LLVM: llvm::VPWidenLoadRecipe Struct Reference (original) (raw)

A recipe for widening load operations, using the address to load from and an optional mask. More...

#include "[Transforms/Vectorize/VPlan.h](VPlan%5F8h%5Fsource.html)"

Public Member Functions
VPWidenLoadRecipe (LoadInst &Load, VPValue *Addr, VPValue *Mask, bool Consecutive, bool Reverse, const VPIRMetadata &Metadata, DebugLoc DL)
VPWidenLoadRecipe * clone () override
Clone the current recipe.
VP_CLASSOF_IMPL (VPDef::VPWidenLoadSC)
void execute (VPTransformState &State) override
Generate a wide load or gather.
bool usesFirstLaneOnly (const VPValue *Op) const override
Returns true if the recipe only uses the first lane of operand Op.
Public Member Functions inherited from llvm::VPWidenMemoryRecipe
VPWidenMemoryRecipe * clone () override
Clone the current recipe.
bool isConsecutive () const
Return whether the loaded-from / stored-to addresses are consecutive.
bool isReverse () const
Return whether the consecutive loaded/stored addresses are in reverse order.
VPValue * getAddr () const
Return the address accessed by this recipe.
bool isMasked () const
Returns true if the recipe is masked.
VPValue * getMask () const
Return the mask used by this recipe.
Align getAlign () const
Returns the alignment of the memory access.
void execute (VPTransformState &State) override
Generate the wide load/store.
InstructionCost computeCost (ElementCount VF, VPCostContext &Ctx) const override
Return the cost of this VPWidenMemoryRecipe.
Instruction & getIngredient () const
Public Member Functions inherited from llvm::VPRecipeBase
VPRecipeBase (const unsigned char SC, ArrayRef< VPValue * > Operands, DebugLoc DL=DebugLoc::getUnknown())
~VPRecipeBase () override=default
VPBasicBlock * getParent ()
const VPBasicBlock * getParent () const
VPRegionBlock * getRegion ()
const VPRegionBlock * getRegion () 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.
void print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const override final
Print the recipe, delegating to printRecipe().
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
LLVM_ABI_FOR_TEST 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 usesFirstPartOnly (const VPValue *Op) const
Returns true if the VPUser only uses the first part of operand Op.
Public Member Functions inherited from llvm::VPIRMetadata
VPIRMetadata ()=default
VPIRMetadata (Instruction &I)
Adds metatadata that can be preserved from the original instruction I.
VPIRMetadata (const VPIRMetadata &Other)=default
Copy constructor for cloning.
VPIRMetadata & operator= (const VPIRMetadata &Other)=default
void applyMetadata (Instruction &I) const
Add all metadata to I.
void setMetadata (unsigned Kind, MDNode *Node)
Set metadata with kind Kind to Node.
void intersect (const VPIRMetadata &MD)
Intersect this VPIRMetadata object with MD, keeping only metadata nodes that are common to both.
MDNode * getMetadata (unsigned Kind) const
Get metadata of kind Kind. Returns nullptr if not found.
void print (raw_ostream &O, VPSlotTracker &SlotTracker) const
Print metadata with node IDs.
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.
bool hasOneUse () const
VPUser * getSingleUser ()
Return the single user of this value, or nullptr if there is not exactly one user.
const VPUser * getSingleUser () const
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)
Protected Member Functions
void printRecipe (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const override
Print the recipe.
Protected Member Functions inherited from llvm::VPWidenMemoryRecipe
void setMask (VPValue *Mask)
VPWidenMemoryRecipe (const char unsigned SC, Instruction &I, std::initializer_list< VPValue * > Operands, bool Consecutive, bool Reverse, const VPIRMetadata &Metadata, DebugLoc DL)
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.
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
Static Public Member Functions inherited from llvm::VPWidenMemoryRecipe
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 Attributes inherited from llvm::VPWidenMemoryRecipe
Instruction & Ingredient
Align Alignment
Alignment information for this memory access.
bool Consecutive
Whether the accessed addresses are consecutive.
bool Reverse
Whether the consecutive accessed addresses are in reverse order.
bool IsMasked = false
Whether the memory access is masked.
Protected Attributes inherited from llvm::VPValue
Value * UnderlyingVal
Hold the underlying Value, if any, attached to this VPValue.
VPDef * Def
Pointer to the VPDef that defines this VPValue.

A recipe for widening load operations, using the address to load from and an optional mask.

Definition at line 3336 of file VPlan.h.

clone()

execute()

Generate a wide load or gather.

Implements llvm::VPRecipeBase.

Definition at line 3530 of file VPlanRecipes.cpp.

References llvm::VPWidenMemoryRecipe::Alignment, llvm::VPIRMetadata::applyMetadata(), llvm::cast(), llvm::PoisonValue::get(), llvm::VectorType::get(), llvm::VPWidenMemoryRecipe::getAddr(), llvm::getLoadStoreType(), llvm::VPWidenMemoryRecipe::getMask(), llvm::VPWidenMemoryRecipe::Ingredient, llvm::VPWidenMemoryRecipe::isConsecutive(), llvm::VPWidenMemoryRecipe::isReverse(), and llvm::VPWidenMemoryRecipe::Reverse.

Referenced by VP_CLASSOF_IMPL().

printRecipe()

usesFirstLaneOnly()

bool llvm::VPWidenLoadRecipe::usesFirstLaneOnly ( const VPValue * Op) const inlineoverridevirtual

VP_CLASSOF_IMPL()

llvm::VPWidenLoadRecipe::VP_CLASSOF_IMPL ( VPDef::VPWidenLoadSC )

The documentation for this struct was generated from the following files: