A recipe for generating the phi node for the current index of elements, adjusted in accordance with EVL value. More...
#include "Transforms/Vectorize/VPlan.h"
Inheritance diagram for llvm::VPEVLBasedIVPHIRecipe:
Public Member Functions | |
| VPEVLBasedIVPHIRecipe (VPValue *StartIV, DebugLoc DL) | |
| ~VPEVLBasedIVPHIRecipe () override=default | |
| VPEVLBasedIVPHIRecipe * | clone () override |
| Clone the current recipe. | |
| void | execute (VPTransformState &State) override |
| Generate phi for handling IV based on EVL over iterations correctly. | |
| bool | onlyFirstLaneUsed (const VPValue *Op) const override |
Returns true if the recipe only uses the first lane of operand Op. | |
| void | print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const override |
| Print the recipe. | |
 Public Member Functions inherited from llvm::VPHeaderPHIRecipe | |
| ~VPHeaderPHIRecipe () override=default | |
| void | execute (VPTransformState &State) override=0 |
| Generate the phi nodes. | |
| void | print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const override=0 |
| Print the recipe. | |
| VPValue * | getStartValue () |
| Returns the start value of the phi, if one is set. | |
| VPValue * | getStartValue () const |
| void | setStartValue (VPValue *V) |
| Update the start value of the recipe. | |
| virtual VPValue * | getBackedgeValue () |
| Returns the incoming value from the loop backedge. | |
| virtual VPRecipeBase & | getBackedgeRecipe () |
| Returns the backedge value as a recipe. | |
| Public Member Functions inherited from llvm::VPSingleDefRecipe | |
| template<typename IterT > | |
| VPSingleDefRecipe (const unsigned char SC, IterT Operands, DebugLoc DL={}) | |
| VPSingleDefRecipe (const unsigned char SC, ArrayRef< VPValue * > Operands, DebugLoc DL={}) | |
| template<typename IterT > | |
| VPSingleDefRecipe (const unsigned char SC, IterT Operands, Value *UV, DebugLoc DL={}) | |
| virtual VPSingleDefRecipe * | clone () override=0 |
| Clone the current recipe. | |
| Instruction * | getUnderlyingInstr () |
| Returns the underlying instruction. | |
| const Instruction * | getUnderlyingInstr () const |
| Public Member Functions inherited from llvm::VPRecipeBase | |
| VPRecipeBase (const unsigned char SC, ArrayRef< VPValue * > Operands, DebugLoc DL={}) | |
| template<typename IterT > | |
| VPRecipeBase (const unsigned char SC, iterator_range< IterT > Operands, DebugLoc DL={}) | |
| virtual | ~VPRecipeBase ()=default |
| virtual VPRecipeBase * | clone ()=0 |
| Clone the current recipe. | |
| VPBasicBlock * | getParent () |
| const VPBasicBlock * | getParent () const |
| virtual void | execute (VPTransformState &State)=0 |
| The method which generates the output IR instructions that correspond to this VPRecipe, thereby "executing" the VPlan. | |
| InstructionCost | cost (ElementCount VF, VPCostContext &Ctx) |
| Return the cost of this recipe, taking into account if the cost computation should be skipped and the ForceTargetInstructionCost flag. | |
| void | insertBefore (VPRecipeBase *InsertPos) |
| Insert an unlinked recipe into a basic block immediately before the specified recipe. | |
| void | insertBefore (VPBasicBlock &BB, iplist< VPRecipeBase >::iterator IP) |
Insert an unlinked recipe into BB immediately before the insertion point IP;. | |
| void | insertAfter (VPRecipeBase *InsertPos) |
| Insert an unlinked Recipe into a basic block immediately after the specified Recipe. | |
| void | moveAfter (VPRecipeBase *MovePos) |
| Unlink this recipe from its current VPBasicBlock and insert it into the VPBasicBlock that MovePos lives in, right after MovePos. | |
| void | moveBefore (VPBasicBlock &BB, iplist< VPRecipeBase >::iterator I) |
| Unlink this recipe and insert into BB before I. | |
| void | removeFromParent () |
| This method unlinks 'this' from the containing basic block, but does not delete it. | |
| iplist< VPRecipeBase >::iterator | eraseFromParent () |
| This method unlinks 'this' from the containing basic block and deletes it. | |
| bool | mayHaveSideEffects () const |
| Returns true if the recipe may have side-effects. | |
| bool | isPhi () const |
| Returns true for PHI-like recipes. | |
| bool | mayReadFromMemory () const |
| Returns true if the recipe may read from memory. | |
| bool | mayWriteToMemory () const |
| Returns true if the recipe may write to memory. | |
| bool | mayReadOrWriteMemory () const |
| Returns true if the recipe may read from or write to memory. | |
| DebugLoc | getDebugLoc () const |
| Returns the debug location of the recipe. | |
| 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. | |
| VPRecipeBase * | getNextNode () |
Get the next node, or nullptr for the list tail. | |
| const VPRecipeBase * | getNextNode () const |
