#ifndef LLVM_SUPPORT_IRBUILDER_H
#define LLVM_SUPPORT_IRBUILDER_H
-#include "llvm/Constants.h"
#include "llvm/Instructions.h"
-#include "llvm/GlobalAlias.h"
-#include "llvm/GlobalVariable.h"
-#include "llvm/Function.h"
-#include "llvm/LLVMContext.h"
+#include "llvm/BasicBlock.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Twine.h"
#include "llvm/Support/ConstantFolder.h"
namespace llvm {
+ class MDNode;
-/// IRBuilder - This provides a uniform API for creating instructions and
-/// inserting them into a basic block: either at the end of a BasicBlock, or
-/// at a specific iterator location in a block.
-///
-/// Note that the builder does not expose the full generality of LLVM
-/// instructions. For example, it cannot be used to create instructions with
-/// arbitrary names (specifically, names with nul characters in them) - It only
-/// supports nul-terminated C strings. For fully generic names, use
-/// I->setName(). For access to extra instruction properties, use the mutators
-/// (e.g. setVolatile) on the instructions after they have been created.
-/// The first template argument handles whether or not to preserve names in the
-/// final instruction output. This defaults to on. The second template argument
-/// specifies a class to use for creating constants. This defaults to creating
-/// minimally folded constants.
-template <bool preserveNames=true, typename T = ConstantFolder> class IRBuilder{
+/// IRBuilderDefaultInserter - This provides the default implementation of the
+/// IRBuilder 'InsertHelper' method that is called whenever an instruction is
+/// created by IRBuilder and needs to be inserted. By default, this inserts the
+/// instruction at the insertion point.
+template <bool preserveNames = true>
+class IRBuilderDefaultInserter {
+protected:
+ void InsertHelper(Instruction *I, const Twine &Name,
+ BasicBlock *BB, BasicBlock::iterator InsertPt) const {
+ if (BB) BB->getInstList().insert(InsertPt, I);
+ if (preserveNames)
+ I->setName(Name);
+ }
+};
+
+/// IRBuilderBase - Common base class shared among various IRBuilders.
+class IRBuilderBase {
+ DebugLoc CurDbgLocation;
+protected:
BasicBlock *BB;
BasicBlock::iterator InsertPt;
LLVMContext &Context;
- T Folder;
public:
- IRBuilder(LLVMContext &C, const T& F) :
- Context(C), Folder(F) { ClearInsertionPoint(); }
-
- IRBuilder(LLVMContext &C) : Context(C), Folder(C) { ClearInsertionPoint(); }
-
- explicit IRBuilder(BasicBlock *TheBB, const T& F)
- : Context(TheBB->getContext()), Folder(F) {
- SetInsertPoint(TheBB);
- }
-
- explicit IRBuilder(BasicBlock *TheBB)
- : Context(TheBB->getContext()), Folder(Context) {
- SetInsertPoint(TheBB);
- }
-
- IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F)
- : Context(TheBB->getContext()), Folder(F) {
- SetInsertPoint(TheBB, IP);
- }
-
- IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP)
- : Context(TheBB->getContext()), Folder(Context) {
- SetInsertPoint(TheBB, IP);
- }
- /// getFolder - Get the constant folder being used.
- const T& getFolder() { return Folder; }
+ IRBuilderBase(LLVMContext &context)
+ : Context(context) {
+ ClearInsertionPoint();
+ }
- /// isNamePreserving - Return true if this builder is configured to actually
- /// add the requested names to IR created through it.
- bool isNamePreserving() const { return preserveNames; }
-
//===--------------------------------------------------------------------===//
// Builder configuration methods
//===--------------------------------------------------------------------===//
}
BasicBlock *GetInsertBlock() const { return BB; }
-
BasicBlock::iterator GetInsertPoint() const { return InsertPt; }
+ LLVMContext &getContext() const { return Context; }
/// SetInsertPoint - This specifies that created instructions should be
/// appended to the end of the specified block.
InsertPt = BB->end();
}
+ /// SetInsertPoint - This specifies that created instructions should be
+ /// inserted before the specified instruction.
+ void SetInsertPoint(Instruction *I) {
+ BB = I->getParent();
+ InsertPt = I;
+ SetCurrentDebugLocation(I->getDebugLoc());
+ }
+
/// SetInsertPoint - This specifies that created instructions should be
/// inserted at the specified point.
void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP) {
InsertPt = IP;
}
+ /// SetInsertPoint(Use) - Find the nearest point that dominates this use, and
+ /// specify that created instructions should be inserted at this point.
+ void SetInsertPoint(Use &U) {
+ Instruction *UseInst = cast<Instruction>(U.getUser());
+ if (PHINode *Phi = dyn_cast<PHINode>(UseInst)) {
+ BasicBlock *PredBB = Phi->getIncomingBlock(U);
+ assert(U != PredBB->getTerminator() && "critical edge not split");
+ SetInsertPoint(PredBB, PredBB->getTerminator());
+ return;
+ }
+ SetInsertPoint(UseInst);
+ }
+
+ /// SetCurrentDebugLocation - Set location information used by debugging
+ /// information.
+ void SetCurrentDebugLocation(const DebugLoc &L) {
+ CurDbgLocation = L;
+ }
+
+ /// getCurrentDebugLocation - Get location information used by debugging
+ /// information.
+ DebugLoc getCurrentDebugLocation() const { return CurDbgLocation; }
+
+ /// SetInstDebugLocation - If this builder has a current debug location, set
+ /// it on the specified instruction.
+ void SetInstDebugLocation(Instruction *I) const {
+ if (!CurDbgLocation.isUnknown())
+ I->setDebugLoc(CurDbgLocation);
+ }
+
+ /// getCurrentFunctionReturnType - Get the return type of the current function
+ /// that we're emitting into.
+ Type *getCurrentFunctionReturnType() const;
+
+ /// InsertPoint - A saved insertion point.
+ class InsertPoint {
+ BasicBlock *Block;
+ BasicBlock::iterator Point;
+
+ public:
+ /// Creates a new insertion point which doesn't point to anything.
+ InsertPoint() : Block(0) {}
+
+ /// Creates a new insertion point at the given location.
+ InsertPoint(BasicBlock *InsertBlock, BasicBlock::iterator InsertPoint)
+ : Block(InsertBlock), Point(InsertPoint) {}
+
+ /// isSet - Returns true if this insert point is set.
+ bool isSet() const { return (Block != 0); }
+
+ llvm::BasicBlock *getBlock() const { return Block; }
+ llvm::BasicBlock::iterator getPoint() const { return Point; }
+ };
+
+ /// saveIP - Returns the current insert point.
+ InsertPoint saveIP() const {
+ return InsertPoint(GetInsertBlock(), GetInsertPoint());
+ }
+
+ /// saveAndClearIP - Returns the current insert point, clearing it
+ /// in the process.
+ InsertPoint saveAndClearIP() {
+ InsertPoint IP(GetInsertBlock(), GetInsertPoint());
+ ClearInsertionPoint();
+ return IP;
+ }
+
+ /// restoreIP - Sets the current insert point to a previously-saved
+ /// location.
+ void restoreIP(InsertPoint IP) {
+ if (IP.isSet())
+ SetInsertPoint(IP.getBlock(), IP.getPoint());
+ else
+ ClearInsertionPoint();
+ }
+
+ //===--------------------------------------------------------------------===//
+ // Miscellaneous creation methods.
+ //===--------------------------------------------------------------------===//
+
+ /// CreateGlobalString - Make a new global variable with an initializer that
+ /// has array of i8 type filled in with the nul terminated string value
+ /// specified. The new global variable will be marked mergable with any
+ /// others of the same contents. If Name is specified, it is the name of the
+ /// global variable created.
+ Value *CreateGlobalString(StringRef Str, const Twine &Name = "");
+
+ /// getInt1 - Get a constant value representing either true or false.
