|
LLVM
4.0.0
|
Utility class for floating point operations which can have information about relaxed accuracy requirements attached to them. More...
#include <Operator.h>
Public Member Functions | |
| bool | hasUnsafeAlgebra () const |
| Test whether this operation is permitted to be algebraically transformed, aka the 'A' fast-math property. More... | |
| bool | hasNoNaNs () const |
| Test whether this operation's arguments and results are to be treated as non-NaN, aka the 'N' fast-math property. More... | |
| bool | hasNoInfs () const |
| Test whether this operation's arguments and results are to be treated as NoN-Inf, aka the 'I' fast-math property. More... | |
| bool | hasNoSignedZeros () const |
| Test whether this operation can treat the sign of zero as insignificant, aka the 'S' fast-math property. More... | |
| bool | hasAllowReciprocal () const |
| Test whether this operation is permitted to use reciprocal instead of division, aka the 'R' fast-math property. More... | |
| FastMathFlags | getFastMathFlags () const |
| Convenience function for getting all the fast-math flags. More... | |
| float | getFPAccuracy () const |
| Get the maximum error permitted by this operation in ULPs. More... | |
Public Member Functions inherited from llvm::Operator | |
| Operator ()=delete | |
| void * | operator new (size_t, unsigned)=delete |
| void * | operator new (size_t s)=delete |
| unsigned | getOpcode () const |
| Return the opcode for this Instruction or ConstantExpr. More... | |
Public Member Functions inherited from llvm::User | |
| User (const User &)=delete | |
| ~User () override=default | |
| void | operator delete (void *Usr) |
| Free memory allocated for User and Use objects. More... | |
| void | operator delete (void *, unsigned) |
| Placement delete - required by std, but never called. More... | |
| void | operator delete (void *, unsigned, bool) |
| Placement delete - required by std, but never called. More... | |
| Use * | getOperandList () |
| const Use * | getOperandList () const |
| Value * | getOperand (unsigned i) const |
| void | setOperand (unsigned i, Value *Val) |
| const Use & | getOperandUse (unsigned i) const |
| Use & | getOperandUse (unsigned i) |
| unsigned | getNumOperands () const |
| ArrayRef< const uint8_t > | getDescriptor () const |
| Returns the descriptor co-allocated with this User instance. More... | |
| MutableArrayRef< uint8_t > | getDescriptor () |
| Returns the descriptor co-allocated with this User instance. More... | |
| void | setGlobalVariableNumOperands (unsigned NumOps) |
| Set the number of operands on a GlobalVariable. More... | |
| void | setNumHungOffUseOperands (unsigned NumOps) |
| Subclasses with hung off uses need to manage the operand count themselves. More... | |
| op_iterator | op_begin () |
| const_op_iterator | op_begin () const |
| op_iterator | op_end () |
| const_op_iterator | op_end () const |
| op_range | operands () |
| const_op_range | operands () const |
| value_op_iterator | value_op_begin () |
| value_op_iterator | value_op_end () |
| iterator_range< value_op_iterator > | operand_values () |
| const_value_op_iterator | value_op_begin () const |
| const_value_op_iterator | value_op_end () const |
| iterator_range < const_value_op_iterator > | operand_values () const |
| void | dropAllReferences () |
| Drop all references to operands. More... | |
| void | replaceUsesOfWith (Value *From, Value *To) |
| Replace uses of one Value with another. More... | |
Public Member Functions inherited from llvm::Value | |
| Value (const Value &)=delete | |
| void | operator= (const Value &)=delete |
| virtual | ~Value () |
| void | dump () const |
| Support for debugging, callable in GDB: V->dump() More... | |
| Type * | getType () const |
| All values are typed, get the type of this value. More... | |
| LLVMContext & | getContext () const |
| All values hold a context through their type. More... | |
| bool | hasName () const |
| ValueName * | getValueName () const |
| void | setValueName (ValueName *VN) |
| StringRef | getName () const |
| Return a constant reference to the value's name. More... | |
| void | setName (const Twine &Name) |
| Change the name of the value. More... | |
| void | takeName (Value *V) |
| Transfer the name from V to this value. More... | |
| void | replaceAllUsesWith (Value *V) |
| Change all uses of this to point to a new Value. More... | |
| void | replaceNonMetadataUsesWith (Value *V) |
| Change non-metadata uses of this to point to a new Value. More... | |
| void | replaceUsesOutsideBlock (Value *V, BasicBlock *BB) |
| replaceUsesOutsideBlock - Go through the uses list for this definition and make each use point to "V" instead of "this" when the use is outside the block. More... | |
| void | assertModuleIsMaterialized () const |
| bool | use_empty () const |
| use_iterator | materialized_use_begin () |
| const_use_iterator | materialized_use_begin () const |
| use_iterator | use_begin () |
