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* Add a BlockAddress MachineOperand kind.Dan Gohman2009-10-301-10/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85549 91177308-0d34-0410-b5e6-96231b3b80d8
* Move DataTypes.h to include/llvm/System, update all users. This breaks the lastChandler Carruth2009-10-261-1/+1
| | | | | | | direct inclusion edge from System to Support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85086 91177308-0d34-0410-b5e6-96231b3b80d8
* improve comments.Chris Lattner2009-09-031-1/+3
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* Remove Offset from ExternalSybmol MachineOperands, this is unused (and at ↵Daniel Dunbar2009-09-011-2/+2
| | | | | | 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
* remove various std::ostream version of printing methods fromChris Lattner2009-08-231-7/+0
| | | | | | | | | MachineInstr and MachineOperand. This required eliminating a bunch of stuff that was using DOUT, I hope that bill doesn't mind me stealing his fun. ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79813 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the default copy-ctor, copy-assignment, and destructor.Dan Gohman2009-08-111-20/+0
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* Add isMetadata() to check metadata operand.Devang Patel2009-07-061-1/+3
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* Remove tabs.Devang Patel2009-07-021-2/+2
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* Add getMDNode() to access metadata node.Devang Patel2009-07-011-0/+4
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* Add machine operand for MDNodes. This will be used to communicate debug info.Devang Patel2009-07-011-1/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74628 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a bit IsUndef to MachineOperand. This indicates the def / use register ↵Evan Cheng2009-06-301-3/+21
| | | | | | | | | | | 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
* ad MachineInstrBuilder support for target flags on operands.Chris Lattner2009-06-251-5/+15
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* Rearrange some stuff in MachineOperand and add a new TargetFlags field.Chris Lattner2009-06-241-7/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74087 91177308-0d34-0410-b5e6-96231b3b80d8
* fit in 80 colsChris Lattner2009-06-211-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73838 91177308-0d34-0410-b5e6-96231b3b80d8
* Give RemoveRegOperandFromRegInfo a comment and move theDan Gohman2009-04-151-12/+3
| | | | | | | code out of line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69124 91177308-0d34-0410-b5e6-96231b3b80d8
* Comment MO_FPImmediate and doxygenate surrounding comments.Dan Gohman2008-12-231-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61374 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach DAGCombine to fold constant offsets into GlobalAddress nodes,Dan Gohman2008-10-181-5/+5
| | | | | | | | | | | | | | | | | | | | | | | 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
* Switch the MachineOperand accessors back to the short names likeDan Gohman2008-10-031-39/+50
| | | | | | | isReg, etc., from isRegister, etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57006 91177308-0d34-0410-b5e6-96231b3b80d8
* Next round of earlyclobber handling. Approach theDale Johannesen2008-09-241-20/+1
| | | | | | | | | | | | RA problem by expanding the live interval of an earlyclobber def back one slot. Remove overlap-earlyclobber throughout. Remove earlyclobber bits and their handling from live internals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56539 91177308-0d34-0410-b5e6-96231b3b80d8
* explain what earlyclobber actually is.Chris Lattner2008-09-211-3/+3
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* Add a bit to mark operands of asm's that conflictDale Johannesen2008-09-171-1/+20
| | | | | | | | | | | with an earlyclobber operand elsewhere. Propagate this bit and the earlyclobber bit through SDISel. Change linear-scan RA not to allocate regs in a way that conflicts with an earlyclobber. See also comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56290 91177308-0d34-0410-b5e6-96231b3b80d8
* adjust last patch per review feedbackDale Johannesen2008-09-141-7/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56194 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove isImm(), isReg(), and friends, in favor of Dan Gohman2008-09-131-10/+1
| | | | | | | | | | isImmediate(), isRegister(), and friends, to avoid confusion about having two different names with the same meaning. I'm not attached to the longer names, and would be ok with changing to the shorter names if others prefer it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56189 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
