LLVM
15.0.0git
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A recipe for generating conditional branches on the bits of a mask. More...
#include "Transforms/Vectorize/VPlan.h"
Public Member Functions | |
VPBranchOnMaskRecipe (VPValue *BlockInMask) | |
void | execute (VPTransformState &State) override |
Generate the extraction of the appropriate bit from the block mask and the conditional branch. More... | |
void | print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const override |
Print the recipe. More... | |
VPValue * | getMask () const |
Return the mask used by this recipe. More... | |
bool | usesScalars (const VPValue *Op) const override |
Returns true if the recipe uses scalars of operand Op . More... | |
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VPRecipeBase (const unsigned char SC, ArrayRef< VPValue * > Operands) | |
template<typename IterT > | |
VPRecipeBase (const unsigned char SC, iterator_range< IterT > Operands) | |
virtual | ~VPRecipeBase ()=default |
VPBasicBlock * | getParent () |
const VPBasicBlock * | getParent () const |
void | insertBefore (VPRecipeBase *InsertPos) |
Insert an unlinked recipe into a basic block immediately before the specified recipe. More... | |
void | insertBefore (VPBasicBlock &BB, iplist< VPRecipeBase >::iterator IP) |
Insert an unlinked recipe into BB immediately before the insertion point IP ;. More... | |
void | insertAfter (VPRecipeBase *InsertPos) |
Insert an unlinked Recipe into a basic block immediately after the specified Recipe. More... | |
void | moveAfter (VPRecipeBase *MovePos) |
Unlink this recipe from its current VPBasicBlock and insert it into the VPBasicBlock that MovePos lives in, right after MovePos. More... | |
void | moveBefore (VPBasicBlock &BB, iplist< VPRecipeBase >::iterator I) |
Unlink this recipe and insert into BB before I. More... | |
void | removeFromParent () |
This method unlinks 'this' from the containing basic block, but does not delete it. More... | |
iplist< VPRecipeBase >::iterator | eraseFromParent () |
This method unlinks 'this' from the containing basic block and deletes it. More... | |
Instruction * | getUnderlyingInstr () |
Returns the underlying instruction, if the recipe is a VPValue or nullptr otherwise. More... | |
const Instruction * | getUnderlyingInstr () const |
bool | mayHaveSideEffects () const |
Returns true if the recipe may have side-effects. More... | |
bool | isPhi () const |
Returns true for PHI-like recipes. More... | |
bool | mayReadFromMemory () const |
Returns true if the recipe may read from memory. More... | |
bool | mayWriteToMemory () const |
Returns true if the recipe may write to memory. More... | |
bool | mayReadOrWriteMemory () const |
Returns true if the recipe may read from or write to memory. More... | |
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VPRecipeBase * | getPrevNode () |
const VPRecipeBase * | getPrevNode () const |
Get the previous node, or nullptr for the list head. More... | |
VPRecipeBase * | getNextNode () |
Get the next node, or nullptr for the list tail. More... | |
const VPRecipeBase * | getNextNode () const |
Get the next node, or nullptr for the list tail. More... | |
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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. More... | |
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VPDef (const unsigned char SC) | |
virtual | ~VPDef () |
VPValue * | getVPSingleValue () |
Returns the only VPValue defined by the VPDef. More... | |
const VPValue * | getVPSingleValue () const |
VPValue * | getVPValue (unsigned I) |
Returns the VPValue with index I defined by the VPDef. More... | |
const VPValue * | getVPValue (unsigned I) const |
ArrayRef< VPValue * > | definedValues () |
Returns an ArrayRef of the values defined by the VPDef. More... | |
ArrayRef< VPValue * > | definedValues () const |
Returns an ArrayRef of the values defined by the VPDef. More... | |
unsigned | getNumDefinedValues () const |
Returns the number of values defined by the VPDef. More... | |
unsigned | getVPDefID () const |
void | dump () const |
Dump the VPDef to stderr (for debugging). More... | |
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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) |
void | removeLastOperand () |
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 | onlyFirstLaneUsed (const VPValue *Op) const |
Returns true if the VPUser only uses the first lane of operand Op . More... | |
Static Public Member Functions | |
static bool | classof (const VPDef *D) |
Method to support type inquiry through isa, cast, and dyn_cast. More... | |
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static bool | classof (const VPDef *D) |
Method to support type inquiry through isa, cast, and dyn_cast. More... | |
static bool | classof (const VPUser *U) |
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static bool | classof (const VPDef *Recipe) |
Method to support type inquiry through isa, cast, and dyn_cast. More... | |
Additional Inherited Members | |
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using | VPRecipeTy = enum { VPBranchOnMaskSC, VPExpandSCEVSC, VPInstructionSC, VPInterleaveSC, VPReductionSC, VPReplicateSC, VPScalarIVStepsSC, VPWidenCallSC, VPWidenCanonicalIVSC, VPWidenGEPSC, VPWidenMemoryInstructionSC, VPWidenSC, VPWidenSelectSC, VPBlendSC, VPCanonicalIVPHISC, VPFirstOrderRecurrencePHISC, VPWidenPHISC, VPWidenIntOrFpInductionSC, VPWidenPointerInductionSC, VPPredInstPHISC, VPReductionPHISC, VPFirstPHISC=VPBlendSC, VPLastPHISC=VPReductionPHISC, } |
An enumeration for keeping track of the concrete subclass of VPRecipeBase that is actually instantiated. More... | |
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enum | VPUserID { VPUserID::Recipe, VPUserID::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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using | self_iterator = ilist_iterator< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type, false, false > |
using | const_self_iterator = ilist_iterator< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type, false, true > |
using | reverse_self_iterator = ilist_iterator< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type, true, false > |
using | const_reverse_self_iterator = ilist_iterator< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type, true, true > |
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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 . More... | |
VPUser (ArrayRef< VPValue * > Operands, VPUserID ID) | |
VPUser (std::initializer_list< VPValue * > Operands, VPUserID ID) | |
template<typename IterT > | |
VPUser (iterator_range< IterT > Operands, VPUserID ID) | |
A recipe for generating conditional branches on the bits of a mask.
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inline |
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overridevirtual |
Generate the extraction of the appropriate bit from the block mask and the conditional branch.
Implements llvm::VPRecipeBase.
Definition at line 9820 of file LoopVectorize.cpp.
References assert(), llvm::VPTransformState::Builder, llvm::VPTransformState::CFG, llvm::BranchInst::Create(), llvm::IRBuilderBase::CreateExtractElement(), llvm::VPTransformState::get(), llvm::IRBuilderBase::getInt32(), llvm::BasicBlock::getTerminator(), llvm::IRBuilderBase::getTrue(), llvm::Value::getType(), llvm::VPTransformState::Instance, llvm::Type::isVectorTy(), llvm::VPTransformState::CFGState::PrevBB, and llvm::ReplaceInstWithInst().
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inline |
Return the mask used by this recipe.
Note that a full mask is represented by a nullptr.
Definition at line 1607 of file VPlan.h.
References assert(), llvm::VPUser::getNumOperands(), and llvm::VPUser::getOperand().
Referenced by print().
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inlineoverridevirtual |
Print the recipe.
Implements llvm::VPDef.
Definition at line 1595 of file VPlan.h.
References getMask(), llvm::BitmaskEnumDetail::Mask(), and llvm::RISCVFenceField::O.
Returns true if the recipe uses scalars of operand Op
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Reimplemented from llvm::VPUser.
Definition at line 1614 of file VPlan.h.
References assert(), llvm::is_contained(), and llvm::VPUser::operands().