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1afb32cf33
Summary: This is a follow up on D61634. It adds an LLVM IR intrinsic to allow better implementation of memcpy from C++. A follow up CL will add the intrinsics in Clang. Reviewers: courbet, theraven, t.p.northover, jdoerfert, tejohnson Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D71710
893 lines
29 KiB
C++
893 lines
29 KiB
C++
//===-- llvm/IntrinsicInst.h - Intrinsic Instruction Wrappers ---*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines classes that make it really easy to deal with intrinsic
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// functions with the isa/dyncast family of functions. In particular, this
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// allows you to do things like:
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//
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// if (MemCpyInst *MCI = dyn_cast<MemCpyInst>(Inst))
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// ... MCI->getDest() ... MCI->getSource() ...
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//
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// All intrinsic function calls are instances of the call instruction, so these
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// are all subclasses of the CallInst class. Note that none of these classes
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// has state or virtual methods, which is an important part of this gross/neat
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// hack working.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IR_INTRINSICINST_H
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#define LLVM_IR_INTRINSICINST_H
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#include "llvm/IR/Constants.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/FPEnv.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/GlobalVariable.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/Intrinsics.h"
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#include "llvm/IR/Metadata.h"
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#include "llvm/IR/Value.h"
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#include "llvm/Support/Casting.h"
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#include <cassert>
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#include <cstdint>
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namespace llvm {
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/// A wrapper class for inspecting calls to intrinsic functions.
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/// This allows the standard isa/dyncast/cast functionality to work with calls
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/// to intrinsic functions.
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class IntrinsicInst : public CallInst {
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public:
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IntrinsicInst() = delete;
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IntrinsicInst(const IntrinsicInst &) = delete;
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IntrinsicInst &operator=(const IntrinsicInst &) = delete;
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/// Return the intrinsic ID of this intrinsic.
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Intrinsic::ID getIntrinsicID() const {
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return getCalledFunction()->getIntrinsicID();
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}
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static bool classof(const CallInst *I) {
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if (const Function *CF = I->getCalledFunction())
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return CF->isIntrinsic();
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return false;
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}
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static bool classof(const Value *V) {
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return isa<CallInst>(V) && classof(cast<CallInst>(V));
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}
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};
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/// This is the common base class for debug info intrinsics.
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class DbgInfoIntrinsic : public IntrinsicInst {
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public:
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/// \name Casting methods
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/// @{
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static bool classof(const IntrinsicInst *I) {
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switch (I->getIntrinsicID()) {
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case Intrinsic::dbg_declare:
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case Intrinsic::dbg_value:
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case Intrinsic::dbg_addr:
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case Intrinsic::dbg_label:
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return true;
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default: return false;
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}
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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/// @}
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};
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/// This is the common base class for debug info intrinsics for variables.
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class DbgVariableIntrinsic : public DbgInfoIntrinsic {
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public:
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/// Get the location corresponding to the variable referenced by the debug
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/// info intrinsic. Depending on the intrinsic, this could be the
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/// variable's value or its address.
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Value *getVariableLocation(bool AllowNullOp = true) const;
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/// Does this describe the address of a local variable. True for dbg.addr
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/// and dbg.declare, but not dbg.value, which describes its value.
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bool isAddressOfVariable() const {
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return getIntrinsicID() != Intrinsic::dbg_value;
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}
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DILocalVariable *getVariable() const {
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return cast<DILocalVariable>(getRawVariable());
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}
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DIExpression *getExpression() const {
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return cast<DIExpression>(getRawExpression());
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}
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Metadata *getRawVariable() const {
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return cast<MetadataAsValue>(getArgOperand(1))->getMetadata();
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}
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Metadata *getRawExpression() const {
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return cast<MetadataAsValue>(getArgOperand(2))->getMetadata();
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}
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/// Get the size (in bits) of the variable, or fragment of the variable that
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/// is described.
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Optional<uint64_t> getFragmentSizeInBits() const;
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/// \name Casting methods
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/// @{
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static bool classof(const IntrinsicInst *I) {
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switch (I->getIntrinsicID()) {
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case Intrinsic::dbg_declare:
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case Intrinsic::dbg_value:
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case Intrinsic::dbg_addr:
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return true;
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default: return false;
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}
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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/// @}
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};
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/// This represents the llvm.dbg.declare instruction.
