//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_IRBUILDER_H
-#define LLVM_IRBUILDER_H
+#ifndef LLVM_IR_IRBUILDER_H
+#define LLVM_IR_IRBUILDER_H
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/ConstantFolder.h"
#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Operator.h"
-#include "llvm/Support/ConstantFolder.h"
+#include "llvm/IR/ValueHandle.h"
+#include "llvm/Support/CBindingWrapping.h"
namespace llvm {
- class MDNode;
+class MDNode;
-/// 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.
+/// \brief 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:
}
};
-/// IRBuilderBase - Common base class shared among various IRBuilders.
+/// \brief Common base class shared among various IRBuilders.
class IRBuilderBase {
DebugLoc CurDbgLocation;
protected:
BasicBlock *BB;
BasicBlock::iterator InsertPt;
LLVMContext &Context;
+
+ MDNode *DefaultFPMathTag;
+ FastMathFlags FMF;
public:
- IRBuilderBase(LLVMContext &context)
- : Context(context) {
+ IRBuilderBase(LLVMContext &context, MDNode *FPMathTag = nullptr)
+ : Context(context), DefaultFPMathTag(FPMathTag), FMF() {
ClearInsertionPoint();
}
// Builder configuration methods
//===--------------------------------------------------------------------===//
- /// ClearInsertionPoint - Clear the insertion point: created instructions will
- /// not be inserted into a block.
+ /// \brief Clear the insertion point: created instructions will not be
+ /// inserted into a block.
void ClearInsertionPoint() {
- BB = 0;
+ BB = nullptr;
+ InsertPt = nullptr;
}
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.
+ /// \brief This specifies that created instructions should be appended to the
+ /// end of the specified block.
void SetInsertPoint(BasicBlock *TheBB) {
BB = TheBB;
InsertPt = BB->end();
}
- /// SetInsertPoint - This specifies that created instructions should be
- /// inserted before the specified instruction.
+ /// \brief This specifies that created instructions should be inserted before
+ /// the specified instruction.
void SetInsertPoint(Instruction *I) {
BB = I->getParent();
InsertPt = I;
+ assert(I != BB->end() && "Can't read debug loc from end()");
SetCurrentDebugLocation(I->getDebugLoc());
}
- /// SetInsertPoint - This specifies that created instructions should be
- /// inserted at the specified point.
+ /// \brief This specifies that created instructions should be inserted at the
+ /// specified point.
void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP) {
BB = TheBB;
InsertPt = IP;
+ if (IP != TheBB->end())
+ SetCurrentDebugLocation(IP->getDebugLoc());
}
- /// 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;
- }
+ /// \brief Set location information used by debugging information.
+ void SetCurrentDebugLocation(DebugLoc L) { CurDbgLocation = std::move(L); }
- /// getCurrentDebugLocation - Get location information used by debugging
- /// information.
- DebugLoc getCurrentDebugLocation() const { return CurDbgLocation; }
+ /// \brief Get location information used by debugging information.
+ const DebugLoc &getCurrentDebugLocation() const { return CurDbgLocation; }
- /// SetInstDebugLocation - If this builder has a current debug location, set
- /// it on the specified instruction.
+ /// \brief If this builder has a current debug location, set it on the
+ /// specified instruction.
void SetInstDebugLocation(Instruction *I) const {
- if (!CurDbgLocation.isUnknown())
+ if (CurDbgLocation)
I->setDebugLoc(CurDbgLocation);
}
- /// getCurrentFunctionReturnType - Get the return type of the current function
- /// that we're emitting into.
+ /// \brief Get the return type of the current function that we're emitting
+ /// into.
Type *getCurrentFunctionReturnType() const;
/// InsertPoint - A saved insertion point.
BasicBlock::iterator Point;
public:
- /// Creates a new insertion point which doesn't point to anything.
- InsertPoint() : Block(0) {}
+ /// \brief Creates a new insertion point which doesn't point to anything.
+ InsertPoint() : Block(nullptr) {}
- /// Creates a new insertion point at the given location.
+ /// \brief 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); }
+ /// \brief Returns true if this insert point is set.
+ bool isSet() const { return (Block != nullptr); }
llvm::BasicBlock *getBlock() const { return Block; }
llvm::BasicBlock::iterator getPoint() const { return Point; }
};
- /// saveIP - Returns the current insert point.
+ /// \brief Returns the current insert point.
InsertPoint saveIP() const {
return InsertPoint(GetInsertBlock(), GetInsertPoint());
}
- /// saveAndClearIP - Returns the current insert point, clearing it
- /// in the process.
+ /// \brief 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.
+ /// \brief Sets the current insert point to a previously-saved location.
void restoreIP(InsertPoint IP) {
if (IP.isSet())
SetInsertPoint(IP.getBlock(), IP.getPoint());
ClearInsertionPoint();
}
+ /// \brief Get the floating point math metadata being used.
+ MDNode *getDefaultFPMathTag() const { return DefaultFPMathTag; }
+
+ /// \brief Get the flags to be applied to created floating point ops
+ FastMathFlags getFastMathFlags() const { return FMF; }
+
+ /// \brief Clear the fast-math flags.
+ void clearFastMathFlags() { FMF.clear(); }
+
+ /// \brief Set the floating point math metadata to be used.
+ void SetDefaultFPMathTag(MDNode *FPMathTag) { DefaultFPMathTag = FPMathTag; }
+
+ /// \brief Set the fast-math flags to be used with generated fp-math operators
+ void SetFastMathFlags(FastMathFlags NewFMF) { FMF = NewFMF; }
+
//===--------------------------------------------------------------------===//
- // Miscellaneous creation methods.
+ // RAII helpers.
//===--------------------------------------------------------------------===//
- /// 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 = "");
+ // \brief RAII object that stores the current insertion point and restores it
+ // when the object is destroyed. This includes the debug location.
+ class InsertPointGuard {
+ IRBuilderBase &Builder;
+ AssertingVH<BasicBlock> Block;
+ BasicBlock::iterator Point;
+ DebugLoc DbgLoc;
+
+ InsertPointGuard(const InsertPointGuard &) = delete;
+ InsertPointGuard &operator=(const InsertPointGuard &) = delete;
+
+ public:
+ InsertPointGuard(IRBuilderBase &B)
+ : Builder(B), Block(B.GetInsertBlock()), Point(B.GetInsertPoint()),
+ DbgLoc(B.getCurrentDebugLocation()) {}
+
+ ~InsertPointGuard() {
+ Builder.restoreIP(InsertPoint(Block, Point));
+ Builder.SetCurrentDebugLocation(DbgLoc);
+ }
+ };
+
+ // \brief RAII object that stores the current fast math settings and restores
+ // them when the object is destroyed.
+ class FastMathFlagGuard {
+ IRBuilderBase &Builder;
+ FastMathFlags FMF;
+ MDNode *FPMathTag;
+
+ FastMathFlagGuard(const FastMathFlagGuard &) = delete;
+ FastMathFlagGuard &operator=(
+ const FastMathFlagGuard &) = delete;
+
+ public:
+ FastMathFlagGuard(IRBuilderBase &B)
+ : Builder(B), FMF(B.FMF), FPMathTag(B.DefaultFPMathTag) {}
+
+ ~FastMathFlagGuard() {
+ Builder.FMF = FMF;
+ Builder.DefaultFPMathTag = FPMathTag;
+ }
+ };
+
+ //===--------------------------------------------------------------------===//
+ // Miscellaneous creation methods.
+ //===--------------------------------------------------------------------===//
- /// getInt1 - Get a constant value representing either true or false.
+ /// \brief Make a new global variable with initializer type i8*
+ ///
+ /// Make a new global variable with an initializer that has array of i8 type
+ /// filled in with the null 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.
+ GlobalVariable *CreateGlobalString(StringRef Str, const Twine &Name = "",
+ unsigned AddressSpace = 0);
+
+ /// \brief 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.
+ /// \brief Get the constant value for i1 true.
ConstantInt *getTrue() {
return ConstantInt::getTrue(Context);
}
- /// getFalse - Get the constant value for i1 false.
+ /// \brief Get the constant value for i1 false.
ConstantInt *getFalse() {
return ConstantInt::getFalse(Context);
}
- /// getInt8 - Get a constant 8-bit value.
+ /// \brief Get a constant 8-bit value.
ConstantInt *getInt8(uint8_t C) {
return ConstantInt::get(getInt8Ty(), C);
}
- /// getInt16 - Get a constant 16-bit value.
+ /// \brief Get a constant 16-bit value.
ConstantInt *getInt16(uint16_t C) {
return ConstantInt::get(getInt16Ty(), C);
}
- /// getInt32 - Get a constant 32-bit value.
+ /// \brief Get a constant 32-bit value.
ConstantInt *getInt32(uint32_t C) {
return ConstantInt::get(getInt32Ty(), C);
}
- /// getInt64 - Get a constant 64-bit value.
+ /// \brief Get a constant 64-bit value.
ConstantInt *getInt64(uint64_t C) {
return ConstantInt::get(getInt64Ty(), C);
}
- /// getInt - Get a constant integer value.
+ /// \brief Get a constant N-bit value, zero extended or truncated from
+ /// a 64-bit value.
+ ConstantInt *getIntN(unsigned N, uint64_t C) {
+ return ConstantInt::get(getIntNTy(N), C);
+ }
+
+ /// \brief 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
+ /// \brief Fetch the type representing a single bit
IntegerType *getInt1Ty() {
return Type::getInt1Ty(Context);
}
- /// getInt8Ty - Fetch the type representing an 8-bit integer.
+ /// \brief Fetch the type representing an 8-bit integer.
IntegerType *getInt8Ty() {
return Type::getInt8Ty(Context);
}
- /// getInt16Ty - Fetch the type representing a 16-bit integer.
+ /// \brief Fetch the type representing a 16-bit integer.
IntegerType *getInt16Ty() {
return Type::getInt16Ty(Context);
}
- /// getInt32Ty - Fetch the type representing a 32-bit integer.
+ /// \brief Fetch the type representing a 32-bit integer.
IntegerType *getInt32Ty() {
return Type::getInt32Ty(Context);
}
- /// getInt64Ty - Fetch the type representing a 64-bit integer.
+ /// \brief 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.
+ /// \brief Fetch the type representing a 128-bit integer.
+ IntegerType *getInt128Ty() {
+ return Type::getInt128Ty(Context);
+ }
+
+ /// \brief Fetch the type representing an N-bit integer.
+ IntegerType *getIntNTy(unsigned N) {
+ return Type::getIntNTy(Context, N);
+ }
+
+ /// \brief Fetch the type representing a 16-bit floating point value.
+ Type *getHalfTy() {
+ return Type::getHalfTy(Context);
+ }
+
+ /// \brief 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.
+ /// \brief Fetch the type representing a 64-bit floating point value.
Type *getDoubleTy() {
return Type::getDoubleTy(Context);
}
- /// getVoidTy - Fetch the type representing void.
+ /// \brief Fetch the type representing void.
Type *getVoidTy() {
return Type::getVoidTy(Context);
}
+ /// \brief Fetch the type representing a pointer to an 8-bit integer value.
PointerType *getInt8PtrTy(unsigned AddrSpace = 0) {
return Type::getInt8PtrTy(Context, AddrSpace);
}
- IntegerType* getIntPtrTy(DataLayout *DL, unsigned AddrSpace = 0) {
- return DL->getIntPtrType(Context, AddrSpace);
+ /// \brief Fetch the type representing a pointer to an integer value.
+ IntegerType *getIntPtrTy(const DataLayout &DL, unsigned AddrSpace = 0) {
+ return DL.getIntPtrType(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.
+ /// \brief 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. Likewise with alias.scope
+ /// and noalias tags.
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);
+ bool isVolatile = false, MDNode *TBAATag = nullptr,
+ MDNode *ScopeTag = nullptr,
+ MDNode *NoAliasTag = nullptr) {
+ return CreateMemSet(Ptr, Val, getInt64(Size), Align, isVolatile,
+ TBAATag, ScopeTag, NoAliasTag);
}
CallInst *CreateMemSet(Value *Ptr, Value *Val, Value *Size, unsigned Align,
- bool isVolatile = false, MDNode *TBAATag = 0);
+ bool isVolatile = false, MDNode *TBAATag = nullptr,
+ MDNode *ScopeTag = nullptr,
+ MDNode *NoAliasTag = nullptr);
- /// CreateMemCpy - Create and insert a memcpy between the specified pointers.
+ /// \brief 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.
+ /// specified, it will be added to the instruction. Likewise with alias.scope
+ /// and noalias tags.
CallInst *CreateMemCpy(Value *Dst, Value *Src, uint64_t Size, unsigned Align,
- bool isVolatile = false, MDNode *TBAATag = 0,
- MDNode *TBAAStructTag = 0) {
+ bool isVolatile = false, MDNode *TBAATag = nullptr,
+ MDNode *TBAAStructTag = nullptr,
+ MDNode *ScopeTag = nullptr,
+ MDNode *NoAliasTag = nullptr) {
return CreateMemCpy(Dst, Src, getInt64(Size), Align, isVolatile, TBAATag,
- TBAAStructTag);
+ TBAAStructTag, ScopeTag, NoAliasTag);
}
CallInst *CreateMemCpy(Value *Dst, Value *Src, Value *Size, unsigned Align,
- bool isVolatile = false, MDNode *TBAATag = 0,
- MDNode *TBAAStructTag = 0);
+ bool isVolatile = false, MDNode *TBAATag = nullptr,
+ MDNode *TBAAStructTag = nullptr,
+ MDNode *ScopeTag = nullptr,
+ MDNode *NoAliasTag = nullptr);
- /// 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.
+ /// \brief 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. Likewise with alias.scope
+ /// and noalias tags.
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);
+ bool isVolatile = false, MDNode *TBAATag = nullptr,
+ MDNode *ScopeTag = nullptr,
+ MDNode *NoAliasTag = nullptr) {
+ return CreateMemMove(Dst, Src, getInt64(Size), Align, isVolatile,
+ TBAATag, ScopeTag, NoAliasTag);
}
CallInst *CreateMemMove(Value *Dst, Value *Src, Value *Size, unsigned Align,
- bool isVolatile = false, MDNode *TBAATag = 0);
+ bool isVolatile = false, MDNode *TBAATag = nullptr,
+ MDNode *ScopeTag = nullptr,
+ MDNode *NoAliasTag = nullptr);
- /// CreateLifetimeStart - Create a lifetime.start intrinsic. If the pointer
- /// isn't i8* it will be converted.
- CallInst *CreateLifetimeStart(Value *Ptr, ConstantInt *Size = 0);
+ /// \brief Create a lifetime.start intrinsic.
+ ///
+ /// If the pointer isn't i8* it will be converted.
+ CallInst *CreateLifetimeStart(Value *Ptr, ConstantInt *Size = nullptr);
- /// CreateLifetimeEnd - Create a lifetime.end intrinsic. If the pointer isn't
- /// i8* it will be converted.
- CallInst *CreateLifetimeEnd(Value *Ptr, ConstantInt *Size = 0);
+ /// \brief Create a lifetime.end intrinsic.
+ ///
+ /// If the pointer isn't i8* it will be converted.
+ CallInst *CreateLifetimeEnd(Value *Ptr, ConstantInt *Size = nullptr);
+
+ /// \brief Create a call to Masked Load intrinsic
+ CallInst *CreateMaskedLoad(Value *Ptr, unsigned Align, Value *Mask,
+ Value *PassThru = 0, const Twine &Name = "");
+
+ /// \brief Create a call to Masked Store intrinsic
+ CallInst *CreateMaskedStore(Value *Val, Value *Ptr, unsigned Align,
+ Value *Mask);
+
+ /// \brief Create an assume intrinsic call that allows the optimizer to
+ /// assume that the provided condition will be true.
+ CallInst *CreateAssumption(Value *Cond);
+
+ /// \brief Create a call to the experimental.gc.statepoint intrinsic to
+ /// start a new statepoint sequence.
+ CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
+ Value *ActualCallee,
+ ArrayRef<Value *> CallArgs,
+ ArrayRef<Value *> DeoptArgs,
+ ArrayRef<Value *> GCArgs,
+ const Twine &Name = "");
+
+ // \brief Conveninence function for the common case when CallArgs are filled
+ // in using makeArrayRef(CS.arg_begin(), CS.arg_end()); Use needs to be
+ // .get()'ed to get the Value pointer.
+ CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
+ Value *ActualCallee, ArrayRef<Use> CallArgs,
+ ArrayRef<Value *> DeoptArgs,
+ ArrayRef<Value *> GCArgs,
+ const Twine &Name = "");
+
+ /// brief Create an invoke to the experimental.gc.statepoint intrinsic to
+ /// start a new statepoint sequence.
+ InvokeInst *
+ CreateGCStatepointInvoke(uint64_t ID, uint32_t NumPatchBytes,
+ Value *ActualInvokee, BasicBlock *NormalDest,
+ BasicBlock *UnwindDest, ArrayRef<Value *> InvokeArgs,
+ ArrayRef<Value *> DeoptArgs,
+ ArrayRef<Value *> GCArgs, const Twine &Name = "");
+
+ // Conveninence function for the common case when CallArgs are filled in using
+ // makeArrayRef(CS.arg_begin(), CS.arg_end()); Use needs to be .get()'ed to
+ // get the Value *.
+ InvokeInst *
+ CreateGCStatepointInvoke(uint64_t ID, uint32_t NumPatchBytes,
+ Value *ActualInvokee, BasicBlock *NormalDest,
+ BasicBlock *UnwindDest, ArrayRef<Use> InvokeArgs,
+ ArrayRef<Value *> DeoptArgs,
+ ArrayRef<Value *> GCArgs, const Twine &Name = "");
+
+ /// \brief Create a call to the experimental.gc.result intrinsic to extract
+ /// the result from a call wrapped in a statepoint.
+ CallInst *CreateGCResult(Instruction *Statepoint,
+ Type *ResultType,
+ const Twine &Name = "");
+
+ /// \brief Create a call to the experimental.gc.relocate intrinsics to
+ /// project the relocated value of one pointer from the statepoint.
+ CallInst *CreateGCRelocate(Instruction *Statepoint,
+ int BaseOffset,
+ int DerivedOffset,
+ Type *ResultType,
+ const Twine &Name = "");
private:
+ /// \brief Create a call to a masked intrinsic with given Id.
+ /// Masked intrinsic has only one overloaded type - data type.
+ CallInst *CreateMaskedIntrinsic(Intrinsic::ID Id, ArrayRef<Value *> Ops,
+ Type *DataTy, const Twine &Name = "");
+
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.
+/// \brief 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
/// 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
+/// minimally folded constants. The third 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;
- MDNode *DefaultFPMathTag;
- FastMathFlags FMF;
public:
- IRBuilder(LLVMContext &C, const T &F, const Inserter &I = Inserter(),
- MDNode *FPMathTag = 0)
- : IRBuilderBase(C), Inserter(I), Folder(F), DefaultFPMathTag(FPMathTag),
- FMF() {
- }
+ IRBuilder(LLVMContext &C, const T &F, Inserter I = Inserter(),
+ MDNode *FPMathTag = nullptr)
+ : IRBuilderBase(C, FPMathTag), Inserter(std::move(I)), Folder(F) {}
- explicit IRBuilder(LLVMContext &C, MDNode *FPMathTag = 0)
- : IRBuilderBase(C), Folder(), DefaultFPMathTag(FPMathTag), FMF() {
+ explicit IRBuilder(LLVMContext &C, MDNode *FPMathTag = nullptr)
+ : IRBuilderBase(C, FPMathTag), Folder() {
}
- explicit IRBuilder(BasicBlock *TheBB, const T &F, MDNode *FPMathTag = 0)
- : IRBuilderBase(TheBB->getContext()), Folder(F),
- DefaultFPMathTag(FPMathTag), FMF() {
+ explicit IRBuilder(BasicBlock *TheBB, const T &F, MDNode *FPMathTag = nullptr)
+ : IRBuilderBase(TheBB->getContext(), FPMathTag), Folder(F) {
SetInsertPoint(TheBB);
}
- explicit IRBuilder(BasicBlock *TheBB, MDNode *FPMathTag = 0)
- : IRBuilderBase(TheBB->getContext()), Folder(),
- DefaultFPMathTag(FPMathTag), FMF() {
+ explicit IRBuilder(BasicBlock *TheBB, MDNode *FPMathTag = nullptr)
+ : IRBuilderBase(TheBB->getContext(), FPMathTag), Folder() {
SetInsertPoint(TheBB);
}
- explicit IRBuilder(Instruction *IP, MDNode *FPMathTag = 0)
- : IRBuilderBase(IP->getContext()), Folder(), DefaultFPMathTag(FPMathTag),
- FMF() {
+ explicit IRBuilder(Instruction *IP, MDNode *FPMathTag = nullptr)
+ : IRBuilderBase(IP->getContext(), FPMathTag), Folder() {
SetInsertPoint(IP);
- SetCurrentDebugLocation(IP->getDebugLoc());
- }
-
- explicit IRBuilder(Use &U, MDNode *FPMathTag = 0)
- : IRBuilderBase(U->getContext()), Folder(), DefaultFPMathTag(FPMathTag),
- FMF() {
- SetInsertPoint(U);
- SetCurrentDebugLocation(cast<Instruction>(U.getUser())->getDebugLoc());
}
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F,
- MDNode *FPMathTag = 0)
- : IRBuilderBase(TheBB->getContext()), Folder(F),
- DefaultFPMathTag(FPMathTag), FMF() {
+ MDNode *FPMathTag = nullptr)
+ : IRBuilderBase(TheBB->getContext(), FPMathTag), Folder(F) {
SetInsertPoint(TheBB, IP);
}
- IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, MDNode *FPMathTag = 0)
- : IRBuilderBase(TheBB->getContext()), Folder(),
- DefaultFPMathTag(FPMathTag), FMF() {
+ IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP,
+ MDNode *FPMathTag = nullptr)
+ : IRBuilderBase(TheBB->getContext(), FPMathTag), Folder() {
SetInsertPoint(TheBB, IP);
}
- /// getFolder - Get the constant folder being used.
+ /// \brief Get the constant folder being used.
const T &getFolder() { return Folder; }
- /// getDefaultFPMathTag - Get the floating point math metadata being used.
- MDNode *getDefaultFPMathTag() const { return DefaultFPMathTag; }
-
- /// Get the flags to be applied to created floating point ops
- FastMathFlags getFastMathFlags() const { return FMF; }
-
- /// Clear the fast-math flags.
- void clearFastMathFlags() { FMF.clear(); }
-
- /// SetDefaultFPMathTag - Set the floating point math metadata to be used.
- void SetDefaultFPMathTag(MDNode *FPMathTag) { DefaultFPMathTag = FPMathTag; }
-
- /// Set the fast-math flags to be used with generated fp-math operators
- void SetFastMathFlags(FastMathFlags NewFMF) { FMF = NewFMF; }
-
- /// isNamePreserving - Return true if this builder is configured to actually
- /// add the requested names to IR created through it.
+ /// \brief 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.
+ /// \brief Insert and return the specified instruction.
template<typename InstTy>
InstTy *Insert(InstTy *I, const Twine &Name = "") const {
this->InsertHelper(I, Name, BB, InsertPt);
- if (!getCurrentDebugLocation().isUnknown())
- this->SetInstDebugLocation(I);
+ this->SetInstDebugLocation(I);
return I;
}
- /// Insert - No-op overload to handle constants.
+ /// \brief No-op overload to handle constants.
Constant *Insert(Constant *C, const Twine& = "") const {
return C;
}
}
public:
- /// CreateRetVoid - Create a 'ret void' instruction.
+ /// \brief Create a 'ret void' instruction.
ReturnInst *CreateRetVoid() {
return Insert(ReturnInst::Create(Context));
}
- /// @verbatim
- /// CreateRet - Create a 'ret <val>' instruction.
- /// @endverbatim
+ /// \brief Create a 'ret <val>' instruction.
ReturnInst *CreateRet(Value *V) {
return Insert(ReturnInst::Create(Context, V));
}
- /// CreateAggregateRet - Create a sequence of N insertvalue instructions,
+ /// \brief Create a sequence of N insertvalue instructions,
/// with one Value from the retVals array each, that build a aggregate
/// return value one value at a time, and a ret instruction to return
- /// the resulting aggregate value. This is a convenience function for
- /// code that uses aggregate return values as a vehicle for having
- /// multiple return values.
+ /// the resulting aggregate value.
///
+ /// This is a convenience function for code that uses aggregate return values
+ /// as a vehicle for having multiple return values.
ReturnInst *CreateAggregateRet(Value *const *retVals, unsigned N) {
Value *V = UndefValue::get(getCurrentFunctionReturnType());
for (unsigned i = 0; i != N; ++i)
return Insert(ReturnInst::Create(Context, V));
}
- /// CreateBr - Create an unconditional 'br label X' instruction.
+ /// \brief Create an unconditional 'br label X' instruction.
BranchInst *CreateBr(BasicBlock *Dest) {
return Insert(BranchInst::Create(Dest));
}
- /// CreateCondBr - Create a conditional 'br Cond, TrueDest, FalseDest'
+ /// \brief Create a conditional 'br Cond, TrueDest, FalseDest'
/// instruction.
BranchInst *CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False,
- MDNode *BranchWeights = 0) {
+ MDNode *BranchWeights = nullptr) {
return Insert(addBranchWeights(BranchInst::Create(True, False, Cond),
BranchWeights));
}
- /// CreateSwitch - Create a switch instruction with the specified value,
- /// default dest, and with a hint for the number of cases that will be added
- /// (for efficient allocation).
+ /// \brief Create a switch instruction with the specified value, default dest,
+ /// and with a hint for the number of cases that will be added (for efficient
+ /// allocation).
SwitchInst *CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases = 10,
- MDNode *BranchWeights = 0) {
+ MDNode *BranchWeights = nullptr) {
return Insert(addBranchWeights(SwitchInst::Create(V, Dest, NumCases),
BranchWeights));
}
- /// 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).
+ /// \brief 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, const Twine &Name = "") {
- return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest,
- ArrayRef<Value *>()),
+ return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, None),
Name);
}
InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args),
Name);
}
- /// CreateInvoke - Create an invoke instruction.
+ /// \brief Create an invoke instruction.
InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
BasicBlock *UnwindDest, ArrayRef<Value *> Args,
const Twine &Name = "") {
return Insert(ResumeInst::Create(Exn));
}
+ CleanupReturnInst *CreateCleanupRet(BasicBlock *UnwindBB = nullptr,
+ Value *RetVal = nullptr) {
+ return Insert(CleanupReturnInst::Create(Context, RetVal, UnwindBB));
+ }
+
+ CatchPadInst *CreateCatchPad(Type *Ty, BasicBlock *NormalDest,
+ BasicBlock *UnwindDest, ArrayRef<Value *> Args,
+ const Twine &Name = "") {
+ return Insert(CatchPadInst::Create(Ty, NormalDest, UnwindDest, Args), Name);
+ }
+
+ CatchEndPadInst *CreateCatchEndPad(BasicBlock *UnwindBB = nullptr) {
+ return Insert(CatchEndPadInst::Create(Context, UnwindBB));
+ }
+
+ TerminatePadInst *CreateTerminatePad(BasicBlock *UnwindBB = nullptr,
+ ArrayRef<Value *> Args = {},
+ const Twine &Name = "") {
+ return Insert(TerminatePadInst::Create(Context, UnwindBB, Args), Name);
+ }
+
+ CleanupPadInst *CreateCleanupPad(Type *Ty, ArrayRef<Value *> Args,
+ const Twine &Name = "") {
+ return Insert(CleanupPadInst::Create(Ty, Args), Name);
+ }
+
+ CatchReturnInst *CreateCatchRet(BasicBlock *BB) {
+ return Insert(CatchReturnInst::Create(BB));
+ }
+
UnreachableInst *CreateUnreachable() {
return Insert(new UnreachableInst(Context));
}
return CreateAdd(LHS, RHS, Name, true, false);
}
Value *CreateFAdd(Value *LHS, Value *RHS, const Twine &Name = "",
- MDNode *FPMathTag = 0) {
+ MDNode *FPMathTag = nullptr) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Insert(Folder.CreateFAdd(LC, RC), Name);
bool HasNUW = false, bool HasNSW = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Insert(Folder.CreateSub(LC, RC), Name);
+ return Insert(Folder.CreateSub(LC, RC, HasNUW, HasNSW), Name);
return CreateInsertNUWNSWBinOp(Instruction::Sub, LHS, RHS, Name,
HasNUW, HasNSW);
}
return CreateSub(LHS, RHS, Name, true, false);
}
Value *CreateFSub(Value *LHS, Value *RHS, const Twine &Name = "",
- MDNode *FPMathTag = 0) {
+ MDNode *FPMathTag = nullptr) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Insert(Folder.CreateFSub(LC, RC), Name);
bool HasNUW = false, bool HasNSW = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Insert(Folder.CreateMul(LC, RC), Name);
+ return Insert(Folder.CreateMul(LC, RC, HasNUW, HasNSW), Name);
return CreateInsertNUWNSWBinOp(Instruction::Mul, LHS, RHS, Name,
HasNUW, HasNSW);
}
return CreateMul(LHS, RHS, Name, true, false);
}
Value *CreateFMul(Value *LHS, Value *RHS, const Twine &Name = "",
- MDNode *FPMathTag = 0) {
+ MDNode *FPMathTag = nullptr) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Insert(Folder.CreateFMul(LC, RC), Name);
return CreateSDiv(LHS, RHS, Name, true);
}
Value *CreateFDiv(Value *LHS, Value *RHS, const Twine &Name = "",
- MDNode *FPMathTag = 0) {
+ MDNode *FPMathTag = nullptr) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Insert(Folder.CreateFDiv(LC, RC), Name);
return Insert(BinaryOperator::CreateSRem(LHS, RHS), Name);
}
Value *CreateFRem(Value *LHS, Value *RHS, const Twine &Name = "",
- MDNode *FPMathTag = 0) {
+ MDNode *FPMathTag = nullptr) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Insert(Folder.CreateFRem(LC, RC), Name);
}
Value *CreateBinOp(Instruction::BinaryOps Opc,
- Value *LHS, Value *RHS, const Twine &Name = "") {
+ Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Insert(Folder.CreateBinOp(Opc, LC, RC), Name);
- return Insert(BinaryOperator::Create(Opc, LHS, RHS), Name);
+ llvm::Instruction *BinOp = BinaryOperator::Create(Opc, LHS, RHS);
+ if (isa<FPMathOperator>(BinOp))
+ BinOp = AddFPMathAttributes(BinOp, FPMathTag, FMF);
+ return Insert(BinOp, Name);
}
Value *CreateNeg(Value *V, const Twine &Name = "",
Value *CreateNUWNeg(Value *V, const Twine &Name = "") {
return CreateNeg(V, Name, true, false);
}
- Value *CreateFNeg(Value *V, const Twine &Name = "", MDNode *FPMathTag = 0) {
+ Value *CreateFNeg(Value *V, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
if (Constant *VC = dyn_cast<Constant>(V))
return Insert(Folder.CreateFNeg(VC), Name);
return Insert(AddFPMathAttributes(BinaryOperator::CreateFNeg(V),
// Instruction creation methods: Memory Instructions
//===--------------------------------------------------------------------===//
- AllocaInst *CreateAlloca(Type *Ty, Value *ArraySize = 0,
+ AllocaInst *CreateAlloca(Type *Ty, Value *ArraySize = nullptr,
const Twine &Name = "") {
return Insert(new AllocaInst(Ty, ArraySize), Name);
}
- // Provided to resolve 'CreateLoad(Ptr, "...")' correctly, instead of
+ // \brief 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 Twine &Name = "") {
return Insert(new LoadInst(Ptr), Name);
}
+ LoadInst *CreateLoad(Type *Ty, Value *Ptr, const Twine &Name = "") {
+ return Insert(new LoadInst(Ty, Ptr), Name);
+ }
LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const Twine &Name = "") {
- return Insert(new LoadInst(Ptr, 0, isVolatile), Name);
+ return Insert(new LoadInst(Ptr, nullptr, isVolatile), Name);
}
StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) {
return Insert(new StoreInst(Val, Ptr, isVolatile));
}
- // Provided to resolve 'CreateAlignedLoad(Ptr, Align, "...")' correctly,
- // instead of converting the string to 'bool' for the isVolatile parameter.
+ // \brief Provided to resolve 'CreateAlignedLoad(Ptr, Align, "...")'
+ // correctly, instead of converting the string to 'bool' for the isVolatile
+ // parameter.
LoadInst *CreateAlignedLoad(Value *Ptr, unsigned Align, const char *Name) {
LoadInst *LI = CreateLoad(Ptr, Name);
LI->setAlignment(Align);
return SI;
}
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));
+ SynchronizationScope SynchScope = CrossThread,
+ const Twine &Name = "") {
+ return Insert(new FenceInst(Context, Ordering, SynchScope), Name);
+ }
+ AtomicCmpXchgInst *
+ CreateAtomicCmpXchg(Value *Ptr, Value *Cmp, Value *New,
+ AtomicOrdering SuccessOrdering,
+ AtomicOrdering FailureOrdering,
+ SynchronizationScope SynchScope = CrossThread) {
+ return Insert(new AtomicCmpXchgInst(Ptr, Cmp, New, SuccessOrdering,
+ FailureOrdering, SynchScope));
}
AtomicRMWInst *CreateAtomicRMW(AtomicRMWInst::BinOp Op, Value *Ptr, Value *Val,
AtomicOrdering Ordering,
}
Value *CreateGEP(Value *Ptr, ArrayRef<Value *> IdxList,
const Twine &Name = "") {
+ return CreateGEP(nullptr, Ptr, IdxList, Name);
+ }
+ Value *CreateGEP(Type *Ty, Value *Ptr, ArrayRef<Value *> IdxList,
+ const Twine &Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr)) {
// Every index must be constant.