| const_use_iterator | use_begin () const |
| use_iterator | use_end () |
| const_use_iterator | use_end () const |
| iterator_range< use_iterator > | materialized_uses () |
| iterator_range < const_use_iterator > | materialized_uses () const |
| iterator_range< use_iterator > | uses () |
| iterator_range < const_use_iterator > | uses () const |
| bool | user_empty () const |
| user_iterator | materialized_user_begin () |
| const_user_iterator | materialized_user_begin () const |
| user_iterator | user_begin () |
| const_user_iterator | user_begin () const |
| user_iterator | user_end () |
| const_user_iterator | user_end () const |
| User * | user_back () |
| const User * | user_back () const |
| iterator_range< user_iterator > | materialized_users () |
| iterator_range < const_user_iterator > | materialized_users () const |
| iterator_range< user_iterator > | users () |
| iterator_range < const_user_iterator > | users () const |
| bool | hasOneUse () const |
| Return true if there is exactly one user of this value. More... | |
| bool | hasNUses (unsigned N) const |
| Return true if this Value has exactly N users. More... | |
| bool | hasNUsesOrMore (unsigned N) const |
| Return true if this value has N users or more. More... | |
| bool | isUsedInBasicBlock (const BasicBlock *BB) const |
| Check if this value is used in the specified basic block. More... | |
| unsigned | getNumUses () const |
| This method computes the number of uses of this Value. More... | |
| void | addUse (Use &U) |
| This method should only be used by the Use class. More... | |
| unsigned | getValueID () const |
| Return an ID for the concrete type of this object. More... | |
| unsigned | getRawSubclassOptionalData () const |
| Return the raw optional flags value contained in this value. More... | |
| void | clearSubclassOptionalData () |
| Clear the optional flags contained in this value. More... | |
| bool | hasSameSubclassOptionalData (const Value *V) const |
| Check the optional flags for equality. More... | |
| bool | hasValueHandle () const |
| Return true if there is a value handle associated with this value. More... | |
| bool | isUsedByMetadata () const |
| Return true if there is metadata referencing this value. More... | |
| bool | isSwiftError () const |
| Return true if this value is a swifterror value. More... | |
| Value * | stripPointerCasts () |
| Strip off pointer casts, all-zero GEPs, and aliases. More... | |
| const Value * | stripPointerCasts () const |
| Value * | stripPointerCastsNoFollowAliases () |
| Strip off pointer casts and all-zero GEPs. More... | |
| const Value * | stripPointerCastsNoFollowAliases () const |
| Value * | stripInBoundsConstantOffsets () |
| Strip off pointer casts and all-constant inbounds GEPs. More... | |
| const Value * | stripInBoundsConstantOffsets () const |
| Value * | stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset) |
| Accumulate offsets from stripInBoundsConstantOffsets(). More... | |
| const Value * | stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset) const |
| Value * | stripInBoundsOffsets () |
| Strip off pointer casts and inbounds GEPs. More... | |
| const Value * | stripInBoundsOffsets () const |
| unsigned | getPointerDereferenceableBytes (const DataLayout &DL, bool &CanBeNull) const |
| Returns the number of bytes known to be dereferenceable for the pointer value. More... | |
| unsigned | getPointerAlignment (const DataLayout &DL) const |
| Returns an alignment of the pointer value. More... | |
| Value * | DoPHITranslation (const BasicBlock *CurBB, const BasicBlock *PredBB) |
| Translate PHI node to its predecessor from the given basic block. More... | |
| const Value * | DoPHITranslation (const BasicBlock *CurBB, const BasicBlock *PredBB) const |
| void | mutateType (Type *Ty) |
| Mutate the type of this Value to be of the specified type. More... | |
| template<class Compare > | |
| void | sortUseList (Compare Cmp) |
| Sort the use-list. More... | |
| void | reverseUseList () |
| Reverse the use-list. More... | |
| void | print (raw_ostream &O, bool IsForDebug=false) const |
| Implement operator<< on Value. More... | |
| void | print (raw_ostream &O, ModuleSlotTracker &MST, bool IsForDebug=false) const |
| void | printAsOperand (raw_ostream &O, bool PrintType=true, const Module *M=nullptr) const |
| Print the name of this Value out to the specified raw_ostream. More... | |
| void | printAsOperand (raw_ostream &O, bool PrintType, ModuleSlotTracker &MST) const |
Static Public Member Functions | |
| static bool | classof (const Instruction *I) |
| static bool | classof (const Value *V) |
Static Public Member Functions inherited from llvm::Operator | |
| static unsigned | getOpcode (const Value *V) |
| If V is an Instruction or ConstantExpr, return its opcode. More... | |
| static bool | classof (const Instruction *) |
| static bool | classof (const ConstantExpr *) |
| static bool | classof (const Value *V) |
