A pure virtual base class for all recipes modeling header phis, including phis for first order recurrences, pointer inductions and reductions. More...
#include "Transforms/Vectorize/VPlan.h"
Inheritance diagram for llvm::VPHeaderPHIRecipe:
Collaboration diagram for llvm::VPHeaderPHIRecipe:
Public Member Functions | |
| ~VPHeaderPHIRecipe () override=default | |
| void | execute (VPTransformState &State) override=0 |
| Generate the phi nodes. More... | |
| void | print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const override=0 |
| Print the recipe. More... | |
| VPValue * | getStartValue () |
| Returns the start value of the phi, if one is set. More... | |
| VPValue * | getStartValue () const |
| VPValue * | getBackedgeValue () |
| Returns the incoming value from the loop backedge. More... | |
| VPRecipeBase * | getBackedgeRecipe () |
| Returns the backedge value as a recipe. More... | |
 Public Member Functions inherited from llvm::VPRecipeBase | |
| VPRecipeBase (const unsigned char SC, ArrayRef< VPValue * > Operands) | |
| template<typename IterT > | |
| VPRecipeBase (const unsigned char SC, iterator_range< IterT > Operands) | |
| virtual | ~VPRecipeBase ()=default |
| VPBasicBlock * | getParent () |
| const VPBasicBlock * | getParent () const |
| void | insertBefore (VPRecipeBase *InsertPos) |
| Insert an unlinked recipe into a basic block immediately before the specified recipe. More... | |
| void | insertBefore (VPBasicBlock &BB, iplist< VPRecipeBase >::iterator IP) |
Insert an unlinked recipe into BB immediately before the insertion point IP;. More... | |
| void | insertAfter (VPRecipeBase *InsertPos) |
| Insert an unlinked Recipe into a basic block immediately after the specified Recipe. More... | |
| void | moveAfter (VPRecipeBase *MovePos) |
| Unlink this recipe from its current VPBasicBlock and insert it into the VPBasicBlock that MovePos lives in, right after MovePos. More... | |
| void | moveBefore (VPBasicBlock &BB, iplist< VPRecipeBase >::iterator I) |
| Unlink this recipe and insert into BB before I. More... | |
| void | removeFromParent () |
| This method unlinks 'this' from the containing basic block, but does not delete it. More... | |
| iplist< VPRecipeBase >::iterator | eraseFromParent () |
| This method unlinks 'this' from the containing basic block and deletes it. More... | |
| Instruction * | getUnderlyingInstr () |
| Returns the underlying instruction, if the recipe is a VPValue or nullptr otherwise. More... | |
| const Instruction * | getUnderlyingInstr () const |
| bool | mayHaveSideEffects () const |
| Returns true if the recipe may have side-effects. More... | |
| bool | isPhi () const |
| Returns true for PHI-like recipes. More... | |
| bool | mayReadFromMemory () const |
| Returns true if the recipe may read from memory. More... | |
| bool | mayWriteToMemory () const |
| Returns true if the recipe may write to memory. More... | |
| bool | mayReadOrWriteMemory () const |
| Returns true if the recipe may read from or write to memory. More... | |
| Public Member Functions inherited from llvm::ilist_node_with_parent< VPRecipeBase, VPBasicBlock > | |
| VPRecipeBase * | getPrevNode () |
| const VPRecipeBase * | getPrevNode () const |
Get the previous node, or nullptr for the list head. More... | |
| VPRecipeBase * | getNextNode () |
Get the next node, or nullptr for the list tail. More... | |
| const VPRecipeBase * | getNextNode () const |
Get the next node, or nullptr for the list tail. More... | |
| Public Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type > | |
| self_iterator | getIterator () |
| const_self_iterator | getIterator () const |
| reverse_self_iterator | getReverseIterator () |
