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-rw-r--r--include/llvm/IntrinsicInst.h316
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diff --git a/include/llvm/IntrinsicInst.h b/include/llvm/IntrinsicInst.h
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-//===-- llvm/IntrinsicInst.h - Intrinsic Instruction Wrappers ---*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines classes that make it really easy to deal with intrinsic
-// functions with the isa/dyncast family of functions. In particular, this
-// allows you to do things like:
-//
-// if (MemCpyInst *MCI = dyn_cast<MemCpyInst>(Inst))
-// ... MCI->getDest() ... MCI->getSource() ...
-//
-// All intrinsic function calls are instances of the call instruction, so these
-// are all subclasses of the CallInst class. Note that none of these classes
-// has state or virtual methods, which is an important part of this gross/neat
-// hack working.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_INTRINSICINST_H
-#define LLVM_INTRINSICINST_H
-
-#include "llvm/Constants.h"
-#include "llvm/Function.h"
-#include "llvm/Instructions.h"
-#include "llvm/Intrinsics.h"
-
-namespace llvm {
- /// IntrinsicInst - A useful wrapper class for inspecting calls to intrinsic
- /// functions. This allows the standard isa/dyncast/cast functionality to
- /// work with calls to intrinsic functions.
- class IntrinsicInst : public CallInst {
- IntrinsicInst() LLVM_DELETED_FUNCTION;
- IntrinsicInst(const IntrinsicInst&) LLVM_DELETED_FUNCTION;
- void operator=(const IntrinsicInst&) LLVM_DELETED_FUNCTION;
- public:
- /// getIntrinsicID - Return the intrinsic ID of this intrinsic.
- ///
- Intrinsic::ID getIntrinsicID() const {
- return (Intrinsic::ID)getCalledFunction()->getIntrinsicID();
- }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const CallInst *I) {
- if (const Function *CF = I->getCalledFunction())
- return CF->getIntrinsicID() != 0;
- return false;
- }
- static inline bool classof(const Value *V) {
- return isa<CallInst>(V) && classof(cast<CallInst>(V));
- }
- };
-
- /// DbgInfoIntrinsic - This is the common base class for debug info intrinsics
- ///
- class DbgInfoIntrinsic : public IntrinsicInst {
- public:
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IntrinsicInst *I) {
- switch (I->getIntrinsicID()) {
- case Intrinsic::dbg_declare:
- case Intrinsic::dbg_value:
- return true;
- default: return false;
- }
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
-
- static Value *StripCast(Value *C);
- };
-
- /// DbgDeclareInst - This represents the llvm.dbg.declare instruction.
- ///
- class DbgDeclareInst : public DbgInfoIntrinsic {
- public:
- Value *getAddress() const;
- MDNode *getVariable() const { return cast<MDNode>(getArgOperand(1)); }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IntrinsicInst *I) {
- return I->getIntrinsicID() == Intrinsic::dbg_declare;
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
- };
-
- /// DbgValueInst - This represents the llvm.dbg.value instruction.
- ///
- class DbgValueInst : public DbgInfoIntrinsic {
- public:
- const Value *getValue() const;
- Value *getValue();
- uint64_t getOffset() const {
- return cast<ConstantInt>(
- const_cast<Value*>(getArgOperand(1)))->getZExtValue();
- }
- MDNode *getVariable() const { return cast<MDNode>(getArgOperand(2)); }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IntrinsicInst *I) {
- return I->getIntrinsicID() == Intrinsic::dbg_value;
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
- };
-
- /// MemIntrinsic - This is the common base class for memset/memcpy/memmove.
- ///
- class MemIntrinsic : public IntrinsicInst {
- public:
- Value *getRawDest() const { return const_cast<Value*>(getArgOperand(0)); }
-
- Value *getLength() const { return const_cast<Value*>(getArgOperand(2)); }
- ConstantInt *getAlignmentCst() const {
- return cast<ConstantInt>(const_cast<Value*>(getArgOperand(3)));
- }
-
- unsigned getAlignment() const {
- return getAlignmentCst()->getZExtValue();
- }
-
- ConstantInt *getVolatileCst() const {
- return cast<ConstantInt>(const_cast<Value*>(getArgOperand(4)));
- }
- bool isVolatile() const {
- return !getVolatileCst()->isZero();
- }
-
- unsigned getDestAddressSpace() const {
- return cast<PointerType>(getRawDest()->getType())->getAddressSpace();
- }
-
- /// getDest - This is just like getRawDest, but it strips off any cast
- /// instructions that feed it, giving the original input. The returned
- /// value is guaranteed to be a pointer.