+ ConstantInt *getInt1(bool V) {
+ return ConstantInt::get(getInt1Ty(), V);
+ }
+
+ /// getTrue - Get the constant value for i1 true.
+ ConstantInt *getTrue() {
+ return ConstantInt::getTrue(Context);
+ }
+
+ /// getFalse - Get the constant value for i1 false.
+ ConstantInt *getFalse() {
+ return ConstantInt::getFalse(Context);
+ }
+
+ /// getInt8 - Get a constant 8-bit value.
+ ConstantInt *getInt8(uint8_t C) {
+ return ConstantInt::get(getInt8Ty(), C);
+ }
+
+ /// getInt16 - Get a constant 16-bit value.
+ ConstantInt *getInt16(uint16_t C) {
+ return ConstantInt::get(getInt16Ty(), C);
+ }
+
+ /// getInt32 - Get a constant 32-bit value.
+ ConstantInt *getInt32(uint32_t C) {
+ return ConstantInt::get(getInt32Ty(), C);
+ }
+
+ /// getInt64 - Get a constant 64-bit value.
+ ConstantInt *getInt64(uint64_t C) {
+ return ConstantInt::get(getInt64Ty(), C);
+ }
+
+ /// getInt - Get a constant integer value.
+ ConstantInt *getInt(const APInt &AI) {
+ return ConstantInt::get(Context, AI);
+ }
+
+ //===--------------------------------------------------------------------===//
+ // Type creation methods
+ //===--------------------------------------------------------------------===//
+
+ /// getInt1Ty - Fetch the type representing a single bit
+ IntegerType *getInt1Ty() {
+ return Type::getInt1Ty(Context);
+ }
+
+ /// getInt8Ty - Fetch the type representing an 8-bit integer.
+ IntegerType *getInt8Ty() {
+ return Type::getInt8Ty(Context);
+ }
+
+ /// getInt16Ty - Fetch the type representing a 16-bit integer.
+ IntegerType *getInt16Ty() {
+ return Type::getInt16Ty(Context);
+ }
+
+ /// getInt32Ty - Fetch the type resepresenting a 32-bit integer.
+ IntegerType *getInt32Ty() {
+ return Type::getInt32Ty(Context);
+ }
+
+ /// getInt64Ty - Fetch the type representing a 64-bit integer.
+ IntegerType *getInt64Ty() {
+ return Type::getInt64Ty(Context);
+ }
+
+ /// getFloatTy - Fetch the type representing a 32-bit floating point value.
+ Type *getFloatTy() {
+ return Type::getFloatTy(Context);
+ }
+
+ /// getDoubleTy - Fetch the type representing a 64-bit floating point value.
+ Type *getDoubleTy() {
+ return Type::getDoubleTy(Context);
+ }
+
+ /// getVoidTy - Fetch the type representing void.
+ Type *getVoidTy() {
+ return Type::getVoidTy(Context);
+ }
+
+ PointerType *getInt8PtrTy(unsigned AddrSpace = 0) {
+ return Type::getInt8PtrTy(Context, AddrSpace);
+ }
+
+ //===--------------------------------------------------------------------===//
+ // Intrinsic creation methods
+ //===--------------------------------------------------------------------===//
+
+ /// CreateMemSet - Create and insert a memset to the specified pointer and the
+ /// specified value. If the pointer isn't an i8*, it will be converted. If a
+ /// TBAA tag is specified, it will be added to the instruction.
+ CallInst *CreateMemSet(Value *Ptr, Value *Val, uint64_t Size, unsigned Align,
+ bool isVolatile = false, MDNode *TBAATag = 0) {
+ return CreateMemSet(Ptr, Val, getInt64(Size), Align, isVolatile, TBAATag);
+ }
+
+ CallInst *CreateMemSet(Value *Ptr, Value *Val, Value *Size, unsigned Align,
+ bool isVolatile = false, MDNode *TBAATag = 0);
+
+ /// CreateMemCpy - Create and insert a memcpy between the specified pointers.
+ /// If the pointers aren't i8*, they will be converted. If a TBAA tag is
+ /// specified, it will be added to the instruction.
+ CallInst *CreateMemCpy(Value *Dst, Value *Src, uint64_t Size, unsigned Align,
+ bool isVolatile = false, MDNode *TBAATag = 0) {
+ return CreateMemCpy(Dst, Src, getInt64(Size), Align, isVolatile, TBAATag);
+ }
+
+ CallInst *CreateMemCpy(Value *Dst, Value *Src, Value *Size, unsigned Align,
+ bool isVolatile = false, MDNode *TBAATag = 0);
+
+ /// CreateMemMove - Create and insert a memmove between the specified
+ /// pointers. If the pointers aren't i8*, they will be converted. If a TBAA
+ /// tag is specified, it will be added to the instruction.
+ CallInst *CreateMemMove(Value *Dst, Value *Src, uint64_t Size, unsigned Align,
+ bool isVolatile = false, MDNode *TBAATag = 0) {
+ return CreateMemMove(Dst, Src, getInt64(Size), Align, isVolatile, TBAATag);
+ }
+
+ CallInst *CreateMemMove(Value *Dst, Value *Src, Value *Size, unsigned Align,
+ bool isVolatile = false, MDNode *TBAATag = 0);
+
+ /// CreateLifetimeStart - Create a lifetime.start intrinsic. If the pointer
+ /// isn't i8* it will be converted.
+ CallInst *CreateLifetimeStart(Value *Ptr, ConstantInt *Size = 0);
+
+ /// CreateLifetimeEnd - Create a lifetime.end intrinsic. If the pointer isn't
+ /// i8* it will be converted.
+ CallInst *CreateLifetimeEnd(Value *Ptr, ConstantInt *Size = 0);
+
+private:
+ Value *getCastedInt8PtrValue(Value *Ptr);
+};
+
+/// IRBuilder - This provides a uniform API for creating instructions and
+/// inserting them into a basic block: either at the end of a BasicBlock, or
+/// at a specific iterator location in a block.
+///
+/// Note that the builder does not expose the full generality of LLVM
+/// instructions. For access to extra instruction properties, use the mutators
+/// (e.g. setVolatile) on the instructions after they have been created.
+/// The first template argument handles whether or not to preserve names in the
+/// final instruction output. This defaults to on. The second template argument
+/// specifies a class to use for creating constants. This defaults to creating
+/// minimally folded constants. The fourth template argument allows clients to
+/// specify custom insertion hooks that are called on every newly created
+/// insertion.
+template<bool preserveNames = true, typename T = ConstantFolder,
+ typename Inserter = IRBuilderDefaultInserter<preserveNames> >
+class IRBuilder : public IRBuilderBase, public Inserter {
+ T Folder;
+public:
+ IRBuilder(LLVMContext &C, const T &F, const Inserter &I = Inserter())
+ : IRBuilderBase(C), Inserter(I), Folder(F) {
+ }
+
+ explicit IRBuilder(LLVMContext &C) : IRBuilderBase(C), Folder() {
+ }
+
+ explicit IRBuilder(BasicBlock *TheBB, const T &F)
+ : IRBuilderBase(TheBB->getContext()), Folder(F) {
+ SetInsertPoint(TheBB);
+ }
+
+ explicit IRBuilder(BasicBlock *TheBB)
+ : IRBuilderBase(TheBB->getContext()), Folder() {
+ SetInsertPoint(TheBB);
+ }
+
+ explicit IRBuilder(Instruction *IP)
+ : IRBuilderBase(IP->getContext()), Folder() {
+ SetInsertPoint(IP);
+ SetCurrentDebugLocation(IP->getDebugLoc());
+ }
+
+ explicit IRBuilder(Use &U)
+ : IRBuilderBase(U->getContext()), Folder() {
+ SetInsertPoint(U);
+ SetCurrentDebugLocation(cast<Instruction>(U.getUser())->getDebugLoc());
+ }
+
+ IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F)
+ : IRBuilderBase(TheBB->getContext()), Folder(F) {
+ SetInsertPoint(TheBB, IP);
+ }
+
+ IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP)
+ : IRBuilderBase(TheBB->getContext()), Folder() {
+ SetInsertPoint(TheBB, IP);
+ }
+
+ /// getFolder - Get the constant folder being used.