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class DbgDeclareInst : public DbgVariableIntrinsic {
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public:
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Value *getAddress() const { return getVariableLocation(); }
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/// \name Casting methods
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/// @{
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static bool classof(const IntrinsicInst *I) {
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return I->getIntrinsicID() == Intrinsic::dbg_declare;
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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/// @}
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};
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/// This represents the llvm.dbg.addr instruction.
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class DbgAddrIntrinsic : public DbgVariableIntrinsic {
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public:
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Value *getAddress() const { return getVariableLocation(); }
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/// \name Casting methods
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/// @{
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static bool classof(const IntrinsicInst *I) {
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return I->getIntrinsicID() == Intrinsic::dbg_addr;
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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};
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/// This represents the llvm.dbg.value instruction.
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class DbgValueInst : public DbgVariableIntrinsic {
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public:
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Value *getValue() const {
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return getVariableLocation(/* AllowNullOp = */ false);
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}
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/// \name Casting methods
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/// @{
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static bool classof(const IntrinsicInst *I) {
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return I->getIntrinsicID() == Intrinsic::dbg_value;
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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/// @}
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};
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/// This represents the llvm.dbg.label instruction.
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class DbgLabelInst : public DbgInfoIntrinsic {
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public:
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DILabel *getLabel() const {
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return cast<DILabel>(getRawLabel());
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}
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Metadata *getRawLabel() const {
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return cast<MetadataAsValue>(getArgOperand(0))->getMetadata();
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}
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/// Methods for support type inquiry through isa, cast, and dyn_cast:
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/// @{
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static bool classof(const IntrinsicInst *I) {
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return I->getIntrinsicID() == Intrinsic::dbg_label;
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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/// @}
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};
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/// This is the common base class for constrained floating point intrinsics.
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class ConstrainedFPIntrinsic : public IntrinsicInst {
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public:
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bool isUnaryOp() const;
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bool isTernaryOp() const;
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Optional<fp::RoundingMode> getRoundingMode() const;
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Optional<fp::ExceptionBehavior> getExceptionBehavior() const;
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static bool classof(const IntrinsicInst *I);
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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};
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/// Constrained floating point compare intrinsics.
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class ConstrainedFPCmpIntrinsic : public ConstrainedFPIntrinsic {
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public:
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FCmpInst::Predicate getPredicate() const;
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static bool classof(const IntrinsicInst *I) {
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switch (I->getIntrinsicID()) {
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case Intrinsic::experimental_constrained_fcmp:
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case Intrinsic::experimental_constrained_fcmps:
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return true;
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default: return false;
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}
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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};
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/// This class represents an intrinsic that is based on a binary operation.
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/// This includes op.with.overflow and saturating add/sub intrinsics.
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class BinaryOpIntrinsic : public IntrinsicInst {
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public:
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static bool classof(const IntrinsicInst *I) {
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switch (I->getIntrinsicID()) {
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case Intrinsic::uadd_with_overflow:
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case Intrinsic::sadd_with_overflow:
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case Intrinsic::usub_with_overflow:
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case Intrinsic::ssub_with_overflow:
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case Intrinsic::umul_with_overflow:
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case Intrinsic::smul_with_overflow:
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case Intrinsic::uadd_sat:
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case Intrinsic::sadd_sat:
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case Intrinsic::usub_sat:
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case Intrinsic::ssub_sat:
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return true;
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default:
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return false;
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}
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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Value *getLHS() const { return const_cast<Value*>(getArgOperand(0)); }
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Value *getRHS() const { return const_cast<Value*>(getArgOperand(1)); }
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/// Returns the binary operation underlying the intrinsic.
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Instruction::BinaryOps getBinaryOp() const;
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/// Whether the intrinsic is signed or unsigned.
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bool isSigned() const;
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/// Returns one of OBO::NoSignedWrap or OBO::NoUnsignedWrap.
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unsigned getNoWrapKind() const;
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};
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/// Represents an op.with.overflow intrinsic.
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class WithOverflowInst : public BinaryOpIntrinsic {
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public:
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static bool classof(const IntrinsicInst *I) {
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switch (I->getIntrinsicID()) {
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case Intrinsic::uadd_with_overflow:
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case Intrinsic::sadd_with_overflow:
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case Intrinsic::usub_with_overflow:
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case Intrinsic::ssub_with_overflow:
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case Intrinsic::umul_with_overflow:
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case Intrinsic::smul_with_overflow:
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return true;
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default:
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return false;
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}
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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};
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/// Represents a saturating add/sub intrinsic.
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class SaturatingInst : public BinaryOpIntrinsic {
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public:
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static bool classof(const IntrinsicInst *I) {
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switch (I->getIntrinsicID()) {
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case Intrinsic::uadd_sat:
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case Intrinsic::sadd_sat:
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case Intrinsic::usub_sat:
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case Intrinsic::ssub_sat:
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return true;
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default:
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return false;
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}
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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}
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};
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/// Common base class for all memory intrinsics. Simply provides
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/// common methods.
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/// Written as CRTP to avoid a common base class amongst the
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/// three atomicity hierarchies.
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template <typename Derived> class MemIntrinsicBase : public IntrinsicInst {
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private:
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enum { ARG_DEST = 0, ARG_LENGTH = 2 };
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public:
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Value *getRawDest() const {
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return const_cast<Value *>(getArgOperand(ARG_DEST));
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}
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const Use &getRawDestUse() const { return getArgOperandUse(ARG_DEST); }
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Use &getRawDestUse() { return getArgOperandUse(ARG_DEST); }
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Value *getLength() const {
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return const_cast<Value *>(getArgOperand(ARG_LENGTH));
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}
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const Use &getLengthUse() const { return getArgOperandUse(ARG_LENGTH); }
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Use &getLengthUse() { return getArgOperandUse(ARG_LENGTH); }
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/// This is just like getRawDest, but it strips off any cast
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/// instructions (including addrspacecast) that feed it, giving the
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/// original input. The returned value is guaranteed to be a pointer.
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Value *getDest() const { return getRawDest()->stripPointerCasts(); }
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unsigned getDestAddressSpace() const {
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return cast<PointerType>(getRawDest()->getType())->getAddressSpace();
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}
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/// FIXME: Remove this function once transition to Align is over.
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/// Use getDestAlign() instead.
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unsigned getDestAlignment() const { return getParamAlignment(ARG_DEST); }
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MaybeAlign getDestAlign() const { return getParamAlign(ARG_DEST); }
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/// Set the specified arguments of the instruction.
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void setDest(Value *Ptr) {
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assert(getRawDest()->getType() == Ptr->getType() &&
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"setDest called with pointer of wrong type!");
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setArgOperand(ARG_DEST, Ptr);
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}
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/// FIXME: Remove this function once transition to Align is over.
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/// Use the version that takes MaybeAlign instead of this one.
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void setDestAlignment(unsigned Alignment) {
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setDestAlignment(MaybeAlign(Alignment));
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}
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void setDestAlignment(MaybeAlign Alignment) {
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removeParamAttr(ARG_DEST, Attribute::Alignment);
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if (Alignment)
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addParamAttr(ARG_DEST,
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Attribute::getWithAlignment(getContext(), *Alignment));
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}
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void setDestAlignment(Align Alignment) {
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removeParamAttr(ARG_DEST, Attribute::Alignment);
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addParamAttr(ARG_DEST,
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Attribute::getWithAlignment(getContext(), Alignment));
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}
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void setLength(Value *L) {
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assert(getLength()->getType() == L->getType() &&
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"setLength called with value of wrong type!");
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setArgOperand(ARG_LENGTH, L);
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}
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};
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/// Common base class for all memory transfer intrinsics. Simply provides
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/// common methods.
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template <class BaseCL> class MemTransferBase : public BaseCL {
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private:
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enum { ARG_SOURCE = 1 };
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public:
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/// Return the arguments to the instruction.
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Value *getRawSource() const {
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return const_cast<Value *>(BaseCL::getArgOperand(ARG_SOURCE));
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}
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const Use &getRawSourceUse() const {
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return BaseCL::getArgOperandUse(ARG_SOURCE);
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}
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Use &getRawSourceUse() { return BaseCL::getArgOperandUse(ARG_SOURCE); }
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/// This is just like getRawSource, but it strips off any cast
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/// instructions that feed it, giving the original input. The returned
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/// value is guaranteed to be a pointer.
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Value *getSource() const { return getRawSource()->stripPointerCasts(); }
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unsigned getSourceAddressSpace() const {
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return cast<PointerType>(getRawSource()->getType())->getAddressSpace();
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}
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/// FIXME: Remove this function once transition to Align is over.
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/// Use getSourceAlign() instead.
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unsigned getSourceAlignment() const {
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return BaseCL::getParamAlignment(ARG_SOURCE);
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}
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MaybeAlign getSourceAlign() const {
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return BaseCL::getParamAlign(ARG_SOURCE);
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}
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void setSource(Value *Ptr) {
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assert(getRawSource()->getType() == Ptr->getType() &&
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"setSource called with pointer of wrong type!");
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BaseCL::setArgOperand(ARG_SOURCE, Ptr);
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}
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/// FIXME: Remove this function once transition to Align is over.
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/// Use the version that takes MaybeAlign instead of this one.
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void setSourceAlignment(unsigned Alignment) {
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setSourceAlignment(MaybeAlign(Alignment));
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}
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void setSourceAlignment(MaybeAlign Alignment) {
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BaseCL::removeParamAttr(ARG_SOURCE, Attribute::Alignment);
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if (Alignment)
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BaseCL::addParamAttr(ARG_SOURCE, Attribute::getWithAlignment(
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BaseCL::getContext(), *Alignment));
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}
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void setSourceAlignment(Align Alignment) {
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BaseCL::removeParamAttr(ARG_SOURCE, Attribute::Alignment);
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BaseCL::addParamAttr(ARG_SOURCE, Attribute::getWithAlignment(
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BaseCL::getContext(), Alignment));
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}
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};
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/// Common base class for all memset intrinsics. Simply provides
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/// common methods.
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template <class BaseCL> class MemSetBase : public BaseCL {
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private:
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enum { ARG_VALUE = 1 };
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public:
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Value *getValue() const {
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return const_cast<Value *>(BaseCL::getArgOperand(ARG_VALUE));
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}
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const Use &getValueUse() const {
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return BaseCL::getArgOperandUse(ARG_VALUE);
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}
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Use &getValueUse() { return BaseCL::getArgOperandUse(ARG_VALUE); }
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void setValue(Value *Val) {
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assert(getValue()->getType() == Val->getType() &&
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"setValue called with value of wrong type!");
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BaseCL::setArgOperand(ARG_VALUE, Val);
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}
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};
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// The common base class for the atomic memset/memmove/memcpy intrinsics
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// i.e. llvm.element.unordered.atomic.memset/memcpy/memmove
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class AtomicMemIntrinsic : public MemIntrinsicBase<AtomicMemIntrinsic> {
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private:
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enum { ARG_ELEMENTSIZE = 3 };
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public:
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Value *getRawElementSizeInBytes() const {
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return const_cast<Value *>(getArgOperand(ARG_ELEMENTSIZE));
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}
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ConstantInt *getElementSizeInBytesCst() const {
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return cast<ConstantInt>(getRawElementSizeInBytes());
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}
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uint32_t getElementSizeInBytes() const {
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return getElementSizeInBytesCst()->getZExtValue();
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}
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void setElementSizeInBytes(Constant *V) {
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assert(V->getType() == Type::getInt8Ty(getContext()) &&
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"setElementSizeInBytes called with value of wrong type!");
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setArgOperand(ARG_ELEMENTSIZE, V);
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}
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static bool classof(const IntrinsicInst *I) {
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switch (I->getIntrinsicID()) {
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case Intrinsic::memcpy_element_unordered_atomic:
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case Intrinsic::memmove_element_unordered_atomic:
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case Intrinsic::memset_element_unordered_atomic:
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return true;
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default:
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return false;
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}
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}
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static bool classof(const Value *V) {
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return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
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|
}
|
|
};
|
|
|
|
/// This class represents atomic memset intrinsic
|
|
// i.e. llvm.element.unordered.atomic.memset
|
|
class AtomicMemSetInst : public MemSetBase<AtomicMemIntrinsic> {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::memset_element_unordered_atomic;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
// This class wraps the atomic memcpy/memmove intrinsics
|
|
// i.e. llvm.element.unordered.atomic.memcpy/memmove
|
|
class AtomicMemTransferInst : public MemTransferBase<AtomicMemIntrinsic> {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
switch (I->getIntrinsicID()) {
|
|
case Intrinsic::memcpy_element_unordered_atomic:
|
|
case Intrinsic::memmove_element_unordered_atomic:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class represents the atomic memcpy intrinsic
|
|
/// i.e. llvm.element.unordered.atomic.memcpy
|
|
class AtomicMemCpyInst : public AtomicMemTransferInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::memcpy_element_unordered_atomic;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class represents the atomic memmove intrinsic
|
|
/// i.e. llvm.element.unordered.atomic.memmove
|
|
class AtomicMemMoveInst : public AtomicMemTransferInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::memmove_element_unordered_atomic;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This is the common base class for memset/memcpy/memmove.
