LLVM 22.0.0git
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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. | |
Public Member Functions inherited from llvm::VPHeaderPHIRecipe | |
~VPHeaderPHIRecipe () override=default | |
InstructionCost | computeCost (ElementCount VF, VPCostContext &Ctx) const override |
Return the cost of this header phi 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. | |
void | setBackedgeValue (VPValue *V) |
Update the incoming value from the loop backedge. | |
virtual VPRecipeBase & | getBackedgeRecipe () |
Returns the backedge value as a recipe. | |
Public Member Functions inherited from llvm::VPSingleDefRecipe | |
VPSingleDefRecipe (const unsigned char SC, ArrayRef< VPValue * > Operands, DebugLoc DL=DebugLoc::getUnknown()) | |
VPSingleDefRecipe (const unsigned char SC, ArrayRef< VPValue * > Operands, Value *UV, DebugLoc DL=DebugLoc::getUnknown()) | |
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=DebugLoc::getUnknown()) | |
virtual | ~VPRecipeBase ()=default |
VPBasicBlock * | getParent () |
const VPBasicBlock * | getParent () const |
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. | |
bool | isScalarCast () const |
Return true if the recipe is a scalar cast. | |
void | setDebugLoc (DebugLoc NewDL) |
Set the recipe's debug location to NewDL . | |
Public Member Functions inherited from llvm::ilist_node_with_parent< VPRecipeBase, VPBasicBlock > | |
VPRecipeBase * | getPrevNode () |
VPRecipeBase * | getNextNode () |
Get the next node, or nullptr for the list tail. | |
Public Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type > | |
self_iterator | getIterator () |
reverse_self_iterator | getReverseIterator () |
std::enable_if_t< T::is_sentinel_tracking_explicit, bool > | isSentinel () const |
Check whether this is the sentinel node. | |
Public Member Functions inherited from llvm::ilist_detail::node_parent_access< ilist_node_impl< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type >, ilist_detail::compute_node_options< VPRecipeBase, Options... >::type::parent_ty > | |
const ilist_detail::compute_node_options< VPRecipeBase, Options... >::type::parent_ty * | getParent () const |
void | setParent (ilist_detail::compute_node_options< VPRecipeBase, Options... >::type::parent_ty *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). | |
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) |
void | swapOperands () |
Swap operands of the VPUser. It must have exactly 2 operands. | |
void | replaceUsesOfWith (VPValue *From, VPValue *To) |
Replaces all uses of From in the VPUser with To . | |
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 (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 () const |
Returns the underlying IR value, if this VPValue is defined outside the scope of VPlan. | |
bool | isDefinedOutsideLoopRegions () const |
Returns true if the VPValue is defined outside any loop. | |
void | setUnderlyingValue (Value *Val) |
Public Member Functions inherited from llvm::VPPhiAccessors | |
virtual | ~VPPhiAccessors ()=default |
VPValue * | getIncomingValue (unsigned Idx) const |
Returns the incoming VPValue with index Idx . | |
const VPBasicBlock * | getIncomingBlock (unsigned Idx) const |
Returns the incoming block with index Idx . | |
virtual unsigned | getNumIncoming () const |
Returns the number of incoming values, also number of incoming blocks. | |
VPUser::const_operand_range | incoming_values () const |
Returns an interator range over the incoming values. | |
const_incoming_blocks_range | incoming_blocks () const |
Returns an iterator range over the incoming blocks. | |
detail::zippy< llvm::detail::zip_first, VPUser::const_operand_range, const_incoming_blocks_range > | incoming_values_and_blocks () const |
Returns an iterator range over pairs of incoming values and corresponding incoming blocks. | |
void | removeIncomingValueFor (VPBlockBase *IncomingBlock) const |
Removes the incoming value for IncomingBlock , which must be a predecessor. | |
void | printPhiOperands (raw_ostream &O, VPSlotTracker &SlotTracker) const |
Print the recipe. |
Additional Inherited Members | |
Public Types inherited from llvm::VPDef | |
using | VPRecipeTy |
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 |
Public Types inherited from llvm::VPPhiAccessors | |
using | const_incoming_blocks_range |
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< VPRecipeBase, Options... >::type > | |
using | self_iterator |
using | const_self_iterator |
using | reverse_self_iterator |
using | const_reverse_self_iterator |
Protected Member Functions inherited from llvm::VPHeaderPHIRecipe | |
VPHeaderPHIRecipe (unsigned char VPDefID, Instruction *UnderlyingInstr, VPValue *Start, DebugLoc DL=DebugLoc::getUnknown()) | |
const VPRecipeBase * | getAsRecipe () const override |
Return a VPRecipeBase* to the current object. | |
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 . | |
VPUser (ArrayRef< VPValue * > Operands) | |
Protected Member Functions inherited from llvm::VPValue | |
VPValue (const unsigned char SC, Value *UV=nullptr, VPDef *Def=nullptr) | |
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. | |
Protected Attributes inherited from llvm::VPValue | |
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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inline |
Definition at line 3469 of file VPlan.h.
References llvm::VPHeaderPHIRecipe::VPHeaderPHIRecipe().
Referenced by clone().
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overridedefault |
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inlineoverridevirtual |
Clone the current recipe.
Implements llvm::VPSingleDefRecipe.
Definition at line 3475 of file VPlan.h.
References llvm::VPRecipeBase::getDebugLoc(), llvm::VPUser::getNumOperands(), llvm::VPUser::getOperand(), and VPActiveLaneMaskPHIRecipe().
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overridevirtual |
Generate the active lane mask phi of the vector loop.
Implements llvm::VPHeaderPHIRecipe.
Definition at line 4265 of file VPlanRecipes.cpp.
References llvm::VPUser::getOperand(), llvm::VPRecipeBase::getParent(), and llvm::Value::getType().
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overridevirtual |
Print the recipe.
Implements llvm::VPHeaderPHIRecipe.
Definition at line 4276 of file VPlanRecipes.cpp.
References llvm::VPValue::printAsOperand(), and llvm::VPUser::printOperands().