+ const T &getFolder() { return Folder; }
+
+ /// isNamePreserving - Return true if this builder is configured to actually
+ /// add the requested names to IR created through it.
+ bool isNamePreserving() const { return preserveNames; }
+
/// Insert - Insert and return the specified instruction.
template<typename InstTy>
- InstTy *Insert(InstTy *I, const char *Name = "") const {
- InsertHelper(I, Name);
+ InstTy *Insert(InstTy *I, const Twine &Name = "") const {
+ this->InsertHelper(I, Name, BB, InsertPt);
+ if (!getCurrentDebugLocation().isUnknown())
+ this->SetInstDebugLocation(I);
return I;
}
- /// InsertHelper - Insert the specified instruction at the specified insertion
- /// point. This is split out of Insert so that it isn't duplicated for every
- /// template instantiation.
- void InsertHelper(Instruction *I, const char *Name) const {
- if (BB) BB->getInstList().insert(InsertPt, I);
- if (preserveNames && Name[0])
- I->setName(Name);
+ /// Insert - No-op overload to handle constants.
+ Constant *Insert(Constant *C, const Twine& = "") const {
+ return C;
}
//===--------------------------------------------------------------------===//
/// CreateRetVoid - Create a 'ret void' instruction.
ReturnInst *CreateRetVoid() {
- return Insert(ReturnInst::Create());
+ return Insert(ReturnInst::Create(Context));
}
/// @verbatim
/// CreateRet - Create a 'ret <val>' instruction.
/// @endverbatim
ReturnInst *CreateRet(Value *V) {
- return Insert(ReturnInst::Create(V));
+ return Insert(ReturnInst::Create(Context, V));
}
/// CreateAggregateRet - Create a sequence of N insertvalue instructions,
/// code that uses aggregate return values as a vehicle for having
/// multiple return values.
///
- ReturnInst *CreateAggregateRet(Value * const* retVals, unsigned N) {
- const Type *RetType = BB->getParent()->getReturnType();
- Value *V = Context.getUndef(RetType);
+ ReturnInst *CreateAggregateRet(Value *const *retVals, unsigned N) {
+ Value *V = UndefValue::get(getCurrentFunctionReturnType());
for (unsigned i = 0; i != N; ++i)
V = CreateInsertValue(V, retVals[i], i, "mrv");
- return Insert(ReturnInst::Create(V));
+ return Insert(ReturnInst::Create(Context, V));
}
/// CreateBr - Create an unconditional 'br label X' instruction.
return Insert(SwitchInst::Create(V, Dest, NumCases));
}
- /// CreateInvoke - Create an invoke instruction.
- template<typename InputIterator>
+ /// CreateIndirectBr - Create an indirect branch instruction with the
+ /// specified address operand, with an optional hint for the number of
+ /// destinations that will be added (for efficient allocation).
+ IndirectBrInst *CreateIndirectBr(Value *Addr, unsigned NumDests = 10) {
+ return Insert(IndirectBrInst::Create(Addr, NumDests));
+ }
+
InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
- BasicBlock *UnwindDest, InputIterator ArgBegin,
- InputIterator ArgEnd, const char *Name = "") {
+ BasicBlock *UnwindDest, const Twine &Name = "") {
return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest,
- ArgBegin, ArgEnd), Name);
+ ArrayRef<Value *>()),
+ Name);
+ }
+ InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
+ BasicBlock *UnwindDest, Value *Arg1,
+ const Twine &Name = "") {
+ return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Arg1),
+ Name);
+ }
+ InvokeInst *CreateInvoke3(Value *Callee, BasicBlock *NormalDest,
+ BasicBlock *UnwindDest, Value *Arg1,
+ Value *Arg2, Value *Arg3,
+ const Twine &Name = "") {
+ Value *Args[] = { Arg1, Arg2, Arg3 };
+ return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args),
+ Name);
+ }
+ /// CreateInvoke - Create an invoke instruction.
+ InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
+ BasicBlock *UnwindDest, ArrayRef<Value *> Args,
+ const Twine &Name = "") {
+ return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args),
+ Name);
}
- UnwindInst *CreateUnwind() {
- return Insert(new UnwindInst());
+ ResumeInst *CreateResume(Value *Exn) {
+ return Insert(ResumeInst::Create(Exn));
}
UnreachableInst *CreateUnreachable() {
- return Insert(new UnreachableInst());
+ return Insert(new UnreachableInst(Context));
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Binary Operators
//===--------------------------------------------------------------------===//
-
- Value *CreateAdd(Value *LHS, Value *RHS, const char *Name = "") {
+private:
+ BinaryOperator *CreateInsertNUWNSWBinOp(BinaryOperator::BinaryOps Opc,
+ Value *LHS, Value *RHS,
+ const Twine &Name,
+ bool HasNUW, bool HasNSW) {
+ BinaryOperator *BO = Insert(BinaryOperator::Create(Opc, LHS, RHS), Name);
+ if (HasNUW) BO->setHasNoUnsignedWrap();
+ if (HasNSW) BO->setHasNoSignedWrap();
+ return BO;
+ }
+public:
+ Value *CreateAdd(Value *LHS, Value *RHS, const Twine &Name = "",
+ bool HasNUW = false, bool HasNSW = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateAdd(LC, RC);
- return Insert(BinaryOperator::CreateAdd(LHS, RHS), Name);
+ return Insert(Folder.CreateAdd(LC, RC, HasNUW, HasNSW), Name);
+ return CreateInsertNUWNSWBinOp(Instruction::Add, LHS, RHS, Name,
+ HasNUW, HasNSW);
+ }
+ Value *CreateNSWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
+ return CreateAdd(LHS, RHS, Name, false, true);
}
- Value *CreateFAdd(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateNUWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
+ return CreateAdd(LHS, RHS, Name, true, false);
+ }
+ Value *CreateFAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateFAdd(LC, RC);
+ return Insert(Folder.CreateFAdd(LC, RC), Name);
return Insert(BinaryOperator::CreateFAdd(LHS, RHS), Name);
}
- Value *CreateSub(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateSub(Value *LHS, Value *RHS, const Twine &Name = "",
+ bool HasNUW = false, bool HasNSW = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateSub(LC, RC);
- return Insert(BinaryOperator::CreateSub(LHS, RHS), Name);
+ return Insert(Folder.CreateSub(LC, RC), Name);
+ return CreateInsertNUWNSWBinOp(Instruction::Sub, LHS, RHS, Name,
+ HasNUW, HasNSW);
+ }
+ Value *CreateNSWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
+ return CreateSub(LHS, RHS, Name, false, true);
}
- Value *CreateFSub(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateNUWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
+ return CreateSub(LHS, RHS, Name, true, false);
+ }
+ Value *CreateFSub(Value *LHS, Value *RHS, const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateFSub(LC, RC);
+ return Insert(Folder.CreateFSub(LC, RC), Name);
return Insert(BinaryOperator::CreateFSub(LHS, RHS), Name);
}
- Value *CreateMul(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateMul(Value *LHS, Value *RHS, const Twine &Name = "",
+ bool HasNUW = false, bool HasNSW = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateMul(LC, RC);
- return Insert(BinaryOperator::CreateMul(LHS, RHS), Name);
+ return Insert(Folder.CreateMul(LC, RC), Name);
+ return CreateInsertNUWNSWBinOp(Instruction::Mul, LHS, RHS, Name,
+ HasNUW, HasNSW);
+ }
+ Value *CreateNSWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
+ return CreateMul(LHS, RHS, Name, false, true);
+ }
+ Value *CreateNUWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
+ return CreateMul(LHS, RHS, Name, true, false);
}
- Value *CreateFMul(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFMul(Value *LHS, Value *RHS, const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateFMul(LC, RC);
+ return Insert(Folder.CreateFMul(LC, RC), Name);
return Insert(BinaryOperator::CreateFMul(LHS, RHS), Name);
}
- Value *CreateUDiv(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateUDiv(Value *LHS, Value *RHS, const Twine &Name = "",
+ bool isExact = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateUDiv(LC, RC);
- return Insert(BinaryOperator::CreateUDiv(LHS, RHS), Name);
+ return Insert(Folder.CreateUDiv(LC, RC, isExact), Name);
+ if (!isExact)
+ return Insert(BinaryOperator::CreateUDiv(LHS, RHS), Name);
+ return Insert(BinaryOperator::CreateExactUDiv(LHS, RHS), Name);
}
- Value *CreateSDiv(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateExactUDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
+ return CreateUDiv(LHS, RHS, Name, true);
+ }
+ Value *CreateSDiv(Value *LHS, Value *RHS, const Twine &Name = "",
+ bool isExact = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateSDiv(LC, RC);
- return Insert(BinaryOperator::CreateSDiv(LHS, RHS), Name);
+ return Insert(Folder.CreateSDiv(LC, RC, isExact), Name);
+ if (!isExact)
+ return Insert(BinaryOperator::CreateSDiv(LHS, RHS), Name);
+ return Insert(BinaryOperator::CreateExactSDiv(LHS, RHS), Name);
+ }
+ Value *CreateExactSDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
+ return CreateSDiv(LHS, RHS, Name, true);
}
- Value *CreateFDiv(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateFDiv(LC, RC);
+ return Insert(Folder.CreateFDiv(LC, RC), Name);
return Insert(BinaryOperator::CreateFDiv(LHS, RHS), Name);
}
- Value *CreateURem(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateURem(Value *LHS, Value *RHS, const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateURem(LC, RC);
+ return Insert(Folder.CreateURem(LC, RC), Name);
return Insert(BinaryOperator::CreateURem(LHS, RHS), Name);
}
- Value *CreateSRem(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateSRem(Value *LHS, Value *RHS, const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateSRem(LC, RC);
+ return Insert(Folder.CreateSRem(LC, RC), Name);
return Insert(BinaryOperator::CreateSRem(LHS, RHS), Name);
}
- Value *CreateFRem(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFRem(Value *LHS, Value *RHS, const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateFRem(LC, RC);
+ return Insert(Folder.CreateFRem(LC, RC), Name);
return Insert(BinaryOperator::CreateFRem(LHS, RHS), Name);
}
- Value *CreateShl(Value *LHS, Value *RHS, const char *Name = "") {
+
+ Value *CreateShl(Value *LHS, Value *RHS, const Twine &Name = "",
+ bool HasNUW = false, bool HasNSW = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateShl(LC, RC);
- return Insert(BinaryOperator::CreateShl(LHS, RHS), Name);
+ return Insert(Folder.CreateShl(LC, RC, HasNUW, HasNSW), Name);
+ return CreateInsertNUWNSWBinOp(Instruction::Shl, LHS, RHS, Name,
+ HasNUW, HasNSW);
}
- Value *CreateLShr(Value *LHS, Value *RHS, const char *Name = "") {
- if (Constant *LC = dyn_cast<Constant>(LHS))
- if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateLShr(LC, RC);
- return Insert(BinaryOperator::CreateLShr(LHS, RHS), Name);
+ Value *CreateShl(Value *LHS, const APInt &RHS, const Twine &Name = "",
+ bool HasNUW = false, bool HasNSW = false) {
+ return CreateShl(LHS, ConstantInt::get(LHS->getType(), RHS), Name,
+ HasNUW, HasNSW);
+ }
+ Value *CreateShl(Value *LHS, uint64_t RHS, const Twine &Name = "",
+ bool HasNUW = false, bool HasNSW = false) {
+ return CreateShl(LHS, ConstantInt::get(LHS->getType(), RHS), Name,
+ HasNUW, HasNSW);
}
- Value *CreateAShr(Value *LHS, Value *RHS, const char *Name = "") {
+
+ Value *CreateLShr(Value *LHS, Value *RHS, const Twine &Name = "",
+ bool isExact = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateAShr(LC, RC);
- return Insert(BinaryOperator::CreateAShr(LHS, RHS), Name);
+ return Insert(Folder.CreateLShr(LC, RC, isExact), Name);
+ if (!isExact)
+ return Insert(BinaryOperator::CreateLShr(LHS, RHS), Name);
+ return Insert(BinaryOperator::CreateExactLShr(LHS, RHS), Name);
+ }
+ Value *CreateLShr(Value *LHS, const APInt &RHS, const Twine &Name = "",
+ bool isExact = false) {
+ return CreateLShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
}
- Value *CreateAnd(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateLShr(Value *LHS, uint64_t RHS, const Twine &Name = "",
+ bool isExact = false) {
+ return CreateLShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
+ }
+
+ Value *CreateAShr(Value *LHS, Value *RHS, const Twine &Name = "",
+ bool isExact = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateAnd(LC, RC);
+ return Insert(Folder.CreateAShr(LC, RC, isExact), Name);
+ if (!isExact)
+ return Insert(BinaryOperator::CreateAShr(LHS, RHS), Name);
+ return Insert(BinaryOperator::CreateExactAShr(LHS, RHS), Name);
+ }
+ Value *CreateAShr(Value *LHS, const APInt &RHS, const Twine &Name = "",
+ bool isExact = false) {
+ return CreateAShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
+ }
+ Value *CreateAShr(Value *LHS, uint64_t RHS, const Twine &Name = "",
+ bool isExact = false) {
+ return CreateAShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
+ }
+
+ Value *CreateAnd(Value *LHS, Value *RHS, const Twine &Name = "") {
+ if (Constant *RC = dyn_cast<Constant>(RHS)) {
+ if (isa<ConstantInt>(RC) && cast<ConstantInt>(RC)->isAllOnesValue())
+ return LHS; // LHS & -1 -> LHS
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ return Insert(Folder.CreateAnd(LC, RC), Name);
+ }
return Insert(BinaryOperator::CreateAnd(LHS, RHS), Name);
}
- Value *CreateOr(Value *LHS, Value *RHS, const char *Name = "") {
- if (Constant *LC = dyn_cast<Constant>(LHS))
- if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateOr(LC, RC);
+ Value *CreateAnd(Value *LHS, const APInt &RHS, const Twine &Name = "") {
+ return CreateAnd(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
+ }
+ Value *CreateAnd(Value *LHS, uint64_t RHS, const Twine &Name = "") {
+ return CreateAnd(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
+ }
+
+ Value *CreateOr(Value *LHS, Value *RHS, const Twine &Name = "") {
+ if (Constant *RC = dyn_cast<Constant>(RHS)) {
+ if (RC->isNullValue())
+ return LHS; // LHS | 0 -> LHS
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ return Insert(Folder.CreateOr(LC, RC), Name);
+ }
return Insert(BinaryOperator::CreateOr(LHS, RHS), Name);
}
- Value *CreateXor(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateOr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
+ return CreateOr(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
+ }
+ Value *CreateOr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
+ return CreateOr(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
+ }
+
+ Value *CreateXor(Value *LHS, Value *RHS, const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateXor(LC, RC);
+ return Insert(Folder.CreateXor(LC, RC), Name);
return Insert(BinaryOperator::CreateXor(LHS, RHS), Name);
}
+ Value *CreateXor(Value *LHS, const APInt &RHS, const Twine &Name = "") {
+ return CreateXor(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
+ }
+ Value *CreateXor(Value *LHS, uint64_t RHS, const Twine &Name = "") {
+ return CreateXor(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
+ }
Value *CreateBinOp(Instruction::BinaryOps Opc,
- Value *LHS, Value *RHS, const char *Name = "") {
+ Value *LHS, Value *RHS, const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateBinOp(Opc, LC, RC);
+ return Insert(Folder.CreateBinOp(Opc, LC, RC), Name);
return Insert(BinaryOperator::Create(Opc, LHS, RHS), Name);
}
- Value *CreateNeg(Value *V, const char *Name = "") {
+ Value *CreateNeg(Value *V, const Twine &Name = "",
+ bool HasNUW = false, bool HasNSW = false) {
if (Constant *VC = dyn_cast<Constant>(V))
- return Folder.CreateNeg(VC);
- return Insert(BinaryOperator::CreateNeg(Context, V), Name);
+ return Insert(Folder.CreateNeg(VC, HasNUW, HasNSW), Name);
+ BinaryOperator *BO = Insert(BinaryOperator::CreateNeg(V), Name);
+ if (HasNUW) BO->setHasNoUnsignedWrap();
+ if (HasNSW) BO->setHasNoSignedWrap();
+ return BO;
+ }
+ Value *CreateNSWNeg(Value *V, const Twine &Name = "") {
+ return CreateNeg(V, Name, false, true);
}
- Value *CreateFNeg(Value *V, const char *Name = "") {
+ Value *CreateNUWNeg(Value *V, const Twine &Name = "") {
+ return CreateNeg(V, Name, true, false);
+ }
+ Value *CreateFNeg(Value *V, const Twine &Name = "") {
if (Constant *VC = dyn_cast<Constant>(V))
- return Folder.CreateFNeg(VC);
- return Insert(BinaryOperator::CreateFNeg(Context, V), Name);
+ return Insert(Folder.CreateFNeg(VC), Name);
+ return Insert(BinaryOperator::CreateFNeg(V), Name);
}
- Value *CreateNot(Value *V, const char *Name = "") {
+ Value *CreateNot(Value *V, const Twine &Name = "") {
if (Constant *VC = dyn_cast<Constant>(V))
- return Folder.CreateNot(VC);
- return Insert(BinaryOperator::CreateNot(Context, V), Name);
+ return Insert(Folder.CreateNot(VC), Name);
+ return Insert(BinaryOperator::CreateNot(V), Name);
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Memory Instructions
//===--------------------------------------------------------------------===//
- MallocInst *CreateMalloc(const Type *Ty, Value *ArraySize = 0,
- const char *Name = "") {
- return Insert(new MallocInst(Ty, ArraySize), Name);
- }
- AllocaInst *CreateAlloca(const Type *Ty, Value *ArraySize = 0,
- const char *Name = "") {
+ AllocaInst *CreateAlloca(Type *Ty, Value *ArraySize = 0,
+ const Twine &Name = "") {
return Insert(new AllocaInst(Ty, ArraySize), Name);
}
- FreeInst *CreateFree(Value *Ptr) {
- return Insert(new FreeInst(Ptr));
+ // Provided to resolve 'CreateLoad(Ptr, "...")' correctly, instead of
+ // converting the string to 'bool' for the isVolatile parameter.
+ LoadInst *CreateLoad(Value *Ptr, const char *Name) {
+ return Insert(new LoadInst(Ptr), Name);
}
- LoadInst *CreateLoad(Value *Ptr, const char *Name = "") {
+ LoadInst *CreateLoad(Value *Ptr, const Twine &Name = "") {
return Insert(new LoadInst(Ptr), Name);
}
- LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const char *Name = "") {
+ LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const Twine &Name = "") {
return Insert(new LoadInst(Ptr, 0, isVolatile), Name);
}
StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) {
return Insert(new StoreInst(Val, Ptr, isVolatile));
}
- template<typename InputIterator>
- Value *CreateGEP(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd,
- const char *Name = "") {
+ FenceInst *CreateFence(AtomicOrdering Ordering,
+ SynchronizationScope SynchScope = CrossThread) {
+ return Insert(new FenceInst(Context, Ordering, SynchScope));
+ }
+ AtomicCmpXchgInst *CreateAtomicCmpXchg(Value *Ptr, Value *Cmp, Value *New,
+ AtomicOrdering Ordering,
+ SynchronizationScope SynchScope = CrossThread) {
+ return Insert(new AtomicCmpXchgInst(Ptr, Cmp, New, Ordering, SynchScope));
+ }
+ AtomicRMWInst *CreateAtomicRMW(AtomicRMWInst::BinOp Op, Value *Ptr, Value *Val,
+ AtomicOrdering Ordering,
+ SynchronizationScope SynchScope = CrossThread) {
+ return Insert(new AtomicRMWInst(Op, Ptr, Val, Ordering, SynchScope));
+ }
+ Value *CreateGEP(Value *Ptr, ArrayRef<Value *> IdxList,
+ const Twine &Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr)) {
// Every index must be constant.
- InputIterator i;
- for (i = IdxBegin; i < IdxEnd; ++i) {
- if (!dyn_cast<Constant>(*i))
+ size_t i, e;
+ for (i = 0, e = IdxList.size(); i != e; ++i)
+ if (!isa<Constant>(IdxList[i]))
break;
- }
- if (i == IdxEnd)
- return Folder.CreateGetElementPtr(PC, &IdxBegin[0], IdxEnd - IdxBegin);
+ if (i == e)
+ return Insert(Folder.CreateGetElementPtr(PC, IdxList), Name);
}
- return Insert(GetElementPtrInst::Create(Ptr, IdxBegin, IdxEnd), Name);
+ return Insert(GetElementPtrInst::Create(Ptr, IdxList), Name);
}
- Value *CreateGEP(Value *Ptr, Value *Idx, const char *Name = "") {
+ Value *CreateInBoundsGEP(Value *Ptr, ArrayRef<Value *> IdxList,
+ const Twine &Name = "") {
+ if (Constant *PC = dyn_cast<Constant>(Ptr)) {
+ // Every index must be constant.
+ size_t i, e;
+ for (i = 0, e = IdxList.size(); i != e; ++i)
+ if (!isa<Constant>(IdxList[i]))
+ break;
+ if (i == e)
+ return Insert(Folder.CreateInBoundsGetElementPtr(PC, IdxList), Name);
+ }
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, IdxList), Name);
+ }
+ Value *CreateGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr))
if (Constant *IC = dyn_cast<Constant>(Idx))
- return Folder.CreateGetElementPtr(PC, &IC, 1);
+ return Insert(Folder.CreateGetElementPtr(PC, IC), Name);
return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
}
- Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const char *Name = "") {
- Value *Idx = ConstantInt::get(Type::Int32Ty, Idx0);
+ Value *CreateInBoundsGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ if (Constant *IC = dyn_cast<Constant>(Idx))
+ return Insert(Folder.CreateInBoundsGetElementPtr(PC, IC), Name);
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idx), Name);
+ }
+ Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const Twine &Name = "") {
+ Value *Idx = ConstantInt::get(Type::getInt32Ty(Context), Idx0);
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Insert(Folder.CreateGetElementPtr(PC, Idx), Name);
+
+ return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
+ }
+ Value *CreateConstInBoundsGEP1_32(Value *Ptr, unsigned Idx0,
+ const Twine &Name = "") {
+ Value *Idx = ConstantInt::get(Type::getInt32Ty(Context), Idx0);
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Insert(Folder.CreateInBoundsGetElementPtr(PC, Idx), Name);
+
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idx), Name);
+ }
+ Value *CreateConstGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
+ const Twine &Name = "") {
+ Value *Idxs[] = {
+ ConstantInt::get(Type::getInt32Ty(Context), Idx0),
+ ConstantInt::get(Type::getInt32Ty(Context), Idx1)
+ };
if (Constant *PC = dyn_cast<Constant>(Ptr))
- return Folder.CreateGetElementPtr(PC, &Idx, 1);
+ return Insert(Folder.CreateGetElementPtr(PC, Idxs), Name);
- return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
+ return Insert(GetElementPtrInst::Create(Ptr, Idxs), Name);
}
- Value *CreateConstGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
- const char *Name = "") {
+ Value *CreateConstInBoundsGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
+ const Twine &Name = "") {
Value *Idxs[] = {
- ConstantInt::get(Type::Int32Ty, Idx0),
- ConstantInt::get(Type::Int32Ty, Idx1)
+ ConstantInt::get(Type::getInt32Ty(Context), Idx0),
+ ConstantInt::get(Type::getInt32Ty(Context), Idx1)
};
if (Constant *PC = dyn_cast<Constant>(Ptr))
- return Folder.CreateGetElementPtr(PC, Idxs, 2);
+ return Insert(Folder.CreateInBoundsGetElementPtr(PC, Idxs), Name);
- return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idxs), Name);
+ }
+ Value *CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const Twine &Name = "") {
+ Value *Idx = ConstantInt::get(Type::getInt64Ty(Context), Idx0);
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Insert(Folder.CreateGetElementPtr(PC, Idx), Name);
+
+ return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
}
- Value *CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const char *Name = "") {
- Value *Idx = ConstantInt::get(Type::Int64Ty, Idx0);
+ Value *CreateConstInBoundsGEP1_64(Value *Ptr, uint64_t Idx0,
+ const Twine &Name = "") {
+ Value *Idx = ConstantInt::get(Type::getInt64Ty(Context), Idx0);
if (Constant *PC = dyn_cast<Constant>(Ptr))
- return Folder.CreateGetElementPtr(PC, &Idx, 1);
+ return Insert(Folder.CreateInBoundsGetElementPtr(PC, Idx), Name);
- return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idx), Name);
}
- Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
- const char *Name = "") {
+ Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
+ const Twine &Name = "") {
Value *Idxs[] = {
- ConstantInt::get(Type::Int64Ty, Idx0),
- ConstantInt::get(Type::Int64Ty, Idx1)
+ ConstantInt::get(Type::getInt64Ty(Context), Idx0),
+ ConstantInt::get(Type::getInt64Ty(Context), Idx1)
};
if (Constant *PC = dyn_cast<Constant>(Ptr))
- return Folder.CreateGetElementPtr(PC, Idxs, 2);
-
- return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
- }
- Value *CreateStructGEP(Value *Ptr, unsigned Idx, const char *Name = "") {
- return CreateConstGEP2_32(Ptr, 0, Idx, Name);
- }
- Value *CreateGlobalString(const char *Str = "", const char *Name = "") {
- Constant *StrConstant = ConstantArray::get(Str, true);
- Module &M = *BB->getParent()->getParent();
- GlobalVariable *gv = new GlobalVariable(M,
- StrConstant->getType(),
- true,
- GlobalValue::InternalLinkage,
- StrConstant,
- "",
- 0,
- false);
- gv->setName(Name);
- return gv;
- }
- Value *CreateGlobalStringPtr(const char *Str = "", const char *Name = "") {
+ return Insert(Folder.CreateGetElementPtr(PC, Idxs), Name);
+
+ return Insert(GetElementPtrInst::Create(Ptr, Idxs), Name);
+ }
+ Value *CreateConstInBoundsGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
+ const Twine &Name = "") {
+ Value *Idxs[] = {
+ ConstantInt::get(Type::getInt64Ty(Context), Idx0),
+ ConstantInt::get(Type::getInt64Ty(Context), Idx1)
+ };
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Insert(Folder.CreateInBoundsGetElementPtr(PC, Idxs), Name);
+
+ return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idxs), Name);
+ }
+ Value *CreateStructGEP(Value *Ptr, unsigned Idx, const Twine &Name = "") {
+ return CreateConstInBoundsGEP2_32(Ptr, 0, Idx, Name);
+ }
+
+ /// CreateGlobalStringPtr - Same as CreateGlobalString, but return a pointer
+ /// with "i8*" type instead of a pointer to array of i8.
+ Value *CreateGlobalStringPtr(StringRef Str, const Twine &Name = "") {
Value *gv = CreateGlobalString(Str, Name);
- Value *zero = ConstantInt::get(Type::Int32Ty, 0);
+ Value *zero = ConstantInt::get(Type::getInt32Ty(Context), 0);
Value *Args[] = { zero, zero };
- return CreateGEP(gv, Args, Args+2, Name);
+ return CreateInBoundsGEP(gv, Args, Name);
}
+
//===--------------------------------------------------------------------===//
// Instruction creation methods: Cast/Conversion Operators
//===--------------------------------------------------------------------===//
- Value *CreateTrunc(Value *V, const Type *DestTy, const char *Name = "") {
+ Value *CreateTrunc(Value *V, Type *DestTy, const Twine &Name = "") {
return CreateCast(Instruction::Trunc, V, DestTy, Name);
}
- Value *CreateZExt(Value *V, const Type *DestTy, const char *Name = "") {
+ Value *CreateZExt(Value *V, Type *DestTy, const Twine &Name = "") {
return CreateCast(Instruction::ZExt, V, DestTy, Name);
}
- Value *CreateSExt(Value *V, const Type *DestTy, const char *Name = "") {
+ Value *CreateSExt(Value *V, Type *DestTy, const Twine &Name = "") {
return CreateCast(Instruction::SExt, V, DestTy, Name);
}
- Value *CreateFPToUI(Value *V, const Type *DestTy, const char *Name = ""){
+ Value *CreateFPToUI(Value *V, Type *DestTy, const Twine &Name = ""){
return CreateCast(Instruction::FPToUI, V, DestTy, Name);
}
- Value *CreateFPToSI(Value *V, const Type *DestTy, const char *Name = ""){
+ Value *CreateFPToSI(Value *V, Type *DestTy, const Twine &Name = ""){
return CreateCast(Instruction::FPToSI, V, DestTy, Name);
}
- Value *CreateUIToFP(Value *V, const Type *DestTy, const char *Name = ""){
+ Value *CreateUIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
return CreateCast(Instruction::UIToFP, V, DestTy, Name);
}
- Value *CreateSIToFP(Value *V, const Type *DestTy, const char *Name = ""){
+ Value *CreateSIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
return CreateCast(Instruction::SIToFP, V, DestTy, Name);
}
- Value *CreateFPTrunc(Value *V, const Type *DestTy,
- const char *Name = "") {
+ Value *CreateFPTrunc(Value *V, Type *DestTy,
+ const Twine &Name = "") {
return CreateCast(Instruction::FPTrunc, V, DestTy, Name);
}
- Value *CreateFPExt(Value *V, const Type *DestTy, const char *Name = "") {