|
|
class MemIntrinsic : public MemIntrinsicBase<MemIntrinsic> {
|
|
private:
|
|
enum { ARG_VOLATILE = 3 };
|
|
|
|
public:
|
|
ConstantInt *getVolatileCst() const {
|
|
return cast<ConstantInt>(
|
|
const_cast<Value *>(getArgOperand(ARG_VOLATILE)));
|
|
}
|
|
|
|
bool isVolatile() const {
|
|
return !getVolatileCst()->isZero();
|
|
}
|
|
|
|
void setVolatile(Constant *V) { setArgOperand(ARG_VOLATILE, V); }
|
|
|
|
// Methods for support type inquiry through isa, cast, and dyn_cast:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
switch (I->getIntrinsicID()) {
|
|
case Intrinsic::memcpy:
|
|
case Intrinsic::memmove:
|
|
case Intrinsic::memset:
|
|
case Intrinsic::memcpy_inline:
|
|
return true;
|
|
default: return false;
|
|
}
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class wraps the llvm.memset intrinsic.
|
|
class MemSetInst : public MemSetBase<MemIntrinsic> {
|
|
public:
|
|
// Methods for support type inquiry through isa, cast, and dyn_cast:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::memset;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class wraps the llvm.memcpy/memmove intrinsics.
|
|
class MemTransferInst : public MemTransferBase<MemIntrinsic> {
|
|
public:
|
|
// Methods for support type inquiry through isa, cast, and dyn_cast:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
switch (I->getIntrinsicID()) {
|
|
case Intrinsic::memcpy:
|
|
case Intrinsic::memmove:
|
|
case Intrinsic::memcpy_inline:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class wraps the llvm.memcpy intrinsic.
|
|
class MemCpyInst : public MemTransferInst {
|
|
public:
|
|
// Methods for support type inquiry through isa, cast, and dyn_cast:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::memcpy;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class wraps the llvm.memmove intrinsic.
|
|
class MemMoveInst : public MemTransferInst {
|
|
public:
|
|
// Methods for support type inquiry through isa, cast, and dyn_cast:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::memmove;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class wraps the llvm.memcpy.inline intrinsic.
|
|
class MemCpyInlineInst : public MemTransferInst {
|
|
public:
|
|
ConstantInt *getLength() const {
|
|
return cast<ConstantInt>(MemTransferInst::getLength());
|
|
}
|
|
// Methods for support type inquiry through isa, cast, and dyn_cast:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::memcpy_inline;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
// The common base class for any memset/memmove/memcpy intrinsics;
|
|
// whether they be atomic or non-atomic.
|
|
// i.e. llvm.element.unordered.atomic.memset/memcpy/memmove
|
|
// and llvm.memset/memcpy/memmove
|
|
class AnyMemIntrinsic : public MemIntrinsicBase<AnyMemIntrinsic> {
|
|
public:
|
|
bool isVolatile() const {
|
|
// Only the non-atomic intrinsics can be volatile
|
|
if (auto *MI = dyn_cast<MemIntrinsic>(this))
|
|
return MI->isVolatile();
|
|
return false;
|
|
}
|
|
|
|
static bool classof(const IntrinsicInst *I) {
|
|
switch (I->getIntrinsicID()) {
|
|
case Intrinsic::memcpy:
|
|
case Intrinsic::memcpy_inline:
|
|
case Intrinsic::memmove:
|
|
case Intrinsic::memset:
|
|
case Intrinsic::memcpy_element_unordered_atomic:
|
|
case Intrinsic::memmove_element_unordered_atomic:
|
|
case Intrinsic::memset_element_unordered_atomic:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class represents any memset intrinsic
|
|
// i.e. llvm.element.unordered.atomic.memset
|
|
// and llvm.memset
|
|
class AnyMemSetInst : public MemSetBase<AnyMemIntrinsic> {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
switch (I->getIntrinsicID()) {
|
|
case Intrinsic::memset:
|
|
case Intrinsic::memset_element_unordered_atomic:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
// This class wraps any memcpy/memmove intrinsics
|
|
// i.e. llvm.element.unordered.atomic.memcpy/memmove
|
|
// and llvm.memcpy/memmove
|
|
class AnyMemTransferInst : public MemTransferBase<AnyMemIntrinsic> {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
switch (I->getIntrinsicID()) {
