LLVM API Documentation
#include <InstrTypes.h>
Public Member Functions | |
unsigned | getNumSuccessors () const |
BasicBlock * | getSuccessor (unsigned idx) const |
void | setSuccessor (unsigned idx, BasicBlock *B) |
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~Instruction () | |
Instruction * | use_back () |
const Instruction * | use_back () const |
const BasicBlock * | getParent () const |
BasicBlock * | getParent () |
void | removeFromParent () |
void | eraseFromParent () |
void | insertBefore (Instruction *InsertPos) |
void | insertAfter (Instruction *InsertPos) |
void | moveBefore (Instruction *MovePos) |
unsigned | getOpcode () const |
getOpcode() returns a member of one of the enums like Instruction::Add. More... | |
const char * | getOpcodeName () const |
bool | isTerminator () const |
bool | isBinaryOp () const |
bool | isShift () |
bool | isCast () const |
bool | isLogicalShift () const |
bool | isArithmeticShift () const |
isArithmeticShift - Return true if this is an arithmetic shift right. More... | |
bool | hasMetadata () const |
bool | hasMetadataOtherThanDebugLoc () const |
MDNode * | getMetadata (unsigned KindID) const |
MDNode * | getMetadata (StringRef Kind) const |
void | getAllMetadata (SmallVectorImpl< std::pair< unsigned, MDNode * > > &MDs) const |
void | getAllMetadataOtherThanDebugLoc (SmallVectorImpl< std::pair< unsigned, MDNode * > > &MDs) const |
void | setMetadata (unsigned KindID, MDNode *Node) |
void | setMetadata (StringRef Kind, MDNode *Node) |
void | setDebugLoc (const DebugLoc &Loc) |
setDebugLoc - Set the debug location information for this instruction. More... | |
const DebugLoc & | getDebugLoc () const |
getDebugLoc - Return the debug location for this node as a DebugLoc. More... | |
void | setHasUnsafeAlgebra (bool B) |
void | setHasNoNaNs (bool B) |
void | setHasNoInfs (bool B) |
void | setHasNoSignedZeros (bool B) |
void | setHasAllowReciprocal (bool B) |
void | setFastMathFlags (FastMathFlags FMF) |
bool | hasUnsafeAlgebra () const |
Determine whether the unsafe-algebra flag is set. More... | |
bool | hasNoNaNs () const |
Determine whether the no-NaNs flag is set. More... | |
bool | hasNoInfs () const |
Determine whether the no-infs flag is set. More... | |
bool | hasNoSignedZeros () const |
Determine whether the no-signed-zeros flag is set. More... | |
bool | hasAllowReciprocal () const |
Determine whether the allow-reciprocal flag is set. More... | |
FastMathFlags | getFastMathFlags () const |
void | copyFastMathFlags (const Instruction *I) |
Copy I's fast-math flags. More... | |
bool | isAssociative () const |
bool | isCommutative () const |
bool | isIdempotent () const |
bool | isNilpotent () const |
bool | mayWriteToMemory () const |
bool | mayReadFromMemory () const |
bool | mayReadOrWriteMemory () const |
bool | mayThrow () const |
bool | mayReturn () const |
bool | mayHaveSideEffects () const |
Instruction * | clone () const |
bool | isIdenticalTo (const Instruction *I) const |
bool | isIdenticalToWhenDefined (const Instruction *I) const |
bool | isSameOperationAs (const Instruction *I, unsigned flags=0) const |
Determine if one instruction is the same operation as another. More... | |
bool | isUsedOutsideOfBlock (const BasicBlock *BB) 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) |
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Instruction * | getPrevNode () |
Get the previous node, or 0 for the list head. More... | |
const Instruction * | getPrevNode () const |
Get the previous node, or 0 for the list head. More... | |
Instruction * | getNextNode () |
Get the next node, or 0 for the list tail. More... | |
const Instruction * | getNextNode () const |
Get the next node, or 0 for the list tail. More... | |
Static Public Member Functions | |
static bool | classof (const Instruction *I) |
static bool | classof (const Value *V) |
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static const char * | getOpcodeName (unsigned OpCode) |
static bool | isTerminator (unsigned OpCode) |
static bool | isBinaryOp (unsigned Opcode) |
static bool | isShift (unsigned Opcode) |
Determine if the Opcode is one of the shift instructions. More... | |
static bool | isCast (unsigned OpCode) |
Determine if the OpCode is one of the CastInst instructions. More... | |
static bool | isAssociative (unsigned op) |
static bool | isCommutative (unsigned op) |
static bool | isIdempotent (unsigned op) |
static bool | isNilpotent (unsigned op) |
static bool | classof (const Value *V) |
Methods for support type inquiry through isa, cast, and dyn_cast: More... | |
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static bool | classof (const Value *V) |
Protected Member Functions | |
TerminatorInst (Type *Ty, Instruction::TermOps iType, Use *Ops, unsigned NumOps, Instruction *InsertBefore=0) | |
