LLVM
8.0.1
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Classes | |
class | PHI_iterator |
Iterator for PHI operands. More... | |
Public Types | |
using | BlkT = MachineBasicBlock |
using | ValT = unsigned |
using | PhiT = MachineInstr |
using | BlkSucc_iterator = MachineBasicBlock::succ_iterator |
Static Public Member Functions | |
static BlkSucc_iterator | BlkSucc_begin (BlkT *BB) |
static BlkSucc_iterator | BlkSucc_end (BlkT *BB) |
static PHI_iterator | PHI_begin (PhiT *PHI) |
static PHI_iterator | PHI_end (PhiT *PHI) |
static void | FindPredecessorBlocks (MachineBasicBlock *BB, SmallVectorImpl< MachineBasicBlock *> *Preds) |
FindPredecessorBlocks - Put the predecessors of BB into the Preds vector. More... | |
static unsigned | GetUndefVal (MachineBasicBlock *BB, MachineSSAUpdater *Updater) |
GetUndefVal - Create an IMPLICIT_DEF instruction with a new register. More... | |
static unsigned | CreateEmptyPHI (MachineBasicBlock *BB, unsigned NumPreds, MachineSSAUpdater *Updater) |
CreateEmptyPHI - Create a PHI instruction that defines a new register. More... | |
static void | AddPHIOperand (MachineInstr *PHI, unsigned Val, MachineBasicBlock *Pred) |
AddPHIOperand - Add the specified value as an operand of the PHI for the specified predecessor block. More... | |
static MachineInstr * | InstrIsPHI (MachineInstr *I) |
InstrIsPHI - Check if an instruction is a PHI. More... | |
static MachineInstr * | ValueIsPHI (unsigned Val, MachineSSAUpdater *Updater) |
ValueIsPHI - Check if the instruction that defines the specified register is a PHI instruction. More... | |
static MachineInstr * | ValueIsNewPHI (unsigned Val, MachineSSAUpdater *Updater) |
ValueIsNewPHI - Like ValueIsPHI but also check if the PHI has no source operands, i.e., it was just added. More... | |
static unsigned | GetPHIValue (MachineInstr *PHI) |
GetPHIValue - For the specified PHI instruction, return the register that it defines. More... | |
Definition at line 242 of file MachineSSAUpdater.cpp.
using llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkSucc_iterator = MachineBasicBlock::succ_iterator |
Definition at line 247 of file MachineSSAUpdater.cpp.
using llvm::SSAUpdaterTraits< MachineSSAUpdater >::BlkT = MachineBasicBlock |
Definition at line 244 of file MachineSSAUpdater.cpp.
using llvm::SSAUpdaterTraits< MachineSSAUpdater >::PhiT = MachineInstr |
Definition at line 246 of file MachineSSAUpdater.cpp.
using llvm::SSAUpdaterTraits< MachineSSAUpdater >::ValT = unsigned |
Definition at line 245 of file MachineSSAUpdater.cpp.
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inlinestatic |
AddPHIOperand - Add the specified value as an operand of the PHI for the specified predecessor block.
Definition at line 315 of file MachineSSAUpdater.cpp.
References llvm::MachineInstrBuilder::addMBB(), and llvm::MachineBasicBlock::getParent().
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Definition at line 249 of file MachineSSAUpdater.cpp.
References llvm::MachineBasicBlock::succ_begin().
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Definition at line 250 of file MachineSSAUpdater.cpp.
References llvm::MachineBasicBlock::succ_end().
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CreateEmptyPHI - Create a PHI instruction that defines a new register.
Add it into the specified block and return the register.
Definition at line 304 of file MachineSSAUpdater.cpp.
References llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::empty(), llvm::MachineBasicBlock::end(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and InsertNewDef().
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inlinestatic |
FindPredecessorBlocks - Put the predecessors of BB into the Preds vector.
Definition at line 283 of file MachineSSAUpdater.cpp.
References E, llvm::MachineBasicBlock::pred_begin(), llvm::MachineBasicBlock::pred_end(), and llvm::SmallVectorTemplateBase< T >::push_back().
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inlinestatic |
GetPHIValue - For the specified PHI instruction, return the register that it defines.
Definition at line 344 of file MachineSSAUpdater.cpp.
References getAvailableVals(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and llvm::SSAUpdaterImpl< UpdaterT >::GetValue().
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inlinestatic |
GetUndefVal - Create an IMPLICIT_DEF instruction with a new register.
Add it into the specified block and return the register.
Definition at line 292 of file MachineSSAUpdater.cpp.
References llvm::MachineBasicBlock::getFirstTerminator(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and InsertNewDef().
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InstrIsPHI - Check if an instruction is a PHI.
Definition at line 321 of file MachineSSAUpdater.cpp.
References llvm::MachineInstr::isPHI().
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Definition at line 275 of file MachineSSAUpdater.cpp.
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Definition at line 277 of file MachineSSAUpdater.cpp.
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ValueIsNewPHI - Like ValueIsPHI but also check if the PHI has no source operands, i.e., it was just added.
Definition at line 335 of file MachineSSAUpdater.cpp.
References llvm::MachineInstr::getNumOperands().
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inlinestatic |
ValueIsPHI - Check if the instruction that defines the specified register is a PHI instruction.
Definition at line 329 of file MachineSSAUpdater.cpp.
References llvm::MachineRegisterInfo::getVRegDef().