A recipe for handling phi nodes of integer and floating-point inductions, producing their vector values. More...
#include "Transforms/Vectorize/VPlan.h"
Inheritance diagram for llvm::VPWidenIntOrFpInductionRecipe:
Public Member Functions | |
| VPWidenIntOrFpInductionRecipe (PHINode *IV, VPValue *Start, VPValue *Step, VPValue *VF, const InductionDescriptor &IndDesc, DebugLoc DL) | |
| VPWidenIntOrFpInductionRecipe (PHINode *IV, VPValue *Start, VPValue *Step, VPValue *VF, const InductionDescriptor &IndDesc, TruncInst *Trunc, DebugLoc DL) | |
| ~VPWidenIntOrFpInductionRecipe () override=default | |
| VPWidenIntOrFpInductionRecipe * | clone () override |
| Clone the current recipe. | |
| void | execute (VPTransformState &State) override |
| Generate the vectorized and scalarized versions of the phi node as needed by their users. | |
| void | print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const override |
| Print the recipe. | |
| VPValue * | getVFValue () |
| const VPValue * | getVFValue () const |
| VPValue * | getSplatVFValue () |
| TruncInst * | getTruncInst () |
| Returns the first defined value as TruncInst, if it is one or nullptr otherwise. | |
| const TruncInst * | getTruncInst () const |
| bool | isCanonical () const |
| Returns true if the induction is canonical, i.e. | |
| Type * | getScalarType () const |
| Returns the scalar type of the induction. | |
| VPValue * | getLastUnrolledPartOperand () |
| Returns the VPValue representing the value of this induction at the last unrolled part, if it exists. | |
 Public Member Functions inherited from llvm::VPWidenInductionRecipe | |
| VPWidenInductionRecipe (unsigned char Kind, PHINode *IV, VPValue *Start, VPValue *Step, const InductionDescriptor &IndDesc, DebugLoc DL) | |
| virtual void | execute (VPTransformState &State) override=0 |
| Generate the phi nodes. | |
| VPValue * | getStepValue () |
| Returns the step value of the induction. | |
| const VPValue * | getStepValue () const |
| PHINode * | getPHINode () const |
| const InductionDescriptor & | getInductionDescriptor () const |
| Returns the induction descriptor for the recipe. | |
| VPValue * | getBackedgeValue () override |
| Returns the incoming value from the loop backedge. | |
| VPRecipeBase & | getBackedgeRecipe () override |
| Returns the backedge value as a recipe. | |
| Public Member Functions inherited from llvm::VPHeaderPHIRecipe | |
| ~VPHeaderPHIRecipe () override=default | |
| void | execute (VPTransformState &State) override=0 |
| Generate the phi nodes. | |
| InstructionCost | computeCost (ElementCount VF, VPCostContext &Ctx) const override |
| Return the cost of this header phi recipe. | |
| 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 |
| LLVM_DUMP_METHOD void | dump () const |
| Print this VPSingleDefRecipe to dbgs() (for debugging). | |
| 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 () |
| 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 () const |
| 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 | isDefinedOutsideLoopRegions () const |
| Returns true if the VPValue is defined outside any loop region. | |
| void | setUnderlyingValue (Value *Val) |
Additional Inherited Members | |
| Public Types inherited from llvm::VPDef | |
| using | VPRecipeTy = enum { VPBranchOnMaskSC, VPDerivedIVSC, VPExpandSCEVSC, VPIRInstructionSC, VPInstructionSC, VPInterleaveSC, VPReductionEVLSC, VPReductionSC, VPReplicateSC, VPScalarCastSC, VPScalarIVStepsSC, VPVectorPointerSC, VPReverseVectorPointerSC, VPWidenCallSC, VPWidenCanonicalIVSC, VPWidenCastSC, VPWidenGEPSC, VPWidenIntrinsicSC, VPWidenLoadEVLSC, VPWidenLoadSC, VPWidenStoreEVLSC, VPWidenStoreSC, VPWidenSC, VPWidenEVLSC, VPWidenSelectSC, VPBlendSC, VPHistogramSC, VPWidenPHISC, VPPredInstPHISC, VPCanonicalIVPHISC, VPActiveLaneMaskPHISC, VPEVLBasedIVPHISC, VPFirstOrderRecurrencePHISC, VPWidenIntOrFpInductionSC, VPWidenPointerInductionSC, VPScalarPHISC, 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 | |
| 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 |
| Static Public Member Functions inherited from llvm::VPWidenInductionRecipe | |
| static bool | classof (const VPRecipeBase *R) |
| 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) |
| 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={}) | |
| 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) | |
| VPUser (std::initializer_list< VPValue * > Operands) | |
| template<typename IterT > | |
| VPUser (iterator_range< IterT > Operands) | |
| 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 handling phi nodes of integer and floating-point inductions, producing their vector values.
Constructor & Destructor Documentation
◆ VPWidenIntOrFpInductionRecipe() [1/2]
|
inline |
Definition at line 2133 of file VPlan.h.
