn't have a subreg of the specified index. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56099 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typos in (generated) comments.Dan Gohman2008-09-081-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55916 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly handle physical register inputs. They are not explicit input ↵Evan Cheng2008-09-081-9/+30
| | | | | | operands in the resulting machine instrs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55893 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate a compile time warning.Evan Cheng2008-09-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55878 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indentation of generated code.Evan Cheng2008-09-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55876 91177308-0d34-0410-b5e6-96231b3b80d8
* Ignore multi-instruction patterns. e.g.Evan Cheng2008-09-071-0/+14
| | | | | | | | def : Pat<(i8 (trunc GR32:$src)), (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src), x86_subreg_8bit))> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55875 91177308-0d34-0410-b5e6-96231b3b80d8
* Let tblgen only generate fastisel routines, not the class definition. This ↵Evan Cheng2008-09-031-106/+5
| | | | | | makes it easier for targets to define its own fastisel class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55679 91177308-0d34-0410-b5e6-96231b3b80d8
* Change getBinaryCodeForInstr prototype. First operand MachineInstr& should ↵Evan Cheng2008-09-021-1/+2
| | | | | | be const. Make corresponding changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55623 91177308-0d34-0410-b5e6-96231b3b80d8
* Add initial support for fast isel of instructions that have inputs pinned to ↵Owen Anderson2008-08-291-19/+107
| | | | | | physical registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55545 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a target callback for FastISel.Dan Gohman2008-08-281-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55512 91177308-0d34-0410-b5e6-96231b3b80d8
* erect abstraction boundaries for accessing SDValue members, rename Val -> ↵Gabor Greif2008-08-281-34/+34
| | | | | | Node to reflect semantics git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55504 91177308-0d34-0410-b5e6-96231b3b80d8
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