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* Initial va_arg support for x86-64. Patch by David Meyer!Dan Gohman2010-10-121-0/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116319 91177308-0d34-0410-b5e6-96231b3b80d8
* Add const qualifiers to CodeGen's use of LLVM IR constructs.Dan Gohman2010-04-151-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101334 91177308-0d34-0410-b5e6-96231b3b80d8
* add builder support for mcsymbol operands.Chris Lattner2010-03-131-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98434 91177308-0d34-0410-b5e6-96231b3b80d8
* Further constify MDNode* references.Dale Johannesen2010-02-261-1/+1
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* Add a Debug bit to MachineOperand, for uses thatDale Johannesen2010-02-061-1/+3
| | | | | | | | | | are from debug info. Add an iterator to MachineRegisterInfo to skip Debug operands when walking the use list. No functional change yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95473 91177308-0d34-0410-b5e6-96231b3b80d8
* Further progration of metadata operands. TheDale Johannesen2010-01-131-0/+6
| | | | | | | | | dumper doesn't really do what I want yet, but at least it doesn't crash now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93272 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead code.Devang Patel2009-10-301-7/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85551 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve MachineMemOperand handling.Dan Gohman2009-09-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | - Allocate MachineMemOperands and MachineMemOperand lists in MachineFunctions. This eliminates MachineInstr's std::list member and allows the data to be created by isel and live for the remainder of codegen, avoiding a lot of copying and unnecessary translation. This also shrinks MemSDNode. - Delete MemOperandSDNode. Introduce MachineSDNode which has dedicated fields for MachineMemOperands. - Change MemSDNode to have a MachineMemOperand member instead of its own fields with the same information. This introduces some redundancy, but it's more consistent with what MachineInstr will eventually want. - Ignore alignment when searching for redundant loads for CSE, but remember the greatest alignment. Target-specific code which previously used MemOperandSDNodes with generic SDNodes now use MemIntrinsicSDNodes, with opcodes in a designated range so that the SelectionDAG framework knows that MachineMemOperand information is available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82794 91177308-0d34-0410-b5e6-96231b3b80d8
* A few more tabs -> spaces.Daniel Dunbar2009-09-201-3/+3
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* Remove Offset from ExternalSybmol MachineOperands, this is unused (and at ↵Daniel Dunbar2009-09-011-2/+1
| | | | | | least partly unsupported, in X86 encoding at least). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80726 91177308-0d34-0410-b5e6-96231b3b80d8
* add default ctor.Chris Lattner2009-07-091-0/+1
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* Add machine operand for MDNodes. This will be used to communicate debug info.Devang Patel2009-07-011-0/+7
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* Add a bit IsUndef to MachineOperand. This indicates the def / use register ↵Evan Cheng2009-06-301-3/+8
| | | | | | | | | | | operand is defined by an implicit_def. That means it can def / use any register and passes (e.g. register scavenger) can feel free to ignore them. The register allocator, when it allocates a register to a virtual register defined by an implicit_def, can allocate any physical register without worrying about overlapping live ranges. It should mark all of operands of the said virtual register so later passes will do the right thing. This is not the best solution. But it should be a lot less fragile to having the scavenger try to track what is defined by implicit_def. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74518 91177308-0d34-0410-b5e6-96231b3b80d8
* just eliminate the code entirely!Chris Lattner2009-06-251-28/+1
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* Clone target flags when copying mbb operands.Chris Lattner2009-06-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74181 91177308-0d34-0410-b5e6-96231b3b80d8
* Identify unconditional gotos and generate a page sel instructions before them.Sanjiv Gupta2009-06-251-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74172 91177308-0d34-0410-b5e6-96231b3b80d8
* ad MachineInstrBuilder support for target flags on operands.Chris Lattner2009-06-251-14/+23
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* Change MachineInstrBuilder::addReg() to take a flag instead of a list ofBill Wendling2009-05-131-11/+45
| | | | | | | | | | | | | booleans. This gives a better indication of what the "addReg()" is doing. Remembering what all of those booleans mean isn't easy, especially if you aren't spending all of your time in that code. I took Jakob's suggestion and made it illegal to pass in "true" for the flag. This should hopefully prevent any unintended misuse of this (by reverting to the old way of using addReg()). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71722 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor out the code to add a MachineOperand to a MachineInstrBuilder.Dan Gohman2009-02-181-2/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64891 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove non-DebugLoc versions of BuildMI.Dale Johannesen2009-02-131-26/+0
| | | | | | | | "I got blisters on my fingers." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64439 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate a couple of non-DebugLoc BuildMI variants.Dale Johannesen2009-02-121-12/+0
| | | | | | | | Modify callers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64409 91177308-0d34-0410-b5e6-96231b3b80d8
* Create DebugLoc information in FastISel. Several temporary methods wereBill Wendling2009-02-031-7/+52
| | | | | | | | created. Specifically, those BuildMIs which use "DebugLoc::getUnknownLoc()". I'll remove them soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63584 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up #includes, deleting a bunch of unnecessary #includes.Dan Gohman2009-01-051-1/+0
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* Extend X86's addFrameReference to add a MachineMemOperand forDan Gohman2008-12-031-0/+5
| | | | | | | | the frame reference. This will help post-RA scheduling determine that spills to distinct stack slots are independent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60486 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach DAGCombine to fold constant offsets into GlobalAddress nodes,Dan Gohman2008-10-181-3/+4