size_t i, e;
if (!isa<Constant>(IdxList[i]))
break;
if (i == e)
- return Insert(Folder.CreateGetElementPtr(PC, IdxList), Name);
+ return Insert(Folder.CreateGetElementPtr(Ty, PC, IdxList), Name);
}
- return Insert(GetElementPtrInst::Create(Ptr, IdxList), Name);
+ return Insert(GetElementPtrInst::Create(Ty, Ptr, IdxList), Name);
}
Value *CreateInBoundsGEP(Value *Ptr, ArrayRef<Value *> IdxList,
const Twine &Name = "") {
+ return CreateInBoundsGEP(nullptr, Ptr, IdxList, Name);
+ }
+ Value *CreateInBoundsGEP(Type *Ty, Value *Ptr, ArrayRef<Value *> IdxList,
+ const Twine &Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr)) {
// Every index must be constant.
size_t i, e;
if (!isa<Constant>(IdxList[i]))
break;
if (i == e)
- return Insert(Folder.CreateInBoundsGetElementPtr(PC, IdxList), Name);
+ return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, IdxList),
+ Name);
}
- return Insert(GetElementPtrInst::CreateInBounds(Ptr, IdxList), Name);
+ return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, IdxList), Name);
}
Value *CreateGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
+ return CreateGEP(nullptr, Ptr, Idx, Name);
+ }
+ Value *CreateGEP(Type *Ty, Value *Ptr, Value *Idx, const Twine &Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr))
if (Constant *IC = dyn_cast<Constant>(Idx))
- return Insert(Folder.CreateGetElementPtr(PC, IC), Name);
- return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
+ return Insert(Folder.CreateGetElementPtr(Ty, PC, IC), Name);
+ return Insert(GetElementPtrInst::Create(Ty, Ptr, Idx), Name);
}
- Value *CreateInBoundsGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
+ Value *CreateInBoundsGEP(Type *Ty, 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);
+ return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, IC), Name);
+ return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idx), Name);
}
Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const Twine &Name = "") {
+ return CreateConstGEP1_32(nullptr, Ptr, Idx0, Name);
+ }
+ Value *CreateConstGEP1_32(Type *Ty, 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(Folder.CreateGetElementPtr(Ty, PC, Idx), Name);
- return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
+ return Insert(GetElementPtrInst::Create(Ty, Ptr, Idx), Name);
}
- Value *CreateConstInBoundsGEP1_32(Value *Ptr, unsigned Idx0,
+ Value *CreateConstInBoundsGEP1_32(Type *Ty, 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(Folder.CreateInBoundsGetElementPtr(Ty, PC, Idx), Name);
- return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idx), Name);
+ return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idx), Name);
}
- Value *CreateConstGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
- const Twine &Name = "") {
+ Value *CreateConstGEP2_32(Type *Ty, 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 Insert(Folder.CreateGetElementPtr(PC, Idxs), Name);
+ return Insert(Folder.CreateGetElementPtr(Ty, PC, Idxs), Name);
- return Insert(GetElementPtrInst::Create(Ptr, Idxs), Name);
+ return Insert(GetElementPtrInst::Create(Ty, Ptr, Idxs), Name);
}
- Value *CreateConstInBoundsGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
- const Twine &Name = "") {
+ Value *CreateConstInBoundsGEP2_32(Type *Ty, 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 Insert(Folder.CreateInBoundsGetElementPtr(PC, Idxs), Name);
+ return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, Idxs), Name);
- return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idxs), Name);
+ return Insert(GetElementPtrInst::CreateInBounds(Ty, 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(Folder.CreateGetElementPtr(nullptr, PC, Idx), Name);
- return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
+ return Insert(GetElementPtrInst::Create(nullptr, Ptr, Idx), Name);
}
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 Insert(Folder.CreateInBoundsGetElementPtr(PC, Idx), Name);
+ return Insert(Folder.CreateInBoundsGetElementPtr(nullptr, PC, Idx), Name);
- return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idx), Name);
+ return Insert(GetElementPtrInst::CreateInBounds(nullptr, Ptr, Idx), Name);
}
Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
const Twine &Name = "") {
};
if (Constant *PC = dyn_cast<Constant>(Ptr))
- return Insert(Folder.CreateGetElementPtr(PC, Idxs), Name);
+ return Insert(Folder.CreateGetElementPtr(nullptr, PC, Idxs), Name);
- return Insert(GetElementPtrInst::Create(Ptr, Idxs), Name);
+ return Insert(GetElementPtrInst::Create(nullptr, Ptr, Idxs), Name);
}
Value *CreateConstInBoundsGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
const Twine &Name = "") {
};
if (Constant *PC = dyn_cast<Constant>(Ptr))
- return Insert(Folder.CreateInBoundsGetElementPtr(PC, Idxs), Name);
+ return Insert(Folder.CreateInBoundsGetElementPtr(nullptr, PC, Idxs),
+ Name);
- return Insert(GetElementPtrInst::CreateInBounds(Ptr, Idxs), Name);
+ return Insert(GetElementPtrInst::CreateInBounds(nullptr, Ptr, Idxs), Name);
}
- Value *CreateStructGEP(Value *Ptr, unsigned Idx, const Twine &Name = "") {
- return CreateConstInBoundsGEP2_32(Ptr, 0, Idx, Name);
+ Value *CreateStructGEP(Type *Ty, Value *Ptr, unsigned Idx,
+ const Twine &Name = "") {
+ return CreateConstInBoundsGEP2_32(Ty, 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);
+ /// \brief 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 = "",
+ unsigned AddressSpace = 0) {
+ GlobalVariable *gv = CreateGlobalString(Str, Name, AddressSpace);
Value *zero = ConstantInt::get(Type::getInt32Ty(Context), 0);
Value *Args[] = { zero, zero };
- return CreateInBoundsGEP(gv, Args, Name);
+ return CreateInBoundsGEP(gv->getValueType(), gv, Args, Name);
}
//===--------------------------------------------------------------------===//
Value *CreateSExt(Value *V, Type *DestTy, const Twine &Name = "") {
return CreateCast(Instruction::SExt, V, DestTy, Name);
}
- /// CreateZExtOrTrunc - Create a ZExt or Trunc from the integer value V to
- /// DestTy. Return the value untouched if the type of V is already DestTy.
- Value *CreateZExtOrTrunc(Value *V, IntegerType *DestTy,
+ /// \brief Create a ZExt or Trunc from the integer value V to DestTy. Return
+ /// the value untouched if the type of V is already DestTy.