| const_reverse_self_iterator | getReverseIterator () const |
| bool | isSentinel () const |
| Check whether this is the sentinel node. More... | |
| Public Member Functions inherited from llvm::VPDef | |
| VPDef (const unsigned char SC) | |
| virtual | ~VPDef () |
| VPValue * | getVPSingleValue () |
| Returns the only VPValue defined by the VPDef. More... | |
| const VPValue * | getVPSingleValue () const |
| VPValue * | getVPValue (unsigned I) |
Returns the VPValue with index I defined by the VPDef. More... | |
| const VPValue * | getVPValue (unsigned I) const |
| ArrayRef< VPValue * > | definedValues () |
| Returns an ArrayRef of the values defined by the VPDef. More... | |
| ArrayRef< VPValue * > | definedValues () const |
| Returns an ArrayRef of the values defined by the VPDef. More... | |
| unsigned | getNumDefinedValues () const |
| Returns the number of values defined by the VPDef. More... | |
| unsigned | getVPDefID () const |
| void | dump () const |
| Dump the VPDef to stderr (for debugging). More... | |
| Public Member Functions inherited from llvm::VPUser | |
| VPUser ()=delete | |
| VPUser (const VPUser &)=delete | |
| VPUser & | operator= (const VPUser &)=delete |
| virtual | ~VPUser () |
| VPUserID | getVPUserID () const |
| void | addOperand (VPValue *Operand) |
| unsigned | getNumOperands () const |
| VPValue * | getOperand (unsigned N) const |
| void | setOperand (unsigned I, VPValue *New) |
| void | removeLastOperand () |
| operand_iterator | op_begin () |
| const_operand_iterator | op_begin () const |
| operand_iterator | op_end () |
| const_operand_iterator | op_end () const |
| operand_range | operands () |
| const_operand_range | operands () const |
| virtual bool | usesScalars (const VPValue *Op) const |
Returns true if the VPUser uses scalars of operand Op. More... | |
| virtual bool | onlyFirstLaneUsed (const VPValue *Op) const |
Returns true if the VPUser only uses the first lane of operand Op. More... | |
| Public Member Functions inherited from llvm::VPValue | |
| Value * | getUnderlyingValue () |
| Return the underlying Value attached to this VPValue. More... | |
| const Value * | getUnderlyingValue () const |
| VPValue (Value *UV=nullptr, VPDef *Def=nullptr) | |
| VPValue (const VPValue &)=delete | |
| VPValue & | operator= (const VPValue &)=delete |
| virtual | ~VPValue () |
| unsigned | getVPValueID () const |
| void | printAsOperand (raw_ostream &OS, VPSlotTracker &Tracker) const |
| void | print (raw_ostream &OS, VPSlotTracker &Tracker) const |
| void | dump () const |
| Dump the value to stderr (for debugging). More... | |
| unsigned | getNumUsers () const |
| void | addUser (VPUser &User) |
| void | removeUser (VPUser &User) |
Remove a single User from the list of users. More... | |
| user_iterator | user_begin () |
| const_user_iterator | user_begin () const |
| user_iterator | user_end () |
| const_user_iterator | user_end () const |
| user_range | users () |
| const_user_range | users () const |
| bool | hasMoreThanOneUniqueUser () |
| Returns true if the value has more than one unique user. More... | |
| void | replaceAllUsesWith (VPValue *New) |
| VPDef * | getDef () |
| const VPDef * | getDef () const |
| Value * | getLiveInIRValue () |
| Returns the underlying IR value, if this VPValue is defined outside the scope of VPlan. More... | |
| const Value * | getLiveInIRValue () const |
Static Public Member Functions | |
| static bool | classof (const VPRecipeBase *B) |
| Method to support type inquiry through isa, cast, and dyn_cast. More... | |
| static bool | classof (const VPValue *V) |
| Static Public Member Functions inherited from llvm::VPRecipeBase | |