| | | | | | | | | | | | | | | | | | | | | | | and add a TargetLowering hook for it to use to determine when this is legal (i.e. not in PIC mode, etc.) This allows instruction selection to emit folded constant offsets in more cases, such as the included testcase, eliminating the need for explicit arithmetic instructions. This eliminates the need for the C++ code in X86ISelDAGToDAG.cpp that attempted to achieve the same effect, but wasn't as effective. Also, fix handling of offsets in GlobalAddressSDNodes in several places, including changing GlobalAddressSDNode's offset from int to int64_t. The Mips, Alpha, Sparc, and CellSPU targets appear to be unaware of GlobalAddress offsets currently, so set the hook to false on those targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57748 91177308-0d34-0410-b5e6-96231b3b80d8
* Change ConstantSDNode and ConstantFPSDNode to use ConstantInt* andDan Gohman2008-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | 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
* Add a MachineInstrBuilder method for adding floating-pointDan Gohman2008-08-261-0/+5
| | | | | | | immediate operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55397 91177308-0d34-0410-b5e6-96231b3b80d8
* Pool-allocation for MachineInstrs, MachineBasicBlocks, andDan Gohman2008-07-071-12/+8
| | | | | | | | | | | | MachineMemOperands. The pools are owned by MachineFunctions. This drastically reduces the number of calls to malloc/free made during the "Emit" phase of scheduling, as well as later phases in CodeGen. Combined with other changes, this speeds up the "instruction selection" phase of CodeGen by 10% in some cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53212 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename MemOperand to MachineMemOperand. This was suggested byDan Gohman2008-04-071-1/+1
| | | | | | | | review feedback from Chris quite a while ago. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49348 91177308-0d34-0410-b5e6-96231b3b80d8
* Back out r48353. Not needed.Evan Cheng2008-03-141-5/+0
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* Add an MO_Undef MachineOperandType, intended for INSERT_SUBREG. Next up ↵Evan Cheng2008-03-141-0/+5
| | | | | | MO_Undead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48353 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply the memory operand changes, with a fix for the staticDan Gohman2008-02-061-0/+6
| | | | | | | | | initializer problem, a minor tweak to the way the DAGISelEmitter finds load/store nodes, and a renaming of the new PseudoSourceValue objects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46827 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 46556 and 46585. Dan please fix the PseudoSourceValue problem and ↵Evan Cheng2008-01-311-6/+0
| | | | | | re-commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46623 91177308-0d34-0410-b5e6-96231b3b80d8
* Create a new class, MemOperand, for describing memory referencesDan Gohman2008-01-311-0/+6
| | | | | | | | | | | | | | | | | in the backend. Introduce a new SDNode type, MemOperandSDNode, for holding a MemOperand in the SelectionDAG IR, and add a MemOperand list to MachineInstr, and code to manage them. Remove the offset field from SrcValueSDNode; uses of SrcValueSDNode that were using it are all all using MemOperandSDNode now. Also, begin updating some getLoad and getStore calls to use the PseudoSourceValue objects. Most of this was written by Florian Brander, some reorganization and updating to TOT by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46585 91177308-0d34-0410-b5e6-96231b3b80d8
* rename TargetInstrDescriptor -> TargetInstrDesc.Chris Lattner2008-01-071-7/+7
| | | | | | | | Make MachineInstr::getDesc return a reference instead of a pointer, since it can never be null. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45695 91177308-0d34-0410-b5e6-96231b3b80d8
* Shrinkify the machine operand creation method names.Chris Lattner2007-12-301-6/+6
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* switch MIBuilder over to use the simplified operand addition methods.Chris Lattner2007-12-301-8/+9
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* Don't attribute in file headers anymore. See llvmdev for theChris Lattner2007-12-291-2/+2
| | | | | | | | discussion of this change. Boy are my fingers tired. ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up sub-register implementation by moving subReg information back toEvan Cheng2007-11-141-2/+2
| | | | | | | | | | | | MachineOperand auxInfo. Previous clunky implementation uses an external map to track sub-register uses. That works because register allocator uses a new virtual register for each spilled use. With interval splitting (coming soon), we may have multiple uses of the same register some of which are of using different sub-registers from others. It's too fragile to constantly update the information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44104 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix 80 col violation.Christopher Lamb2007-07-261-2/+3
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* Remove subreg index from MachineInstr's and also keep vregs as unsigned when ↵Christopher Lamb2007-07-261-1/+1
| | | | | | adding operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40514 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the 'explicit' keyword to several constructors that accept oneDan Gohman2007-03-231-1/+1
| | | | | | | argument that don't appear intended as implicit-conversion operators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35280 91177308-0d34-0410-b5e6-96231b3b80d8
* Should pass isKill and isDead to addRegOperand() as well.Evan Cheng2007-02-151-1/+1
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* Fix indentation.Evan Cheng2006-11-281-2/+2
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* Change MachineInstr ctor's to take a TargetInstrDescriptor reference insteadEvan Cheng2006-11-271-29/+21
| | | | | | | of opcode and number of operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31947 91177308-0d34-0410-b5e6-96231b3b80d8
* Matches MachineInstr changes.Evan Cheng2006-11-131-14/+15
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* Add methods to add implicit def use operands to a MI.Evan Cheng2006-11-111-0/+5
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* Add implicit def / use operands to MachineInstr.Evan Cheng2006-11-101-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31632 91177308-0d34-0410-b5e6-96231b3b80d8
* Completely eliminate def&use operands. Now a register operand is EITHER aChris Lattner2006-09-051-10/+6
| | | | | | | def operand or a use operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30109 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove and simplify some more machineinstr/machineoperand stuff.Chris Lattner2006-05-041-19/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28105 91177308-0d34-0410-b5e6-96231b3b80d8
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