+ Value *CreateFPExt(Value *V, Type *DestTy, const Twine &Name = "") {
return CreateCast(Instruction::FPExt, V, DestTy, Name);
}
- Value *CreatePtrToInt(Value *V, const Type *DestTy,
- const char *Name = "") {
+ Value *CreatePtrToInt(Value *V, Type *DestTy,
+ const Twine &Name = "") {
return CreateCast(Instruction::PtrToInt, V, DestTy, Name);
}
- Value *CreateIntToPtr(Value *V, const Type *DestTy,
- const char *Name = "") {
+ Value *CreateIntToPtr(Value *V, Type *DestTy,
+ const Twine &Name = "") {
return CreateCast(Instruction::IntToPtr, V, DestTy, Name);
}
- Value *CreateBitCast(Value *V, const Type *DestTy,
- const char *Name = "") {
+ Value *CreateBitCast(Value *V, Type *DestTy,
+ const Twine &Name = "") {
return CreateCast(Instruction::BitCast, V, DestTy, Name);
}
-
- Value *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy,
- const char *Name = "") {
+ Value *CreateZExtOrBitCast(Value *V, Type *DestTy,
+ const Twine &Name = "") {
if (V->getType() == DestTy)
return V;
if (Constant *VC = dyn_cast<Constant>(V))
- return Folder.CreateCast(Op, VC, DestTy);
+ return Insert(Folder.CreateZExtOrBitCast(VC, DestTy), Name);
+ return Insert(CastInst::CreateZExtOrBitCast(V, DestTy), Name);
+ }
+ Value *CreateSExtOrBitCast(Value *V, Type *DestTy,
+ const Twine &Name = "") {
+ if (V->getType() == DestTy)
+ return V;
+ if (Constant *VC = dyn_cast<Constant>(V))
+ return Insert(Folder.CreateSExtOrBitCast(VC, DestTy), Name);
+ return Insert(CastInst::CreateSExtOrBitCast(V, DestTy), Name);
+ }
+ Value *CreateTruncOrBitCast(Value *V, Type *DestTy,
+ const Twine &Name = "") {
+ if (V->getType() == DestTy)
+ return V;
+ if (Constant *VC = dyn_cast<Constant>(V))
+ return Insert(Folder.CreateTruncOrBitCast(VC, DestTy), Name);
+ return Insert(CastInst::CreateTruncOrBitCast(V, DestTy), Name);
+ }
+ Value *CreateCast(Instruction::CastOps Op, Value *V, Type *DestTy,
+ const Twine &Name = "") {
+ if (V->getType() == DestTy)
+ return V;
+ if (Constant *VC = dyn_cast<Constant>(V))
+ return Insert(Folder.CreateCast(Op, VC, DestTy), Name);
return Insert(CastInst::Create(Op, V, DestTy), Name);
}
- Value *CreateIntCast(Value *V, const Type *DestTy, bool isSigned,
- const char *Name = "") {
+ Value *CreatePointerCast(Value *V, Type *DestTy,
+ const Twine &Name = "") {
if (V->getType() == DestTy)
return V;
if (Constant *VC = dyn_cast<Constant>(V))
- return Folder.CreateIntCast(VC, DestTy, isSigned);
+ return Insert(Folder.CreatePointerCast(VC, DestTy), Name);
+ return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
+ }
+ Value *CreateIntCast(Value *V, Type *DestTy, bool isSigned,
+ const Twine &Name = "") {
+ if (V->getType() == DestTy)
+ return V;
+ if (Constant *VC = dyn_cast<Constant>(V))
+ return Insert(Folder.CreateIntCast(VC, DestTy, isSigned), Name);
return Insert(CastInst::CreateIntegerCast(V, DestTy, isSigned), Name);
}
+private:
+ // Provided to resolve 'CreateIntCast(Ptr, Ptr, "...")', giving a compile time
+ // error, instead of converting the string to bool for the isSigned parameter.
+ Value *CreateIntCast(Value *, Type *, const char *); // DO NOT IMPLEMENT
+public:
+ Value *CreateFPCast(Value *V, Type *DestTy, const Twine &Name = "") {
+ if (V->getType() == DestTy)
+ return V;
+ if (Constant *VC = dyn_cast<Constant>(V))
+ return Insert(Folder.CreateFPCast(VC, DestTy), Name);
+ return Insert(CastInst::CreateFPCast(V, DestTy), Name);
+ }
//===--------------------------------------------------------------------===//
// Instruction creation methods: Compare Instructions
//===--------------------------------------------------------------------===//
- Value *CreateICmpEQ(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_EQ, LHS, RHS, Name);
}
- Value *CreateICmpNE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpNE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_NE, LHS, RHS, Name);
}
- Value *CreateICmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpUGT(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_UGT, LHS, RHS, Name);
}
- Value *CreateICmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpUGE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_UGE, LHS, RHS, Name);
}
- Value *CreateICmpULT(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpULT(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_ULT, LHS, RHS, Name);
}
- Value *CreateICmpULE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpULE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_ULE, LHS, RHS, Name);
}
- Value *CreateICmpSGT(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpSGT(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_SGT, LHS, RHS, Name);
}
- Value *CreateICmpSGE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpSGE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_SGE, LHS, RHS, Name);
}
- Value *CreateICmpSLT(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpSLT(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_SLT, LHS, RHS, Name);
}
- Value *CreateICmpSLE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateICmpSLE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateICmp(ICmpInst::ICMP_SLE, LHS, RHS, Name);
}
- Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name);
}
- Value *CreateFCmpOGT(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpOGT(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name);
}
- Value *CreateFCmpOGE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpOGE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name);
}
- Value *CreateFCmpOLT(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpOLT(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name);
}
- Value *CreateFCmpOLE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpOLE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name);
}
- Value *CreateFCmpONE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpONE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name);
}
- Value *CreateFCmpORD(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpORD(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name);
}
- Value *CreateFCmpUNO(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpUNO(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name);
}
- Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name);
}
- Value *CreateFCmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpUGT(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name);
}
- Value *CreateFCmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpUGE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name);
}
- Value *CreateFCmpULT(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpULT(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name);
}
- Value *CreateFCmpULE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpULE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name);
}
- Value *CreateFCmpUNE(Value *LHS, Value *RHS, const char *Name = "") {
+ Value *CreateFCmpUNE(Value *LHS, Value *RHS, const Twine &Name = "") {
return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name);
}
Value *CreateICmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
- const char *Name = "") {
+ const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateICmp(P, LC, RC);
- return Insert(new ICmpInst(Context, P, LHS, RHS), Name);
+ return Insert(Folder.CreateICmp(P, LC, RC), Name);
+ return Insert(new ICmpInst(P, LHS, RHS), Name);
}
Value *CreateFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
- const char *Name = "") {
+ const Twine &Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateFCmp(P, LC, RC);
- return Insert(new FCmpInst(Context, P, LHS, RHS), Name);
+ return Insert(Folder.CreateFCmp(P, LC, RC), Name);
+ return Insert(new FCmpInst(P, LHS, RHS), Name);
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Other Instructions
//===--------------------------------------------------------------------===//