+ Value *CreateZExtOrTrunc(Value *V, Type *DestTy,
const Twine &Name = "") {
- assert(isa<IntegerType>(V->getType()) && "Can only zero extend integers!");
- IntegerType *IntTy = cast<IntegerType>(V->getType());
- if (IntTy->getBitWidth() < DestTy->getBitWidth())
+ assert(V->getType()->isIntOrIntVectorTy() &&
+ DestTy->isIntOrIntVectorTy() &&
+ "Can only zero extend/truncate integers!");
+ Type *VTy = V->getType();
+ if (VTy->getScalarSizeInBits() < DestTy->getScalarSizeInBits())
return CreateZExt(V, DestTy, Name);
- if (IntTy->getBitWidth() > DestTy->getBitWidth())
+ if (VTy->getScalarSizeInBits() > DestTy->getScalarSizeInBits())
return CreateTrunc(V, DestTy, Name);
return V;
}
- /// CreateSExtOrTrunc - Create a SExt or Trunc from the integer value V to
- /// DestTy. Return the value untouched if the type of V is already DestTy.
- Value *CreateSExtOrTrunc(Value *V, IntegerType *DestTy,
+ /// \brief Create a SExt or Trunc from the integer value V to DestTy. Return
+ /// the value untouched if the type of V is already DestTy.
+ Value *CreateSExtOrTrunc(Value *V, Type *DestTy,
const Twine &Name = "") {
- assert(isa<IntegerType>(V->getType()) && "Can only sign extend integers!");
- IntegerType *IntTy = cast<IntegerType>(V->getType());
- if (IntTy->getBitWidth() < DestTy->getBitWidth())
+ assert(V->getType()->isIntOrIntVectorTy() &&
+ DestTy->isIntOrIntVectorTy() &&
+ "Can only sign extend/truncate integers!");
+ Type *VTy = V->getType();
+ if (VTy->getScalarSizeInBits() < DestTy->getScalarSizeInBits())
return CreateSExt(V, DestTy, Name);
- if (IntTy->getBitWidth() > DestTy->getBitWidth())
+ if (VTy->getScalarSizeInBits() > DestTy->getScalarSizeInBits())
return CreateTrunc(V, DestTy, Name);
return V;
}
const Twine &Name = "") {
return CreateCast(Instruction::BitCast, V, DestTy, Name);
}
+ Value *CreateAddrSpaceCast(Value *V, Type *DestTy,
+ const Twine &Name = "") {
+ return CreateCast(Instruction::AddrSpaceCast, V, DestTy, Name);
+ }
Value *CreateZExtOrBitCast(Value *V, Type *DestTy,
const Twine &Name = "") {
if (V->getType() == DestTy)
return Insert(Folder.CreatePointerCast(VC, DestTy), Name);
return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
}
+
+ Value *CreatePointerBitCastOrAddrSpaceCast(Value *V, Type *DestTy,
+ const Twine &Name = "") {
+ if (V->getType() == DestTy)
+ return V;
+
+ if (Constant *VC = dyn_cast<Constant>(V)) {
+ return Insert(Folder.CreatePointerBitCastOrAddrSpaceCast(VC, DestTy),
+ Name);
+ }
+
+ return Insert(CastInst::CreatePointerBitCastOrAddrSpaceCast(V, DestTy),
+ Name);
+ }
+
Value *CreateIntCast(Value *V, Type *DestTy, bool isSigned,
const Twine &Name = "") {
if (V->getType() == DestTy)
return Insert(Folder.CreateIntCast(VC, DestTy, isSigned), Name);
return Insert(CastInst::CreateIntegerCast(V, DestTy, isSigned), Name);
}
+
+ Value *CreateBitOrPointerCast(Value *V, Type *DestTy,
+ const Twine &Name = "") {
+ if (V->getType() == DestTy)
+ return V;
+ if (V->getType()->isPointerTy() && DestTy->isIntegerTy())
+ return CreatePtrToInt(V, DestTy, Name);
+ if (V->getType()->isIntegerTy() && DestTy->isPointerTy())
+ return CreateIntToPtr(V, DestTy, Name);
+
+ return CreateBitCast(V, DestTy, 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 *) LLVM_DELETED_FUNCTION;
+ // \brief 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 *) = delete;
public:
Value *CreateFPCast(Value *V, Type *DestTy, const Twine &Name = "") {
if (V->getType() == DestTy)
return CreateICmp(ICmpInst::ICMP_SLE, LHS, RHS, Name);
}
- Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name);
+ Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpOGT(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name);
+ Value *CreateFCmpOGT(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpOGE(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name);
+ Value *CreateFCmpOGE(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpOLT(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name);
+ Value *CreateFCmpOLT(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpOLE(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name);
+ Value *CreateFCmpOLE(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpONE(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name);
+ Value *CreateFCmpONE(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpORD(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name);
+ Value *CreateFCmpORD(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpUNO(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name);
+ Value *CreateFCmpUNO(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name);
+ Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpUGT(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name);
+ Value *CreateFCmpUGT(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpUGE(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name);
+ Value *CreateFCmpUGE(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpULT(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name);
+ Value *CreateFCmpULT(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpULE(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name);
+ Value *CreateFCmpULE(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name, FPMathTag);
}
- Value *CreateFCmpUNE(Value *LHS, Value *RHS, const Twine &Name = "") {
- return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name);
+ Value *CreateFCmpUNE(Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = nullptr) {
+ return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name, FPMathTag);
}
Value *CreateICmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
return Insert(new ICmpInst(P, LHS, RHS), Name);
}
Value *CreateFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
- const Twine &Name = "") {
+ const Twine &Name = "", MDNode *FPMathTag = nullptr) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Insert(Folder.CreateFCmp(P, LC, RC), Name);
- return Insert(new FCmpInst(P, LHS, RHS), Name);
+ return Insert(AddFPMathAttributes(new FCmpInst(P, LHS, RHS),
+ FPMathTag, FMF), Name);
}
//===--------------------------------------------------------------------===//
return Insert(PHINode::Create(Ty, NumReservedValues), Name);
}
- CallInst *CreateCall(Value *Callee, const Twine &Name = "") {
- return Insert(CallInst::Create(Callee), 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 Twine &Name = "") {
- Value *Args[] = { Arg1, Arg2 };
- return Insert(CallInst::Create(Callee, Args), Name);
