LLVM API Documentation
#include <Operator.h>
Public Member Functions | |
bool | hasUnsafeAlgebra () const |
bool | hasNoNaNs () const |
bool | hasNoInfs () const |
bool | hasNoSignedZeros () const |
bool | hasAllowReciprocal () const |
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. An accuracy of 0.0 means that the operation should be performed with the default precision. More... | |
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unsigned | getOpcode () const |
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~User () | |
void | operator delete (void *Usr) |
operator delete - 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... | |
Value * | getOperand (unsigned i) const |
void | setOperand (unsigned i, Value *Val) |
const Use & | getOperandUse (unsigned i) const |
Use & | getOperandUse (unsigned i) |
unsigned | getNumOperands () const |
op_iterator | op_begin () |
const_op_iterator | op_begin () const |
op_iterator | op_end () |
const_op_iterator | op_end () const |
value_op_iterator | value_op_begin () |
value_op_iterator | value_op_end () |
void | dropAllReferences () |
void | replaceUsesOfWith (Value *From, Value *To) |
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virtual | ~Value () |
void | dump () const |
dump - Support for debugging, callable in GDB: V->dump() More... | |
void | print (raw_ostream &O, AssemblyAnnotationWriter *AAW=0) const |
Type * | getType () const |
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 |
void | setName (const Twine &Name) |
void | takeName (Value *V) |
void | replaceAllUsesWith (Value *V) |
bool | use_empty () const |
use_iterator | use_begin () |
const_use_iterator | use_begin () const |
use_iterator | use_end () |
const_use_iterator | use_end () const |
User * | use_back () |
const User * | use_back () const |
bool | hasOneUse () const |
bool | hasNUses (unsigned N) const |
bool | hasNUsesOrMore (unsigned N) const |
bool | isUsedInBasicBlock (const BasicBlock *BB) const |
unsigned | getNumUses () const |
void | addUse (Use &U) |
unsigned | getValueID () const |
unsigned | getRawSubclassOptionalData () const |
void | clearSubclassOptionalData () |
bool | hasSameSubclassOptionalData (const Value *V) const |
void | intersectOptionalDataWith (const Value *V) |
bool | hasValueHandle () const |
Value * | stripPointerCasts () |
Strips off any unneeded pointer casts, all-zero GEPs and aliases from the specified value, returning the original uncasted value. More... | |
const Value * | stripPointerCasts () const |
Value * | stripPointerCastsNoFollowAliases () |
Strips off any unneeded pointer casts and all-zero GEPs from the specified value, returning the original uncasted value. More... | |
const Value * | stripPointerCastsNoFollowAliases () const |
Value * | stripInBoundsConstantOffsets () |
Strips off unneeded pointer casts and all-constant GEPs from the specified value, returning the original pointer value. More... | |
const Value * | stripInBoundsConstantOffsets () const |
Value * | stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset) |
Strips like stripInBoundsConstantOffsets but also accumulates the constant offset stripped. More... | |
const Value * | stripAndAccumulateInBoundsConstantOffsets (const DataLayout &DL, APInt &Offset) const |
Value * | stripInBoundsOffsets () |
Strips off unneeded pointer casts and any in-bounds offsets from the specified value, returning the original pointer value. More... | |
const Value * | stripInBoundsOffsets () const |
bool | isDereferenceablePointer () const |
Value * | DoPHITranslation (const BasicBlock *CurBB, const BasicBlock *PredBB) |
const Value * | DoPHITranslation (const BasicBlock *CurBB, const BasicBlock *PredBB) const |
void | mutateType (Type *Ty) |
Static Public Member Functions | |
static bool | classof (const Instruction *I) |
static bool | classof (const Value *V) |
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static unsigned | getOpcode (const Value *V) |
static bool | classof (const Instruction *) |
static bool | classof (const ConstantExpr *) |
static bool | classof (const Value *V) |
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static bool | classof (const Value *V) |
Friends | |
class | Instruction |
FPMathOperator - Utility class for floating point operations which can have information about relaxed accuracy requirements attached to them.
Definition at line 218 of file Operator.h.
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inlinestatic |
Definition at line 302 of file Operator.h.
References llvm::Value::getType(), and llvm::Type::isFPOrFPVectorTy().
Definition at line 305 of file Operator.h.
References llvm::PossiblyExactOperator::classof().
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inline |
Convenience function for getting all the fast-math flags.
Definition at line 293 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.
getFPAccuracy - 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 2028 of file Instructions.cpp.
References llvm::APFloat::convertToFloat(), llvm::MDNode::getOperand(), llvm::ConstantFP::getValueAPF(), and llvm::LLVMContext::MD_fpmath.
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inline |
Test whether this operation is permitted to use reciprocal instead of division, aka the 'R' fast-math property.
Definition at line 288 of file Operator.h.
References llvm::FastMathFlags::AllowReciprocal, and llvm::Value::SubclassOptionalData.
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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 276 of file Operator.h.
References llvm::FastMathFlags::NoInfs, and llvm::Value::SubclassOptionalData.
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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 270 of file Operator.h.
References llvm::FastMathFlags::NoNaNs, and llvm::Value::SubclassOptionalData.
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inline |
Test whether this operation can treat the sign of zero as insignificant, aka the 'S' fast-math property.
Definition at line 282 of file Operator.h.
References llvm::FastMathFlags::NoSignedZeros, and llvm::Value::SubclassOptionalData.
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inline |
Test whether this operation is permitted to be algebraically transformed, aka the 'A' fast-math property.
Definition at line 264 of file Operator.h.
References llvm::Value::SubclassOptionalData.
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friend |
Definition at line 220 of file Operator.h.