TerminatorInst (Type *Ty, Instruction::TermOps iType, Use *Ops, unsigned NumOps, BasicBlock *InsertAtEnd) | |
~TerminatorInst () | |
virtual BasicBlock * | getSuccessorV (unsigned idx) const =0 |
virtual unsigned | getNumSuccessorsV () const =0 |
virtual void | setSuccessorV (unsigned idx, BasicBlock *B)=0 |
virtual TerminatorInst * | clone_impl () const =0 |
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void | setInstructionSubclassData (unsigned short D) |
unsigned | getSubclassDataFromInstruction () const |
Instruction (Type *Ty, unsigned iType, Use *Ops, unsigned NumOps, Instruction *InsertBefore=0) | |
Instruction (Type *Ty, unsigned iType, Use *Ops, unsigned NumOps, BasicBlock *InsertAtEnd) | |
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void * | operator new (size_t s, unsigned Us) |
User (Type *ty, unsigned vty, Use *OpList, unsigned NumOps) | |
Use * | allocHungoffUses (unsigned) const |
void | dropHungoffUses () |
template<int Idx> | |
Use & | Op () |
template<int Idx> | |
const Use & | Op () const |
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virtual void | printCustom (raw_ostream &O) const |
Value (Type *Ty, unsigned scid) | |
unsigned short | getSubclassDataFromValue () const |
void | setValueSubclassData (unsigned short D) |
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ilist_node () | |
TerminatorInst - Subclasses of this class are all able to terminate a basic block. Thus, these are all the flow control type of operations.
Definition at line 35 of file InstrTypes.h.
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inlineprotected |
Definition at line 37 of file InstrTypes.h.
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inlineprotected |
Definition at line 42 of file InstrTypes.h.
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protected |
Definition at line 45 of file Instructions.cpp.
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inlinestatic |
Definition at line 76 of file InstrTypes.h.
References llvm::Instruction::isTerminator().
Referenced by classof().
Definition at line 79 of file InstrTypes.h.
References classof().
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protectedpure virtual |
Implements llvm::Instruction.
Implemented in llvm::UnreachableInst, llvm::ResumeInst, llvm::InvokeInst, llvm::IndirectBrInst, llvm::SwitchInst, llvm::BranchInst, and llvm::ReturnInst.
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inline |
getNumSuccessors - Return the number of successors that this terminator has.
Definition at line 59 of file InstrTypes.h.
References getNumSuccessorsV().
Referenced by AddReachableCodeToWorklist(), llvm::DeleteDeadBlock(), FindMostPopularDest(), FindUnconditionalPreds(), FoldBlockIntoPredecessor(), FoldCondBranchOnPHI(), GetBestDestForJumpOnUndef(), llvm::Region::getExpandedRegion(), llvm::Loop::getLoopID(), llvm::GetSuccessorNumber(), llvm::isCriticalEdge(), llvm::SparseSolver::isEdgeFeasible(), isSafePHIToSpeculate(), llvm::BasicBlockEdge::isSingleEdge(), replaceConstantExprOp(), llvm::BasicBlock::replaceSuccessorsPhiUsesWith(), llvm::Loop::setLoopID(), SimplifyTerminatorOnSelect(), llvm::SplitCriticalEdge(), SplitCriticalSideEffectEdges(), and llvm::SplitEdge().
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protectedpure virtual |
Referenced by getNumSuccessors().
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inline |
getSuccessor - Return the specified successor.
Definition at line 65 of file InstrTypes.h.
References getSuccessorV().
Referenced by AddReachableCodeToWorklist(), llvm::DeleteDeadBlock(), FindMostPopularDest(), FoldCondBranchOnPHI(), GetBestDestForJumpOnUndef(), llvm::Loop::getLoopID(), llvm::GetSuccessorNumber(), llvm::isCriticalEdge(), llvm::SparseSolver::isEdgeFeasible(), llvm::BasicBlockEdge::isSingleEdge(), llvm::BasicBlock::replaceSuccessorsPhiUsesWith(), llvm::Loop::setLoopID(), SimplifyTerminatorOnSelect(), SpeculativelyExecuteBB(), llvm::SplitCriticalEdge(), llvm::SplitEdge(), and TryToSimplifyUncondBranchWithICmpInIt().
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protectedpure virtual |
Virtual methods - Terminators should overload these and provide inline overrides of non-V methods.
Referenced by getSuccessor().
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inline |
setSuccessor - Update the specified successor to point at the provided block.
Definition at line 71 of file InstrTypes.h.
References setSuccessorV().
Referenced by CloneLoopBlocks(), convertMemSetToLoop(), convertTransferToLoop(), FoldCondBranchOnPHI(), llvm::SplitCriticalEdge(), and llvm::UnrollRuntimeLoopProlog().
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protectedpure virtual |
Referenced by setSuccessor().