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Diffstat (limited to 'contrib/llvm/include/llvm/IR/IntrinsicInst.h')
-rw-r--r-- | contrib/llvm/include/llvm/IR/IntrinsicInst.h | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/contrib/llvm/include/llvm/IR/IntrinsicInst.h b/contrib/llvm/include/llvm/IR/IntrinsicInst.h new file mode 100644 index 0000000..8344c56 --- /dev/null +++ b/contrib/llvm/include/llvm/IR/IntrinsicInst.h @@ -0,0 +1,316 @@ +//===-- 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_IR_INTRINSICINST_H +#define LLVM_IR_INTRINSICINST_H + +#include "llvm/IR/Constants.h" +#include "llvm/IR/Function.h" +#include "llvm/IR/Instructions.h" +#include "llvm/IR/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->isIntrinsic(); + 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 |