References addOperand().
◆ VPWidenIntOrFpInductionRecipe() [2/2]
|
inline |
Definition at line 2142 of file VPlan.h.
References addOperand().
◆ ~VPWidenIntOrFpInductionRecipe()
|
overridedefault |
Member Function Documentation
◆ clone()
|
inlineoverridevirtual |
Clone the current recipe.
Implements llvm::VPSingleDefRecipe.
Definition at line 2153 of file VPlan.h.
References llvm::VPRecipeBase::getDebugLoc(), llvm::VPWidenInductionRecipe::getInductionDescriptor(), llvm::VPWidenInductionRecipe::getPHINode(), llvm::VPHeaderPHIRecipe::getStartValue(), llvm::VPWidenInductionRecipe::getStepValue(), and getVFValue().
◆ execute()
|
overridevirtual |
Generate the vectorized and scalarized versions of the phi node as needed by their users.
Implements llvm::VPWidenInductionRecipe.
Definition at line 1652 of file VPlanRecipes.cpp.
References llvm::PHINode::addIncoming(), llvm::VPTransformState::addMetadata(), assert(), llvm::VPTransformState::Builder, llvm::VPTransformState::CFG, llvm::PHINode::Create(), llvm::IRBuilderBase::CreateBinOp(), llvm::IRBuilderBase::CreateCast(), llvm::IRBuilderBase::CreateTrunc(), llvm::IRBuilderBase::CreateUIToFP(), llvm::IRBuilderBase::CreateVectorSplat(), llvm::IRBuilderBase::CreateZExtOrTrunc(), llvm::VPTransformState::get(), llvm::VPRecipeBase::getDebugLoc(), llvm::BasicBlock::getFirstInsertionPt(), llvm::VPWidenInductionRecipe::getInductionDescriptor(), llvm::VPValue::getLiveInIRValue(), llvm::VPWidenInductionRecipe::getPHINode(), llvm::VPTransformState::CFGState::getPreheaderBBFor(), getSplatVFValue(), llvm::VPHeaderPHIRecipe::getStartValue(), llvm::VPWidenInductionRecipe::getStepValue(), getStepVector(), llvm::BasicBlock::getTerminator(), getTruncInst(), llvm::Value::getType(), getType(), getVFValue(), llvm::Instruction::insertBefore(), llvm::Type::isFloatingPointTy(), llvm::Type::isIntegerTy(), llvm::ElementCount::isVector(), llvm::VPTransformState::Lane, llvm::Mul, llvm::VPTransformState::CFGState::PrevBB, llvm::IRBuilderBase::restoreIP(), llvm::IRBuilderBase::saveIP(), llvm::VPTransformState::set(), llvm::Instruction::setDebugLoc(), llvm::IRBuilderBase::setFastMathFlags(), llvm::IRBuilderBase::SetInsertPoint(), and llvm::VPTransformState::VF.
◆ getLastUnrolledPartOperand()
|
inline |
Returns the VPValue representing the value of this induction at the last unrolled part, if it exists.
Returns itself if unrolling did not take place.
Definition at line 2198 of file VPlan.h.
References llvm::VPUser::getNumOperands(), and llvm::VPUser::getOperand().
◆ getScalarType()
|
inline |
Returns the scalar type of the induction.
Definition at line 2191 of file VPlan.h.
References llvm::VPWidenInductionRecipe::getPHINode(), and llvm::Value::getType().
Referenced by isCanonical().
◆ getSplatVFValue()
|
inline |
Definition at line 2174 of file VPlan.h.
References llvm::VPUser::getNumOperands(), and llvm::VPUser::getOperand().
Referenced by execute().
◆ getTruncInst() [1/2]
|
inline |
◆ getTruncInst() [2/2]
◆ getVFValue() [1/2]
|
inline |
Definition at line 2171 of file VPlan.h.
References llvm::VPUser::getOperand().
◆ getVFValue() [2/2]
Definition at line 2172 of file VPlan.h.
References llvm::VPUser::getOperand().
◆ isCanonical()
| bool VPWidenIntOrFpInductionRecipe::isCanonical | ( | ) | const |
Returns true if the induction is canonical, i.e.
starting at 0 and incremented by UF * VF (= the original IV is incremented by 1) and has the same type as the canonical induction.
Definition at line 1763 of file VPlanRecipes.cpp.
References llvm::VPValue::getDefiningRecipe(), llvm::VPValue::getLiveInIRValue(), llvm::VPRecipeBase::getParent(), llvm::Type::getScalarType(), getScalarType(), llvm::VPHeaderPHIRecipe::getStartValue(), and llvm::VPWidenInductionRecipe::getStepValue().
◆ print()
|
overridevirtual |
Print the recipe.
Implements llvm::VPHeaderPHIRecipe.
Definition at line 1751 of file VPlanRecipes.cpp.
References getTruncInst(), 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
