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* Remove remnant of load folding in local register allocator. Patch by Holger ↵Evan Cheng2008-02-071-7/+1
| | | | | | Schurig. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46861 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a number of local register allocator issues: PR1609.Evan Cheng2008-02-061-14/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46821 91177308-0d34-0410-b5e6-96231b3b80d8
* RegAllocaLocal still *requires* LiveVariables since it runs PHIElimination, ↵Evan Cheng2008-02-061-1/+3
| | | | | | followed by TwoAddress which requires LiveVariables. We cannot run LiveVariables on non-SSA code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46813 91177308-0d34-0410-b5e6-96231b3b80d8
* Reg alloc doesn't really need LiveVariables.Owen Anderson2008-01-271-9/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46420 91177308-0d34-0410-b5e6-96231b3b80d8
* When a live virtual register is being clobbered by an implicit def, it is ↵Evan Cheng2008-01-171-2/+20
| | | | | | | | | | | | spilled and the spill is its kill. However, if the local allocator has determined the register has not been modified (possible when its value was reloaded), it would not issue a restore. In that case, mark the last use of the virtual register as kill. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46111 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace std::vector<bool> with BitVector.Evan Cheng2008-01-171-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46104 91177308-0d34-0410-b5e6-96231b3b80d8
* rename TargetInstrDescriptor -> TargetInstrDesc.Chris Lattner2008-01-071-1/+1
| | | | | | | | 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
* Update CodeGen for MRegisterInfo --> TargetInstrInfo changes.Owen Anderson2008-01-071-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45673 91177308-0d34-0410-b5e6-96231b3b80d8
* Move some more instruction creation methods from RegisterInfo into InstrInfo.Owen Anderson2008-01-011-2/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45484 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename SSARegMap -> MachineRegisterInfo in keeping with the idea Chris Lattner2007-12-311-41/+41
| | | | | | | | | | | | | | | | that "machine" classes are used to represent the current state of the code being compiled. Given this expanded name, we can start moving other stuff into it. For now, move the UsedPhysRegs and LiveIn/LoveOuts vectors from MachineFunction into it. Update all the clients to match. This also reduces some needless #includes, such as MachineModuleInfo from MachineFunction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45467 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove attribution from file headers, per discussion on llvmdev.Chris Lattner2007-12-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a argument to storeRegToStackSlot and storeRegToAddr to specify whetherEvan Cheng2007-12-051-1/+1
| | | | | | | the stored register is killed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44600 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove redundant foldMemoryOperand variants and other code clean up.Evan Cheng2007-12-021-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44517 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing paratheses.Evan Cheng2007-10-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43227 91177308-0d34-0410-b5e6-96231b3b80d8
* It's not necessary to do rounding for alloca operations when the requestedDan Gohman2007-07-181-0/+830
alignment is equal to the stack alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
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