|
|
case Intrinsic::memcpy:
|
|
case Intrinsic::memcpy_inline:
|
|
case Intrinsic::memmove:
|
|
case Intrinsic::memcpy_element_unordered_atomic:
|
|
case Intrinsic::memmove_element_unordered_atomic:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class represents any memcpy intrinsic
|
|
/// i.e. llvm.element.unordered.atomic.memcpy
|
|
/// and llvm.memcpy
|
|
class AnyMemCpyInst : public AnyMemTransferInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
switch (I->getIntrinsicID()) {
|
|
case Intrinsic::memcpy:
|
|
case Intrinsic::memcpy_inline:
|
|
case Intrinsic::memcpy_element_unordered_atomic:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This class represents any memmove intrinsic
|
|
/// i.e. llvm.element.unordered.atomic.memmove
|
|
/// and llvm.memmove
|
|
class AnyMemMoveInst : public AnyMemTransferInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
switch (I->getIntrinsicID()) {
|
|
case Intrinsic::memmove:
|
|
case Intrinsic::memmove_element_unordered_atomic:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This represents the llvm.va_start intrinsic.
|
|
class VAStartInst : public IntrinsicInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::vastart;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
|
|
Value *getArgList() const { return const_cast<Value*>(getArgOperand(0)); }
|
|
};
|
|
|
|
/// This represents the llvm.va_end intrinsic.
|
|
class VAEndInst : public IntrinsicInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::vaend;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
|
|
Value *getArgList() const { return const_cast<Value*>(getArgOperand(0)); }
|
|
};
|
|
|
|
/// This represents the llvm.va_copy intrinsic.
|
|
class VACopyInst : public IntrinsicInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::vacopy;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
|
|
Value *getDest() const { return const_cast<Value*>(getArgOperand(0)); }
|
|
Value *getSrc() const { return const_cast<Value*>(getArgOperand(1)); }
|
|
};
|
|
|
|
/// This represents the llvm.instrprof_increment intrinsic.
|
|
class InstrProfIncrementInst : public IntrinsicInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::instrprof_increment;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
|
|
GlobalVariable *getName() const {
|
|
return cast<GlobalVariable>(
|
|
const_cast<Value *>(getArgOperand(0))->stripPointerCasts());
|
|
}
|
|
|
|
ConstantInt *getHash() const {
|
|
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(1)));
|
|
}
|
|
|
|
ConstantInt *getNumCounters() const {
|
|
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(2)));
|
|
}
|
|
|
|
ConstantInt *getIndex() const {
|
|
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(3)));
|
|
}
|
|
|
|
Value *getStep() const;
|
|
};
|
|
|
|
class InstrProfIncrementInstStep : public InstrProfIncrementInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::instrprof_increment_step;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
};
|
|
|
|
/// This represents the llvm.instrprof_value_profile intrinsic.
|
|
class InstrProfValueProfileInst : public IntrinsicInst {
|
|
public:
|
|
static bool classof(const IntrinsicInst *I) {
|
|
return I->getIntrinsicID() == Intrinsic::instrprof_value_profile;
|
|
}
|
|
static bool classof(const Value *V) {
|
|
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
|
|
}
|
|
|
|
GlobalVariable *getName() const {
|
|
return cast<GlobalVariable>(
|
|
const_cast<Value *>(getArgOperand(0))->stripPointerCasts());
|
|
}
|
|
|
|
ConstantInt *getHash() const {
|
|
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(1)));
|
|
}
|
|
|
|
Value *getTargetValue() const {
|
|
return cast<Value>(const_cast<Value *>(getArgOperand(2)));
|
|
}
|
|
|
|
ConstantInt *getValueKind() const {
|
|
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(3)));
|
|
}
|
|
|
|
// Returns the value site index.
|
|
ConstantInt *getIndex() const {
|
|
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(4)));
|
|
}
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif // LLVM_IR_INTRINSICINST_H
|