llvm::gvn::AvailableValueInBlock Struct Reference

Represents an AvailableValue which can be rematerialized at the end of the associated BasicBlock. More...

Collaboration diagram for llvm::gvn::AvailableValueInBlock:

Public Member Functions
Value *	MaterializeAdjustedValue (LoadInst *LI, GVN &gvn) const
	Emit code at the end of this block to adjust the value defined here to the specified type. More...

Static Public Member Functions
static AvailableValueInBlock	get (BasicBlock *BB, AvailableValue &&AV)
static AvailableValueInBlock	get (BasicBlock *BB, Value *V, unsigned Offset=0)
static AvailableValueInBlock	getUndef (BasicBlock *BB)

Public Attributes
BasicBlock *	BB
	BB - The basic block in question. More...
AvailableValue	AV
	AV - The actual available value. More...

Detailed Description

Represents an AvailableValue which can be rematerialized at the end of the associated BasicBlock.

Definition at line 237 of file GVN.cpp.

Member Function Documentation

get() [1/2]

static AvailableValueInBlock llvm::gvn::AvailableValueInBlock::get ( BasicBlock *  BB, AvailableValue &&  AV  )

inlinestatic

Definition at line 244 of file GVN.cpp.

References AV, and BB.

Referenced by reportMayClobberedLoad().

get() [2/2]

static AvailableValueInBlock llvm::gvn::AvailableValueInBlock::get ( BasicBlock *  BB, Value *  V, unsigned  Offset = 0  )

inlinestatic

Definition at line 251 of file GVN.cpp.

References llvm::gvn::AvailableValue::get().

getUndef()

static AvailableValueInBlock llvm::gvn::AvailableValueInBlock::getUndef ( BasicBlock *  BB )

inlinestatic

Definition at line 256 of file GVN.cpp.

References llvm::gvn::AvailableValue::getUndef().

Referenced by reportMayClobberedLoad().

MaterializeAdjustedValue()

Value* llvm::gvn::AvailableValueInBlock::MaterializeAdjustedValue ( LoadInst *  LI, GVN &  gvn  ) const

inline

Emit code at the end of this block to adjust the value defined here to the specified type.

This handles various coercion cases.

Definition at line 262 of file GVN.cpp.

References llvm::MCID::Add, assert(), C, llvm::dyn_cast(), E, llvm::ExtractValueInst::getAggregateOperand(), llvm::CallBase::getArgOperand(), llvm::IntrinsicInst::getIntrinsicID(), llvm::CallBase::getNumArgOperands(), llvm::ExtractValueInst::getNumIndices(), llvm::User::getNumOperands(), llvm::Instruction::getOpcode(), llvm::CmpInst::getSwappedPredicate(), llvm::Value::getType(), I, llvm::ExtractValueInst::idx_begin(), llvm::ExtractValueInst::idx_end(), llvm::ARM_PROC::IE, llvm::Instruction::isCommutative(), llvm::CmpInst::makeCmpResultType(), llvm::gvn::AvailableValue::MaterializeAdjustedValue(), llvm::User::op_begin(), llvm::User::op_end(), llvm::Intrinsic::sadd_with_overflow, llvm::Intrinsic::smul_with_overflow, llvm::Intrinsic::ssub_with_overflow, std::swap(), llvm::GVN::Expression::type, llvm::Intrinsic::uadd_with_overflow, llvm::Intrinsic::umul_with_overflow, llvm::Intrinsic::usub_with_overflow, llvm::GVN::ValueTable::ValueTable(), and llvm::GVN::ValueTable::~ValueTable().

Member Data Documentation

AV

AvailableValue llvm::gvn::AvailableValueInBlock::AV

AV - The actual available value.

Definition at line 242 of file GVN.cpp.

Referenced by get().

BB

BasicBlock* llvm::gvn::AvailableValueInBlock::BB

BB - The basic block in question.

Definition at line 239 of file GVN.cpp.

Referenced by get().

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The documentation for this struct was generated from the following file:

• lib/Transforms/Scalar/GVN.cpp