* Pass "earlyclobber" bit through to machineDale Johannesen2008-09-121-2/+22
| | | | | | | | | representation; coalescer and RA need to know about it. No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56161 91177308-0d34-0410-b5e6-96231b3b80d8
* Use raw_ostream throughout the AsmPrinter.Owen Anderson2008-08-211-0/+7
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* Fix a copy+pasto in an assertion string.Dan Gohman2008-07-101-1/+1
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* Prune and tidy #includes.Dan Gohman2008-05-291-1/+0
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* Back out r48353. Not needed.Evan Cheng2008-03-141-11/+4
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* Add an MO_Undef MachineOperandType, intended for INSERT_SUBREG. Next up ↵Evan Cheng2008-03-141-4/+11
| | | | | | MO_Undead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48353 91177308-0d34-0410-b5e6-96231b3b80d8
* Support a new type of MachineOperand, MO_FPImmediate, used for holdingNate Begeman2008-02-141-0/+15
| | | | | | | FP Immediates, crazily enough git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47117 91177308-0d34-0410-b5e6-96231b3b80d8
* Add explicit keywords.Dan Gohman2008-01-291-1/+1
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* add efficient iteration support for register use/def's Chris Lattner2008-01-011-0/+7
| | | | | | | within a machine function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45479 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement automatically updated def/use lists for all MachineInstr register Chris Lattner2008-01-011-23/+49
| | | | | | | | operands. The lists are currently kept in MachineRegisterInfo, but it does not yet provide an iterator interface to them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45477 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new shorter predicates for testing machine operands for various types: Chris Lattner2007-12-301-13/+13
| | | | | | | | | | | | | | e.g. MO.isMBB() instead of MO.isMachineBasicBlock(). I don't plan on switching everything over, so new clients should just start using the shorter names. Remove old long accessors, switching everything over to use the short accessor: getMachineBasicBlock() -> getMBB(), getConstantPoolIndex() -> getIndex(), setMachineBasicBlock -> setMBB(), etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45464 91177308-0d34-0410-b5e6-96231b3b80d8
* - rename opType -> OpKind and contents -> Contents.Chris Lattner2007-12-301-100/+105
| | | | | | | | | | | | - eliminate the auxInfo union, merging it into the contents union. This shaves 4 bytes off MachineOperand on a 32-bit machine. - Use accessors in ctor methods. - Add comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45462 91177308-0d34-0410-b5e6-96231b3b80d8
* More cleanups for MachineOperand:Chris Lattner2007-12-301-85/+109
| | | | | | | | | | | - Eliminate the static "print" method for operands, moving it into MachineOperand::print. - Change various set* methods for register flags to take a bool for the value to set it to. Remove unset* methods. - Group methods more logically by operand flavor in MachineOperand.h git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45461 91177308-0d34-0410-b5e6-96231b3b80d8
* MachineOperand:Chris Lattner2007-12-301-34/+30
| | | | | | | | | | | | | | | | | | | - Add getParent() accessors. - Move SubReg out of the AuxInfo union, to make way for future changes. - Remove the getImmedValue/setImmedValue methods. - in some MachineOperand::Create* methods, stop initializing fields that are dead. MachineInstr: - Delete one copy of the MachineInstr printing code, now there is only one dump format and one copy of the code. - Make MachineOperand use the parent field to get info about preg register names if no target info is otherwise available. - Move def/use/kill/dead flag printing to the machineoperand printer, so they are always printed for an operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45460 91177308-0d34-0410-b5e6-96231b3b80d8
* make machine operands fatter: give each one an up-pointer to the Chris Lattner2007-12-301-2/+7
| | | | | | | machineinstr that owns it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45449 91177308-0d34-0410-b5e6-96231b3b80d8
* split machineoperand out into its own header file.Chris Lattner2007-12-301-0/+353
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45445 91177308-0d34-0410-b5e6-96231b3b80d8
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