LLVM 20.0.0git
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A recipe for generating the active lane mask for the vector loop that is used to predicate the vector operations. More...
#include "Transforms/Vectorize/VPlan.h"
Public Member Functions | |
VPActiveLaneMaskPHIRecipe (VPValue *StartMask, DebugLoc DL) | |
~VPActiveLaneMaskPHIRecipe () override=default | |
VPActiveLaneMaskPHIRecipe * | clone () override |
Clone the current recipe. | |
void | execute (VPTransformState &State) override |
Generate the active lane mask phi of the vector loop. | |
void | print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const override |
Print the recipe. | |
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~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. | |
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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 |
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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. | |
virtual 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. | |
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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. | |
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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. | |
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const ParentTy * | getParent () const |
ParentTy * | getParent () |
void | setParent (ParentTy *Parent) |
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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. | |
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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 . | |
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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) |
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static bool | classof (const VPRecipeBase *B) |
Method to support type inquiry through isa, cast, and dyn_cast. | |
static bool | classof (const VPValue *V) |
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static bool | classof (const VPRecipeBase *R) |
static bool | classof (const VPUser *U) |
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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 | |
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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. | |
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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 |
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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 |
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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 |
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VPHeaderPHIRecipe (unsigned char VPDefID, Instruction *UnderlyingInstr, VPValue *Start=nullptr, DebugLoc DL={}) | |
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InstructionCost | computeCost (ElementCount VF, VPCostContext &Ctx) const |
Compute the cost of this recipe using the legacy cost model and the underlying instructions. | |
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ilist_node_with_parent ()=default | |
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ilist_node_impl ()=default | |
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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) | |
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VPValue (const unsigned char SC, Value *UV=nullptr, VPDef *Def=nullptr) | |
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Value * | UnderlyingVal |
VPDef * | Def |
Pointer to the VPDef that defines this VPValue. | |
A recipe for generating the active lane mask for the vector loop that is used to predicate the vector operations.
TODO: It would be good to use the existing VPWidenPHIRecipe instead and remove VPActiveLaneMaskPHIRecipe.
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overridedefault |
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inlinestatic |
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inlineoverridevirtual |
Clone the current recipe.
Implements llvm::VPSingleDefRecipe.
Definition at line 2774 of file VPlan.h.
References llvm::VPRecipeBase::getDebugLoc(), and llvm::VPUser::getOperand().
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overridevirtual |
Generate the active lane mask phi of the vector loop.
Implements llvm::VPHeaderPHIRecipe.
Definition at line 2725 of file VPlanRecipes.cpp.
References llvm::PHINode::addIncoming(), llvm::VPTransformState::Builder, llvm::VPTransformState::CFG, llvm::IRBuilderBase::CreatePHI(), llvm::VPTransformState::get(), llvm::VPRecipeBase::getDebugLoc(), llvm::VPUser::getOperand(), llvm::VPTransformState::CFGState::getPreheaderBBFor(), llvm::Value::getType(), llvm::VPTransformState::set(), llvm::Instruction::setDebugLoc(), and llvm::VPTransformState::UF.
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overridevirtual |
Print the recipe.
Implements llvm::VPHeaderPHIRecipe.
Definition at line 2738 of file VPlanRecipes.cpp.
References llvm::VPValue::printAsOperand(), and llvm::VPUser::printOperands().