Get the next node, or nullptr for the list tail. | |
| Public Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< T, 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. | |
| Public Member Functions inherited from llvm::ilist_detail::node_parent_access< NodeTy, ParentTy > | |
| const ParentTy * | getParent () const |
| ParentTy * | getParent () |
| void | setParent (ParentTy *Parent) |
| Public Member Functions inherited from llvm::VPDef | |
| VPDef (const unsigned char SC) | |
| virtual | ~VPDef () |
| VPValue * | getVPSingleValue () |
| Returns the only VPValue defined by the VPDef. | |
| const VPValue * | getVPSingleValue () const |
| VPValue * | getVPValue (unsigned I) |
Returns the VPValue with index I defined by the VPDef. | |
| const VPValue * | getVPValue (unsigned I) const |
| ArrayRef< VPValue * > | definedValues () |
| Returns an ArrayRef of the values defined by the VPDef. | |
| ArrayRef< VPValue * > | definedValues () const |
| Returns an ArrayRef of the values defined by the VPDef. | |
| unsigned | getNumDefinedValues () const |
| Returns the number of values defined by the VPDef. | |
| unsigned | getVPDefID () const |
| void | dump () const |
| Dump the VPDef to stderr (for debugging). | |
| virtual void | print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const =0 |
| Each concrete VPDef prints itself. | |
| 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) |
| 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. | |
| virtual bool | onlyFirstLaneUsed (const VPValue *Op) const |
Returns true if the VPUser only uses the first lane of operand Op. | |
| virtual bool | onlyFirstPartUsed (const VPValue *Op) const |
Returns true if the VPUser only uses the first part of operand Op. | |
| Public Member Functions inherited from llvm::VPValue | |
| Value * | getUnderlyingValue () const |
| Return the underlying Value attached to this VPValue. | |
| VPValue (Value *UV=nullptr) | |
| Create a live-in VPValue. | |
| VPValue (VPDef *Def, Value *UV=nullptr) | |
Create a VPValue for a Def which is a subclass of VPValue. | |
| VPValue (Value *UV, VPDef *Def) | |
Create a VPValue for a Def which defines multiple values. | |
| 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). | |
| unsigned | getNumUsers () const |
| void | addUser (VPUser &User) |
| void | removeUser (VPUser &User) |
Remove a single User from the list of users. | |
| 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. | |
| void | replaceAllUsesWith (VPValue *New) |
| void | replaceUsesWithIf (VPValue *New, llvm::function_ref< bool(VPUser &U, unsigned Idx)> ShouldReplace) |
Go through the uses list for this VPValue and make each use point to New if the callback ShouldReplace returns true for the given use specified by a pair of (VPUser, the use index). | |
| VPRecipeBase * | getDefiningRecipe () |
| Returns the recipe defining this VPValue or nullptr if it is not defined by a recipe, i.e. | |
| const VPRecipeBase * | getDefiningRecipe () const |
| bool | hasDefiningRecipe () const |
| Returns true if this VPValue is defined by a recipe. | |
| bool | isLiveIn () const |
| Returns true if this VPValue is a live-in, i.e. defined outside the VPlan. | |
| Value * | getLiveInIRValue () |
| Returns the underlying IR value, if this VPValue is defined outside the scope of VPlan. | |
| const Value * | getLiveInIRValue () const |
| bool | isDefinedOutsideVectorRegions () const |
| Returns true if the VPValue is defined outside any vector regions, i.e. | |
| void | setUnderlyingValue (Value *Val) |
Static Public Member Functions | |
| static bool | classof (const VPHeaderPHIRecipe *D) |
| Static Public Member Functions inherited from llvm::VPHeaderPHIRecipe | |
| static bool | classof (const VPRecipeBase *B) |
| Method to support type inquiry through isa, cast, and dyn_cast. | |
| static bool | classof (const VPValue *V) |
| Static Public Member Functions inherited from llvm::VPSingleDefRecipe | |
| static bool | classof (const VPRecipeBase *R) |
| static bool | classof (const VPUser *U) |
| 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. | |
| static bool | classof (const VPUser *U) |
Additional Inherited Members | |
| Public Types inherited from llvm::VPDef | |
| using | VPRecipeTy = enum { VPBranchOnMaskSC, VPDerivedIVSC, VPExpandSCEVSC, VPInstructionSC, VPInterleaveSC, VPReductionEVLSC, VPReductionSC, VPReplicateSC, VPScalarCastSC, VPScalarIVStepsSC, VPVectorPointerSC, VPWidenCallSC, VPWidenCanonicalIVSC, VPWidenCastSC, VPWidenGEPSC, VPWidenLoadEVLSC, VPWidenLoadSC, VPWidenStoreEVLSC, VPWidenStoreSC, VPWidenSC, VPWidenSelectSC, VPBlendSC, VPWidenPHISC, VPPredInstPHISC, VPCanonicalIVPHISC, VPActiveLaneMaskPHISC, VPEVLBasedIVPHISC, VPFirstOrderRecurrencePHISC, VPWidenIntOrFpInductionSC, VPWidenPointerInductionSC, VPReductionPHISC, VPFirstPHISC=VPWidenPHISC, VPFirstHeaderPHISC=VPCanonicalIVPHISC, VPLastHeaderPHISC=VPReductionPHISC, VPLastPHISC=VPReductionPHISC, } |