- Value *getDest() const { return getRawDest()->stripPointerCasts(); }
-
- /// set* - Set the specified arguments of the instruction.
- ///
- void setDest(Value *Ptr) {
- assert(getRawDest()->getType() == Ptr->getType() &&
- "setDest called with pointer of wrong type!");
- setArgOperand(0, Ptr);
- }
-
- void setLength(Value *L) {
- assert(getLength()->getType() == L->getType() &&
- "setLength called with value of wrong type!");
- setArgOperand(2, L);
- }
-
- void setAlignment(Constant* A) {
- setArgOperand(3, A);
- }
-
- void setVolatile(Constant* V) {
- setArgOperand(4, V);
- }
-
- Type *getAlignmentType() const {
- return getArgOperand(3)->getType();
- }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IntrinsicInst *I) {
- switch (I->getIntrinsicID()) {
- case Intrinsic::memcpy:
- case Intrinsic::memmove:
- case Intrinsic::memset:
- return true;
- default: return false;
- }
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
- };
-
- /// MemSetInst - This class wraps the llvm.memset intrinsic.
- ///
- class MemSetInst : public MemIntrinsic {
- public:
- /// get* - Return the arguments to the instruction.
- ///
- Value *getValue() const { return const_cast<Value*>(getArgOperand(1)); }
-
- void setValue(Value *Val) {
- assert(getValue()->getType() == Val->getType() &&
- "setValue called with value of wrong type!");
- setArgOperand(1, Val);
- }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IntrinsicInst *I) {
- return I->getIntrinsicID() == Intrinsic::memset;
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
- };
-
- /// MemTransferInst - This class wraps the llvm.memcpy/memmove intrinsics.
- ///
- class MemTransferInst : public MemIntrinsic {
- public:
- /// get* - Return the arguments to the instruction.
- ///
- Value *getRawSource() const { return const_cast<Value*>(getArgOperand(1)); }
-
- /// getSource - This is just like getRawSource, but it strips off any cast
- /// instructions that feed it, giving the original input. The returned
- /// value is guaranteed to be a pointer.
- Value *getSource() const { return getRawSource()->stripPointerCasts(); }
-
- unsigned getSourceAddressSpace() const {
- return cast<PointerType>(getRawSource()->getType())->getAddressSpace();
- }
-
- void setSource(Value *Ptr) {
- assert(getRawSource()->getType() == Ptr->getType() &&
- "setSource called with pointer of wrong type!");
- setArgOperand(1, Ptr);
- }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IntrinsicInst *I) {
- return I->getIntrinsicID() == Intrinsic::memcpy ||
- I->getIntrinsicID() == Intrinsic::memmove;
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
- };
-
-
- /// MemCpyInst - This class wraps the llvm.memcpy intrinsic.
- ///
- class MemCpyInst : public MemTransferInst {
- public:
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IntrinsicInst *I) {
- return I->getIntrinsicID() == Intrinsic::memcpy;
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
- };
-
- /// MemMoveInst - This class wraps the llvm.memmove intrinsic.
- ///
- class MemMoveInst : public MemTransferInst {
- public:
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IntrinsicInst *I) {
- return I->getIntrinsicID() == Intrinsic::memmove;
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
- };
-
- /// VAStartInst - This represents the llvm.va_start intrinsic.
- ///
- class VAStartInst : public IntrinsicInst {
- public:
- static inline bool classof(const IntrinsicInst *I) {
- return I->getIntrinsicID() == Intrinsic::vastart;
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
-
- Value *getArgList() const { return const_cast<Value*>(getArgOperand(0)); }
- };
-
- /// VAEndInst - This represents the llvm.va_end intrinsic.
- ///
- class VAEndInst : public IntrinsicInst {
- public:
- static inline bool classof(const IntrinsicInst *I) {
- return I->getIntrinsicID() == Intrinsic::vaend;
- }
- static inline bool classof(const Value *V) {
- return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
- }
-
- Value *getArgList() const { return const_cast<Value*>(getArgOperand(0)); }
- };
-
- /// VACopyInst - This represents the llvm.va_copy intrinsic.
- ///
- class VACopyInst : public IntrinsicInst {
- public:
- static inline bool classof(const IntrinsicInst *I) {
- return I->getIntrinsicID() == Intrinsic::vacopy;
- }
- static inline 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)); }
- };
-
-}
-
-#endif
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