| static bool | classof (const VPDef *D) |
| Method to support type inquiry through isa, cast, and dyn_cast. More... | |
| static bool | classof (const VPUser *U) |
| Static Public Member Functions inherited from llvm::VPUser | |
| static bool | classof (const VPDef *Recipe) |
| Method to support type inquiry through isa, cast, and dyn_cast. More... | |
Protected Member Functions | |
| VPHeaderPHIRecipe (unsigned char VPVID, unsigned char VPDefID, PHINode *Phi, VPValue *Start=nullptr) | |
| Protected Member Functions inherited from llvm::ilist_node_with_parent< VPRecipeBase, VPBasicBlock > | |
| ilist_node_with_parent ()=default | |
| Protected Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type > | |
| ilist_node_impl ()=default | |
| Protected Member Functions inherited from llvm::VPUser | |
| void | printOperands (raw_ostream &O, VPSlotTracker &SlotTracker) const |
Print the operands to O. More... | |
| VPUser (ArrayRef< VPValue * > Operands, VPUserID ID) | |
| VPUser (std::initializer_list< VPValue * > Operands, VPUserID ID) | |
| template<typename IterT > | |
| VPUser (iterator_range< IterT > Operands, VPUserID ID) | |
| Protected Member Functions inherited from llvm::VPValue | |
| VPValue (const unsigned char SC, Value *UV=nullptr, VPDef *Def=nullptr) | |
| void | setUnderlyingValue (Value *Val) |
Detailed Description
A pure virtual base class for all recipes modeling header phis, including phis for first order recurrences, pointer inductions and reductions.
The start value is the first operand of the recipe and the incoming value from the backedge is the second operand.
Constructor & Destructor Documentation
◆ VPHeaderPHIRecipe()
◆ ~VPHeaderPHIRecipe()
|
overridedefault |
Member Function Documentation
◆ classof() [1/2]
|
inlinestatic |
◆ classof() [2/2]
Definition at line 1175 of file VPlan.h.
References llvm::VPValue::getVPValueID(), llvm::VPValue::VPVCanonicalIVPHISC, llvm::VPValue::VPVFirstOrderRecurrencePHISC, llvm::VPValue::VPVReductionPHISC, llvm::VPValue::VPVWidenIntOrFpInductionSC, and llvm::VPValue::VPVWidenPHISC.
◆ execute()
|
overridepure virtual |
Generate the phi nodes.
Implements llvm::VPRecipeBase.
Implemented in llvm::VPCanonicalIVPHIRecipe, llvm::VPReductionPHIRecipe, llvm::VPFirstOrderRecurrencePHIRecipe, llvm::VPWidenPHIRecipe, and llvm::VPWidenPointerInductionRecipe.
◆ getBackedgeRecipe()
|
inline |
Returns the backedge value as a recipe.
The backedge value is guaranteed to be a recipe.
Definition at line 1207 of file VPlan.h.
References getBackedgeValue(), and llvm::VPValue::getDef().
◆ getBackedgeValue()
|
inline |
Returns the incoming value from the loop backedge.
Definition at line 1201 of file VPlan.h.
References llvm::VPUser::getOperand().
Referenced by llvm::InnerLoopVectorizer::fixFirstOrderRecurrence(), llvm::InnerLoopVectorizer::fixReduction(), and getBackedgeRecipe().
◆ getStartValue() [1/2]
|
inline |
Returns the start value of the phi, if one is set.
Definition at line 1193 of file VPlan.h.
References llvm::VPUser::getNumOperands(), and llvm::VPUser::getOperand().
Referenced by llvm::InnerLoopVectorizer::fixFirstOrderRecurrence(), and llvm::InnerLoopVectorizer::fixReduction().
◆ getStartValue() [2/2]
|
inline |
Definition at line 1196 of file VPlan.h.
References llvm::VPUser::getNumOperands(), and llvm::VPUser::getOperand().
◆ print()
|
overridepure virtual |
Print the recipe.
Implements llvm::VPDef.
Implemented in llvm::VPCanonicalIVPHIRecipe, llvm::VPReductionPHIRecipe, llvm::VPFirstOrderRecurrencePHIRecipe, llvm::VPWidenPHIRecipe, and llvm::VPWidenPointerInductionRecipe.
The documentation for this class was generated from the following file:
- lib/Transforms/Vectorize/VPlan.h