| An enumeration for keeping track of the concrete subclass of VPRecipeBase that is actually instantiated. | |
| Public Types inherited from llvm::VPUser | |
| enum class | VPUserID { Recipe , LiveOut } |
| Subclass identifier (for isa/dyn_cast). More... | |
| typedef SmallVectorImpl< VPValue * >::iterator | operand_iterator |
| typedef SmallVectorImpl< VPValue * >::const_iterator | const_operand_iterator |
| typedef iterator_range< operand_iterator > | operand_range |
| typedef iterator_range< const_operand_iterator > | const_operand_range |
| Public Types inherited from llvm::VPValue | |
| enum | { VPValueSC , VPVRecipeSC } |
| An enumeration for keeping track of the concrete subclass of VPValue that are actually instantiated. More... | |
| typedef SmallVectorImpl< VPUser * >::iterator | user_iterator |
| typedef SmallVectorImpl< VPUser * >::const_iterator | const_user_iterator |
| typedef iterator_range< user_iterator > | user_range |
| typedef iterator_range< const_user_iterator > | const_user_range |
| Protected Types inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< T, Options... >::type > | |
| using | self_iterator = typename ilist_select_iterator_type< OptionsT::has_iterator_bits, ilist_detail::compute_node_options< T, Options... >::type, false, false >::type |
| using | const_self_iterator = typename ilist_select_iterator_type< OptionsT::has_iterator_bits, ilist_detail::compute_node_options< T, Options... >::type, false, true >::type |
| using | reverse_self_iterator = typename ilist_select_iterator_type< OptionsT::has_iterator_bits, ilist_detail::compute_node_options< T, Options... >::type, true, false >::type |
| using | const_reverse_self_iterator = typename ilist_select_iterator_type< OptionsT::has_iterator_bits, ilist_detail::compute_node_options< T, Options... >::type, true, true >::type |
| Protected Member Functions inherited from llvm::VPHeaderPHIRecipe | |
| VPHeaderPHIRecipe (unsigned char VPDefID, Instruction *UnderlyingInstr, VPValue *Start=nullptr, DebugLoc DL={}) | |
| Protected Member Functions inherited from llvm::VPRecipeBase | |
| virtual InstructionCost | computeCost (ElementCount VF, VPCostContext &Ctx) const |
| Compute the cost of this recipe either using a recipe's specialized implementation or using the legacy cost model and the underlying instructions. | |
| 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< T, 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. | |
| 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) | |
| Protected Attributes inherited from llvm::VPValue | |
| Value * | UnderlyingVal |
| VPDef * | Def |
| Pointer to the VPDef that defines this VPValue. | |
Detailed Description
A recipe for generating the phi node for the current index of elements, adjusted in accordance with EVL value.
It starts at the start value of the canonical induction and gets incremented by EVL in each iteration of the vector loop.
Constructor & Destructor Documentation
◆ VPEVLBasedIVPHIRecipe()
◆ ~VPEVLBasedIVPHIRecipe()
|
overridedefault |
Member Function Documentation
◆ classof()
|
inlinestatic |
◆ clone()
|
inlineoverridevirtual |
Clone the current recipe.
Implements llvm::VPSingleDefRecipe.
Definition at line 2821 of file VPlan.h.
References llvm_unreachable.
◆ execute()
|
overridevirtual |
Generate phi for handling IV based on EVL over iterations correctly.
TODO: investigate if it can share the code with VPCanonicalIVPHIRecipe.
Implements llvm::VPHeaderPHIRecipe.
Definition at line 2907 of file VPlanRecipes.cpp.
References llvm::PHINode::addIncoming(), assert(), llvm::VPTransformState::Builder, llvm::VPTransformState::CFG, llvm::IRBuilderBase::CreatePHI(), llvm::VPTransformState::get(), llvm::VPRecipeBase::getDebugLoc(), llvm::VPUser::getOperand(), llvm::VPTransformState::CFGState::getPreheaderBBFor(), llvm::VPTransformState::set(), llvm::Instruction::setDebugLoc(), and llvm::VPTransformState::UF.
◆ onlyFirstLaneUsed()
|
inlineoverridevirtual |
Returns true if the recipe only uses the first lane of operand Op.
Reimplemented from llvm::VPUser.
Definition at line 2836 of file VPlan.h.
References assert(), llvm::is_contained(), and llvm::VPUser::operands().
◆ print()
|
overridevirtual |
Print the recipe.
Implements llvm::VPHeaderPHIRecipe.
Definition at line 2919 of file VPlanRecipes.cpp.
References llvm::VPValue::printAsOperand(), and llvm::VPUser::printOperands().
The documentation for this class was generated from the following files:
- lib/Transforms/Vectorize/VPlan.h
- lib/Transforms/Vectorize/VPlanRecipes.cpp
