LLVM API Documentation

llvm::AllocationInst Class Reference

#include <Instructions.h>

Inheritance diagram for llvm::AllocationInst:

[legend]Collaboration diagram for llvm::AllocationInst:

[legend]List of all members.

Public Member Functions
virtual	~AllocationInst ()
bool	isArrayAllocation () const
const Value *	getArraySize () const
Value *	getArraySize ()
const PointerType *	getType () const
const Type *	getAllocatedType () const
unsigned	getAlignment () const
void	setAlignment (unsigned Align)
virtual Instruction *	clone () const=0
Static Public Member Functions
static bool	classof (const AllocationInst *)
static bool	classof (const Instruction *I)
	Methods for support type inquiry through isa, cast, and dyn_cast:.
static bool	classof (const Value *V)
Protected Member Functions
	AllocationInst (const Type *Ty, Value *ArraySize, unsigned iTy, unsigned Align, const std::string &Name="", Instruction *InsertBefore=0)
	AllocationInst (const Type *Ty, Value *ArraySize, unsigned iTy, unsigned Align, const std::string &Name, BasicBlock *InsertAtEnd)

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Detailed Description

AllocationInst - This class is the common base class of MallocInst and AllocaInst.

Definition at line 36 of file Instructions.h.

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Constructor & Destructor Documentation

AllocationInst::AllocationInst	(	const Type *	Ty,
		Value *	ArraySize,
		unsigned	iTy,
		unsigned	Align,
		const std::string &	Name = "",
		Instruction *	InsertBefore = 0
	)			[protected]

Definition at line 526 of file Instructions.cpp.

References llvm::Type::VoidTy.

AllocationInst::AllocationInst	(	const Type *	Ty,
		Value *	ArraySize,
		unsigned	iTy,
		unsigned	Align,
		const std::string &	Name,
		BasicBlock *	InsertAtEnd
	)			[protected]

Definition at line 535 of file Instructions.cpp.

References llvm::Type::VoidTy.

AllocationInst::~AllocationInst

(

)

[virtual]

Definition at line 545 of file Instructions.cpp.

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Member Function Documentation

bool AllocationInst::isArrayAllocation

(

)

const

isArrayAllocation - Return true if there is an allocation size parameter to the allocation instruction that is not 1.

Definition at line 548 of file Instructions.cpp.

References llvm::UnaryInstruction::getOperand().

Referenced by EvaluateFunction().

const Value* llvm::AllocationInst::getArraySize

(

)

const [inline]

getArraySize - Get the number of element allocated, for a simple allocation of a single element, this will return a constant 1 value.

Definition at line 55 of file Instructions.h.

References llvm::UnaryInstruction::getOperand().

Referenced by CheckForEscapingAllocas(), llvm::CloneBasicBlock(), llvm::InlineFunction(), and llvm::SelectionDAGLowering::visitAlloca().

Value* llvm::AllocationInst::getArraySize

(

)

[inline]

Definition at line 56 of file Instructions.h.

References llvm::UnaryInstruction::getOperand().

const PointerType* llvm::AllocationInst::getType

(

)

const [inline]

getType - Overload to return most specific pointer type

Reimplemented from llvm::Value.

Definition at line 60 of file Instructions.h.

References llvm::Value::getType().

Referenced by llvm::DSGraph::AssertGraphOK(), EvaluateFunction(), getAllocatedType(), llvm::DSGraph::getFunctionArgumentsForCall(), llvm::Interpreter::visitAllocationInst(), and llvm::SelectionDAGLowering::visitMalloc().

const Type * AllocationInst::getAllocatedType

(

)

const

getAllocatedType - Return the type that is being allocated by the instruction.

Definition at line 554 of file Instructions.cpp.

References llvm::SequentialType::getElementType(), and getType().

Referenced by llvm::SelectionDAGLowering::visitAlloca().

unsigned llvm::AllocationInst::getAlignment

(

)

const [inline]

getAlignment - Return the alignment of the memory that is being allocated by the instruction.

Definition at line 72 of file Instructions.h.

Referenced by llvm::SelectionDAGLowering::visitAlloca().

void llvm::AllocationInst::setAlignment

(

unsigned

Align

)

[inline]

Definition at line 73 of file Instructions.h.

virtual Instruction* llvm::AllocationInst::clone

(

)

const [pure 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.

Implemented in llvm::MallocInst, and llvm::AllocaInst.

static bool llvm::AllocationInst::classof

(

const AllocationInst *

)

[inline, static]

Definition at line 81 of file Instructions.h.

Referenced by classof().

static bool llvm::AllocationInst::classof

(

const Instruction *

I

)

[inline, static]

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

Reimplemented from llvm::Instruction.

Reimplemented in llvm::MallocInst, and llvm::AllocaInst.

Definition at line 82 of file Instructions.h.

References llvm::Instruction::Alloca, llvm::Instruction::getOpcode(), and llvm::Instruction::Malloc.

static bool llvm::AllocationInst::classof

(

const Value *

V

)

[inline, static]

Reimplemented from llvm::Instruction.

Reimplemented in llvm::MallocInst, and llvm::AllocaInst.

Definition at line 86 of file Instructions.h.

References classof(), and V.

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

• Instructions.h
• Instructions.cpp

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