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* Add instruction names as comments to InstBits entries.Evan Cheng2008-09-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56275 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove.Devang Patel2008-09-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56256 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting r56249. On further investigation, this functionality isn't needed.Bill Wendling2008-09-16
| | | | | | | 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 Wendling2008-09-16
| | | | | | | | | | | - 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
* Extract optimization pass selection code from llvm-gcc into a separate routine.Devang Patel2008-09-15
| | | | | | | This can be used by other stand alone tools, such as 'opt'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56229 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the LLVM polygen grammar for recent language changes:Dan Gohman2008-09-15
| | | | | | | x86_ssecallcc, function notes, and some whitespace adjustments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56221 91177308-0d34-0410-b5e6-96231b3b80d8
* Change ConstantSDNode and ConstantFPSDNode to use ConstantInt* andDan Gohman2008-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | 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 Gohman2008-09-12
| | | | | | | | 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 Cheng2008-09-11
| | | | 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 Grosbach2008-09-11
| | | | | | | | | | | | 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 Cheng2008-09-11
| | | | | | 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 Gohman2008-09-08
| | | | 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 Cheng2008-09-08
| | | | | | 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 Cheng2008-09-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55878 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indentation of generated code.Evan Cheng2008-09-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55876 91177308-0d34-0410-b5e6-96231b3b80d8
* Ignore multi-instruction patterns. e.g.Evan Cheng2008-09-07
| | | | | | | | 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 Cheng2008-09-03
| | | | | | 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 Cheng2008-09-02
| | | | | | 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 Anderson2008-08-29
| | | | | | 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 Gohman2008-08-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55512 91177308-0d34-0410-b5e6-96231b3b80d8
* just a brain dump for a small toolGabor Greif2008-08-28
| | | | | | | | | | | | | that brings us to 80-col violations or tabs. Usage: visit-violations <file> At the moment it outputs editor invocations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55509 91177308-0d34-0410-b5e6-96231b3b80d8
* erect abstraction boundaries for accessing SDValue members, rename Val -> ↵Gabor Greif2008-08-28
| | | | | | Node to reflect semantics git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55504 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for fast-isel of opcodes that require use of extract_subreg. ↵Owen Anderson2008-08-28
| | | | | | Because of how extract_subreg is treated, it requires special case handling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55480 91177308-0d34-0410-b5e6-96231b3b80d8
* Update a comment to reflect recent changes.Dan Gohman2008-08-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55418 91177308-0d34-0410-b5e6-96231b3b80d8
* Basic FastISel support for floating-point constants.Dan Gohman2008-08-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55401 91177308-0d34-0410-b5e6-96231b3b80d8
* disallow direct access to SDValue::ResNo, provide a getter insteadGabor Greif2008-08-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55394 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor a bunch of FastISelEmitter code into a helper class, andDan Gohman2008-08-26
| | | | | | | | put each major step in a separate function. This makes the high level sequence of events easier to follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55385 91177308-0d34-0410-b5e6-96231b3b80d8
* - small bug corrected: incorrect iterator type.Cedric Venet2008-08-26
| | | | | | - fix to please VS: add a return after an assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55380 91177308-0d34-0410-b5e6-96231b3b80d8
* We need to check that the return type is correct, even in cases where we don'tOwen Anderson2008-08-26
| | | | | | | have a return type that differs from the operand types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55376 91177308-0d34-0410-b5e6-96231b3b80d8
* code simplification, no functionality change.Chris Lattner2008-08-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55363 91177308-0d34-0410-b5e6-96231b3b80d8
* stabilize more printing, this doesn't cause a problemChris Lattner2008-08-26
| | | | | | | in the example attached to PR2590, but is a problem in general. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55361 91177308-0d34-0410-b5e6-96231b3b80d8
* stablize SubRegsSet printing, part of PR2590Chris Lattner2008-08-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55360 91177308-0d34-0410-b5e6-96231b3b80d8
* Stabilize 'getDwarfRegNumFull' output to not depend on random memory Chris Lattner2008-08-26
| | | | | | | orders, part of PR2590 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55359 91177308-0d34-0410-b5e6-96231b3b80d8
* Throw the switch to allow FastISel to emit instructions whose return types ↵Owen Anderson2008-08-26
| | | | | | different from their inputs. Next step: adding lowering pattens in FastISel that actually use these newly available opcodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55349 91177308-0d34-0410-b5e6-96231b3b80d8
* Enhance TableGen to emit code for FastISel of opcodes with variadic return ↵Owen Anderson2008-08-26
| | | | | | types without slowing down opcodes that are not variadic. No such opcodes are currently generated, but in theory it should be a matter of just hitting the switch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55347 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a RetVT parameter to emitted FastISel methods, so that we will be able ↵Owen Anderson2008-08-25
| | | | | | | | | to pass the desired return type down. This is not currently used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55345 91177308-0d34-0410-b5e6-96231b3b80d8
* Deepen the map structure tablegen uses to compute FastISel patterns, in ↵Owen Anderson2008-08-25
| | | | | | | | | preparation for having patterns with return types that differ from their input types. This is not yet used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55344 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for fast isel of (integer) immediate materialization pattens, ↵Owen Anderson2008-08-25
| | | | | | | | | and use them to support bitcast of constants in fast isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55325 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the point at which FastISel taps into the SelectionDAGISelDan Gohman2008-08-23
| | | | | | | | | | | | | | | | | | | process up to a higher level. This allows FastISel to leverage more of SelectionDAGISel's infastructure, such as updating Machine PHI nodes. Also, implement transitioning from SDISel back to FastISel in the middle of a block, so it's now possible to go back and forth. This allows FastISel to hand individual CallInsts and other complicated things off to SDISel to handle, while handling the rest of the block itself. To help support this, reorganize the SelectionDAG class so that it is allocated once and reused throughout a function, instead of being completely reallocated for each block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55219 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a few comments.Dan Gohman2008-08-22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55157 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor out the predicate check code from DAGISelEmitter.cppDan Gohman2008-08-22
| | | | | | | | | | and use it in FastISelEmitter.cpp, and make FastISel subtarget aware. Among other things, this lets it work properly on x86 targets that don't have SSE, where it successfully selects x87 instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55156 91177308-0d34-0410-b5e6-96231b3b80d8
* Basic fast-isel support for instructions with constant int operands.Dan Gohman2008-08-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55099 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the code that limited FastISel to certain fixed signatures.Dan Gohman2008-08-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55096 91177308-0d34-0410-b5e6-96231b3b80d8
* Begin making more use of the FastISelEmitter class.Dan Gohman2008-08-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55093 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove an obsolete todo comment.Dan Gohman2008-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55080 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor the code for determining the target-specific instructionDan Gohman2008-08-20
| | | | | | | namespace out of the isel emitters and into common code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55079 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify FastISel's constructor argument list, make the FastISelDan Gohman2008-08-20
| | | | | | | | | class hold a MachineRegisterInfo member, and make the MachineBasicBlock be passed in to SelectInstructions rather than the FastISel constructor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55076 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the string for MVT::isVoid.Dan Gohman2008-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55034 91177308-0d34-0410-b5e6-96231b3b80d8
* For now, restrict FastISel to instructions that only involve oneDan Gohman2008-08-19
| | | | | | | register class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55008 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor out the code to scan an instruction's operands into aDan Gohman2008-08-19
| | | | | | | helper function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55007 91177308-0d34-0410-b5e6-96231b3b80d8
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