- }
- CallInst *CreateCall3(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
- const Twine &Name = "") {
- Value *Args[] = { Arg1, Arg2, Arg3 };
- return Insert(CallInst::Create(Callee, Args), Name);
- }
- CallInst *CreateCall4(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
- Value *Arg4, const Twine &Name = "") {
- Value *Args[] = { Arg1, Arg2, Arg3, Arg4 };
+ CallInst *CreateCall(Value *Callee, ArrayRef<Value *> Args = None,
+ const Twine &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);
+
+ CallInst *CreateCall(llvm::FunctionType *FTy, Value *Callee,
+ ArrayRef<Value *> Args, const Twine &Name = "") {
+ return Insert(CallInst::Create(FTy, Callee, Args), Name);
}
- CallInst *CreateCall(Value *Callee, ArrayRef<Value *> Args,
+ CallInst *CreateCall(Function *Callee, ArrayRef<Value *> Args,
const Twine &Name = "") {
- return Insert(CallInst::Create(Callee, Args), Name);
+ return CreateCall(Callee->getFunctionType(), Callee, Args, Name);
}
Value *CreateSelect(Value *C, Value *True, Value *False,
return Insert(ExtractElementInst::Create(Vec, Idx), Name);
}
+ Value *CreateExtractElement(Value *Vec, uint64_t Idx,
+ const Twine &Name = "") {
+ return CreateExtractElement(Vec, getInt64(Idx), Name);
+ }
+
Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
const Twine &Name = "") {
if (Constant *VC = dyn_cast<Constant>(Vec))
return Insert(InsertElementInst::Create(Vec, NewElt, Idx), Name);
}
+ Value *CreateInsertElement(Value *Vec, Value *NewElt, uint64_t Idx,
+ const Twine &Name = "") {
+ return CreateInsertElement(Vec, NewElt, getInt64(Idx), Name);
+ }
+
Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
const Twine &Name = "") {
if (Constant *V1C = dyn_cast<Constant>(V1))
return Insert(new ShuffleVectorInst(V1, V2, Mask), Name);
}
+ Value *CreateShuffleVector(Value *V1, Value *V2, ArrayRef<int> IntMask,
+ const Twine &Name = "") {
+ size_t MaskSize = IntMask.size();
+ SmallVector<Constant*, 8> MaskVec(MaskSize);
+ for (size_t i = 0; i != MaskSize; ++i)
+ MaskVec[i] = getInt32(IntMask[i]);
+ Value *Mask = ConstantVector::get(MaskVec);
+ return CreateShuffleVector(V1, V2, Mask, Name);
+ }
+
Value *CreateExtractValue(Value *Agg,
ArrayRef<unsigned> Idxs,
const Twine &Name = "") {
return Insert(InsertValueInst::Create(Agg, Val, Idxs), Name);
}
- LandingPadInst *CreateLandingPad(Type *Ty, Value *PersFn, unsigned NumClauses,
+ LandingPadInst *CreateLandingPad(Type *Ty, unsigned NumClauses,
const Twine &Name = "") {
- return Insert(LandingPadInst::Create(Ty, PersFn, NumClauses), Name);
+ return Insert(LandingPadInst::Create(Ty, NumClauses), Name);
}
//===--------------------------------------------------------------------===//
// Utility creation methods
//===--------------------------------------------------------------------===//
- /// CreateIsNull - Return an i1 value testing if \p Arg is null.
+ /// \brief Return an i1 value testing if \p Arg is null.
Value *CreateIsNull(Value *Arg, const Twine &Name = "") {
return CreateICmpEQ(Arg, Constant::getNullValue(Arg->getType()),
Name);
}
- /// CreateIsNotNull - Return an i1 value testing if \p Arg is not null.
+ /// \brief Return an i1 value testing if \p Arg is not null.
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. As such, the pointers must be
- /// appropriately aligned for their element types and pointing into the
- /// same object.
+ /// \brief 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. 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!");
Name);
}
- /// CreateVectorSplat - Return a vector value that contains \arg V broadcasted
- /// to \p NumElts elements.
+ /// \brief Return a vector value that contains \arg V broadcasted to \p
+ /// NumElts elements.
Value *CreateVectorSplat(unsigned NumElts, Value *V, const Twine &Name = "") {
assert(NumElts > 0 && "Cannot splat to an empty vector!");
Value *Zeros = ConstantAggregateZero::get(VectorType::get(I32Ty, NumElts));
return CreateShuffleVector(V, Undef, Zeros, Name + ".splat");
}
+
+ /// \brief Return a value that has been extracted from a larger integer type.
+ Value *CreateExtractInteger(const DataLayout &DL, Value *From,
+ IntegerType *ExtractedTy, uint64_t Offset,
+ const Twine &Name) {
+ IntegerType *IntTy = cast<IntegerType>(From->getType());
+ assert(DL.getTypeStoreSize(ExtractedTy) + Offset <=
+ DL.getTypeStoreSize(IntTy) &&
+ "Element extends past full value");
+ uint64_t ShAmt = 8 * Offset;
+ Value *V = From;
+ if (DL.isBigEndian())
+ ShAmt = 8 * (DL.getTypeStoreSize(IntTy) -
+ DL.getTypeStoreSize(ExtractedTy) - Offset);
+ if (ShAmt) {
+ V = CreateLShr(V, ShAmt, Name + ".shift");
+ }
+ assert(ExtractedTy->getBitWidth() <= IntTy->getBitWidth() &&
+ "Cannot extract to a larger integer!");
+ if (ExtractedTy != IntTy) {
+ V = CreateTrunc(V, ExtractedTy, Name + ".trunc");
+ }
+ return V;
+ }
+
+ /// \brief Create an assume intrinsic call that represents an alignment
+ /// assumption on the provided pointer.
+ ///
+ /// An optional offset can be provided, and if it is provided, the offset
+ /// must be subtracted from the provided pointer to get the pointer with the
+ /// specified alignment.
+ CallInst *CreateAlignmentAssumption(const DataLayout &DL, Value *PtrValue,
+ unsigned Alignment,
+ Value *OffsetValue = nullptr) {
+ assert(isa<PointerType>(PtrValue->getType()) &&
+ "trying to create an alignment assumption on a non-pointer?");
+
+ PointerType *PtrTy = cast<PointerType>(PtrValue->getType());
+ Type *IntPtrTy = getIntPtrTy(DL, PtrTy->getAddressSpace());
+ Value *PtrIntValue = CreatePtrToInt(PtrValue, IntPtrTy, "ptrint");
+
+ Value *Mask = ConstantInt::get(IntPtrTy,
+ Alignment > 0 ? Alignment - 1 : 0);
+ if (OffsetValue) {
+ bool IsOffsetZero = false;
+ if (ConstantInt *CI = dyn_cast<ConstantInt>(OffsetValue))
+ IsOffsetZero = CI->isZero();
+
+ if (!IsOffsetZero) {
+ if (OffsetValue->getType() != IntPtrTy)
+ OffsetValue = CreateIntCast(OffsetValue, IntPtrTy, /*isSigned*/ true,
+ "offsetcast");
+ PtrIntValue = CreateSub(PtrIntValue, OffsetValue, "offsetptr");
+ }
+ }
+
+ Value *Zero = ConstantInt::get(IntPtrTy, 0);
+ Value *MaskedPtr = CreateAnd(PtrIntValue, Mask, "maskedptr");
+ Value *InvCond = CreateICmpEQ(MaskedPtr, Zero, "maskcond");
+
+ return CreateAssumption(InvCond);
+ }
};
+// Create wrappers for C Binding types (see CBindingWrapping.h).
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(IRBuilder<>, LLVMBuilderRef)
+
}
#endif
projects / oota-llvm.git / blobdiff