llvm::SelectInst Class Reference

#include <Instructions.h>

Inheritance diagram for llvm::SelectInst:

Collaboration diagram for llvm::SelectInst:

List of all members.

Public Member Functions
const Value *	getCondition () const
const Value *	getTrueValue () const
const Value *	getFalseValue () const
Value *	getCondition ()
Value *	getTrueValue ()
Value *	getFalseValue ()
	DECLARE_TRANSPARENT_OPERAND_ACCESSORS (Value)
	Transparently provide more efficient getOperand methods.
OtherOps	getOpcode () const
	getOpcode() returns a member of one of the enums like Instruction::Add.
Static Public Member Functions
static SelectInst *	Create (Value *C, Value *S1, Value *S2, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
static SelectInst *	Create (Value *C, Value *S1, Value *S2, const Twine &NameStr, BasicBlock *InsertAtEnd)
static const char *	areInvalidOperands (Value *Cond, Value *True, Value *False)
static bool	classof (const Instruction *I)
static bool	classof (const Value *V)
	Methods for support type inquiry through isa, cast, and dyn_cast:
Protected Member Functions
SelectInst *	clone_impl () const override

---

Detailed Description

SelectInst - This class represents the LLVM 'select' instruction.

Definition at line 1542 of file Instructions.h.

---

Member Function Documentation

const char * SelectInst::areInvalidOperands	(	Value *	Op0,
		Value *	Op1,
		Value *	Op2
	)		[static]

areInvalidOperands - Return a string if the specified operands are invalid for a select operation, otherwise return null.

Definition at line 62 of file Instructions.cpp.

References llvm::dyn_cast(), llvm::Value::getContext(), llvm::Type::getInt1Ty(), llvm::VectorType::getNumElements(), and llvm::Value::getType().

Referenced by llvm::ConstantExpr::getSelect().

static bool llvm::SelectInst::classof

(

const Instruction *

I

)

[inline, static]

Definition at line 1597 of file Instructions.h.

References llvm::Instruction::getOpcode(), and llvm::MCID::Select.

static bool llvm::SelectInst::classof

(

const Value *

V

)

[inline, static]

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

Reimplemented from llvm::Instruction.

Definition at line 1600 of file Instructions.h.

SelectInst * SelectInst::clone_impl

(

)

const [override, protected, virtual]

Implements llvm::Instruction.

Definition at line 3733 of file Instructions.cpp.

References Create(), and llvm::User::getOperand().

static SelectInst* llvm::SelectInst::Create	(	Value *	C,
		Value *	S1,
		Value *	S2,
		const Twine &	NameStr = "",
		Instruction *	InsertBefore = nullptr
	)		[inline, static]

Definition at line 1567 of file Instructions.h.

Referenced by clone_impl(), llvm::InstCombiner::commonIDivTransforms(), llvm::NoFolder::CreateSelect(), llvm::IRBuilder< true, TargetFolder >::CreateSelect(), foldUDivNegCst(), llvm::ConstantExpr::getAsInstruction(), MatchSelectFromAndOr(), TryToShrinkGlobalToBoolean(), llvm::InstCombiner::visitAdd(), llvm::InstCombiner::visitAnd(), llvm::InstCombiner::visitCallInst(), llvm::InstCombiner::visitExtractElementInst(), llvm::InstCombiner::visitFAdd(), llvm::InstCombiner::visitFPTrunc(), llvm::InstCombiner::visitICmpInst(), llvm::InstCombiner::visitLoadInst(), llvm::InstCombiner::visitOr(), and llvm::InstCombiner::visitUDiv().

static SelectInst* llvm::SelectInst::Create	(	Value *	C,
		Value *	S1,
		Value *	S2,
		const Twine &	NameStr,
		BasicBlock *	InsertAtEnd
	)		[inline, static]

Definition at line 1572 of file Instructions.h.

llvm::SelectInst::DECLARE_TRANSPARENT_OPERAND_ACCESSORS

(

Value

)

Transparently provide more efficient getOperand methods.

const Value* llvm::SelectInst::getCondition

(

)

const [inline]

Definition at line 1578 of file Instructions.h.

Referenced by AddReachableCodeToWorklist(), CanSelectOperandBeMappingIntoPredBlock(), ExtractEquivalentCondition(), foldSelectICmpAnd(), foldSelectICmpAndOr(), foldSelectInst(), llvm::InstCombiner::FoldSelectIntoOp(), llvm::InstCombiner::FoldSelectOpOp(), llvm::InstCombiner::FoldSPFofSPF(), isFormingBranchFromSelectProfitable(), llvm::PatternMatch::MaxMin_match< CmpInst_t, LHS_t, RHS_t, Pred_t >::match(), MatchSelectPattern(), SimplifyIndirectBrOnSelect(), SimplifySwitchOnSelect(), speculateSelectInstLoads(), ThreadCmpOverSelect(), llvm::InstCombiner::visitAdd(), llvm::InstCombiner::visitSelectInst(), and llvm::ObjectSizeOffsetEvaluator::visitSelectInst().

Value* llvm::SelectInst::getCondition

(

)

[inline]

Definition at line 1581 of file Instructions.h.

const Value* llvm::SelectInst::getFalseValue

(

)

const [inline]

Definition at line 1580 of file Instructions.h.

Referenced by CanEvaluateShifted(), CanEvaluateTruncated(), llvm::InstCombiner::FoldSPFofSPF(), isSafeSelectToSpeculate(), llvm::PatternMatch::MaxMin_match< CmpInst_t, LHS_t, RHS_t, Pred_t >::match(), MatchSelectPattern(), SimplifyIndirectBrOnSelect(), SimplifySwitchOnSelect(), speculateSelectInstLoads(), ThreadBinOpOverSelect(), ThreadCmpOverSelect(), llvm::InstCombiner::visitAdd(), llvm::ObjectSizeOffsetVisitor::visitSelectInst(), llvm::InstCombiner::visitSelectInst(), llvm::ObjectSizeOffsetEvaluator::visitSelectInst(), and llvm::InstCombiner::visitSelectInstWithICmp().

Value* llvm::SelectInst::getFalseValue

(

)

[inline]

Definition at line 1583 of file Instructions.h.

OtherOps llvm::SelectInst::getOpcode

(

)

const [inline]

getOpcode() returns a member of one of the enums like Instruction::Add.

Reimplemented from llvm::Instruction.

Definition at line 1592 of file Instructions.h.

References llvm::Instruction::getOpcode().

const Value* llvm::SelectInst::getTrueValue

(

)

const [inline]

Definition at line 1579 of file Instructions.h.

Referenced by CanEvaluateShifted(), CanEvaluateTruncated(), llvm::InstCombiner::FoldSPFofSPF(), isSafeSelectToSpeculate(), llvm::PatternMatch::MaxMin_match< CmpInst_t, LHS_t, RHS_t, Pred_t >::match(), MatchSelectPattern(), SimplifyIndirectBrOnSelect(), SimplifySwitchOnSelect(), speculateSelectInstLoads(), ThreadBinOpOverSelect(), ThreadCmpOverSelect(), llvm::InstCombiner::visitAdd(), llvm::ObjectSizeOffsetVisitor::visitSelectInst(), llvm::InstCombiner::visitSelectInst(), llvm::ObjectSizeOffsetEvaluator::visitSelectInst(), and llvm::InstCombiner::visitSelectInstWithICmp().

Value* llvm::SelectInst::getTrueValue

(

)

[inline]

Definition at line 1582 of file Instructions.h.

---

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

• Instructions.h
• Instructions.cpp