Static Public Member Functions inherited from llvm::User | |
| static bool | classof (const Value *V) |
Friends | |
| class | Instruction |
Additional Inherited Members | |
Public Types inherited from llvm::User | |
| typedef Use * | op_iterator |
| typedef const Use * | const_op_iterator |
| typedef iterator_range < op_iterator > | op_range |
| typedef iterator_range < const_op_iterator > | const_op_range |
Public Types inherited from llvm::Value | |
| enum | ValueTy |
| Concrete subclass of this. More... | |
| typedef use_iterator_impl< Use > | use_iterator |
| typedef use_iterator_impl < const Use > | const_use_iterator |
| typedef user_iterator_impl< User > | user_iterator |
| typedef user_iterator_impl < const User > | const_user_iterator |
Static Public Attributes inherited from llvm::Value | |
| static const unsigned | MaxAlignmentExponent = 29 |
| The maximum alignment for instructions. More... | |
| static const unsigned | MaximumAlignment = 1u << MaxAlignmentExponent |
Protected Types inherited from llvm::Value | |
| enum | : unsigned { NumUserOperandsBits = 28 } |
| The number of operands in the subclass. More... | |
Protected Member Functions inherited from llvm::Operator | |
| ~Operator () override | |
Protected Member Functions inherited from llvm::User | |
| void * | operator new (size_t Size) |
| Allocate a User with an operand pointer co-allocated. More... | |
| void * | operator new (size_t Size, unsigned Us) |
| Allocate a User with the operands co-allocated. More... | |
| void * | operator new (size_t Size, unsigned Us, unsigned DescBytes) |
| Allocate a User with the operands co-allocated. More... | |
| User (Type *ty, unsigned vty, Use *, unsigned NumOps) | |
| void | allocHungoffUses (unsigned N, bool IsPhi=false) |
| Allocate the array of Uses, followed by a pointer (with bottom bit set) to the User. More... | |
| void | growHungoffUses (unsigned N, bool IsPhi=false) |
| Grow the number of hung off uses. More... | |
| template<int Idx> | |
| Use & | Op () |
| template<int Idx> | |
| const Use & | Op () const |
Protected Member Functions inherited from llvm::Value | |
| Value (Type *Ty, unsigned scid) | |
| unsigned short | getSubclassDataFromValue () const |
| void | setValueSubclassData (unsigned short D) |
Static Protected Member Functions inherited from llvm::User | |
| template<int Idx, typename U > | |
| static Use & | OpFrom (const U *that) |
Protected Attributes inherited from llvm::Value | |
| unsigned char | SubclassOptionalData: 7 |
| Hold subclass data that can be dropped. More... | |
| unsigned | NumUserOperands: NumUserOperandsBits |
| unsigned | IsUsedByMD: 1 |
| unsigned | HasName: 1 |
| unsigned | HasHungOffUses: 1 |
| unsigned | HasDescriptor: 1 |
Utility class for floating point operations which can have information about relaxed accuracy requirements attached to them.
Definition at line 220 of file Operator.h.
|
inlinestatic |
Definition at line 315 of file Operator.h.
References llvm::Instruction::getOpcode(), llvm::Value::getType(), and llvm::Type::isFPOrFPVectorTy().
Definition at line 319 of file Operator.h.
References llvm::PossiblyExactOperator::classof().
|
inline |
Convenience function for getting all the fast-math flags.
Definition at line 306 of file Operator.h.
References llvm::Value::SubclassOptionalData.
| float FPMathOperator::getFPAccuracy | ( | ) | const |
Get the maximum error permitted by this operation in ULPs.
An accuracy of 0.0 means that the operation should be performed with the default precision.
Definition at line 2255 of file Instructions.cpp.
References llvm::APFloat::convertToFloat(), llvm::MDNode::getOperand(), llvm::ConstantFP::getValueAPF(), and llvm::LLVMContext::MD_fpmath.
|
inline |
Test whether this operation is permitted to use reciprocal instead of division, aka the 'R' fast-math property.
Definition at line 301 of file Operator.h.
References llvm::FastMathFlags::AllowReciprocal, and llvm::Value::SubclassOptionalData.
|
inline |
Test whether this operation's arguments and results are to be treated as NoN-Inf, aka the 'I' fast-math property.
Definition at line 289 of file Operator.h.
References llvm::FastMathFlags::NoInfs, and llvm::Value::SubclassOptionalData.
|
inline |
Test whether this operation's arguments and results are to be treated as non-NaN, aka the 'N' fast-math property.
Definition at line 283 of file Operator.h.
References llvm::FastMathFlags::NoNaNs, and llvm::Value::SubclassOptionalData.
|
inline |
Test whether this operation can treat the sign of zero as insignificant, aka the 'S' fast-math property.
Definition at line 295 of file Operator.h.
References llvm::FastMathFlags::NoSignedZeros, and llvm::Value::SubclassOptionalData.
|
inline |
Test whether this operation is permitted to be algebraically transformed, aka the 'A' fast-math property.
Definition at line 277 of file Operator.h.
References llvm::Value::SubclassOptionalData.
|
friend |
Definition at line 222 of file Operator.h.
1.8.6