- PHINode *CreatePHI(const Type *Ty, const char *Name = "") {
- return Insert(PHINode::Create(Ty), Name);
+ PHINode *CreatePHI(Type *Ty, unsigned NumReservedValues,
+ const Twine &Name = "") {
+ return Insert(PHINode::Create(Ty, NumReservedValues), Name);
}
- CallInst *CreateCall(Value *Callee, const char *Name = "") {
+ CallInst *CreateCall(Value *Callee, const Twine &Name = "") {
return Insert(CallInst::Create(Callee), Name);
}
- CallInst *CreateCall(Value *Callee, Value *Arg, const char *Name = "") {
+ CallInst *CreateCall(Value *Callee, Value *Arg, const Twine &Name = "") {
return Insert(CallInst::Create(Callee, Arg), Name);
}
CallInst *CreateCall2(Value *Callee, Value *Arg1, Value *Arg2,
- const char *Name = "") {
+ const Twine &Name = "") {
Value *Args[] = { Arg1, Arg2 };
- return Insert(CallInst::Create(Callee, Args, Args+2), Name);
+ return Insert(CallInst::Create(Callee, Args), Name);
}
CallInst *CreateCall3(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
- const char *Name = "") {
+ const Twine &Name = "") {
Value *Args[] = { Arg1, Arg2, Arg3 };
- return Insert(CallInst::Create(Callee, Args, Args+3), Name);
+ return Insert(CallInst::Create(Callee, Args), Name);
}
CallInst *CreateCall4(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
- Value *Arg4, const char *Name = "") {
+ Value *Arg4, const Twine &Name = "") {
Value *Args[] = { Arg1, Arg2, Arg3, Arg4 };
- return Insert(CallInst::Create(Callee, Args, Args+4), Name);
+ return Insert(CallInst::Create(Callee, Args), Name);
+ }
+ CallInst *CreateCall5(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
+ Value *Arg4, Value *Arg5, const Twine &Name = "") {
+ Value *Args[] = { Arg1, Arg2, Arg3, Arg4, Arg5 };
+ return Insert(CallInst::Create(Callee, Args), Name);
}
- template<typename InputIterator>
- CallInst *CreateCall(Value *Callee, InputIterator ArgBegin,
- InputIterator ArgEnd, const char *Name = "") {
- return Insert(CallInst::Create(Callee, ArgBegin, ArgEnd), Name);
+ CallInst *CreateCall(Value *Callee, ArrayRef<Value *> Args,
+ const Twine &Name = "") {
+ return Insert(CallInst::Create(Callee, Args), Name);
}
Value *CreateSelect(Value *C, Value *True, Value *False,
- const char *Name = "") {
+ const Twine &Name = "") {
if (Constant *CC = dyn_cast<Constant>(C))
if (Constant *TC = dyn_cast<Constant>(True))
if (Constant *FC = dyn_cast<Constant>(False))
- return Folder.CreateSelect(CC, TC, FC);
+ return Insert(Folder.CreateSelect(CC, TC, FC), Name);
return Insert(SelectInst::Create(C, True, False), Name);
}
- VAArgInst *CreateVAArg(Value *List, const Type *Ty, const char *Name = "") {
+ VAArgInst *CreateVAArg(Value *List, Type *Ty, const Twine &Name = "") {
return Insert(new VAArgInst(List, Ty), Name);
}
Value *CreateExtractElement(Value *Vec, Value *Idx,
- const char *Name = "") {
+ const Twine &Name = "") {
if (Constant *VC = dyn_cast<Constant>(Vec))
if (Constant *IC = dyn_cast<Constant>(Idx))
- return Folder.CreateExtractElement(VC, IC);
+ return Insert(Folder.CreateExtractElement(VC, IC), Name);
return Insert(ExtractElementInst::Create(Vec, Idx), Name);
}
Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
- const char *Name = "") {
+ const Twine &Name = "") {
if (Constant *VC = dyn_cast<Constant>(Vec))
if (Constant *NC = dyn_cast<Constant>(NewElt))
if (Constant *IC = dyn_cast<Constant>(Idx))
- return Folder.CreateInsertElement(VC, NC, IC);
+ return Insert(Folder.CreateInsertElement(VC, NC, IC), Name);
return Insert(InsertElementInst::Create(Vec, NewElt, Idx), Name);
}
Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
- const char *Name = "") {
+ const Twine &Name = "") {
if (Constant *V1C = dyn_cast<Constant>(V1))
if (Constant *V2C = dyn_cast<Constant>(V2))
if (Constant *MC = dyn_cast<Constant>(Mask))
- return Folder.CreateShuffleVector(V1C, V2C, MC);
+ return Insert(Folder.CreateShuffleVector(V1C, V2C, MC), Name);
return Insert(new ShuffleVectorInst(V1, V2, Mask), Name);
}
- Value *CreateExtractValue(Value *Agg, unsigned Idx,
- const char *Name = "") {
- if (Constant *AggC = dyn_cast<Constant>(Agg))
- return Folder.CreateExtractValue(AggC, &Idx, 1);
- return Insert(ExtractValueInst::Create(Agg, Idx), Name);
- }
-
- template<typename InputIterator>
Value *CreateExtractValue(Value *Agg,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
- const char *Name = "") {
+ ArrayRef<unsigned> Idxs,
+ const Twine &Name = "") {
if (Constant *AggC = dyn_cast<Constant>(Agg))
- return Folder.CreateExtractValue(AggC, IdxBegin, IdxEnd - IdxBegin);
- return Insert(ExtractValueInst::Create(Agg, IdxBegin, IdxEnd), Name);
+ return Insert(Folder.CreateExtractValue(AggC, Idxs), Name);
+ return Insert(ExtractValueInst::Create(Agg, Idxs), Name);
}
- Value *CreateInsertValue(Value *Agg, Value *Val, unsigned Idx,
- const char *Name = "") {
+ Value *CreateInsertValue(Value *Agg, Value *Val,
+ ArrayRef<unsigned> Idxs,
+ const Twine &Name = "") {
if (Constant *AggC = dyn_cast<Constant>(Agg))
if (Constant *ValC = dyn_cast<Constant>(Val))
- return Folder.CreateInsertValue(AggC, ValC, &Idx, 1);
- return Insert(InsertValueInst::Create(Agg, Val, Idx), Name);
+ return Insert(Folder.CreateInsertValue(AggC, ValC, Idxs), Name);
+ return Insert(InsertValueInst::Create(Agg, Val, Idxs), Name);
}
- template<typename InputIterator>
- Value *CreateInsertValue(Value *Agg, Value *Val,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
- const char *Name = "") {
- if (Constant *AggC = dyn_cast<Constant>(Agg))
- if (Constant *ValC = dyn_cast<Constant>(Val))
- return Folder.CreateInsertValue(AggC, ValC,
- IdxBegin, IdxEnd - IdxBegin);
- return Insert(InsertValueInst::Create(Agg, Val, IdxBegin, IdxEnd), Name);
+ LandingPadInst *CreateLandingPad(Type *Ty, Value *PersFn, unsigned NumClauses,
+ const Twine &Name = "") {
+ return Insert(LandingPadInst::Create(Ty, PersFn, NumClauses, Name));
}
//===--------------------------------------------------------------------===//
//===--------------------------------------------------------------------===//
/// CreateIsNull - Return an i1 value testing if \arg Arg is null.
- Value *CreateIsNull(Value *Arg, const char *Name = "") {
- return CreateICmpEQ(Arg, Context.getNullValue(Arg->getType()),
+ Value *CreateIsNull(Value *Arg, const Twine &Name = "") {
+ return CreateICmpEQ(Arg, Constant::getNullValue(Arg->getType()),
Name);
}
/// CreateIsNotNull - Return an i1 value testing if \arg Arg is not null.
- Value *CreateIsNotNull(Value *Arg, const char *Name = "") {
- return CreateICmpNE(Arg, Context.getNullValue(Arg->getType()),
+ Value *CreateIsNotNull(Value *Arg, const Twine &Name = "") {
+ return CreateICmpNE(Arg, Constant::getNullValue(Arg->getType()),
Name);
}
/// CreatePtrDiff - Return the i64 difference between two pointer values,
/// dividing out the size of the pointed-to objects. This is intended to
- /// implement C-style pointer subtraction.
- Value *CreatePtrDiff(Value *LHS, Value *RHS, const char *Name = "") {
+ /// implement C-style pointer subtraction. As such, the pointers must be
+ /// appropriately aligned for their element types and pointing into the
+ /// same object.
+ Value *CreatePtrDiff(Value *LHS, Value *RHS, const Twine &Name = "") {
assert(LHS->getType() == RHS->getType() &&
"Pointer subtraction operand types must match!");
- const PointerType *ArgType = cast<PointerType>(LHS->getType());
- Value *LHS_int = CreatePtrToInt(LHS, Type::Int64Ty);
- Value *RHS_int = CreatePtrToInt(RHS, Type::Int64Ty);
+ PointerType *ArgType = cast<PointerType>(LHS->getType());
+ Value *LHS_int = CreatePtrToInt(LHS, Type::getInt64Ty(Context));
+ Value *RHS_int = CreatePtrToInt(RHS, Type::getInt64Ty(Context));
Value *Difference = CreateSub(LHS_int, RHS_int);
- return CreateSDiv(Difference,
- ConstantExpr::getSizeOf(ArgType->getElementType()),
- Name);
+ return CreateExactSDiv(Difference,
+ ConstantExpr::getSizeOf(ArgType->getElementType()),
+ Name);
}
};