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llvm::LoadInst Class Reference

#include <Instructions.h>

Inheritance diagram for llvm::LoadInst:

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Collaboration diagram for llvm::LoadInst:

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List of all members.

Public Member Functions

 LoadInst (Value *Ptr, const std::string &NameStr, Instruction *InsertBefore)
 LoadInst (Value *Ptr, const std::string &NameStr, BasicBlock *InsertAtEnd)
 LoadInst (Value *Ptr, const std::string &NameStr, bool isVolatile=false, Instruction *InsertBefore=0)
 LoadInst (Value *Ptr, const std::string &NameStr, bool isVolatile, unsigned Align, Instruction *InsertBefore=0)
 LoadInst (Value *Ptr, const std::string &NameStr, bool isVolatile, BasicBlock *InsertAtEnd)
 LoadInst (Value *Ptr, const std::string &NameStr, bool isVolatile, unsigned Align, BasicBlock *InsertAtEnd)
 LoadInst (Value *Ptr, const char *NameStr, Instruction *InsertBefore)
 LoadInst (Value *Ptr, const char *NameStr, BasicBlock *InsertAtEnd)
 LoadInst (Value *Ptr, const char *NameStr=0, bool isVolatile=false, Instruction *InsertBefore=0)
 LoadInst (Value *Ptr, const char *NameStr, bool isVolatile, BasicBlock *InsertAtEnd)
bool isVolatile () const
void setVolatile (bool V)
virtual LoadInst * clone () const
unsigned getAlignment () const
void setAlignment (unsigned Align)
Value * getPointerOperand ()
const Value * getPointerOperand () const

Static Public Member Functions

unsigned getPointerOperandIndex ()
bool classof (const LoadInst *)
bool classof (const Instruction *I)
 Methods for support type inquiry through isa, cast, and dyn_cast:.
bool classof (const Value *V)

Detailed Description

LoadInst - an instruction for reading from memory. This uses the SubclassData field in Value to store whether or not the load is volatile.

Definition at line 218 of file Instructions.h.

Constructor & Destructor Documentation

LoadInst::LoadInst (  Value *  Ptr,
const std::string &  NameStr,
Instruction *  InsertBefore
) 
 

Definition at line 769 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

Referenced by clone().

LoadInst::LoadInst (  Value *  Ptr,
const std::string &  NameStr,
BasicBlock *  InsertAtEnd
) 
 

Definition at line 778 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

LoadInst::LoadInst (  Value *  Ptr,
const std::string &  NameStr,
bool  isVolatile = false,
Instruction *  InsertBefore = 0
) 
 

Definition at line 787 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

LoadInst::LoadInst (  Value *  Ptr,
const std::string &  NameStr,
bool  isVolatile,
unsigned  Align,
Instruction *  InsertBefore = 0
) 
 

Definition at line 797 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

LoadInst::LoadInst (  Value *  Ptr,
const std::string &  NameStr,
bool  isVolatile,
BasicBlock *  InsertAtEnd
) 
 

Definition at line 817 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

LoadInst::LoadInst (  Value *  Ptr,
const std::string &  NameStr,
bool  isVolatile,
unsigned  Align,
BasicBlock *  InsertAtEnd
) 
 

Definition at line 807 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

LoadInst::LoadInst (  Value *  Ptr,
const char *  NameStr,
Instruction *  InsertBefore
) 
 

Definition at line 829 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

LoadInst::LoadInst (  Value *  Ptr,
const char *  NameStr,
BasicBlock *  InsertAtEnd
) 
 

Definition at line 838 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

LoadInst::LoadInst (  Value *  Ptr,
const char *  NameStr = 0,
bool  isVolatile = false,
Instruction *  InsertBefore = 0
)  [explicit]
 

Definition at line 847 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

LoadInst::LoadInst (  Value *  Ptr,
const char *  NameStr,
bool  isVolatile,
BasicBlock *  InsertAtEnd
) 
 

Definition at line 857 of file Instructions.cpp.

References llvm::cast(), llvm::Load, setAlignment(), llvm::Value::setName(), and setVolatile().

Member Function Documentation

bool llvm::LoadInst::classof (  const Value *  V  )  [inline, static]
 

Reimplemented from llvm::UnaryInstruction.

Definition at line 279 of file Instructions.h.

bool llvm::LoadInst::classof (  const Instruction *  I  )  [inline, static]
 

Methods for support type inquiry through isa, cast, and dyn_cast:.

Reimplemented from llvm::UnaryInstruction.

Definition at line 276 of file Instructions.h.

References llvm::Instruction::getOpcode().

bool llvm::LoadInst::classof (  const LoadInst *   )  [inline, static]
 

Definition at line 275 of file Instructions.h.

LoadInst * LoadInst::clone (   )  const [virtual]
 

clone() - Create a copy of 'this' instruction that is identical in all ways except the following: The instruction has no parent The instruction has no name

Implements llvm::Instruction.

Definition at line 2873 of file Instructions.cpp.

References LoadInst().

unsigned llvm::LoadInst::getAlignment (   )  const [inline]
 

getAlignment - Return the alignment of the access that is being performed

Definition at line 264 of file Instructions.h.

Referenced by llvm::SelectionDAGLowering::visitLoad(), and InstCombiner::visitLoadInst().

const Value* llvm::LoadInst::getPointerOperand (   )  const [inline]
 

Definition at line 271 of file Instructions.h.

Value* llvm::LoadInst::getPointerOperand (   )  [inline]
 

Definition at line 270 of file Instructions.h.

Referenced by llvm::MemoryDependenceAnalysis::getDependency(), DSE::handleEndBlock(), DSE::runOnBasicBlock(), and llvm::Interpreter::visitLoadInst().

unsigned llvm::LoadInst::getPointerOperandIndex (   )  [inline, static]
 

Definition at line 272 of file Instructions.h.

bool llvm::LoadInst::isVolatile (   )  const [inline]
 

isVolatile - Return true if this is a load from a volatile memory location.

Definition at line 252 of file Instructions.h.

Referenced by llvm::AliasSetTracker::add(), AddressIsTaken(), AnalyzeGlobal(), PruningFunctionCloner::ConstantFoldMappedInstruction(), EvaluateFunction(), llvm::MemoryDependenceAnalysis::getDependency(), DSE::handleEndBlock(), InstCombineLoadCast(), llvm::isAllocaPromotable(), llvm::Instruction::isIdenticalTo(), LoopDeletion::IsLoopDead(), llvm::Instruction::isSameOperationAs(), llvm::SelectionDAGLowering::visitLoad(), InstCombiner::visitLoadInst(), and llvm::Interpreter::visitLoadInst().

void LoadInst::setAlignment (  unsigned  Align  ) 
 

Definition at line 867 of file Instructions.cpp.

References llvm::Log2_32().

Referenced by MemCmpOpt::CallOptimizer(), LoadInst(), and InstCombiner::visitLoadInst().

void llvm::LoadInst::setVolatile (  bool  V  )  [inline]
 

setVolatile - Specify whether this is a volatile load or not.

Definition at line 256 of file Instructions.h.

Referenced by LoadInst().

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

Generated on Thu Aug 21 02:55:04 2008 for LLVM by Doxygen1.3.9.1
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